Follow us on Twitter
twitter icon@FreshPatents


Diode patents

      

This page is updated frequently with new Diode-related patent applications.

Ac light emitting diode and ac led drive methods and apparatus
An led lighting system for use with ac voltage power source configured such that a driver, and led circuit is combined, the driver having an input of a first ac voltage and first frequency and an output of a second voltage and frequency delivered to the led circuit. Embodiments include the led circuit, driver and at least one capacitor mounted to a reflective substrate..

Circuitry and readout of hybrid bonded image sensors
A hybrid bonded image sensor has a photodiode die with macrocells having at least one photodiode and a bond contact; a supporting circuitry die with multiple supercells, each supercell having at least one macrocell unit bonded to the bond contact of a macrocell of the photodiode die. Each macrocell unit has a reset transistor adapted to reset photodiodes of the photodiode die macrocell.

Systems and methods for improved focus tracking using a hybrid mode light source
Systems and methods disclosed herein include an imaging system that may include a laser diode source; an objective lens positioned to direct a focus tracking beam from the light source onto a location in a sample container and to receive the focus tracking beam reflected from the sample; and an image sensor that may include a plurality of pixel locations to receive focus tracking beam that is reflected off of the location in the sample container, where the reflected focus tracking beam may create a spot on the image sensor. Some examples may further include a laser diode light source that may be operated at a power level that is above a power level for operation at an amplified spontaneous emission (“ase”) mode, but below a power level for single mode operation..

Communicating data link information using a light source
A device and a method for communicating data link information associated with a machine is provided. The device includes a light source comprising a light emitting diode (led).

Method and system for a distributed optoelectronic receiver
Methods and systems for a distributed optoelectronic receiver are disclosed and may include an optoelectronic receiver having a grating coupler, a splitter, a plurality of photodiodes, and a plurality of transimpedance amplifiers (tias). The receiver receives a modulated optical signal utilizing the grating coupler, splits the received signal into a plurality of optical signals, generates a plurality of electrical signals from the plurality of optical signals utilizing the plurality of photodiodes, communicates the plurality of electrical signals to the plurality of tias, amplifies the plurality of electrical signals utilizing the plurality of tias, and generates an output electrical signal from coupled outputs of the plurality of tias.

Driver interface methods and switch-mode power converters, switch-mode power amplifiers, and other switch-based circuits
A driver interface for a switch-based circuit includes an ac coupling capacitor, a first diode or a first series of diodes, and a second diode or a second series of diodes connected in series with the first diode or first series of diodes but with an opposing polarity. The ac coupling capacitor removes a dc voltage from an input bi-level drive signal that does not have the appropriate high and low drive levels needed to switch a fet in the switch-based circuit between fully on and fully off states.

Integrated bootstrap high-voltage driver chip and technological structure thereof
Parasitic high-voltage diodes implemented by integration technology in a high-voltage level shift circuit are used for charging a bootstrap capacitor cb, wherein a power supply end of the high voltage level shift circuit is a high-side floating power supply vb, and a reference ground is a floating voltage pgd that is controlled by a bootstrap control circuit. A first parasitic diode db1 and a second parasitic diode db2 are provided between the vb and the pgd.

Thermal rectifying antenna complex (trac)
A method and device to collect and convert thermal energy from the surrounding environments to produce usable electric power. The device includes a rectenna that is preferably a narrow bandwidth rectenna.

Drive system
A drive system shifts an inverter from a gate blocking state to a three phase-on state. When it is determined that electric current flows in a diode of an upper arm of the inverter by referring to a phase current of each phase of a motor, the drive system turns on a switching element of the upper arm and thereby shifts the inverter to an upper arm three phase-on state.

Power inverter and power inverting method
A power inverter includes a plurality of bridge arms and a plurality of switching circuits. The bridge arms are electrically coupled to a first and a second dc node and a neutral point node, and respectively coupled to a corresponding one of a plurality of ac output nodes to provide an ac output voltage and output current via the ac output node.

Step-up/down dc-dc converter

A switch controller performs first sleep operation, to which a transition from normal operation is made when a light load is detected, and second sleep operation, to which a transition is made after the first sleep operation. In the first sleep operation, a coil current is passed via a body diode of any of a plurality of transistors that is off to an input voltage side or to an output voltage side.

Laser driver

A laser driver is described which comprises a resonant circuit having an inductor and a dc blocking capacitor. A biasing voltage reference is operably coupled to the inductor.

Integrated pumplight homogenizer and signal injector for high-power laser system

A system includes a master oscillator configured to generate a low-power optical beam. The system also includes a planar waveguide (pwg) amplifier having one or more laser diode pump arrays, a planar waveguide, and a light pipe.

Dual-function optical bench and cooling manifold for high-power laser system

A system includes a laser system having a master oscillator and a planar waveguide (pwg) amplifier having one or more laser diode pump arrays, a pumphead, input optics, and output optics. The system also includes an optical bench and cooling manifold coupled to the pumphead.

Organic light emitting device

An organic light emitting diode includes: a first electrode including a concave part or a convex part; an organic light emitting layer disposed on the first electrode; and a second electrode disposed on the organic light emitting layer.. .

Organic light emitting diode device

Disclosed is an organic light emitting diode device including an anode and a cathode facing each other, an emission layer interposed between the anode and the cathode, and a first hole auxiliary layer interposed between the anode and the emission layer. The first hole auxiliary layer has a higher triplet energy (t1) than the emission layer..

Emissive devices for displays

Embodiments related to emissive devices for displays are discussed. Some embodiments include light emitting diodes including an electron transport layer core having a tube shape with an inner and an outer sidewall, an emission layer on the inner and outer sidewalls, and a hole transport layer on the emission layer, displays and systems including such light emitting diodes, and methods for fabricating them.

Organic light-emitting diode comprising electron transport layers with different matrix compounds

The present invention relates to an organic light-emitting diode comprising an emission layer and an electron transport layer stack of at least two electron transport layers, wherein a first electron transport layer and a second electron transport layer comprises at least one matrix compound, wherein—the matrix compound or compounds of the first electron transport layer is/are different to the matrix compound or compounds of the second electron transport layer; and in addition, —the first electron transport layer comprises a dopant of a lithium halide and/or lithium organic complex; and—the second electron transport layer is free of a dopant.. .

Light-emitting layer and preparation method, organic light emitting diode device and display apparatus

A method for preparing a light-emitting layer, the light-emitting layer, an organic light emitting diode (oled) device, and a display apparatus are provided. The light-emitting layer is prepared by preparing a host material containing a first photocrosslinker group and a guest material containing a second photocrosslinker group.

Heterocyclic compound and organic light emitting diode containing same

The present specification relates to a hetero-cyclic compound and an organic light emitting device including the same.. .

Fluoroalkylfluorene derivatives

Wherein s1, s2, d and b1 have meanings given in the description that are useful as charge transport and emissive materials for the fabrication of electronic devices such as diodes, transistors, and photovoltaic devices.. .

Light emitting device

Disclosed is a light emitting device. The light emitting device comprises: a first lead and a second lead which are spaced apart from each other; a body part comprising a base, a reflector, and a cavity; and a light emitting diode which is disposed in the cavity, wherein the first lead includes a first bottom lead and a first top lead located on the first bottom lead, and the second lead includes a second bottom lead and a second top lead located on the second bottom lead, and wherein a separation region between the first top lead and the second top lead has a different shape than the separation region between the first bottom lead and the second bottom lead, the separation region between the first top lead and the second top lead having a shape bent at least once..

Substrates for light emitting diodes and related methods

Light emitting diode (led) devices, components and systems are provided. Improved substrates for leds and led devices are provided, with one or more dielectric layers over a reflective layer sufficient to minimize or eliminate damage of the dielectric layer(s).

Light-emitting diode package

A light-emitting diode package comprising: a substrate having one or more first pads, one or more second pads, a first terminal, and a second terminal, which are all formed on the upper surface; a plurality of light-emitting diode chips loaded on the one or more first pads and electrically connected to the first pad and the second pad; and a reflector coupled to an upper part of the substrate and having an opening part through which the plurality of light-emitting diode chips is exposed, wherein the first pad is formed as one body with the substrate, and the first terminal or the second terminal are connected to an external power source and formed to have a predetermined height at the upper surface of the substrate.. .

Light emitting device

A light emitting device includes a carrier, at least one light emitting diode (led), a first filter layer and a first molding compound. The led is disposed on and electrically connected to the carrier.

Electrode pad structure of a light emitting diode

Provided is a light emitting diode (led) mounted on a carrier substrate and including a semiconductor epitaxial structure and at least one electrode pad structure. The semiconductor epitaxial structure is electrically connected to the carrier substrate.

Light emitting diode

A light emitting diode with a stacked structure, having a first region and a second region, wherein both regions comprise the following layers in the stated order, a carrier layer and an n-doped lower cladding layer and an electromagnetic radiation-generating active layer. The active layer comprises a quantum well structure and a p-doped upper cladding layer, and the first region additionally comprises a tunnel diode formed on the upper cladding layer from a p+-layer and an n+-layer, and an n-doped current distribution layer, wherein the current distribution layer and the n-doped contact layer are covered with a conductor track layer structure.

Light emitting diode

The invention provides an led including a first-type semiconductor layer, an emitting layer, a second-type semiconductor layer, a first electrode, a second electrode, a bragg reflector structure, a conductive layer and insulation patterns. The first electrode and the second electrode are located on the same side of the bragg reflector structure.

Light emitting diode

A light-emitting diode with a stacked structure, having a first region and a second region and a third region, wherein all three regions have a substrate and an n-doped lower cladding layer and an active layer generating electromagnetic radiation, wherein the active layer includes a quantum well structure, and a p-doped upper cladding layer, and the first region additionally has a tunnel diode formed on the upper cladding layer and composed of a p+ layer and an n+ layer, and an n-doped current distribution layer. The current distribution layer and the n-doped contact layer are covered with a conductive trace.

Ultraviolet light emitting device and manufacturing same

An ultraviolet light emitting device is disclosed. An ultraviolet light emitting device according to a first embodiment of the disclosed technology comprises: a substrate having a first surface and a second surface facing the first surface; and a light emitting diode comprising a first type semiconductor layer, an active layer which emits ultraviolet light, and a second type semiconductor layer, the light emitting diode being formed on the first surface of the substrate, wherein the surface area of the substrate divided by the light emitting area of the light emitting diode may be ≤6.5..

Ultra-wideband light emitting diode and optical detector comprising aluminum gallium arsenide and fabricating the same

Devices, systems, and methods for providing wireless personal area networks (pans) and local area networks (lans) using visible and near-visible optical spectrum. Various constructions and material selections are provided herein.

Photodetector cell and solar panel with dual metal contacts and related methods

A photodetector cell may include a substrate, and a first contact carried by the substrate and having a first work function value. The photodetector cell may include a second contact carried by the substrate and having a second work function value different from the first work function value, and a semiconductor wire carried by the substrate and having a third work function value between the first and second work function values.

High withstand voltage diode and power conversion device

It is an object of the present invention to provide a semiconductor device capable of adjusting a vf-erec trade-off characteristic without a life-time control and a power conversion device having the semiconductor device. A semiconductor device according to the present invention includes a p−-type anode layer including a donor impurity and an acceptor impurity.

Super junction mos bipolar transistor and process of manufacture

Methods and designs are provided for a vertical power semiconductor switch having an igbt-with-built-in-diode bottom-side structure combined with a sjmos topside structure in such a way as to provide fast switching with low switching losses (mosfet), low on-resistance at low currents (sjmos), low on-resistance at high currents (igbt), and high current-density capability (igbt).. .

Semiconductor device and an electronic device

A semiconductor device and an electronic device are improved in performances by supporting a large current. An emitter terminal protrudes from a first side of a sealing body, and signal terminals protrude from a second sides of the sealing body.

Solid-state imaging device, manufacturing a solid-state imaging device, and electronic apparatus

Provided is a solid-state imaging device including a lamination-type backside illumination cmos (complementary metal oxide semiconductor) image sensor having a global shutter function. The solid-state imaging device includes a separation film including one of a light blocking film and a light absorbing film between a memory and a photo diode..

Integrated photo detector, making the same

An integrated photo detector with enhanced electrostatic discharge damage (esd) protection. The integrated photo detector includes a first photodiode formed in the soi substrate and associated with a first p-electrode and a first n-electrode.

Light-emitting device with integrated light sensor

A light-emitting device including a substrate at least partially doped with a first type of conductivity and including a face; light-emitting diodes each including at least one three-dimensional semiconducting element which is undoped or doped with the first type of conductivity and resting on the said face; and semiconducting regions forming photodiodes, at least partially doped with a second type of conductivity opposite to the first type of conductivity and extending in the substrate from the said face between at least some of the three-dimensional semiconducting elements, a portion of the substrate of first type of conductivity extending up to the said face at the level of each three-dimensional semiconducting element.. .

Inorganic light emitting diode (iled) assembly via direct bonding

Embodiments relate to transferring dies or other electronic components from a carrier substrate to a target substrate of a device as part of chip assembly for the device. Bonding material is applied to selected dies on a carrier substrate by direct boning, or to corresponding die transfer locations on a target substrate.

High-powered magnetron

A high-powered magnetron according to one embodiment of the present invention comprises: a diode including a cathode and an anode; and a tuner unit for varying the electric field in the diode, wherein the tuner unit comprises a plurality of tuners.. .

Image sticking avoidance in organic light-emitting diode (oled) displays

Systems and methods for systems and methods for image sticking avoidance in organic light-emitting diode (oled) displays. In an illustrative, non-limiting embodiment, an information handling system (ihs) may include an oled screen and a controller coupled to the oled screen, where the controller is configured to: generate at least one current histogram matrix for a current frame; compare the at least one current histogram matrix against at least one previous histogram matrix generated for a previous frame; and enter a screen protection mode of operation in response to the comparison indicating that the at least one current histogram matrix is different from the at least one previous histogram matrix by an amount equal to or smaller than a threshold..

Differential amplitude detector

An example embodiment includes an idle state detection circuit. The idle state detection circuit includes a bias current loop, a rectifying circuit loop, a voltage translating loop, and a filter circuit.

Backlight unit and liquid crystal display device

A backlight unit has a light-guide plate and a light source optically coupled with the light-guide plate, with which light is input from a plane of the light-guide plate and white-light is output from the first principal plane of the light-guide plate. The light source has a plurality of blue light emitting diodes, red phosphor material excited by light from the blue light emitting diodes and emits red light, and a plurality of green semiconductor lasers having emission peaks at green light wavelengths.

Led lighting device with remote phosphor in-coupling structure for in-coupling light from light emitting diodes

A lighting device and method of forming the lighting device are provided. The lighting device includes a light guide, a lighting element having a light emitting diode (led), and an in-coupling structure.

Light emitting diode (led) test apparatus and manufacture

Embodiments relate to functional test methods useful for fabricating products containing light emitting diode (led) structures. In particular, led arrays are functionally tested by injecting current via a displacement current coupling device using a field plate comprising of an electrode and insulator placed in close proximity to the led array.

Electronic force dynamometer and control system

A force dynamometer includes at least one plate, a controller with a memory and at least one force sensing resistor that senses a force exerted on the one or more plates. The controller receives a signal indicating magnitude of the force and transmits a signal to at least one color variable light emitting diode (led) to change color of the color variable led in response to the force sensing resistor changing magnitude of the force signal transmitted to the controller.

Position-sensitive optoelectronic detector arrangement, and laser beam receiver using same

Position-sensitive light beam detector comprising photodiodes and at least two weighting networks, each of which includes a signal output and network nodes. According to the invention, a plurality of the network nodes of the first weighting network is provided for the photodiode terminal in such a way that each node of said plurality of nodes is connected to a node of the second weighting network via a photodiode..

Interferometry with pulse broadened diode laser

Various optical systems equipped with diode laser light sources are discussed in the present application. One example system includes a diode laser light source for providing a beam of radiation.

Optical thermal profile

Systems and methods thermal management of a directed energy weapon are provided. The system may include a controller module executable by a processor to determine a planned energy emission from a light-emitting diode (led) of the directed energy weapon.

Triple wavelength pointing device

This application discloses systems and methods of a laser device which could be used to aim firearms. The device includes a laser diode capable of emitting two or more different wavelengths of light to form a laser using a collimator, for example a single collimator or a compound collimator.

Lighting device and cooking appliance including lighting device

A lighting device and a cooking appliance including a lighting device are disclosed herein. The lighting device may include a light source installed outside a cavity where a through hole is formed, the light source including a light emitting diode (led), a light tube installed outside the cavity to be connected to the light source and receiving light emitted from the led via a light incidence surface that diffuses the light in an area where the through hole is formed, a transmissive cover installed on the cavity to cover the through hole to transmit the light diffused in the light tube toward inside of the cavity, and a supporter installed outside the cavity to support the light source such that it is spaced apart from the cavity..

Hard-pressed glass light emitting diode flood lamp

In various embodiments, a light emitting diode (led) lamp is provided. The led lamp may include a base; a first housing having a first end and a second end, the first end secured to the base; a second housing having at least in part a partially conical shape, an end of the second housing having a smaller diameter secured to the second end of the first housing; at least one led secured within the second; driver circuitry secured within the led flood lamp between the end of the base and the at least one led; a reflector having a partially conical shape; and a diffuser element secured to at least one of a wider end of the reflector or the end of the second housing having the larger diameter.

Heat dissipation device for led lamp

Heat dissipation devices for a light emitting diode (led) lamp are presented including: a base; a number of heat conducting fins vertically stacked and mechanically coupled with the base, where the heat conducting fins radiate outward from the base; and an led module mechanically coupled with the base. In some embodiments, the base further includes a thermal conductive grease for maximizing heat transfer between the base on the led socket.

Light source module and lighting device having same

An embodiment discloses a light source module. The disclosed light source module includes: a circuit board; and a plurality of light emitting diodes arranged on the circuit board, wherein the plurality of light emitting diodes include a plurality of first light emitting diodes connected to a power input terminal, and a plurality of second light emitting diodes connected to output ends of the plurality of first light emitting diodes, wherein the plurality of first light emitting diodes are spaced apart from each other, and at least two of the plurality of second light emitting diodes are disposed between the first light emitting diodes, respectively..

Heat dissipation device for led lamp

Heat dissipation devices for a light emitting diode (led) lamp are presented including: a base; a number of heat conducting fins vertically stacked and mechanically coupled with the base, where the heat conducting fins radiate outward from the base; and an led module mechanically coupled with the base. In some embodiments, the base further includes a thermal conductive grease for maximizing heat transfer between the base on the led socket.

Heat dissipation device for led lamp

Heat dissipation devices for a light emitting diode (led) lamp are presented including: a base; a number of heat conducting fins vertically stacked and mechanically coupled with the base, where the heat conducting fins radiate outward from the base; and an led module mechanically coupled with the base. In some embodiments, the base further includes a thermal conductive grease for maximizing heat transfer between the base on the led socket.

Light emitting diode driver circuit compatible with ballast

An led driver circuit compatible with a ballast includes an input circuit, a rectifier and filter circuit, a dc/dc converter circuit, an output circuit, and an led load circuit, which are sequentially coupled. The input circuit includes buffer capacitors cx1, cx2, and cx3; bleeder resistor strings rx1, rx2, and rx3; and insurance resistors f1, f2, and f3.

Passive diode-like device for fluids

The present invention is directed to an improved fluid diode using topology optimization with finite element method (fem). Topology optimization as a flexible optimization method has been extended to the fluid field.

Solar jar lid

A solar jar lid having a solar unit and having a support housing that supports the solar unit, and wherein the solar unit has a light emitting diode. The support housing has an internal thread such that it can be threaded to ajar and defines an opening for receiving a straw.

Increased spatial resolution for photon-counting edge-on x-ray detectors

There is provided a method and an arrangement for determining a position of interaction of a photon in an individual detector diode of a photon-counting x-ray detector. The method includes determining the position of interaction in the detector diode based on pulse characteristics of a pulse generated by the individual detector diode in response to the photon interaction..

Methods and systems for controlling an electrical load

An electronic dimming ballast or light emitting diode (led) driver for driving a gas discharge lamp or led lamp may be operable to control the lamp to avoid flickering and flashing of the lamp during low temperature or low mercury conditions. Such a ballast or driver may include a control circuit that is operable to adjust the intensity of the lamp.
Lutron Electronics Co., Inc.

Configurable lighting system

Apparatus, systems, and methods for controlling light output in a lighting system based on defined light profiles are provided. In one example implementation, a light fixture can include a first light emitting diode (led) array having one or more led light sources and a second led array having one or more led light sources.
Hubbell Incorporated

High ambient temperature led luminaire with thermal compensation circuitry

The present disclosure provides a method for powering a light fixture to provide a constant light output. In one embodiment, the method includes providing a current to one or more light emitting diodes (leds), monitoring an external ambient temperature and increasing the current to the one or more leds as the external ambient temperature rises to maintain the constant light output..
Dialight Corporation

Driver circuit for automatic detection and synchronization of dynamic loads

An example method for preventing overcurrent in light-emitting diode (led) chains comprises deactivating a current regulation control loop connected to a plurality of led chains; regulating, via a voltage regulation control loop, a forward voltage of the plurality of led chains; upon determining that a forward voltage of the plurality of led chains is equal to a target operating voltage for a subset of the plurality of led chains, bypassing at least one of the plurality of led chains such that only the subset of the plurality of led chains is connected to the current regulation control loop; and upon determining that an output current of the subset of the plurality of led chains is equal to a target operating current for the subset of the plurality of led chains: deactivating the voltage regulation control loop; and activating the current regulation control loop.. .
Infineon Technologies Ag

Method and multi-phase dc-dc converters using coupled inductors in discontinuous conduction mode

A converter includes first and second coupled inductors. A first phase includes first high side and low side switches connected to the first inductor.
Maxim Integrated Products, Inc.

Power feeding system, power receiving device, and power feeding method

A power feeding system includes a power feeding device and a power receiving device. The power receiving device includes: a resonant circuit including a receiving coil, a resonant capacitor configured to resonate with the receiving coil, and a resonance control transistor configured to control a resonant state by changing an electrical connection state of the resonant capacitor; a rectifying diode configured to rectify received power by the receiving coil; and a resonance control unit configured to set the resonance control transistor to a non-conductive state based on the received power and power consumption of the load during a period including a subsequent conducting period during which a current flows to the rectifying diode, and which is estimated in a resonant state of the resonant circuit..
Ablic Inc.

Method to protect sensitive devices from electrostatic discharge damage

Esd protection circuitry that includes one, or more, of the following features, characteristics and/or advantages: (i) use of different “diode types” (for example, schottky type, pn type, p-type diode-connected field-effect transistor (fet) type, nfet type)) in a series-connected diode set (connected in series with respect to a device-under-protection) and a parallel-connected diode set (connected in parallel with respect to a device-under-protection and the series-connected diode set); (ii) a fet is connected in series with a target device such that the fet's gate can be turned on during normal operation and the fet's gate is resistively coupled to the fet's source; and/or (iii) two fets are connected in series with a target device such both fets gates can be turned on during normal operation, one fet's gate is resistively coupled to its source, and the other fet's gate is electrically coupled to its drain.. .
Globalfoundries Inc.

Light control device, control method, program and storage medium

A lidar unit includes: an ld driver, a laser diode, and a scanner corresponding to an emission unit; a photo detector, a current/voltage conversion circuit, a a/d converter and an valuable segmenter that correspond to a light receiving unit; a landmark position prediction unit and landmark map acquisition unit that acquire position information indicating the position of a landmark on a map; and a synchronization controller that generates a valuable pulse trigger signal and a segment extraction signal. Based on a predicted current vehicle position value and the position of the landmark on the map, the landmark position prediction unit determines a predicted angular range of the landmark.
Pioneer Corporation

Liquid cooled laser bar arrays incorporating thermal expansion matched materials

A laser diode array having a plurality of diode bars bonded by a hard solder to expansion matched spacers and mounted on a gas or liquid cooled heatsink. The spacers are formed of an aluminum/diamond composite, a silver/diamond composite or a silver/aluminum alloy/diamond composite material having a thermal expansion that closely matches that of the laser bars..
Lasertel, Inc.

Novel super-continuous spectrum light source system possessing same-phase high-power single-wavelength semiconductor lasers

A novel broadband light source composed of supercontinuum light source and high-power single-wavelength semiconductor laser diodes. It includes an electronics control board, a supercontinuum light source, and a series of single-wavelength semiconductor laser diodes.
Wuhan Yangtze Soton Laser Co. Ltd.

Organic light emitting diode display panel, display apparatus having the same, and fabricating method thereof

The present application discloses an organic light emitting diode display panel, a display apparatus having the same, and a fabricating method thereof. The organic light emitting diode display panel has a plurality of pixels, each of which includes a subpixel region and an inter-subpixel region.
Boe Technology Group Co., Ltd.

Organic light emitting diode, display panel and display apparatus having the same, and fabricating method thereof

The present application discloses an organic light emitting diode including a light emitting layer; a first electron transport layer including a first electron transport material on the light emitting layer; a hole scavenger layer including a hole scavenger material on a side of the first electron transport layer distal to the light emitting layer; and a second electron transport layer including a second electron transport material on a side of the hole scavenger layer distal to the first electron transport layer. The hole scavenger material includes a first light emitting material capable of converting excitons generated by excess holes in the first or second electron transport layer to a ground state through radiative decay..
Hefei Xinsheng Optoelectronics Technology Co., Ltd .

Buffer assisted charge generation layer for tandem oleds

A tandem organic light emitting diode (oled) apparatus and method of fabricating the same, where the tandem oled apparatus includes a buffer assisted charge generation layer having a junction of a p-type doped semiconductor layer and an n-type doped semiconductor layer, where a hole buffer layer and an electron buffer layer pair surrounding the junction of the p-type and n-type doped semiconductor layers. The oled apparatus further includes a first oled emissive layer and a second oled emissive layer pair surrounding the buffer assisted charge generation layer, and a cathode and anode layer pair further surrounding the first and second oled emissive layer pair..
Emagin Corporation

Light emitting device package

Embodiments relate to a light emitting device package having an improved luminous flux, and the light emitting device package includes a body including a cavity, a first lead frame and a second lead frame exposed on a bottom surface of the cavity and separate from each other by an electrode separating member, a first light emitting device disposed on the first lead frame, a second light emitting device disposed on the second lead frame, and a zener diode disposed on the first lead frame or the second lead frame, and disposed more closely to the electrode separating member than to the first light emitting device and the second light emitting device. Here, the electrode separating member diagonally separate the first lead frame and the second lead frame along a width direction of the body..
Lg Innotek Co., Ltd.

Light emitting diode component

The present invention relates to a light emitting diode component, comprising a light emitting semiconductor structure having a top surface, and a micro-optical multilayer structure arranged to guide light out from said light emitting semiconductor structure, said micro-optical multilayer structure comprising a plurality of layers, wherein an i+1:th layer is arranged on top an i:th layer in a sequence as seen from said semiconductor structure, wherein a refractive index, ni, of the i:th layer is greater than a refractive index, ni+l, of the i+1:th layer, and wherein a thickness of the i+1:th layer is greater than a thickness of the i:th layer. The present invention also relates to a light emitting diode comprising such a light emitting diode component..
Koninklijke Philips N.v.

Converter plate for producing polychromatic light

A converter plate includes an array of optical fibers arranged axially parallel to each other. The optical fibers have optical properties selected to convert light from a light-emitting diode entering the optical fibers from one end of the array of optical fibers to light of a different wavelength exiting the fibers from another end of the array of optical fibers.
Anatoly Glass, Llc.

Light-emitting device having a built-in light sensor

A light-emitting device including a substrate at least partially doped with a first conductivity type and including a first surface and light-emitting diodes, each diode including at least one three-dimensional semiconductor element, which is or is not doped with the first conductivity type. The semiconductor elements rest on a continuous first portion of the first surface and at least one semiconductor region that forms a photodiode that is at least partially doped with a second conductivity type which is opposite the first conductivity type, and extends into the substrate from a second portion of the first surface that is separate from the first portion..
Aledia

Light emitting diode chip

A light emitting diode chip including a substrate and a light emitting diode element layer is provided. The substrate has a growth surface and a plurality of microstructures on the growth surface.
Southern Taiwan University Of Science And Technology

Group iii nitride based led structures including multiple quantum wells with barrier-well unit interface layers

Group iii nitride based light emitting diode (led) structures include multiple quantum wells with barrier-well units that include iii nitride interface layers. Each interface layer may have a thickness of no greater than about 30% of an adjacent well layer, and a comparatively low concentration of indium or aluminum.
Cree, Inc.

Systems and methods for preparing gan and related materials for micro assembly

The disclosed technology relates generally to a method and system for micro assembling gan materials and devices to form displays and lighting components that use arrays of small leds and high-power, high-voltage, and or high frequency transistors and diodes. Gan materials and devices can be formed from epitaxy on sapphire, silicon carbide, gallium nitride, aluminum nitride, or silicon substrates.
X-celeprint Limited

Photodiode structures

Photodiode structures and methods of manufacture are disclosed. The method includes forming a waveguide structure in a dielectric layer.
International Business Machines Corporation

Process of forming light-receiving device

A process of forming a light-receiving device type of avalanche photodiode (apd) is disclosed. The process includes steps of: (1) growing semiconductor layers on a semiconductor substrate, the semiconductor layers providing a first area on a top thereof; (2) thermally diffusing impurities within the semiconductor layers in a second area outside of the first area so as to leave a roughed surface in a top of the second area, the impurities laterally diffusing to form an diffusion edge locating inside of the first area; and (3) removing the semiconductor layers including the roughed surface thereof in the second area to form a mesa in the first area, the mesa including the diffusion edge in a periphery thereof but excluding the roughed surface..
Sumitomo Electric Device Innovations, Inc.

Photodiode with decreased dark current and manufacturing the same

A photodiode having a reduced dark current includes a semiconductor layer, a first contact part, a second contact part, and an active region. The first contact part disposed in a first region of the semiconductor layer includes an interlayer and at least one metal layer.
Korea University Research And Business Foundation

Diamond-backed photodiodes, diamond-sandwiched photodiodes, photodiode systems and related methods of manufacture

A photodiode device and method of manufacturing the same are disclosed. A stack of functional layers of the photodiode device, formed of crystalline semiconductor material, may be formed on a diamond substrate.
Phase Sensitive Innovations, Inc.

High withstand voltage schottky barrier diode

A high withstand voltage schottky barrier diode includes a first layer that includes a first ga2o3-based single crystal including a first group iv element and cl at a concentration of not more than 5×1016 cm−3 and that has an effective donor concentration of not less than 1×1013 and not more than 6.0×1017 cm−3, a second layer that includes a second ga2o3-based single crystal including a second group iv element and that has a higher effective donor concentration than the first layer and is laminated on the first layer, an anode electrode formed on the first layer, and a cathode electrode formed on the second layer.. .
National University Corporation Tokyo University Of Agriculture And Technology

Silicon carbide semiconductor device

A mesa type p-n junction diode silicon carbide semiconductor device that includes a first silicon carbide semiconductor substrate, a first drift layer formed on the silicon carbide semiconductor substrate, a second anode layer formed on the drift layer, a mesa structure having a flat mesa bottom portion formed in an outer periphery thereof and having a mesa side wall obliquely formed with respect to a top face of the anode layer in a cross-section ranging from the anode layer to the drift layer, a second lightly doped region formed from an edge of the anode layer to the mesa bottom portion, and a second highly doped region formed on the side of the mesa side wall in the lightly doped region in contact with the edge of the anode layer and in a portion connected to the mesa bottom portion at a lower part of the mesa side wall.. .
Mitsubishi Electric Corporation

Organic light emitting diode display device and fabricating the same

An organic light emitting diode display device includes a first substrate including a display region, wherein a plurality of pixel regions are defined in the display region; a first electrode over the substrate and in each of the plurality of pixel regions; a bank on edges of the first electrode and surrounding each of the plurality of pixel regions, the bank including a lower layer having a hydrophilic property and an upper layer having a hydrophobic property; an organic emitting layer on the first electrode and in each of the plurality of pixel regions surrounded by the bank; and a second electrode on the organic emitting layer and covering an entire surface of the display region.. .
Lg Display Co., Ltd.

Organic light emitting diode display device and organic light emitting diode thereof

There is provided an organic light emitting diode display device. The organic light emitting diode display device includes a substrate divided into an emission area and a non-emission area, an overcoating layer disposed on the substrate and including a plurality of micro lenses, a plurality of first electrode patterns disposed on the overcoating layer and spaced away from each other in the emission area, an organic emission layer disposed on the plurality of first electrodes, and a second electrode disposed on the organic emission layer..
Lg Display Co., Ltd.

Ray detection substrate, manufacturing method thereof and ray detection device

The present disclosure provides a ray detection substrate, a manufacturing method thereof and a ray detection device, in the field of display technology. The ray detection substrate comprises: a basal substrate, wherein the basal substrate is provided with a photodiode, the photodiode includes two doped layers and an intrinsic layer located between the two doped layers, and an arrangement direction of the two doped layers is parallel with the basal substrate.
Boe Technology Group Co., Ltd.

Photodiode matrix with isolated cathodes

The invention relates to a photodiode matrix and to the method for manufacturing same, said matrix comprising a substrate (4) of indium phosphide an active layer (5) of indium gallium arsenide above the substrate (4), a buried region (8) between the substrate (4) and the active layer (5), and an upper layer (6) made of indium phosphide above the active layer (5), a photodiode anode made up of a doped region (12), said doped region (12) extending from the upper layer (6) into the active layer (5) without reaching the buried region (8), said doped region (12) defining a plurality of cathode areas (13) of the upper layer (6) isolated from one another by the doped region (12).. .
New Imaging Technologies

Led light source comprising an electronic circuit

An electroluminescent light source including light-emitting diodes arranged on a substrate made of silicon. The light source integrates an electronic circuit performing a function that is necessary for controlling the light-emitting diodes..
Valeo Vision

Current detection pixel circuit, display panel and display device

A current detection method for a pixel circuit, a display panel and a display device are provided, for implementing both a compensation for the threshold voltage vth of the drive transistor and a compensation for the aging of the light emitting element organic light emitting diode (oled) by controlling to turn on or turn off the first switch transistor and the second switch transistor, and by acquiring the drive current of the drive transistor and the compensation current of the light emitting element, thus the brightness differences among pixels are compensated, thereby avoiding the problem of non-uniform display brightness and poor image uniformity.. .
Shanghai Tianma Am-oled Co., Ltd.

Led lighting kit

A ready to assemble kit designed to stimulate creativity, to teach some of the basic principles of electricity and to teach fine motor skills. The kit may be used to teach principles about batteries and diodes.
Progressive Arts Alliance, Inc

Two-dimensional conformal optically-fed phased array and methods of manufacturing the same

This disclosure is directed to two-dimensional conformal optically-fed phased arrays and methods for manufacturing the same. The method includes providing a wafer substrate, depositing a first cladding layer on the wafer substrate, and depositing a core layer on the first cladding layer.
Phase Sensitive Innovations, Inc.

Image display device

A video display device includes a liquid crystal display panel, and light source substrates configured to illuminate the liquid crystal display panel from a rear side of the liquid crystal display panel. Each of the light source substrates includes a plurality of light emitting diodes each of which is provided in corresponding one of areas different from each other in the liquid crystal display panel, and driver elements which drive each of the plurality of light emitting diodes such that light is emitted with luminance corresponding to brightness within a corresponding area of an image in accordance with a control signal.
Panasonic Intellectual Property Management Co. Ltd.

Functional optical device and optical apparatus implementing the same

A functional optical device applicable to a coherent optical communication system as a front end device is disclosed. The functional optical device includes a pair of light-receiving elements of a type of waveguide photodiode (pd), a pair of signal pads, a pair of ground pads, a bias pad, and a substrate that monolithically integrates those elements thereon.
Sumitomo Electric Device Innovations, Inc.

Layout of optical engine components and integrated circuits on a transceiver printed circuit board

A transceiver printed circuit board (pcb) includes an integrated circuit (ic) with at least two different functionality, a photodiode and a laser. The ic has a first side, a second side opposite to the first side, a third side connecting the first side and the second side, and a fourth side opposite to the third side.
Foxconn Interconnect Technology Limited

Illumination modules for translating light

This disclosure relates to illumination modules operable to increase the area over which an illumination source, such as a vertical-cavity surface-emitting laser or light-emitting diode, illuminates. Such illumination modules include a substrate having electrical contacts, an illumination source electrically connected to the substrate, a collimation assembly operable to collimate the light generated from the illumination source, a translation assembly operable to translate light over an area, and a mask assembly.
Heptagon Micro Optics Pte. Ltd.

Device for emitting electromagnetic radiation, in particular uv radiation

A device for emitting electromagnetic radiation, in particular uv radiation, including at least one radiating unit that only emits radiation at visible wavelengths. The device further includes a unit for detecting a functional error of the radiating unit.

Device and determining a temperature or a temperature-dependent value usable for determining the temperature, temperature sensor, pressure sensor and combination sensor

In accordance with an embodiment, a device includes an interface configured for obtaining at least one measurement signal from a temperature sensor. In a first time interval the at least one measurement signal comprises information about a temperature-dependent voltage difference between a first temperature-dependent voltage at a first diode of the temperature sensor and a second temperature-dependent voltage at a second diode of the temperature sensor.
Infineon Technologies Ag

Light emitting diode luminaire

A light emitting diode (led) luminaire comprises a heat radiator, a power source and a plurality of led light sources. The led luminaire is further equipped with an adapter assembly, one end of which is fixed on the heat radiator and when in use the other end of which is fixed with the outside.
Shenzhen Yaorong Technology Co., Ltd.

Radio-frequency coil for simultaneous imaging and dosimetry on an mri-linac

A method of monitoring a state of a linac beam in an mri-linac system for real-time in vivo patient dosimetry is provided that includes disposing a linac beam proximal to a pin diode of an imaging rf coil to induce rf noise in an mri image from an mri imager, and using the mri imager to monitor the induced rf noise in the mri image, where a change in a percentage of rf noise in the mri image is used to determine a state of the linac beam in the presence of a magnetic field of the mri imager, where the state of the linac beam includes an on state, an off state, or a relative intensity of the linac beam.. .
Ingham Institute For Applied Medical Research

Radiography apparatus

The radiography apparatus of the present invention includes a cpu 71 having a function of a lighting time limitation means to control the lighting time of light sources in such a way as to maintain a temperature at or below a predetermined temperature. In order to discriminate the type of light source connected to the device body, the setting of no.
Shimadzu Corporation

Remote monitoring of live catch rodent traps

A live catch trap having a light-based sensor mounted therein and remote communication capability is provided. The light-based sensor may be a visual image device such as a cmos or ccd camera that evaluates the status of the trap interior for the presence of insects and/or rodents.
Woodstream Corporation

Animal recognition and location device

The invention relates to an animal recognition and location arrangement in which the arrangement is easily attached to an animal. The arrangement comprises two components, a first component containing self powering and electronic communication features and a second component for attaching or securing the first component to the animal.

Method and apparatus based on laser for providing high growth, high density plantation system

A plantation growth lighting system comprised of laser diode (ld) array and automatic control unit is disclosed herein. The lighting system of the present invention is used for multi-layer hydroponic or soil-based plantation growth facilities to substantially improve the intensity of light.

Lms Co.,ltd.

. .

Led driving apparatus, lighting apparatus including the same, and driving led module

A light-emitting diode (led) driving apparatus driving an led module includes: a first output circuit configured to supply a first driving current to a first led array; a second output circuit configured to supply a second driving current to a second led array; and a controller configured to transmit a first control signal and a second control signal respectively to the first output circuit and the second output circuit, wherein the controller is further configured to control the led module based on the first input signal so that a color temperature of the led module has a value between a first color temperature and a second color temperature, to control brightness of the led module based on the second input signal, and includes a lookup table including information about the first control signal and the second control signal respectively corresponding to the first input signal and the second input signal.. .
Samsung Electronics Co., Ltd.

Light emitting diode thermal foldback control device and method

A thermal foldback control system electrically connected to a light emitting diode (led) driver. The thermal foldback control system including a temperature sensitive circuit and a shunt regulator.
Hubbell Incorporated

Optoelectronic circuit with light-emitting diodes

An optoelectronic circuit for receiving a variable voltage containing alternating increasing and decreasing phases, the optoelectronic circuit including a plurality of assemblies of light-emitting diodes and a switching device for controlling or interrupting the circulation of a current in each assembly and for varying the intensity of the current according to the number of assemblies through which the current passes during at least one increasing or decreasing phase.. .
Aledia

Physical port identification using software controlled leds

A computer-implemented method for identifying a physical port associated with a virtual machine is provided. The method includes receiving a request to identify the physical port associated with the virtual machine.
International Business Machines Corporation

Smart bypass diode bridge rectifiers

Example implementations relate to smart bypass diode bridge rectifiers. For example, a device can include a power over ethernet input.
Aruba Networks, Inc.

Optical receiver component

An optical receiver component, wherein the receiver component comprises a first type of partial-voltage source with a first absorption edge and a second type of partial-voltage source with a second absorption edge, and the first absorption edge lies at a higher energy than the second absorption edge. Each partial-voltage source produces a partial voltage, provided a photon flux at a specific wavelength strikes the partial-voltage source, and the two partial-voltage sources are connected in series.
Azur Space Solar Power Gmbh

Polarization analyzer based detection schemes for pol-mux self-coherent single sideband optical transmission

An orthogonal frequency division multiplexing (ofdm) transmitter is able to communicate simultaneously with a simple direct detection receiver and also with a coherent receiver. The transmitter transmits a polarization multiplexed self-coherent signal by multiplexing a carrier in the polarization state orthogonal to the polarization state of the data signal that is embodied in the sidebands.
Arizona Board Of Regents On Behalf Of The University Of Arizona

Audio amplifier and audio power amplifier

A first circuit unit of an audio amplifier includes a first emitter follower connected to an pre stage input terminal, a second emitter follower connected to an pre stage input terminal, a main transistor connected to an output path of the first emitter follower and an output path of the second emitter follower, a first resistor and a second resistor, which are series-connected between the output path of the first emitter follower and a dc voltage source, and a zener diode connected to a series-connection point between the first resistor and the second resistor. A second circuit unit has a circuit configuration that is complementary to the first circuit unit.
Onkyo Corporation

Fan driving circuit

The fan driving circuit includes a processing module providing a fan phase signal; a speed signal providing module electrically connected to the processing module; a first switch, wherein the third terminal of the first switch is electrically connected to a ground voltage, the second terminal of the first switch receives the fan phase signal; a second switch, wherein the first terminal of the second switch is electrically connected to the third terminal of the fan driving circuit and the first terminal of the first impendence, the second terminal of the second switch is electrically connected to the second terminal of the first impendence and the second terminal of the first diode, the third terminal of the second switch of is electrically connected to the first terminal of the first switch; and a third switch, wherein the second terminal of the third switch is electrically connected to a bias voltage.. .
Anpec Electronics Corporation

Calibration of a load control device for a light-emitting diode light source

A load regulation device for controlling the amount of power delivered to an electrical load may be able to calibrate the magnitude of an output voltage of the load regulation device in order to control the magnitude of a load voltage across the electrical load to a predetermined level. The load regulation device may receive the feedback from a calibration device adapted to be coupled to load wiring near the electrical load.
Lutron Electronics Co., Inc.

High-power laser systems with modular diode sources

In various embodiments, a modular laser system features an enclosure having interfaces for accepting input laser beam modules, optical elements for combining beams from the modules into a combined output beam, and a heat-exchange manifold for interfacing with and cooling the modules during operation.. .

Laserdiode

A laser diode includes an active zone that emits radiation in a lateral emission angle range in a plane of the active zone via an emission side of a layer arrangement, an electrical contact is configured on a top side of the layer arrangement, the electrical contact includes a metallic adhesion layer and at least one metallic contact layer, the adhesion layer is arranged on the layer arrangement, the adhesion layer includes a layer stack including a first and a second layer, the first layer is arranged on the layer arrangement, the first layer is configured in a planar fashion, the second layer is subdivided into at least one first and at least one second partial surface, the adhesion layer is arranged in the first partial surface, and the contact layer is arranged on the first partial surface and in the second partial surface.. .
Osram Opto Semiconductors Gmbh

Integrated circuit implementing a vcsel array or vcsel device

A semiconductor device includes an array of vcsel devices with an annealed oxygen implant region (annealed at a temperature greater than 800° c.) that surrounds and extends laterally between the vcsel devices. A common anode and a common cathode can be electrically coupled to the vcsel devices, with the common anode overlying the annealed oxygen implant region.
Intop Corp.

Portable computer battery indicator

A portable computer may include battery indicator light structures. Battery status information in the portable computer may be presented to a user using an array of light-emitting diodes or other light emitters.
Apple Inc.

Method of fabricating a light extraction layer, light emitting diode display apparatus, and light emitting diode display substrate

The present application discloses a method of fabricating a light extraction layer having a corrugated surface. The method includes forming a transparent optical material layer using a trans optical material; and forming a plurality of convex portions on a surface of the transparent optical material layer using a molding plate having a plurality of concave portions on a surface of the molding plate; the plurality of convex portions respectively substantially complementary to the plurality of concave portions..
Boe Technology Group Co., Ltd.

Distributed bragg reflector on color conversion layer with micro cavity for blue oled lighting application

A light emitting device and processes for making the same are disclosed. In an aspect, a light-emitting device comprises a substrate, an organic light emitting diode (oled) disposed adjacent the substrate, the oled configured to emit light having a wavelength at about 400 nm to about 480 nm, a color conversion layer disposed adjacent a side of the substrate opposite the oled, and a distributed bragg reflector (dbr) disposed adjacent the color conversion layer..
Sabic Global Technologies B.v.

Metal amides for use as hil for an organic light-emitting diode (oled)

The present invention relates to metal amides of general formula ia and for their use as hole injection layer (hil) for an organic light-emitting diode (oled), and a method of manufacturing organic light-emitting diode (oled) comprising an hole injection layer containing a metal amide of general formula ia.. .
Novaled Gmbh

Triaryl amine thick layer doped with metal amides for use as hil for an organic light-emitting diode (oled)

The present invention relates to a hole injection layer for an oled comprising a triarylamine compound doped with a charge neutral metal amide compound, characterized in that the hole injection layer has a thickness of at least about ≥20 nm to about ≤1000 nm and the charge neutral metal amide compound has the formula ia.. .
Novaled Gmbh

Novel compound and light emitting diode including same

In the above chemical formula 1, ar1, ar2, ar3, l1, l2, l3 and y are as defined in the present specification.. .

Light emitting diode having side reflection layer

Disclosed is a light emitting diode including a side reflection layer. The light emitting diode includes a substrate having a side surface and an upper surface; a semiconductor stack disposed under the substrate and including a first conductivity type semiconductor layer, a second conductivity type semiconductor layer, and an active layer interposed between the first conductivity type semiconductor layer and the second conductivity type semiconductor layer; an ohmic reflection layer electrically connected to the second conductivity type semiconductor layer; a first bump pad disposed under the ohmic reflection layer and electrically connected to the first conductivity type semiconductor layer; a second bump pad disposed under the ohmic reflection layer and electrically connected to the second conductivity type semiconductor layer; a side reflection layer covering the side surface of the substrate; and a capping layer covering the upper surface of the substrate and the side reflection layer..
Seoul Viosys Co., Ltd.

Light emitting diode with reflective part for uva and blue wavelengths

Disclosed is a light emitting diode using light of a short wavelength band. The light emitting diode includes a first conductivity type semiconductor layer having a front side and a back side, a second conductivity type semiconductor layer having a front side and a back side, an active layer formed between the back side of the first conductivity type semiconductor layer and the front side of the second conductivity type semiconductor layer, a first electrode electrically connected to the first conductivity type semiconductor layer, a second conductivity type reflective layer formed on the back side of the second conductivity type semiconductor layer, and a reflective part formed on the second conductivity type reflective layer to reflect light of a short wavelength band and light of a blue wavelength band and electrically connected to the second conductivity type semiconductor layer.
Lumens Co., Ltd.

Display device using semiconductor light emitting diode

The present invention relates to a display device and, in particular, to a display device using a semiconductor light emitting diode. A display device according to the present invention comprises a substrate having a plurality of metal pads; and a plurality of semiconductor light emitting diodes electrically connected to the metal pads through self-assembly.
Lg Electronics Inc.

Transfer printing template and transfer printing device of micro light-emitting diode

This disclosure provides a transfer printing template, including a transfer substrate, one surface of the substrate has a array of bulges, the bulge surface and gap between the bulges are covered with a colloid varying its viscosity with temperature change. This disclosure also provides a transfer printing device of μled, including a rack, the rack is provided with a standby platform and a transfer platform.
Shenzhen China Star Optoelectronics Technology Co., Ltd.

Organic light emitting diode display device and manufacturing method thereof

An organic light emitting display device includes: a substrate; a semiconductor on the substrate and including a switching channel of a switching transistor and a driving channel of a driving transistor, wherein the switching transistor and the driving transistor are spaced; a first insulating layer covering the semiconductor; a switching gate electrode on the first insulating layer and overlapped with the switching channel and a driving gate electrode on the first insulating layer and overlapped with the driving channel; a second insulating layer covering the switching gate electrode and the driving gate electrode; a data line on the second insulating layer and configured to transmit a data signal, a driving voltage line on the second insulating layer and configured to transmit a driving voltage; a passivation layer; a pixel electrode on the passivation layer; and a pixel connecting member on the passivation layer.. .
Samsung Display Co., Ltd.

Organic light emitting display device comprising multi-type thin film transistor and manufacturing the same

An organic light emitting display device includes a driving tft on the substrate, a switching tft on the substrate, and an organic light emitting diode. The driving tft includes a first active layer formed of poly-si, and at least a first part of an interlayer insulation layer on the first active layer.
Lg Display Co., Ltd.

Silicon-based oled image transceiving device and manufacture method thereof

A silicon-based oled image transceiving device includes a substrate, multiple photodiodes for sensing light, and multiple oleds for emitting light. The oled includes a metal interconnect anode, a hole transport layer, an organic light emitting layer, an electronic transport layer, and a transparent cathode layer.
Shenzhen Dianbond Technology Co., Ltd

Print sensor with gallium nitride led

A papillary print sensor is provided, including a light emitting device configured to emit light radiation towards the sensor; and a matrix photodetector configured to be sensitive to at least part of an emission spectrum of the light emitting device, the light emitting device and the matrix photodetector being distributed together in and/or above a same semiconducting substrate, the light emitting device being composed of at least one gallium nitride light emitting diode (led) with a series of through openings.. .
Commissariat A L'energie Atomique Et Aux Energies Alternatives

Image sensor and sensing pixel array for reading out charge of sensing signal and charge of reset signal of one sensing pixel unit after another

A sensing pixel array used in an image sensor includes sensing pixel units each including a photodiode, a row reset transistor, a buffer transistor, and a column control transistor at least. Photodiode converts light into a sensing signal.
Pixart Imaging Inc.

Solid-state image-capturing element and electronic device

The present disclosure relates to a solid-state image-capturing element and an electronic device capable of reducing the capacitance by using a hollow region. At least a part of a region between an fd wiring connected to a floating diffusion and a wiring other than the fd wiring is a hollow region.
Sony Semiconductor Solutions Corporation

Semiconductor device

A semiconductor device provided herein includes: a semiconductor substrate; an upper main electrode provided above the semiconductor substrate; a sense anode electrode provided above the semiconductor substrate; a resistance layer provided above the semiconductor substrate and having a resistivity higher than the sense anode electrode; a lower main electrode provided below the semiconductor substrate. The semiconductor substrate includes a switching element and a sense diode.
Toyota Jidosha Kabushiki Kaisha

Led chip having esd protection

Disclosed herein is a light emitting diode chip having esd protection. An exemplary embodiment provides a flip-chip type light emitting diode chip, which includes a light emitting diode part aligned on a substrate, and a reverse-parallel diode part disposed on the substrate and connected to the light emitting diode part.
Seoul Viosys Co., Ltd.

Semiconductor device

A semiconductor device provided herein includes: a semiconductor substrate; an upper main electrode located above the semiconductor substrate; a sense anode electrode located above the semiconductor substrate; a first resistance layer located above the semiconductor substrate, having resistivity higher than resistivities of the upper main electrode and the sense anode electrode, and connecting the upper main electrode and the sense anode electrode; and a lower main electrode located below the semiconductor substrate. The semiconductor substrate includes a switching element and a sense diode.
Toyota Jidosha Kabushiki Kaisha

Method of forming a semiconductor device and method therefor

In one embodiment, a method of forming a hem diode may comprise forming the hem diode with high forward voltage that is greater than one of a gate-to-source threshold voltage of a hemt or a forward voltage of a p-n diode.. .
Semiconductor Components Industries, Llc

Driving an organic light-emitting display device

A driving method of an organic light-emitting display device, the display device includes a plurality of sub-pixels, each of the sub-pixels includes a driving transistor, an organic light-emitting diode and a sense line connected to the driving transistor and the organic light-emitting diode, the method includes: detecting threshold voltages of driving transistors of the sub-pixels or turn-on voltages of organic light-emitting diodes of the sub-pixels by sense lines; calculating a first driving voltage of a data driving circuit or a second driving voltage applied to anodes of the organic light-emitting diodes according to all detected threshold voltages or detected turn-on voltages respectively; and based on the first driving voltage or the second driving voltage, applying data driving voltages and supply voltages to the sub-pixels.. .
Boe Technology Group Co., Ltd.

Organic light-emitting display panel, organic light-emitting display apparatus, and driving organic light-emitting display panel

An organic light-emitting display panel, an organic light-emitting display apparatus and a driving method of the organic light-emitting display panel are provided. The organic light-emitting display panel includes a data line and a gate line intersecting the data line, a switching signal line, a pixel driving circuit including a first voltage terminal for supplying a high-level direct current voltage, a driving transistor, a light-emitting diode and a photosensitive switch electrically connected between the first voltage terminal and the light-emitting diode; a photosensitive element disposed at a non-display region of the organic light-emitting display panel; and a control circuit including a storage module and a control module.
Shanghai Tianma Am-oled Co., Ltd.

Amoled pixel driver circuit and pixel driving method

The invention provides an amoled pixel driver circuit and pixel driving method. The amoled pixel driver circuit has a 6t1c structure, comprising a first thin film transistor (tft) (t1), a second tft (t2) forming mirror relation with the first tft (t1), a third tft (t3), a fourth tft (t4), a fifth tft (t5), a sixth tft (t6), a capacitor (c1), and an organic light-emitting diode (oled) (d1), and receiving a first scan signal (scan1), a second scan signal (scan2), a third scan signal (scan3), a data signal (data), and a predefined voltage (vpre).
Shenzhen China Star Optoelectronics Technology Co., Ltd

Driving apparatus of light emitting diode display device

A driving apparatus of a light emitting diode (led) display device is provided. The driving apparatus includes a timing control circuit.
Novatek Microelectronics Corp.

Light-emitting diode display device

A light-emitting diode display device includes: a display that includes a light-emitting diode; a drive unit that drives the light-emitting diode; a lighting time storage unit; a first temperature detection unit; a first temperature storage unit; an aging display that includes a measurement light-emitting diode; a drive unit that drives the measurement light-emitting diode; a drive data generation unit; a second temperature detection unit; a second temperature storage unit; a brightness measurement unit that measures brightness of the measurement light-emitting diode; a brightness reduction rate storage unit; a compensation factor calculation unit that finds a compensation factor from the cumulative lighting time and the brightness reduction rate, and corrects the compensation factor on the basis of a difference between the first temperature and the second temperature; and a brightness compensation circuit that compensates the brightness of the light-emitting diode on the basis of the compensation factor.. .
Mitsubishi Electric Corporation

Micro light-emitting diode display panel and manufacturing method

The disclosure provides a micro light-emitting diode display panel. The array substrate is arranged with a plurality of pixels in an array.
Shenzhen China Star Optoelectronics Technology Co., Ltd.

Voltage regulator with improved driver stage

A voltage regulator to provide a load current at an output node is presented. The voltage regulator has a pass transistor for providing the load current at the output node from an input node.
Dialog Semiconductor (uk) Limited

Wearable laser based display method and system

The present invention is directed to wearable display technologies. More specifically, various embodiments of the present invention provide wearable augmented reality glasses incorporating projection display systems where one or more laser diodes are used as light source for illustrating images with optical delivery to the eye using transparent waveguides.
Soraa Laser Diode, Inc.

Hollow light integrator for light emitting diode digital micromirror device illuminator

Described are optical systems for a digital micromirror device (dmd) illuminator. The optical systems include a led array, a tapered non-imaging collection optic, a reflective stop and a telecentric lens system.
Innovations In Optics, Inc.

Decision tree svm fault diagnosis photovoltaic diode-clamped three-level inverter

The present invention discloses a decision tree svm fault diagnosis method of a photovoltaic diode-clamped three-level inverter in view of fault diagnosis problems of the photovoltaic three-level inverter in a photovoltaic microgrid. Taking an inverting state for example, firstly, analyzing running conditions of an inverter main circuit and performing fault classification, then taking the middle, upper and lower bridge leg voltages as measurement signals, extracting feature signals with a wavelet multiscale decomposition method, and thereby generating a decision tree svm fault classification model with a particle swarm clustering algorithm, to finally achieve multi-mode fault diagnosis of the photovoltaic diode-clamped three-level inverter.
Jiangnan University

Integrated illumination-detection flow cell for liquid chromatography

A liquid chromatography flow cell including an integrated light source and an integrated detection chamber. The integrated light source includes a plurality of light emitting diodes (leds), wherein each led emits light of a specific wavelength.
Phoseon Technology, Inc.

Diamond identification apparatus

A diamond identification apparatus is disclosed, the diamond identification apparatus comprising a support platform for receiving a gemstone at an observation position, a first light source arranged to emit light at a predetermined angle towards the observation position and a first photodiode arranged to detect an amount of light from the first light source being reflected from the gemstone at the observation position. The diamond identification apparatus further comprises a second light source arranged to emit light towards the observation position, a second photodiode arranged to detect light from the second light source that passes through the gemstone at the observation position and a processor unit..
Jubilee Diamond Instrument (s) Pte. Ltd.

Portable moisture analyzer for natural gas

Methods, devices, and systems are provided for analyzing the moisture content in natural gas. In one embodiment, a portable moisture analyzer system is provided and can include a moisture analyzer and a housing.
Ge Infrastructure Sensing, Llc

Film-like lighting device

A film-like lighting device (1) for mounting on walls (14), ceilings (12), floors (15) and the like has at least one film element (2) and a plurality of light-emitting diodes (3) integrated into the film element (2) and/or laser beam-generating devices which are operatively connected to a control unit (4) and can be controlled individually or in groups by means of the control unit (4).. .
Lupyled Gmbh

Linear solid-state lighting with a pulse amplitude control scheme

A linear light-emitting diode (led)-based tube (llt) lamp comprises a pulse amplitude control module, a power sustaining device, an led driving circuit, and led arrays. The pulse amplitude control module is configured to generate one or more voltage pulses in each alternate-current (ac) cycle in response to a half-wave direct-current (dc) voltage when the llt lamp starts to receive power from an input ac line voltage and when the half-wave dc voltage drops to a few tens of volts in each ac cycle.
Aleddra Inc.

Downlight module and manufacturing the same

Disclosed herein is a downlight module that includes a light source driving board, an isolating board, a lens module, a back housing, and an input power line. The light source driving board includes a light-emitting diode and a driving circuit.
Xiamen Eco Lighting Co. Ltd.

Tool-less light engine assembly for led street light fixtures

A light emitting diode assembly is provided for using in street light fixtures. The light emitting diode assembly can be mounted in a street light fixture without the use of screws and is clipped into the body of the street light fixture.
Led Roadway Lighting Ltd.

Method of installing led light bar, bulb apparatus and light apparatus

A method of installing a light emitting diode light bar into a bulb is provided. Place the light bar module into the light bulb shell.
Xiamen Eco Lighting Co. Ltd.

Methods for forming nanowire photonic devices on a flexible polycrystalline substrate

An example method of forming a photonic device is described herein. The method can include providing a flexible polycrystalline substrate, and growing a nanowire heterostructure on the flexible polycrystalline substrate.
Ohio State Innovation Foundation

Sealed devices and methods for making the same

Disclosed herein are sealed devices comprising at least one cavity containing at least one quantum dot or at least one laser diode are also disclosed herein. The sealed devices can comprise a glass substrate sealed to an inorganic substrate, optionally via a sealing layer, the seal extending around the at least one cavity.
Corning Incorporated

Steering grip light bar systems

Various implementations include a light bar system for a steering wheel of a vehicle that includes a high intensity light source, a light diffusing layer, and an outer lens. For example, in certain implementations, the light diffusing layer is disposed between a plurality of high intensity light emitting diodes (leds) and an outer lens, and the light diffusing layer causes the light from the leds to appear as a continuous stream of light across a length of the lens and provides sufficiently bright lighting to warn or communicate with the driver in various ambient lighting conditions.
Tk Holdings Inc.

Therapeutic light source and hanging apparatus

A therapy lighting assembly, comprising a hollow housing, wherein a first surface has a plurality of openings, and the first side and the second side have a plurality of slots, a plurality of light emitting diodes (led) arranged in predetermined arrays secured within the hollow housing so that the plurality of leds are substantially aligned with the plurality of openings, a plurality of attachment means secured to the first end of the hollow housing, and a positioning system comprising a plurality of attachment members, wherein the plurality of attachment members are detachably engaged with the plurality of attachment means, a connection means attached to the plurality of attachment members, a winching system integrated with the connection means, wherein the winching system adjusts the height of the hollow housing, and a mounting system connected to the winching system to secure the positioning system and the hollow housing.. .
Joovv, Inc.

Insect trap device and using

An insect trap device and methods of using the device are described herein. In some embodiments, an insect trap includes a light source, a removable enclosure with at least one opening, an adhesive surface at least partially within the enclosure, and optics to redirect light from the light source onto an adhesive trapping surface.
The Procter & Gamble Company

Wireless lighted animal restraint for illuminating an entire length of the restraint

An illuminated animal restraint includes an elongated leash which has a housing having a selectively enabled wireless lighting assembly. The wireless lighting assembly has a light source connected via a wireless connection to a light transmitting member extending through said tube thereby illuminating the entire length and all sides of the leash.
Nitey Leash, Llc

Lg Display Co., Ltd.

. .

Load control device for a light-emitting diode light source

A load control device for controlling the intensity of a lighting load, such as a light-emitting diode (led) light source, may include a power converter circuit operable to receive a rectified ac voltage and to generate a dc bus voltage, a load regulation circuit operable to receive the bus voltage and to control the magnitude of a load current conducted through the lighting load, and a control circuit operatively coupled to the load regulation circuit for pulse width modulating or pulse frequency modulating the load current to control the intensity of the lighting load to a target intensity. The control circuit may control the intensity of the lighting load by pulse width modulating the load current when the target intensity is above a predetermined threshold and control the intensity of the lighting load by pulse frequency modulating the load current when the target intensity is below the predetermined threshold..
Lutron Electronics Co., Inc.

Method and retrofitting fluorescent tubes to light emitting diodes

A multi-group brightness controllable led tube comprises a multi-input source selector which directs electric power to the tube from a set of diversion switches inserted between a power source and preexisting ballast. The diversion switches automatically re-establish new electric current paths to supply the led tube power and safely bypass the preexisting ballast.

Microphone system having high acoustical overload point

A microphone biasing circuit comprises a microphone connected between a first node and a first dc bias voltage, the microphone configured to provide a sensed voltage at the first node in response to sound; a first diode and a second diode, the first diode and the second diode connected antiparallel with one another between the first node and a second node, the second node having a second dc bias voltage; an amplifier having an input connected to the first node and an output connected to a third node, the amplifier configured to provide an output voltage to the third node based on the sensed voltage at the first node; and a feedback path connected from the third node to the second node. The feedback path comprises at least one element configured to couple alternating components of the output voltage at the third node to the second node..
Robert Bosch Gmbh

Low-noise driver and low-noise receiver for self-mix module

Optical microphone, laser-based microphone, and laser microphone having reduced-noise components of low-noise components. A laser microphone comprises a laser-diode associated with a low-noise laser driver tx; and a photo-diode associated with a low-noise photo-diode receiver rx.
Vocalzoom Systems Ltd.

Solid-state image sensor, imaging device, and electronic device

The present technology relates to a solid-state image sensor, an imaging device, and an electronic device capable of switching fd conversion efficiency in all pixels of a solid-state image sensor. A photodiode performs photoelectric conversion on incident light.
Sony Corporation

Camera strobe having multi-led packages

First and second multi-led packages are installed on a carrier. Each package includes its own emitting diodes that are series coupled to each other and that are encased within a single, internally reflective package having two external terminals.
Apple Inc.

Time-of-flight (tof) receiver with high dynamic range

The disclosure provides a receiver with high dynamic range. The receiver includes a photodiode that generates a current signal.
Texas Instruments Incorporated

High speed pin diode driver circuit

An apparatus includes a first circuit and a second circuit. The first circuit may be configured to inject charge into an i-region of a pin diode in response to a first state of a control signal.
Macom Technology Solutions Holdings, Inc.

Distributed power harvesting systems using dc power sources

A photovoltaic panel with multiple photovoltaic sub-strings including serially-connected photovoltaic cells and having direct current (dc) outputs adapted for interconnection in parallel into a parallel-connected dc power source. A direct current (dc) power converter including input terminals and output terminals is adapted for coupling to the parallel-connected dc power source and for converting an input power received at the input terminals to an output power at the output terminals.
Solaredge Technologies Ltd.

A multi-phase power device with two-phase modulation scheme

A multi-phase power device for driving an inductive load includes a first semiconductor device and a second semiconductor device connected in series in each of three phase arms. Each first semiconductor device includes a first switching device made of a wide-bandgap semiconductor and a freewheeling diode that is made of a narrow-bandgap semiconductor and is connected in anti-parallel to the first switching devices.
Fuji Electric Co., Ltd.

Adaptive control generating non overlapping time in output devices

The disclosure describes an adaptive technique for generating minimum dead time in a dc-dc switching power converter, while ensuring no short circuit losses occur, resulting in efficiency improvement of the switching converter. In addition, this adaptive scheme makes sure that even the ambient conditions of the switching converter give the best decision at the on/off timings of the switches.
Dialog Semiconductor (uk) Limited

High side driver without dedicated supply in high voltage applications

A dc-to-dc converter is disclosed. The smps driver includes a highside switch having a first terminal, a second terminal and a gate.
Nxp B.v.

Multilevel power conversion device

A power converter has: switching elements connected in parallel to each of primary-side filter capacitors, freewheel diodes connected in parallel to the switching elements, and snubber resistances connected in parallel to the switching elements. The controller causes stoppage of the power converter by turning off each of the switching elements.
Mitsubishi Electric Corporation

Method and controlling a load

A method and apparatus for switching ac power to a lamp (or other load) via a two terminal switch device. The switch device comprises a first electrically controlled switch, such as a triac or relay, and a second electrically controlled resistance or switch connected in series to the first switch.
Switchbee Ltd.

Energy mixer

Disclosed is an energy mixer having a first active diode coupled between a first input node and an output node, and a second active diode coupled between a second input node and the output node. A first capacitor is coupled between the first input node and a dynamic node, and a second capacitor is coupled between the second input node and a third node.
Khalifa University Of Science And Technology

Electric-power converting device, solar power conditioner system, electricity storage system, uninterruptible power source system, wind power generation system, and motor drive system

An electric-power converting device having an inverter circuit of a 4-parallel configuration is realized by a combination of four first to third power semiconductor module devices. In each of module device groups, a single unit of the first power semiconductor module device and a single unit of the second power semiconductor module device are mixedly disposed so as to be alternately disposed.
Mitsubishi Electric Corporation

Broadband rectenna

A rectenna for high efficiency rf-to-dc wireless energy harvesting that includes an off-center-fed dipole antenna and a rectifying circuit, wherein the rectifying circuit comprises at least one rectifying diode. The input impedance of the antenna may be directly conjugate matched to the impedance of the rectifying circuit over a wide range of frequencies and/or under different operating conditions.
Aeternum, Llc

Organic light-emitting diode (oled) encapsulation methods and oled encapsulation structure

The present disclosure relates to an oled encapsulation method and an oled encapsulation structure. The oled encapsulation method combines the frame glue encapsulation technology and the thin film encapsulation technology.
Shenzhen China Star Optoelectronics Technology Co., Ltd.

Light emitting diode and display device including the same

A light emitting diode includes a first electrode overlapping a second electrode, an emission layer between the first and second electrodes. A first hole injection layer and a second hole injection layer between the first electrode and the emission layer, and a first hole transporting layer between the first hole injection layer and the second hole injection layer.
Samsung Display Co., Ltd.

Light-emitting diode and manufacturing method thereof, light-emitting device

A light-emitting diode (led), a manufacturing method thereof and a light-emitting device are disclosed. The led includes a cathode, an anode and a functional layer located between the cathode and the anode.
Boe Technology Group Co., Ltd.

Platinum(ii) complexes for oled applications

The current invention relates to novel platinum(ii) based organometallic materials. These materials show high emission quantum efficiencies and low self-quenching constant.
Versitech Limited

Organic light-emitting diode with high efficiency

The present disclosure relates to an organic light-emitting diode exhibiting high luminance efficiency, low-voltage operation, and long lifespan and, more particularly, to an organic light-emitting diode, comprising: a first electrode; a second electrode facing the first electrode; and a light-emitting layer and an electron density control layer sequentially arranged between the first electrode and the second electrode wherein the light-emitting layer includes at least one of the amine compounds represented by chemical formula a or b and the electron density control layer includes at least one of the compounds represented by chemical formulas f to h. The structures of chemical formulas a, b, and f to h are as described in the specification..
Sfc Co., Ltd.

Diode with an improved electric current injection

A diode including a vertical stack of first and second semiconductor regions having opposite conductivity types, and a first electrode for biasing its first region arranged in a trench extending from the surface of the second region opposite to the first region, the first electrode including, in top view, the following conductive elements: a polygonal ring; for each vertex of the polygonal ring, a first rectilinear bar extending between the vertex and the center of the ring, substantially along a direction running from the vertex to the center of the ring; and for each first bar, a plurality of second rectilinear bars extending from the first bar substantially parallel to the sides of the ring, starting from the vertex forming the origin of the first bar.. .
Commissariat à I'Énegie Atomique Et Aux Énergies Alternatives

Light emitting diode apparatus and manufacturing method thereof

A light emitting diode (led) apparatus is provided. The led apparatus includes a light emitting diode, a light conversion layer stacked on the light emitting diode and configured to convert a wavelength of light incident from the light emitting diode, a reflection coating layer stacked on the light conversion layer and configured to pass the light of which the wavelength is converted in light incident from the light conversion layer therethrough and reflecting the other light, and a color filter stacked on the reflection coating layer and configured to correspond to the light conversion layer..
Samsung Electronics Co., Ltd.

Optically isolated photodiode for high sensitivity application

An integrated silicon-based photo-detection system, fabricated in an integrated silicon based structure on a silicon-on-insulator (soi) wafer, includes a photodiode fabricated on an isolated area surrounded by a light barrier, where the light barrier is an area where the soi wafer is removed, an optical waveguide that guides an input signal light into the photodiode, and external electrical traces that the free electron carriers flow into as photocurrent. A method of fabricating an integrated silicon-based photo-detection system in an integrated silicon based structure on a silicon-on-insulator (soi) wafer, includes performing deep etching to create a light barrier surrounding an isolated area on the soi wafer, fabricating a photodiode in the isolated area surrounded by the light barrier, fabricating an optical waveguide that guides an input signal light into the photodiode, and wirebonding external electrical traces to connect to the remainder of the integrated silicon based structure..
Ciena Corporation

Semiconductor diode and electronic circuit arrangement herewith

A semiconductor diode includes a semiconductor body, having a first main area formed from an inner area, on which a first contact layer is arranged, and from an edge area, a current path from the first contact layer to a second contact layer arranged on a second main area situated opposite the first main area, wherein the semiconductor diode, by virtue of the configuration of the first contact layer or of the semiconductor body, is formed such that upon current flow, such current flows through a current path having the greatest heating per unit volume, and which proceeds from a further partial area of the inner area, wherein the further partial area is arranged on the other side of a boundary of an inner partial area of the inner area, said inner partial area preferably being arranged centrally, with respect to an outer partial area adjoining said inner partial area.. .
Semikron Elektronik Gmbh & Co. Kg

Monolithic assembly led displays and making thereof

A monolithic light emitting diode (led) micro-display contains one or more modular led arrays. The led array uses quantum dot light conversion technology or organic light emitting diode (oled).
Sct Technology, Ltd.

Device comprising a plurality of diodes

A device including a plurality of interconnected concentric coplanar diodes.. .
Commissariat à L'Énergie Atomique Et Aux Énergies Alternatives

Germanium-silicon light sensing apparatus ii

A circuit that includes: a photodiode configured to absorb photons and to generate photo-carriers from the absorbed photons; a first mosfet transistor that includes: a first channel terminal coupled to a first terminal of the photodiode and configured to collect a portion of the photo-carriers generated by the photodiode; a second channel terminal; and a gate terminal coupled to a first control voltage source; a first readout circuit configured to output a first readout voltage; a second readout circuit configured to output a second readout voltage; and a current-steering circuit configured to steer the photo-carriers generated by the photodiode to one or both of the first readout circuit and the second readout circuit.. .
Artilux Corporation

Germanium-silicon light sensing apparatus ii

An optical apparatus that includes: a semiconductor substrate formed from a first material, the semiconductor substrate including a first n-doped region; and a photodiode supported by the semiconductor substrate, the photodiode including an absorption region configured to absorb photons and to generate photo-carriers from the absorbed photons, the absorption region being formed from a second material different than the first material and including: a first p-doped region; and a second n-doped region coupled to the first n-doped region, wherein a second doping concentration of the second n-doped region is less than or substantially equal to a first doping concentration of the first n-doped region.. .
Artilux Corporation

Display apparatus and manufacturing the same

A display apparatus and a method of manufacturing the same. The display apparatus includes a circuit board; and a plurality of pixels formed on the circuit board, wherein at least one of a blue light emitting diode chip, a red light emitting diode part, and a green light emitting diode chip is disposed in each of the pixels, and the blue light emitting diode chip, the red light emitting diode part and the green light emitting diode chip are covered by a coupling structure..
Seoul Semiconductor Co., Ltd.

Semiconductor device

A first diode having a front surface anode region is mounted on a p pattern, and a second diode having a front surface cathode region is mounted on an n pattern. At this time, the first diode and the second diode are formed such that a cathode region of a front surface anode region in a first vertical relationship and an anode region of a front surface cathode region in a second vertical relationship are always located as upper portions.
Mitsubishi Electric Corporation

Thermal management of laser diode mode hopping for heat assisted media recording

A method and apparatus provide for determining a temperature at a junction of a laser diode when the laser diode is operated in a lasing state that facilitates heat-assisted magnetic recording, comparing the junction temperature and an injection current supplied during the lasing state to stored combinations of junction temperature and injection current, and determining a likelihood of mode hopping occurring for the laser diode during the lasing state based on the comparison to stored combinations of junction temperature and injection current.. .
Seagate Technology Llc

Semiconductor device, and display device and electronic device utilizing the same

A semiconductor device having a normal function means is provided, in which the amplitude of an output signal is prevented from being decreased even when a digital circuit using transistors having one conductivity is employed. By turning off a diode-connected transistor 101, the gate terminal of a first transistor 102 is brought into a floating state.
Semiconductor Energy Laboratory Co., Ltd.

Pixel driving system of amoled and driving pixel of amoled

The present application provides a pixel driving system of amoled and a pixel driving method of amoled. The pixel driving system of amoled includes a pixel driving circuit of a 4t1c architecture, and an initialization voltage supply module electrically connected to the pixel driving circuit, by providing a high level of an initialization signal from the initialization voltage supply module at the light emission stage in the pixel driving circuit to effectively compensate the threshold voltage of the driving thin film transistor, so that the current flowing through the organic light emitting diode is stabilized while reducing the leakage current of the gate and the source of the driving thin film transistor in the light emission stage, the stability of the compensation data in the light emission stage, to enhance the compensation effect..
Shenzhen China Star Optoelectronics Technology Co., Ltd.

Amoled pixel driving circuit and amoled pixel driving method

The present invention provides an amoled pixel driving circuit and an amoled pixel driving method. The amoled pixel driving circuit utilizes the 6t1c structure pixel driving circuit with a specific drive timing and can effectively compensate the threshold voltage of the drive thin film transistor and can stabilize the current flowing through the organic light emitting diode to ensure the uniform brightness of the organic light emitting diode and improve the display effect of the pictures.
Shenzhen China Star Optoelectronics Technology Co., Ltd

Organic light emitting diode display device

An organic light emitting display device includes a step difference compensation pattern that may reduce imbalance or asymmetry below a pixel electrode. The step difference compensation pattern is on a first protection layer and is separated from a conductive line.
Samsung Display Co., Ltd.

Dc-dc converter and display device having the same

A dc-dc converter includes: a first converter including a pass transistor coupled between the first node and a first output, and a body diode connected in parallel to the pass transistor; a sensor coupled between both ends of the pass transistor and which detects a driving current; and a second converter which outputs a second power voltage lower than the first power voltage to a second output. The second converter includes a master inverting converter which outputs the second power voltage independently of the driving current, a slave inverting converter which outputs the second power voltage when the driving current is greater than a predetermined threshold or when the input power voltage is greater than a predetermined boosting voltage limit, and an inverting converter controller which controls operations of the master and slave inverting converters in first and second drive modes based on the driving current and the input power voltage..
Samsung Display Co., Ltd.

Electronic device display structures

An electronic device may have a housing in which a display is mounted. A gasket may be mounted in a groove between the display and housing.
Apple Inc.

Image display device

A video display device includes a liquid crystal display panel, and a plurality of light source substrates configured to illuminate the liquid crystal display panel from a rear side of the liquid crystal display panel. Each of the plurality of light source substrates includes a signal input connector that receives a control signal, a plurality of light emitting diodes each of which is provided in correspondence with a corresponding one of areas different from each other in the liquid crystal display panel, a driver element that drives each of the plurality of light emitting diodes in accordance with the control signal such that each of the plurality of light emitting diodes emits light with luminance corresponding to brightness of the corresponding area of an image, and a signal output connector that through-outputs the control signal.
Panasonic Intellectual Property Management Co., Ltd.

Lighting systems & devices including same

A lighting system is disclosed. The lighting system comprises at least one light source comprising a light emitting diode (led) and one or more phosphors optically coupled to the led to convert at least a portion of original light emitted by the led to provide a modified led light having a first predetermined spectral output, and an optical material that is optically coupled to at least a portion of a surface of a light guide plate and optically coupled to receive at least a portion of the modified led light and to convert at least a portion of the modified led light to at least one predetermined wavelength to provide modified light having a second predetermined spectral output, wherein the optical material comprises one or more types of quantum confined semiconductor nanoparticle.
Samsung Electronics Co., Ltd.

X-ray sensor and pixel circuit of x-ray sensor

A pixel circuit of an x-ray sensor includes a photo diode, a first transistor, a second transistor and a third transistor. The photo diode is used to sense x-rays and to generate a corresponding electrical sensing signal.
Innolux Corporation

High resolution, high frame rate, low power image sensor

An apparatus and method for determining a distance to an object using a binary, event-based image sensor. In one aspect, the image sensor includes memory circuitry and address decode circuitry.
Samsung Electronics Co., Ltd.

Multiplexed multichannel photodetector

A light detection and ranging (lidar) system can emit light toward an environment and detect responsively reflected light to determine a distance to one or more points in the environment. The reflected light can be detected by a plurality of plurality of photodiodes that are reverse-biased using a high voltage.
Waymo Llc

Alternating current load detection circuit

An alternating current load detection circuit comprises a first resistor connected in parallel to a load circuit, a diode full bridge circuit connected in series to the load circuit, a filter capacitor connected in parallel to the diode full bridge circuit, a second resistor, and a photoelectric coupler connected in series to the diode full bridge circuit. The photoelectric coupler and the diode full bridge circuit are connected in parallel to the second resistor.
Tyco Electronics (shanghai) Co. Ltd.

Detector for an optical detection of at least one object

Disclosed herein is a detector (110) for an optical detection of at least one object (112) the detector (110) including: (a) at least one longitudinal optical sensor (114) having at least one sensor region (130), the longitudinal optical sensor (114) containing at least one photodiode (134) the photodiode (134) having at least two electrodes (166, 174), wherein at least one photoactive layer (180) containing at least one electron donor material and at least one electron acceptor material is embedded between the electrodes (166, 174); and (b) at least one evaluation device (150) designed to generate at least one item of information on a longitudinal position of the object (112) by evaluating the longitudinal sensor signal. The detector (110) is efficient for accurately determining of a position of at least one object (112) in space, and exhibits an fip effect with an improved signal-to-noise ratio..
Trinamix Gmbh

Uniformly luminous fan shield structure and fan having the same

A uniformly luminous fan shield structure includes a light-transparent cover (10) and a light emitting diode (led) module (30). The light-transparent cover (10) includes a central area (11) and a ring (12) around the central area (11).
Silverstone Technology Co., Ltd.

Illuminating tweezers

An illuminating tweezers for grasping and manipulating small articles includes a single light emitting diode (led) and powering battery located in an upper centrally-located barrel end of a monolithic body made of a light transmissive polymer. A beam-splitter lens molded into the body splits a single beam of light emitted by the led into a pair of beams which are directed into upper ends of a pair of elastically bendable arms that depend downwardly from opposed longitudinal sides of the barrel.

Multi-functional rechargeable lighting apparatus

A portable and rechargeable lighting apparatus includes an elongated housing having a radially-central cavity extending longitudinally along the elongated housing; one or more light emitting diodes (leds) affixed to a surface of the elongated housing and operable to emit light; one or more rods operable to extend coaxially from the radially-central cavity; one or more hooks coupled to distal ends of the respective one or more rods; and a battery operable to power the one or more leds.. .

Multi-functional detachable lighting apparatus and systems

A portable lighting apparatus includes an elongated housing having a radially-central cavity extending longitudinally along the elongated housing; one or more rods operable to extend coaxially from the radially-central cavity; one or more hooks coupled to distal ends of the respective one or more rods; one or more clips secured to the elongated housing; and a detachable lighting apparatus removably secured to the one or more clips, the detachable lighting apparatus being substantially cylindrical in shape, wherein the detachable lighting apparatus includes one or more light emitting diodes (leds) affixed to a surface of the detachable lighting apparatus and operable to emit light.. .

Light source with tunable emission spectrum

A lighting system according to embodiments of the invention includes first and second light emitting diodes. The first and second light emitting diodes have different peak wavelengths and emit light of the same color.
Koninklijke Philips N.v.

Semiconductor retrofit lamp with improved emi characteristics

A lighting device has a housing, a light engine located in the housing with a printed circuit board (pcb) and one or more light emitting diodes (leds) arranged on the pcb, and an electronic driver for controlling the leds. The electronic driver includes a first driver part located at a first position in the housing and a second driver part located at a second position in the housing, the first driver part is electrically connected to the second driver part via a pair of electrically conductive traces on the pcb.
Ledvance Gmbh

High-bay light-emitting diode (led) light fixture

A high-bay light-emitting diode (led) light fixture including, a driver chamber assembly and an led assembly. The driver chamber assembly further includes a driver chamber body that houses a driver module and/or a controller module, and a receiver portion.
Fintronx, Llc

Booster device for driving injector

Provided is a booster device for driving an injector which can suppress an insufficiency of a boost voltage applied to the injector even when the fuel injection interval is short. A boost driver (switching element) is connected to a boost coil in series and turns on/off the conduction of the boost coil.
Hitachi Automotive Systems, Ltd.

Stabilizing power supply voltage to a load during auto start

A circuit for compensating for low battery voltage available to power a load includes a power source, an inductor electrically coupled to the power source, a first switch configured to control current flow from the power source to the inductor, and a first diode connecting a first supply rail to the inductor. The circuit also includes a second switch configured to electrically connect the anode of a second diode to the inductor, with the cathode of the second diode connected to a second supply rail.
Gm Global Technology Operations Llc

Antenna matching device for dual-frequency tire pressure detector

An antenna matching device for a dual-frequency tire pressure detector includes: a microcontroller having a control pin; a dual-frequency signal unit controlled by the microcontroller to which one of two different frequency signals to generate; and a matching unit having an input end, two external pins, and an output end, the input end being electrically connected to the dual-frequency signal unit to receive the frequency signals from the dual-frequency signal unit, the external pins being electrically connected to two ends of a diode, respectively, with the control pin electrically connected to one of the external pins, and the output end being electrically connected to an antenna, wherein the matching unit provides two impedances between the input end and the output end so that the microcontroller controls an operating state of the diode according to whether the control pin is grounded, thereby switching between the impedances of the matching unit.. .
Cub Elecparts Inc.

Mounting device

The invention relates to a mounting device for the simultaneous welding of a plurality of sensor holders along a horizontal line of a bumper. Said mounting device can be adapted to different dimensions of bumpers and has one or two freely radiating diode lasers for each sensor holder.
Jenoptik Automatisierungstechnik Gmbh

Malleable retractor

Embodiments of claimed subject matter are directed to a malleable and integrally illuminated surgical retractor. In an embodiment, a malleable steel strip, having a thickness approximately in the range of 0.5-1.0 mm, may form a substrate.
Illumix Surgical Canada Inc.

Arrayed waveguide grating (awg)-based raman spectroscopy for glucose monitoring

Various embodiments of the invention provide systems and methods for low-cost, low-power array waveguide grating (awg)-based miniaturized raman spectroscopy for use in non-invasive glucose monitoring systems, such as in wearable devices that require no replenishment of chemicals or enzymes. The awg may be manufactured using vlsi processing technology, which significantly reduces manufacturing cost and replaces holographic grating as the dispersive component of light.

Controllable power and lighting arrangement

There is provided herein controllable power and lighting arrangement suitable for use in commercial and/or domestic applications. There is particularly provided a method for the arrangement and automatic control of light emitting diode (led) lights, and optionally non-led based devices, powered by low voltage ac power distributed on bus bars.
Intelligent Growth Solutions Limited

Method and increasing luminous intensity of an ultraviolet light emitting diode

A method for increasing the luminous intensity of an ultraviolet light emitting diode includes heating an ultraviolet light emitting diode to a working temperature, and supplying electricity to the ultraviolet light emitting diode at the working temperature to make the ultraviolet light emitting diode emit ultraviolet light. An apparatus for increasing the luminous intensity of an ultraviolet light emitting diode includes a substrate, an ultraviolet light emitting diode mounted on the substrate, an electric heater mounted on the substrate, a temperature sensor, and a controller electrically connected to the ultraviolet light emitting diode, the electric heater, and the temperature sensor.
National Sun Yat-sen University

Solid state light fixtures having variable current dimming and related driver circuits and methods

A solid state light fixture includes a light emitting diode (led) load and a driver circuit that is configured to supply a drive current to the led load. The driver circuit may include a current supply module that is configured to reduce a drive current level during dimming of the solid state light fixture, where the current supply module is configured to operate in both a continuous conduction mode at a first dimming level and a discontinuous conduction mode at a second dimming level that is lower than the first dimming level..
Cree, Inc.

Optoelectronic circuit with light-emitting diodes

An optoelectronic circuit for receiving a variable voltage containing alternating increasing and decreasing phases. The optoelectronic circuit includes assemblies of light-emitting diodes mounted in series; a current source connected to each assembly by a switch; for each switch, a first comparison module for comparing the current passing through the switch with a current threshold; a second comparison module for comparing a voltage representing the voltage at the terminals of the current source with a voltage threshold; and a control module connected to the first and second comparison modules and designed to control the opening and closing of the switches, during each increasing phase and each decreasing phase, according to signals supplied by the first and second comparison modules..
Easii Ic

Stacked image sensor pixel cell with selectable shutter modes and in-pixel cds

A pixel cell has a photodiode, a transfer transistor, a reset transistor, an amplifier transistor in a source follower configuration, and a readout circuit block. The photodiode, transfer transistor, reset transistor and source follower amplifier are disposed within a first substrate of a first semiconductor chip for accumulating an image charge in response to light incident upon the photodiode.
Smartsens Technology (u.s.), Inc.

Multi-conversion gain pixel configurations

An image sensor may include an array of image pixels formed in rows and columns. Each image pixel in the array may include a photodiode and multiple signal readout paths connected to the photodiode.
Semiconductor Components Industries, Llc

Stacked image sensor pixel cell with selectable shutter modes and in-pixel cds

A pixel cell has a photodiode, a transfer transistor, a reset transistor, an amplifier transistor and a readout circuit block. The photodiode, transfer transistor, reset transistor and amplifier transistor are disposed within a first substrate of a first semiconductor chip for accumulating an image charge in response to light incident upon the photodiode and converting the image charge to an image signal.
Smartsens Technology (u.s.), Inc.

Stacked image sensor pixel cell with in-pixel vertical channel transfer transistor and reflective structure

A pixel cell has a photodiode, a readout circuit, a vertical transfer transistor and a reflective structure. The photodiode is disposed within a first substrate of a first semiconductor chip for accumulating an image charge in response to light incident upon the photodiode.
Smartsens Technology (u.s.), Inc.

Pixel circuit with constant voltage biased photodiode and related imaging method

An example imaging system includes a plurality of pixel circuits each having a photodiode, a biasing circuit and a charge-to-voltage converter. The photodiode is configured to generate charges in response to light or radiation.
Varex Imaging Corporation

Stacked image sensor pixel cell with dynamic range enhancement and selectable shutter modes and in-pixel cds

A pixel cell has a photodiode, a transfer transistor, a reset transistor, a dynamic range enhancement capacitor, a capacitor control transistor, an amplifier transistor in a source follower configuration and a rolling shutter row select transistor and a readout circuit block. The photodiode, a transfer transistor, a reset transistor, dynamic range enhancement capacitor, capacitor control transistor, amplifier transistor and rolling shutter row select transistor are disposed within a first substrate of a first semiconductor chip for accumulating an image charge in response to light incident upon the photodiode.
Smartsens Technology (u.s.), Inc.

Stacked image sensor pixel cell with selectable shutter modes and in-pixel cds

A pixel cell has a photodiode, a transfer transistor, and a readout circuit block. The photodiode, transfer transistor, and reset transistor are disposed within a first substrate of a first semiconductor chip for accumulating an image charge in response to light incident upon the photodiode.
Smartsens Technology (u.s.), Inc.

Ultra-wideband, free space optical communication apparatus

Devices, systems, and methods for providing wireless personal area networks (pans) and local area networks (lans) using visible and near-visible optical spectrum. Various constructions and material selections are provided herein.
Lumeova, Inc.

Electronic switch, and corresponding device and method

A high-voltage electronic switch includes first and second transistors defining a current flow path between an input and output of the switch. The transistors have a common point of the current flow path and a common control terminal.
Stmicroelectronics S.r.l.

Vco tuning range extension using parasitic diode capacitance control

Embodiments of methods and apparatuses may provide the capability to extend the tuning range of a vco in a way that does not degrade vco circuit performance. For example, the parasitic capacitance of semiconductor devices in the vco circuit may be utilized to extend the tuning range of a vco without significant degradation of vco circuit performance.
International Business Machines Corporation

Power converter and control thereof

A flyback power converter includes a hybrid clamp circuit and a corresponding power management unit that substantially optimizes the performance of the flyback power converter in its entire line and load ranges. The clamp circuit, which is connected in parallel to a primary winding of the flyback transformer, includes a parallel combination of a capacitor and resistor that is connected in series with a parallel combination of a switch and a diode.
Delta Electronics, Inc.

Direct diode pumped ti:sapphire lasers and amplifiers

Direct diode-pumped ti:sapphire laser amplifiers use fiber-coupled laser diodes as pump beam sources. The pump beam may be polarized or non-polarized.
Km Labs Inc.

Led operational profiles for usb-c cable plugs

In example implementations, an apparatus includes a plurality of light emitting diodes (leds) and a controller. The controller is in communication with the plurality of leds, a sink device and a host device.
Hewlett-packard Development Company, L.p.

Electromagnetic time reversal focusing of near field waves in metamaterials

Selective focusing of electromagnetic energy via the electromagnetic time reversal in the near field of a metamaterial. The disclosure begins with fundamental mathematics, and then is extended to the experimental realm where focusing in space and time of the magnetic fields in the near field of a 1-dimensional metamaterial is shown.
Disney Enterprises, Inc.

Microstrip fano resonator switch

The microstrip fano resonator switch is a microstrip circuit having a varactor diode electrically connected between identical quarter-wavelength open stubs formed from two elongate planar strip elements disposed on a substrate having a permittivity of approximately 2.94 and a thickness of approximately 0.76 mm, the circuit forming a fano resonator switch that provides approximately 50 db of isolation.. .
United Arab Emirates University

Organic light emitting diode display device and manufacturing method thereof

An organic light emitting diode display device includes a first driving voltage line including a first portion extending in a first direction and a second portion having a larger width than the first portion in a second direction perpendicular to the first direction. The second portion overlaps a gate electrode of a driving thin film transistor, an interlayer insulating layer is between the second portion and the gate electrode of the driving thin film transistor..
Samsung Display Co., Ltd.

Organic light emission display device and encapsulation method therefor

An organic light emission display device and an encapsulation method therefor are provided. The organic light emission display device includes a base substrate, and an organic light emission diode, a barrier layer and an organic thin film encapsulation layer which are disposed on the base substrate.
Ordos Yuansheng Optoelectronics Co., Ltd.

Organic light emitting diode and manufacturing the same, and display device

The present disclosure provides an organic light emitting diode (oled) and a manufacturing method of the same, and a display device. The oled comprises a first portion and a second portion which are manufactured by different processes and sequentially stacked, wherein the first portion comprises a first carrier transport layer, a first light emitting layer, and a connecting layer between the first light emitting layer and the second portion, which are sequentially stacked, the second portion comprises a second carrier transport layer, the first light emitting layer comprises an n-type base material and a p-type base material, and the connecting layer comprises a material corresponding to carriers in the first carrier transport layer.
Boe Technology Group Co., Ltd.

Organic light emitting diode display device and fabricating the same

In an organic light emitting diode (oled) display device and a method for fabricating the same, oled pixels are patterned through a photolithography process, so a large area patterning can be performed and a fine pitch can be obtained, and an organic compound layer can be protected by forming a buffer layer of a metal oxide on an upper portion of the organic compound layer or patterning the organic compound layer by using a cathode as a mask, improving device efficiency. In addition, among red, green, and blue pixels, two pixels are patterned through a lift-off process and the other remaining one is deposited to be formed without patterning, the process can be simplified and efficiency can be increased..
Lg Display Co., Ltd.

Light emitting diode and light emitting device including the same

Disclosed herein is a light emitting device. The light emitting device is provided to include a light emitting structure, a first electrode pad, a second electrode pad and a heat dissipation pad, and a substrate on which the light emitting diode is mounted.
Seoul Viosys Co., Ltd.

Optoelectronic device having photodiodes for different wavelengths and process for making same

An optoelectronic device includes: a substrate made of a first material; a region in the substrate, the region being made of a second material different from the first material; an n-well in the region made of the second material; and a photo diode formed in the region by ion implantation. The second material for example is silicon germanium (si1-xgex) or silicon carbide (si1-ycy), wherein 0<x, y<1..
Pixart Imaging Incorporation

Organic light emitting display apparatus and manufacturing the same

An organic light emitting display (oled) device includes an organic light emitting diode having an anode and a cathode. The organic light emitting diode is configured to receive a reference voltage.
Samsung Display Co., Ltd.

Solid-state imaging device

A plurality of pixels are two-dimensionally arranged on a semiconductor substrate. Each of the pixels includes: two photodiodes each generating charge by photoelectric conversion; first and second memories spaced apart from each other between the two photodiodes as viewed in cross section; a first readout gate reading charge from the two photodiodes to the first memory; and a second readout gate reading charge from the two photodiodes to the second memory..
Towerjazz Panasonic Semiconductor Co., Ltd.

Three-dimensional vertical one-time-programmable memory comprising schottky diodes

The present invention discloses a three-dimensional vertical read-only memory (3d-otpv) comprising schottky diodes. It comprises a plurality of vertical otp strings formed side-by-side on a substrate circuit.
Chengdu Haicun Ip Technology Llc

Finfet esd device with schottky diode

A fin field effect transistor (finfet) esd device is disclosed. The device may include: a substrate; a silicon-controlled rectifier (scr) over the substrate, the scr including: a p-well region over the substrate; an n-well region laterally abutting the p-well region over the substrate; a first p+ doped region over the p-well region; a first n+ doped region over the p-well region; and a second n+ doped region over the p-well region; and a schottky diode electrically coupled to the n-well region, wherein the schottky diode spans the n-well region and the p-well region, and wherein the schottky diode controls electrostatic discharge (esd) between the second n+ doped region and the n-well region..
Globalfoundries Inc.

Semiconductor module

According to one embodiment, a semiconductor module includes a first circuit component, a first connection member, and a first wire. The first circuit component includes a first substrate, a first conductive layer, a first switching device, and a first diode.
Kabushiki Kaisha Toshiba

Micro light emitting diode display panel and repair method thereof

The present invention provides a micro light emitting diode display panel and a repair method thereof. The anode of the micro light emitting diode display panel is divided into a plurality of electrode plates which are spaced with one another.
Shenzhen China Star Optoelectronics Technology Co. Ltd.

Inorganic light-emitting-diode displays with multi-iled pixels

An inorganic light-emitting diode (iled) display comprises a separate, independent, and distinct display substrate having a display area. A plurality of spatially separated pixels are distributed on or over the display substrate in the display area.
X-celeprint Limited

System and electrical testing of through silicon vias (tsvs)

A substrate includes first and second semiconductor layers doped with opposite conductivity type in contact with each other at a pn junction to form a junction diode. At least one through silicon via structure, formed by a conductive region surrounded laterally by an insulating layer, extends completely through the first semiconductor layer and partially through the second semiconductor layer with a back end embedded in, and in physical and electrical contact with, the second semiconductor layer.
Stmicroelectronics S.r.l.

X-ray detector for phase contrast and/or dark-field imaging

The present invention relates to x-ray imaging. In order to reduce x-ray dose exposure during x-ray image acquisition, an x-ray detector is provided that is suitable for phase contrast and/or dark-field imaging.
Koninklijke Philips N.v.

Light source apparatus, image display apparatus and control light source apparatus

A light source apparatus includes: a light-emitting unit having a plurality of light-emitting diodes having mutually different light emission colors; a setting unit configured to seta drive mode; and a control unit configured to drive the light-emitting unit in such that each of the plurality of light-emitting diodes emits light periodically, by a drive method corresponding to the drive mode set by the setting unit, wherein in a case where the light-emitting unit is lit with a predetermined light emission brightness, in a light-emitting diode from among the plurality of light-emitting diodes, a drive current value during a lighting period is lower and a lighting period during one cycle is longer in a second drive mode than those in a first drive mode.. .
Canon Kabushiki Kaisha

Pixel and display device having the same

A pixel includes first to fourth transistors and a driving transistor. The first transistor is connected between a data line and a first node and has a gate electrode to receive a scan signal.
Samsung Display Co., Ltd.

Pixel and display device having the same

A pixel for a display panel includes first and second transistors, first and second capacitors, and an organic light emitting diode. The first transistor has a gate electrode connected to a first node, a first electrode connected to a first power source, and a second electrode connected to a second node.
Samsung Display Co., Ltd.

Pixel and display device having the same

A display panel driver drives pixels based on first power having at least three voltage levels, second power having a constant voltage, and third power having two voltage levels. Each pixel includes a first transistor connected between first and second nodes and including a gate electrode to receive a scan signal, a second transistor connected between the second node and a third node in series with the first transistor and including a gate electrode to receive the third power, and a driving transistor connected between a source of the first power and the third node and including a gate electrode connected to the first electrode to control a driving current for an organic light emitting diode.
Samsung Display Co., Ltd.

Pixel driving circuit and organic light-emitting display device

The disclosure provides a pixel driving circuit, including an organic light-emitting diode, a driving transistor driving the organic light-emitting diode, a first transistor controlled by a first scanning signal, a second transistor controlled by a second scanning signal, a first capacitor connected between a first node and a maintaining node, a second capacitor connected between the first node and a second node, a third capacitor connected between the maintaining node and the second node. The driving transistor includes a first node that forms a gate node, a second node connected to the organic light-emitting diode and a third node connected to a driving voltage line.
Shenzhen China Star Optoelectronics Technology Co., Ltd.

Electronic circuit and driving method, display panel, and display apparatus

An electronic circuit for driving an electronic component is disclosed. The electronic circuit includes a drive subcircuit, a first subcircuit, a second subcircuit, a third subcircuit, a fourth subcircuit, and a fifth subcircuit.
Boe Technology Group Co., Ltd.

Luminaire and lighting system, combining transparent lighting device and display coupled to output image via the transparent lighting device

Examples of a lighting and display type luminaire use relatively transparent lighting devices. In such a luminaire, a light transmissive element of the lighting device is coupled to an output of a display device.
Abl Ip Holding Llc

Pressure sensing display device

A pressure sensing architecture for use with liquid crystal (lc), organic light emitting diode (oled), electrophoretic, or other similarly fabricated displays. The described architecture includes a bottom tft structure and a top structure with color filter material, and with liquid crystal, electrophoretic or oled material provided in between.
Cambridge Touch Technologies Ltd.

Compositions and methods for forming a pixel-defining layer

A photoimageable composition for preparing a polymeric binder having of one or more of monomer unit copolymers, a photoactive compound, and one or more organometallic compounds is provided. The copolymers include one or more hydroxyl or carboxyl functional groups that react with the organometallic compound to form a crosslinked network upon curing.
Rohm And Haas Electronic Materials Llc

Hands-free spectrally-tunable smart loupe

An apparatus for illuminating an area is disclosed. The apparatus includes a frame and a spectrally-tunable lighting module comprising one or more light-emitting diodes.
Rancho El Toston, Llc

Laser diode reticle illumination

Provided is an illuminated reticle assembly for an optical aiming device. The assembly includes a reticle plate has a first surface on which a physical reticle pattern is applied.
Lightforce Usa, Inc., D/b/a/ Nightforce Optics

High-speed multi-channel optical transmitter module and fabricating the same

A high-speed multi-channel optical transmitter module includes a plurality of laser-diode (ld) components, a plurality of photo-diode (pd) components, an mt ferrule, and a waveguide component. These components are firstly packaged as sub-modules individually, and then these sub-modules are packaged to form the high-speed multi-channel optical transmitter module.
Truelight Corporation

Light projecting and receiving device, and laser radar device provided with same

A light source emits light having a thin shape in a cross section viewed in the beam direction of the light. A light receiver includes a plurality of avalanche photodiodes each having a light receiving face that receives reflected light.
Konica Minolta, Inc.

Orientation evaluation device, orientation evaluation method, and distribution evaluation device

An orientation evaluation device includes: a diode laser configured to periodically irradiate a sample with light to heat the sample, the sample being carbon fiber reinforced plastics; an infrared thermography configured to detect delay in response to a change in a temperature distribution of an area of the sample, the area including a spot heated by the diode laser; and a computer configured to output information on orientation of the sample based on the delay in the response detected by the infrared thermography. The orientation evaluation device enables a non-contact and quick evaluation of the orientation of the sample..
National University Corporation Nagoya University

Optical detection unit

An improved optical detection unit for an assay device, such as a lateral flow device, for the quantitative determination of the concentration of an analyte in a liquid sample, and an assay device comprising the same. The detection unit comprises an organic light emitting diode (oled) emitter that has an emission spectrum e within the wavelength range from λ1 to λ2, and an organic photodiode detector (opd) that has a light detection spectrum s within the wavelength range from λ1 to λ2.
Cambridge Display Technology Limited

Light device

A device is described that can include a first housing and a second housing. The first housing can encompass a first tact switch.

Passive headset with dynamically controlled leds

A method and system for a passive headset with dynamically controlled leds, where the method comprises, in a passive headset comprising speakers, light emitting diodes (leds), and led driver circuitry: receiving an electrical signal that includes an audio signal and an led control signal, filtering out the led control signal from the received electrical signal and communicating a resulting output audio signal to the speakers, filtering out the audio signal from the received electrical signal and communicating a resulting output led control signal to the led driver circuitry, generating a bias voltage for each of the one or more leds utilizing the led driver circuitry and the output led control signal, and configuring a light output of the led utilizing the generated bias voltage. The amplifier may include a mixer that sums an audio signal with a control signal..
Voyetra Turtle Beach, Inc.

Strut light system with integrated light source

A ceiling grid system formed of struts has a plurality of elongate insert light units. The grid system suspended from the ceiling and comprising a multiplicity of steel elongate channels (struts) arranged in the grid.
Walthill Opportunities L.l.c.

Lens protection for high intensity luminaires

A luminaire is provided that includes a light source comprising at least one light-emitting diode (led) and a coated lens. The coated lens includes a lens comprising a plastic material and a coating configured to reduce a susceptibility of the lens to scratching, to reduce a buildup of static electricity on the surface of the lens, and to reduce cracking of the lens coating from thermal cycling of the lens..
Robe Lighting S.r.o.

Led tube lamp

A light-emitting diode (led) tube lamp adapted to install on a lamp socket and configured to receive an external driving signal without the external driving signal passing through a ballast includes a lamp tube, two end caps, each having at least one external connection terminal, a rectifying circuit, for rectifying the external driving signal to produce a rectified signal; a filtering circuit, for filtering the rectified signal to produce a filtered signal; an led module, disposed on a power loop of the led tube lamp, coupled to the filtering circuit, and configured for emitting light; a driving circuit coupled between the rectifying circuit and the led module, and configured to drive the led module; a mode determination circuit coupled to the rectifying circuit and the driving circuit and configured to detect the voltage level of the rectified signal; a switch circuit; and an installation detection circuit coupled to the mode determination circuit, the switch circuit, and the rectifying circuit; and configured to detect an installation state between the led tube lamp and a lamp socket based on the voltage level of the rectified signal detected by the mode determination circuit.. .
Jiaxing Super Lighting Electric Appliance Co., Ltd

Synthesis of vertically aligned metal oxide nanostructures

Metal oxide nanostructure and methods of making metal oxide nanostructures are provided. The metal oxide nanostructures can be 1-dimensional nanostructures such as nanowires, nanofibers, or nanotubes.
King Abdullah University Of Science And Technology

Electrical load for a motor vehicle

An electrical load, for example and electrical component and/or an electronic component, of a motor vehicle may include a first electrical system part and a second electrical system part for supplying the electrical load with electrical energy from a first vehicle electrical system and a second vehicle electrical system, respectively. The first vehicle electrical system part may be electrically coupled to a diode element for transferring an activation signal to an electrical energy supply unit provided in the second electrical system part.
Mahle International Gmbh

Optical shaping apparatus

There is provided an optical shaping apparatus for readily implementing three-dimensional shaping with sufficiently high accuracy, including a material tank that has a bottom surface made of a light-transmitting material and accommodates a photo-curing liquid material, a light source unit that incorporates a driving mirror and scans the bottom surface with a laser beam, and a lifting mechanism that lifts a shaped object shaped by the laser beam from the material tank. The light source unit includes, as an optical engine, a housing, a laser diode that is arranged on one side in the housing and emits a laser beam, and the driving mirror that reflects reflected light from the laser diode by changing an angle in a vertical direction and a horizontal direction..
Kantatsu Co., Ltd.

Phototherapy hair and skin treatment

A wearable hands-free apparatus for providing phototherapy treatment for a number of facial skin and scalp conditions, as well as promotion of hair growth. The apparatus includes a base platform component that is structured to be worn on a user's head, such as an adjustably sizable headband, earphones or eyeglasses.
Apira Science, Inc.

Method for providing hands-free illumination during medical procedures

Methods and systems are disclosed including a method for providing hands-free illumination during medical procedures, comprising obtaining a sterile light system comprising a pad assembly comprising a pad having a first side having an adhesive and a second side opposite the first side, and a post with a proximal end connected to the second side of the pad and extending to a rounded distal end; and a light assembly attachable to and rotatable about the distal end of the post and comprising a case, one or more light emitting diode (led), one or more power source, and one or more switch; attaching the sterile light system to a patient to illuminate a desired area of the patient; and performing a medical and/or caregiving procedure for the desired area of the patient.. .

High tolerance auto-ranging ac led driver apparatus and methods

In some embodiments, a circuit is provided that includes (1) a plurality of light emitting diode (led) strings coupled to each other in series; (2) a power supply circuit coupled to a first led string of the plurality of led strings; (3) a feedback circuit coupled between a second led string of the plurality of led strings and the power supply circuit; and (4) a current steering circuit coupled to the first led string of the plurality of led strings and further coupled to the second led string of the plurality led strings. The current steering circuit includes a plurality of switchable conductive pathways..
Isine Inc.

Feedback capacitor and readout of hybrid bonded image sensors

A hybrid-bonded image sensor has a photodiode die with multiple macrocells; each macrocell has at least one photodiode and a coupling region. The coupling regions couple to a coupling region of a macrocell unit of a supporting circuitry die where they feed an input of an amplifier and a feedback capacitor.
Omnivision Technologies, Inc.

Two stage amplifier readout circuit in pixel level hybrid bond image sensors

A hybrid bonded image sensor has a photodiode die with macrocells having at least one photodiode and a bond contact; a supporting circuitry die with multiple supercells, each supercell having at least one macrocell unit having a bond contact coupled to the bond contact of a macrocell of the photodiode die. Each macrocell unit lies within a supercell and has a reset transistor adapted to reset photodiodes of the macrocell of the photodiode die.
Omnivision Technologies, Inc.

Low-noise high dynamic range image sensor

An image sensor includes a plurality of pixels each including a first photodiode linked to a capacitive readout node by a first transistor, and a second photodiode linked to a first capacitive storage node by a second transistor, the first capacitive node being linked to the readout node by a third transistor, and the readout node being linked to a node for applying a reset potential by a fourth transistor.. .
Stmicroelectronics (crolles 2) Sas

High dynamic range global shutter image sensors having high shutter efficiency

A global shutter image sensor may include an array of image sensor pixels. Each pixel may have a photodiode, a charge storage region, low light level circuitry and high light level circuitry.
Semiconductor Components Industries, Llc

System and determining vehicle position based upon light-based communication and time-of-flight measurements

A system and method for determining vehicle position uses light based communication (lbc) signals and a time-of-flight (tof) pulse. Each vehicle includes a lbc system having light emitting diodes (leds) and receiver photodiodes capable of sending and receiving pulsed light binary messages.
Osram Sylvania Inc.

Sparing configurations and protocols for parallel fiber optics

A transceiver can include a transmitter and a receiver. The transmitter can include: a primary laser emitter; a primary monitor photodiode optically coupled with the laser emitter; a spare laser emitter; and a transmitter integrated circuit having a primary channel operably coupled with the primary laser emitter; a spare channel operably coupled with the spare laser emitter; a switch on the primary channel; and a secondary channel operably coupled with the switch and the spare channel.
Finisar Corporation

Electronic device with a maintain power signature (mps) device and associated methods

An electronic device includes a rectifier bridge that includes an input configured to be coupled to power over ethernet (poe) power sourcing equipment (pse), and an output. A transistor is configured to selectively couple the output with a load.
Stmicroelectronics S.r.i.

Electron accelerator generator

The invention relates to an electron accelerator generator that comprises an electronic circuit powered by the electricity mains by means of a socket (1), two bridge rectifiers, a transformer (4), two electrolytic capacitors (7, 8), a bipolar transistor (9), a 110 v or 220 v zener diode (10), a 11000 ohm/10 w current limiting resistor for the zener made of metal oxide or wire (11), a 600 ohm/45 w wire resistor (12), a bank of six or more mega-capacitors connected in series of 20 to 1000 farads/18 v each (13), an moc 3012 photocoupler (14), two 4n25 photocouplers (15, 16), an lm 555 integrated circuit (17), a tic 226 triac or equivalent (18), an igbt module for 1000 v/200 a or greater (19), a 330 ohm/1 w metal-oxide resistor (20), a 220 ohm/1 w metal-oxide resistor (21), a 3300 ohm/1 w metal-oxide resistor (22), a 1000 ohm/1 w metal-oxide resistor (23), a 1000 ohm/1 w metal-oxide resistor (24), a 100 ohm/1 w metal-oxide resistor (25) connected to the lm 555 integrated circuit (17), in which this circuit as a whole supplies any external load, the power of which is greater than the input power of the generator.. .
Arion Tecnologia Brasil - GestÄo De Ativos S/a

Electric power supply system

An electric power supply system includes a charger, first and second high electric potential side lines, first and second diodes, a first battery and a first load, a second battery and a second load, a first switch, a second switch, and a control device. The control device is configured to switch the first switch to an open state and maintain the second switch in a close state when the first battery reaches a predetermined level or higher of a state of charge earlier than the second battery after the control device starts charging the first battery and the second battery..
Toyota Jidosha Kabushiki Kaisha

Method for control of optical intensity and extinction ratio of laser modulation in an optical transmitter

A system for controlling an optical intensity and modulation of an optical data transmitter which includes current driver circuitry configured to provide a drive current to a laser diode wherein said current comprises a fixed component and a modulated component, said modulated component having a magnitude related to an input data stream. The monitor circuitry contains a photodiode and a first transimpedance amplifier coupled to said photodiode, said monitor circuitry configured to provide an output signal related to an optical intensity of said laser diode.
Hilight Semiconductor Limited

Organic light emitting diode display device

An organic light emitting diode (oled) display may include: an oled configured to emit light of wavelength λ; an encapsulation layer encapsulating the oled, the encapsulation layer including: a first inorganic layer disposed on the oled, the first inorganic layer including: one or more first layers having a first refractive index (n1) and a first thickness substantially equal to λ/(4*n1); and one or more second layers having a second refractive index (n2) and a second thickness substantially equal to λ/(4*n2), wherein the second refractive index is smaller than the first refractive index, and wherein the one or more first layers and the one or more second layers are alternatingly stacked on one another.. .
Samsung Display Co., Ltd.

Organic light emitting diode device and manufacturing the same, array substrate, and display device

The present disclosure provides an oled device and a method for manufacturing the same, an array substrate and a display device. The oled device includes an anode and a cathode and a light emitting functional layer interposed between the anode and the cathode, wherein a photoinduced electron film layer is formed on a side of the cathode away from the light emitting functional layer, the photoinduced electron film layer is able to generate photoinduced electrons, and the photoinduced electrons are transferable from the photoinduced electron film layer to the cathode..
Boe Technology Group Co., Ltd.

Display substrate and display apparatus having the display substrate

A display substrate includes an organic light emitting diode disposed in a light-emitting area on a base substrate, a reflection electrode disposed in a reflection area on the base substrate, a transparent electrode disposed on the reflection electrode, and a reflection control layer disposed between the reflection electrode and the transparent electrode, and configured to control a reflectivity based on driving signals applied to the reflection electrode and the transparent electrode.. .
Samsung Display Co., Ltd.

Organic light-emitting diode component and organic light-emitting diode display

The present disclosure discloses an oled component, comprising: a substrate, a bottom electrode arranged on the substrate, a top electrode opposite to the bottom electrode, and the top electrode spaced apart from the bottom electrode; an organic electroluminescence element arranged between the bottom electrode and the top electrode; at least one buffer element disposed between the top electrode and the organic electroluminescence element, and/or between the bottom electrode and the organic electroluminescence element, wherein the buffer element is configured to enhance carrier balance and, electrons transport performance and holes transport performance. The present disclosure enhances the luminous efficiency by the way of disposing the buffer element which is configured to enhance carrier balance, a electrons transport performance and holes transport performance between the top electrode and the organic electroluminescence element, and/or between the bottom electrode and the organic electroluminescence element..
Shenzhen China Star Optoelectronics Technology Co., Ltd.

Fluorescent/phosphorescent mixed white organic light-emitting diode

Disclosed is a fluorescent/phosphorescent mixed white organic light-emitting diode, which has high efficiency and good spectral stability.. .
Shenzhen China Star Optoelectronics Technology Co., Ltd.

Flexible quantum dot light-emitting diode and manufacturing the same

Disclosed is a flexible quantum dot light-emitting diode, including a substrate, an anode layer, a hole-transporting layer, a quantum dot light-emitting layer, an electron-outputting layer, and a cathode layer, arranged from the bottom up. The anode layer is made of pedot:pss material.
Shenzhen China Star Optoelectronics Technology Co., Ltd.

Organic molecules having two non-conjugated bridges between a donor and an acceptor for effective thermally activated delayed fluorescence for use in optoelectronic devices

The invention relates to purely organic emitter molecules of a new type according to formula i and to the use thereof in optoelectronic devices, in particular in organic light-emitting diodes (oleds), comprising donor d: an aromatic or heteraromatic chemical group on which the homo is located and which optionally has at least one substitution; acceptor a: an aromatic or heteromatic chemical group on which the lumo is located and which optionally has at least one substitution; bridge b1, bridge b2: organic groups that link the donor d and the acceptor a in a non-conjugated manner; wherein in particular the energy difference Δe(s1−t1) between the lowest excited singlet (s1) state of the organic emitter molecule and the triplet (t1) state of the organic emitter molecule lying thereunder is less than 2000 cm−1.. .
Sichuan Knowledge Express Institute For Innovative Technologies So., Ltd

Micro led mixing cup

A light emitting structure including mixing cups are described. In an embodiment, a light emitting structure includes a light emitting diode (led) bonded to a substrate, a diffuser layer adjacent the led, an angular filter directly over the diffuser layer and the led, and an overcoat layer directly over the angular filter and the led..
Apple Inc.

Optoelectronic device comprising light-emitting diodes with improved light extraction

An optoelectronic device including a semiconductor substrate having a face, light-emitting diodes arranged on the face and including wired conical or frustoconical semiconductor elements, and an at least partially transparent dielectric layer covering the light-emitting diodes, the refractive index of the dielectric layer being between 1.6 et 1.8.. .
Aledia

Micro light-emitting diode display panel and manufacturing method thereof

The invention provides a micro led display panel and manufacturing method thereof, the micro led display panel comprising: a substrate (1), a plurality of micro leds (2) disposed on the substrate (1) and arranged in an array, a transparent encapsulation layer (3) covering the plurality of micro leds (2), and a quantum dot (qd) (4) layer disposed on the encapsulation layer (3). By adding the qd layer (4) on the encapsulation layer (3), the short wavelength light emitted by the micro leds (2) excites the qd layer (4) to emit light, so that the micro leds (2) and the qd layer (4) form the basic display units of the micro led display panel to expand the gamut of micro led display panel and improve display quality of the micro led display panel..
Shenzhen China Star Optoelectronics Technology Co. Ltd.

Light-emitting device having surface-modified luminophores

A light emitting device including a housing, a plurality of heat-sinks adjoined to the housing and insulated from each other, a bottom surface of the heat-sinks being exposed to the outside, a light emitting diode mounted on at least one of the heat-sinks via a conductive adhesive, and a molding member encapsulating the light emitting diode and including thermosetting resin, in which a fluoride luminophore including i and iv group elements with fluorine and other luminophore are dispersed in the molding member, and the luminophores are configured to absorb at least a portion of light emitted from the light emitting diode and emit light having a wavelength different from that of the absorbed light.. .
Litec-lp Gmbh

Fluidic assembly of emissive displays

Fluidic assembly methods are presented for the fabrication of emissive displays. An emissive substrate is provided with a top surface, and a first plurality of wells formed in the top surface.
Elux Inc.

Method for the fluidic assembly of emissive displays

Fluidic assembly methods are presented for the fabrication of emissive displays. An emissive substrate is provided with a top surface, and a first plurality of wells formed in the top surface.
Elux Inc.

Light emitting diode and light emitting diode package

A light emitting device of an embodiment comprises: a lower electrode; a light emitting structure disposed on the lower electrode and including a first conductive semiconductor layer, an active layer, and a second conductive semiconductor layer; an upper electrode pad disposed on the light emitting structure; at least one branch electrode connected to the upper electrode pad; and an upper ohmic layer disposed below the at least one branch electrode, wherein the upper electrode pad may include at least one connecting electrode connected to at least one branch electrode, and at least one connecting electrode may be integrally formed with the upper electrode pad and may project at certain intervals from a side surface of the upper electrode pad.. .
Lg Innotek Co., Ltd.

Light emitting diode chip having electrode pad

Disclosed herein is an led chip including electrode pads. The led chip includes a semiconductor stack including a first conductive type semiconductor layer, a second conductive type semiconductor layer on the first conductive type semiconductor layer, and an active layer interposed between the first conductive type semiconductor layer and the second conductive type semiconductor layer; a first electrode pad located on the second conductive type semiconductor layer opposite to the first conductive type semiconductor layer; a first electrode extension extending from the first electrode pad and connected to the first conductive type semiconductor layer; a second electrode pad electrically connected to the second conductive type semiconductor layer; and an insulation layer interposed between the first electrode pad and the second conductive type semiconductor layer.
Seoul Viosys Co., Ltd.

Ultraviolet light emitting diode and light emitting diode package

An embodiment relates to an ultraviolet light-emitting device, a method for manufacturing an ultraviolet light-emitting device, a light-emitting device package and an illumination apparatus. The ultraviolet light-emitting device includes a first conductive-type semiconductor layer; an active layer comprising a plurality of quantum walls and a plurality of quantum wells and disposed on the first conductive-type semiconductor layer; a second conductive-type first semiconductor layer disposed on the active layer; an electron blocking layer disposed between the active layer and the second conductive-type first semiconductor layer; and a second conductive-type second semiconductor layer disposed between the last quantum wall of the active layer and the electron blocking layer, wherein the second conductive-type second semiconductor layer includes a p-type alx1ga1-x1n layer (0≤x1≤1) and a p-type inyalx2ga1-y-x2n layer (0≤x2≤1, 0≤y≤1, 0≤x2+y≤1)..
Lg Innotek Co., Ltd.

Light-emitting diode substrate and manufacturing method thereof, and display device

A light-emitting diode substrate and a manufacturing method thereof, and a display device are provided. The manufacturing method of a light-emitting diode (led) substrate, including: disposing a supporting substrate supporting a plurality of led units to be opposed to a receiving substrate so that a side of the supporting substrate facing the receiving substrate supports the plurality of led units; and irradiating a side of the supporting substrate away from the receiving substrate with laser, stripping the led units from the supporting substrate, and transferring the led units onto the receiving substrate.
Boe Technology Group Co., Ltd.

Light emitting diode having improved quantum efficiency at low injection current

Provided is a light emitting semiconductor structure that operates as a light emitting diode (led). In embodiments of the invention, the light emitting semiconductor structure includes a first barrier region, a second barrier region, and a single quantum well having a preselected thickness between the first barrier region and the second barrier region.
International Business Machines Corporation

Low dark current, resonant cavity-enhanced infrared photodetectors

A resonant cavity-enhanced infrared photodetector has an absorber layer disposed between a first transparent layer and a second transparent layer within an optical cavity. The first transparent layer and the second transparent layer have a bandgap which is larger by at least 0.1 ev compared to the absorber layer.
University Of Rochester

Semiconductor device having multiple field stop layers

A semiconductor device of the present invention is structured such that in a surface layer of a first principal surface of a semiconductor substrate, an n-type drift layer, a p-type base layer, a p-type floating layer, an n-type emitter layer, an emitter electrode, and a trench in which a gate electrode is embedded with a gate insulating film is disposed therebetween are formed from a front surface side. Further, in a surface layer of a second principal surface of the semiconductor substrate, a p-type collector layer and a collector electrode contacting the-type collector layer are formed, and in a direction from the p-type collector layer toward a surface, an n-type selenium-doped field stop layer and an n-type proton doped field stop layer are formed, whereby igbt turn off oscillation, oscillation at diode reverse recovery, and increases in leak voltage can be suppressed, and electrical loss can be reduced..
Fuji Electric Co., Ltd.

Operation of double-base bipolar transistors with additional timing phases at switching transitions

Methods and systems for operating a double-base bidirectional power bipolar transistor. Two timing phases are used to transition into turn-off: one where each base is shorted to its nearest emitter/collector region, and a second one where negative drive is applied to the emitter-side base to reduce the minority carrier population in the bulk substrate.
Ideal Power Inc.

Amoled display device and array substrate thereof

An amoled display device and an array substrate thereof are disclosed. The array substrate of the amoled display device includes a baseplate, a surface-shaped power line, a point-shaped power line, and a plurality of insulating layers arranged between the surface-shaped power line and the point-shaped power line.
Shenzhen China Star Optoelectronics Technology Co., Ltd.

Organic light emitting diode display device

Disclosed is an organic light emitting diode (oled) display device including a substrate including a pixel region and a boundary region outside the pixel region. The pixel region comprises an area having a short side and a long side.
Lg Display Co., Ltd.

Color filter array on directly patterned amoled displays and fabrication

A method of fabricating an organic light emitting diode (oled) sub-pixel including providing an insulating structure upon which at least one color light emitter is directly patterned between an anode and cathode pair, the anode and cathode pair when energized being configured to cause the at least one color light emitter to radiate visible light in an emission spectrum, and patterning a color filter above the anode and cathode pair and over the corresponding at least one color light emitter. The radiated visible light in the emission spectrum from the at least one color light emitter is configured to pass through the color filter and radiate visible light in a filtered spectrum, the radiated visible light in the filtered spectrum being narrower in wavelength than radiated visible light in the emission spectrum..
Emagin Corporation

Image sensors employing sensitized semiconductor diodes

An image sensor device includes a semiconductor substrate, including an array of pixel circuits, which define respective pixels of the device. A photosensitive layer is formed over the semiconductor substrate and configured to transfer charge to the pixel circuits in response to light incident on the photosensitive layer.
Invisage Technologies, Inc.

Solid state imaging device

A plurality of pixels which are two-dimensionally arranged on a semiconductor substrate includes: a photodiode generating charge by photoelectric conversion; two readout gates each reading charge from the photodiode; and two memories each receiving the charge from the photodiode through an associated one of the two readout gates and temporarily retaining the charge received. Two of the pixels adjacent to each other in a row direction share one of the two readout gates..
Towerjazz Panasonic Semiconductor Co., Ltd.

Diode-triggered schottky silicon-controlled rectifier for fin-fet electrostatic discharge control

Various embodiments include fin-type field effect transistor (finfet) structures. In some cases, a finfet structure includes: a substrate; a silicon-controlled rectifier (scr) over the substrate, the scr including: a p-well region and an adjacent n-well region over the substrate; and a negatively charged fin over the p-well region; and a schottky diode electrically coupled with the scr, the schottky diode spanning between the p-well region and the n-well region, the schottky diode for controlling electrostatic discharge (esd) across the negatively charged fin and the n-well region..
Globalfoundries Inc.

Antifuse element using spacer breakdown

Techniques and circuitry are disclosed for efficiently implementing programmable memory array circuit architectures, including both non-volatile and volatile memories. The memory circuitry employs an antifuse scheme that includes an array of 1t bitcells, wherein each bitcell effectively contains one gate or transistor-like device that provides both an antifuse element and a selector device for that bitcell.
Intel Corporation

Compensation circuit and organic light emitting diode display device

A compensation circuit and an organic light emitting diode (oled) device are disclosed. The compensation circuit includes a driver switch for driving a load, a reset energy storage element coupled to a to-be-reset terminal of the driver switch; and a reset charging circuit coupled to the reset energy storage element.
Shenzhen China Star Optoelectronics Technology Co., Ltd.

Organic light-emitting diode display assembly and display device

An oled display assembly includes a dc-dc power source driver chip and an oled display panel. The dc-dc power source driver chip is provided with a soft-start circuit including a first time-delay circuit, a first anti-surge circuit and a second anti-surge circuit.
Ordos Yuansheng Optoelectronics Co., Ltd.

Organic light emitting diode (oled) pixel compensation circuits and oled devices

An oled pixel compensation circuit for driving oleds includes a demux and a plurality of sub-pixel compensation circuits. The demux includes a plurality of transistors, a number of the transistors is the same with the number of the sub-pixel compensation circuits, and each of the transistors is configured to provide a data voltage to the corresponding sub-pixel compensation circuit.
Wuhan China Star Optoelectronics Technology Co., Ltd.

Modeling diode clamped cascaded multi-level converter

A modeling method and system for a diode clamped cascaded multi-level converter. All corresponding diodes of each bridge arm are equivalent to an auxiliary diode; all corresponding capacitors of each bridge arm are equivalent to a controlled voltage source; and power modules of each bridge arm are connected in series to be equivalent to an equivalent module, the equivalent module comprising a loss resistor and a composite equivalent model connected to the loss resistor.
Electric Power Research Institute. China Southern

Two part cone display using flexible substrates

An organic light emitting diode (oled) display including a conic oled panel portion and a base oled panel portion. The conic oled panel portion includes peripheral display surfaces forming a truncated conic shape with an open base region around a center of the conic oled panel portion.
Oculus Vr, Llc

Display devices, systems and methods capable of single-sided, dual-sided, and transparent mixed reality applications

The display includes a transparent display (td) element or layer such as at least one transparent organic light emitting diode (toled) element and at least one active shutter (as) element or layer such as a liquid crystal shutter. The as may be opaque or transparent.

Spherical display using flexible substrates

An organic light emitting diode (oled) display including an oled panel having a series of gore shaped panel portions that form a quasi-spherical display surface. Each gore shaped panel portion includes a middle portion, a first end portion, and a second end portion.
Oculus Vr, Llc

Apparatus and range measurement

An apparatus and a method. The apparatus includes a single-photon avalanche diode (spad) circuit configured to detect a photon, including a first input for receiving a first voltage (vspad), a second input for receiving a first signal (shutter), a third input for receiving a second voltage (vdd), and an output; a logic circuit configured to latch the detected photon, including a first input connected to the output of the spad circuit, a second input for receiving a second signal (txrmd), and an output; and a pinned photo diode (ppd) circuit configured to record a time of flight (tof) of the detected photon, including a first input connected to the output of the logic circuit, a second input for receiving a third signal (vtx), a third input for receiving a fourth signal (rst), a fourth input for receiving a third voltage (vpix), a fifth input for receiving a fifth signal (sel), and an output..
Samsung Electronics Co., Ltd.

System and determining vehicle position based upon light-based communication using signal-to-noise ratio or received signal strength indicator

A system and method for determining vehicle position uses light based communication (lbc) signals and a received signal strength indicator (rssi) to determine the vehicle position. Each vehicle includes a lbc system having an array of transmitting light emitting diodes (leds) and an array of receiver photodiodes for transmitting and receiving pulsed light binary messages.
Osram Sylvania Inc.

Systems and methods for genome mapping

A system for molecular mapping includes a semiconductor substrate defining a reservoir to receive a sample of molecules and a nanofluidic channel in fluid communication with the reservoir. The system also includes a plurality of electrodes, in electrical communication with the nanofluidic channel, to electrophoretically trap the sample of molecules in the nanofluidic channel.
Massachusetts Institute Of Technology

Forward scatter in particulate matter sensor

Embodiments relate generally to systems and methods for detecting particulate matter in the air. A particulate matter sensor may comprise an airflow channel; a light source configured to pass light through the airflow channel; an airflow generator configured to generate airflow into the airflow channel; a waveguide configured to direct light from the light source after it passes through the airflow channel and scatters off of particulate matter within the airflow channel; a photodiode configured to receive light scattered by the waveguide; and a computing device coupled to the photodiode having a processor and a memory storing instructions which, when executed by the processor, determines a mass concentration of particles in the airflow channel based on an output of the photodiode..
Honeywell International Inc.

Pathlight

Pathlights for illuminating paths, walkways, and other landscape and architectural features advantageously incorporate light emitting diodes (“leds”) as an illumination source, and a visor which both directs the light and dissipates heat generated by the leds.. .
Auroralight, Inc.

Optical system for managing light from a light emitting diode

An optical system includes an optic and a reflector. The optic has a rear surface with a cavity configured to receive light from a light source and a front surface opposite the rear surface, the front surface configured to emit light processed by the optic and the front surface including a centrally disposed convex region.
Cooper Technologies Company

Device with a light signalling function

A device with a light signaling function including a light-emitting diode designed to emit a first light signal in a first wavelength range in the blue or the ultraviolet, conversion device arranged for converting the first light signal emitted by the light-emitting diode in the first wavelength range into a second light signal in a second wavelength range, a cap arranged for filtering the second light signal with a view to obtaining a color included in a standard color space. The conversion device being chosen so the second wavelength range includes the normal color space..
Schneider Electric Industries Sas

Led retrofit lighting a light fixture

Provided is a light-emitting diode retrofit lighting apparatus for an existing light fixture that includes one or more lamp holders. The apparatus includes a base portion to be mounted to the light fixture, a light-emitting diode mounting part connected with the base portion and configured to receive a light-emitting diode lighting source, an adjustment portion to be received within the base portion and configured to adjust the apparatus in a vertical direction, and at least one sliding mechanism configured to be mounted on and slide along the adjustment portion to adjust the one or more lamp holders in a horizontal direction..
Ge Lighting Solutions, Llc

Light sources incorporating light emitting diodes

Taught herein are various light sources using light emitting diodes. A light source includes a housing, a connector configured for connection to an electrical socket and coupled to an end of the housing, at least one organic light emitting diode sheet mounted inside the housing and in electrical communication with the connector, and a power supply circuit for supplying electrical current to the at least one organic light emitting diode through the connector..
Ilumisys, Inc.

Organic ligand and preparation method thereof, quantum dot structure material, quantum-dot-containing layer, and light emitting diode

The present disclosure provides quantum dot organic ligand and preparation method thereof, quantum dot structure material, quantum-dot-containing layer, and quantum-dot-containing light emitting diode. The quantum dot organic ligand have the following structure r1-(r2)n-r3, wherein r1 is a chelating group capable of chelating with a metal; r2 is a group having a conjugated electron pair, and n is a positive integer; and r3 is organic group.
Boe Technology Group Co., Ltd.

Light emitting diode lamp assembly

A light emitting diode (led) lamp assembly includes a base including an electrical connector adapted to electrically engage a socket. A thermally conductive enclosure is coupled to the base, and a printed circuit board is disposed within the thermally conductive enclosure.
Honeywell International Inc.

Fault detection of a bypass diode in a variable voltage convert system

A vehicle powertrain includes a variable voltage converter, a bypass diode and a controller. The bypass diode may be coupled in parallel with the converter and configured to clamp an output of the converter to a battery voltage.
Ford Global Technologies, Llc

Additive manufacturing with high intensity light

In a method of making a three dimensional object from a polymerizable liquid by stereolithography including irradiating the liquid with light projected from a light source through or across a patterning array and through an optically transparent build plate to the polymerizable liquid, as improvement includes employing as the light source (i) at least one or a plurality of laser diode array(s) or (ii) a light-sustained plasma.. .
Carbon, Inc.

Urine output collection and monitoring system

Improved urine output collection apparatus and monitoring device features are provided. The disposable urine collection apparatus includes a collection reservoir and a diverter for controlling the flow of urine to a first passageway of the diverter in a first position and to a second passageway of the diverter in a second position, wherein the first passageway is fluidly interconnected to the collection reservoir.
Medivance Incorporated

Force and rotation sensing device and method

A force and rotation sensing device can be suitable for measuring a force within a knee joint. A force sensor can measure a force exerted between opposing surfaces of a housing.
Zimmer, Inc.

Apparatus for identifying a seat in a venue

An apparatus for identifying a seat in a venue is disclosed. The apparatus includes a cylindrical base having an open end and a sidewall defining a hollow interior in which a printed circuit board is supported.
Hunter Saucedo, Ltd.

Light emitting devices and light emitting bulbs including the same

Filament type light emitting devices are disclosed. One of the light emitting devices includes a non-conductive transparent substrate, one or more light emitting diode chips arrayed above the upper surface of the non-conductive transparent substrate and each including input and output ends extending toward the non-conductive transparent substrate, and conductive transparent connection portions formed on the upper surface of the non-conductive transparent substrate and electrically connected to the input and output ends.
Walters Gardens, Inc.

Depositing manufacturing organic light emitting diode display using the same

A deposition apparatus includes a deposition source containing a deposition material, the deposition source including a center area between two outer areas along a first direction, and a plurality of spray nozzles arranged on the center area of the deposition source along the first direction, the plurality of spray nozzles being configured to spray the deposition material toward a surface substrate, wherein the spray nozzles include first and second spray nozzles, the first spray nozzles having terminal ends thereof parallel to and facing the surface of the substrate, and the second spray nozzles having terminal ends thereof at an oblique angle with respect to the surface of the substrate.. .
Walters Gardens, Inc.

Method for operating an optoelectronic assembly and optoelectronic assembly

A method for operating an optoelectronic assembly which includes at least one component string having at least one section, wherein the section includes at least one light emitting diode element, is provided. According to the method, the section is supplied with electrical energy, the supply of the section with electrical energy is interrupted, an input of the section is electrically coupled to an output of the section, wherein the section is short-circuited via the electrical coupling of the input to the output, a maximum value of an electrical discharge current which flows via the section is detected, and the fact of whether the section of the component string has a short circuit is determined depending on the detected maximum value..
Osram Oled Gmbh

Image sensors with hybrid three-dimensional imaging

Image sensors may include hybrid three-dimensional imaging pixel groups. The pixel groups may be capable of obtaining both phase detection information and time-of-flight information.
Semiconductor Components Industries, Llc

Integrated video camera module

This application discloses a camera module that incorporates a camera portion, a wireless antenna, a wireless transceiver and one or more infrared light emitting diodes (ir leds). The camera portion is configured to capture video data.
Google Llc

Phase detection pixels with high speed readout

Phase detection pixel pairs may include first and second photodiodes covered by a single microlens. To decrease the readout time of the phase detection pixels, each phase detection pixel may have a respective floating diffusion region.
Semiconductor Components Industries, Llc

Schottky-cmos asynchronous logic cells

Integrated circuits described herein implement an x-input logic gate. The integrated circuit includes a plurality of schottky diodes that includes x schottky diodes and a plurality of source-follower transistors that includes x source-follower transistors.
Schottky Lsi, Inc.

Bidirectional integrated cmos switch

A bidirectional integrated cmos switch is provided which is capable of switching voltages beyond the range of the supply and ground potentials. The switch is composed of nmos and pmos transistors as the switch conductor path, a diode bridge, and control circuitry to turn the switch on and off by means of low voltage logic, regardless of the voltages on the switch terminals.
Telephonics Corporation

A multilevel converter with reduced ac fault handling rating

A multilevel converter converting between ac and dc includes a phase leg having a first and a second phase arm, the first phase arm being connected between a first pole having a first potential and a first ac terminal and the second phase arm being connected between the first ac terminal and a second potential, where the phase arms include half-bridge and full-bridge cells, where each cell includes at least one energy storage element for providing the voltage contribution and cell switching units with cell switches and anti-parallel diodes for controlling the voltage contribution, where the full-bridge cells include a bypass switch controllable to bypass the corresponding energy storage element, and when a phase-to-ground fault occurs the cell switches are blocked and the bypass switches activated with a delay in relation to the blocking.. .
Abb Schweiz Ag

Synchronous rectifier design for wireless power receiver

Synchronous rectifiers for wireless power receivers are disclosed herein. An example receiver includes: an antenna configured to receive power transmission waves; and a synchronous rectifier coupled to the antenna and configured to synchronously rectify an alternating current (ac) voltage of the power transmission waves to generate a direct current (dc) voltage, wherein the synchronous rectifier includes: a first diode configured to receive a first portion of the ac voltage that has a positive polarity; a second diode configured to receive a second portion of the ac voltage that has a negative polarity; a first transistor coupled with the first diode; a second transistor coupled with the second diode; and circuitry configured to introduce a timing delay between driving the first and second transistors.
Energous Corporation

Power conversion device

A power conversion device has a main switch connected to a positive electrode side line of a battery, at least one semiconductor power element connected between the main switch and a negative electrode voltage line, and an auxiliary circuit having an auxiliary switch, a resonance reactor and an auxiliary diode connected parallel to the main switch. The device further has a voltage detection part which detects an external side voltage of the main switch and a control circuit part performing a switching control of the main switch and the auxiliary switch based on the detection result of the voltage detection part.
Denso Corporation

Sintering apparatus, packaging system for organic light emitting diode device and sintering method

The application provides a sintering apparatus, a packaging system for an organic light emitting diode device and a sintering method, belongs to the technical field of organic light emitting diode device and can solve problems of long process time and high cost existed in the existing high temperature sintering process of organic light emitting diode device. The sintering apparatus comprises two sintering chambers capable of being communicated with each other, during operation, the substrate coated with glass cement is first placed into a sealed first sintering chamber to complete a first sintering process; then the substrate is placed into the second sintering chamber to complete a second sintering process.
Ordos Yuansheng Optoelectronics Co., Ltd.

Ultraviolet irradiation device for package of light-emitting diode

Disclosed is an ultraviolet irradiation device for package of a light-emitting diode. The ultraviolet irradiation device includes a sealed shell.
Wuhan China Star Optoelectronics Technology Co., Ltd.

Organic light emitting diode device and display apparatus

An organic light emitting diode device and a display apparatus are described. The organic light emitting diode device has: a glass substrate; a first electrode; an organic light emitting layer; a second electrode; and a light extracting enhanced layer below the glass substrate or on the second electrode.
Wuhan China Star Optoelectronics Technology Co., Ltd.

Organic light-emitting diode (oled) display and fabricating the same

An organic light-emitting diode (oled) display and method of fabricating the same are disclosed. In one aspect, the oled display includes a first substrate including a display area and a peripheral area surrounding the display area.
Samsung Display Co., Ltd.

Processes for improving efficiency of light emitting diodes

A process for improving the external quantum efficiency of a light emitting diode (led) is provided by exposing one or more components of an led, a partially assembled led, or a completely assembled led to an amount of hydrogen or hydrogen gas, or to an atmosphere containing higher quantities of hydrogen or hydrogen gas for a period of exposure time. Kits and processes for constructing a light emitting diode having an improved external quantum efficiency is further provided, which includes exposing one or more components of an led, a partially assembled led, or a completely assembled led to an amount of hydrogen or hydrogen gas, or to an atmosphere containing higher quantities of hydrogen or hydrogen gas for a period of exposure time..
Nanophotonica, Inc.

Thin film transistor

A thin film transistor includes a gate, an insulating medium layer and a schottky diode. The schottky diode includes a first electrode, a second electrode and a semiconducting structure.
Hon Hai Precision Industry Co., Ltd.

Thin film transistor

A thin film transistor includes a gate electrode, a insulating medium layer and at least one schottky diode unit. The at least one schottky diode unit is located on a surface of the insulating medium layer.
Hon Hai Precision Industry Co., Ltd.

Schottky diode

A schottky diode includes a first electrode, a second electrode and a semiconducting structure. The first electrode includes a first metal layer and a second metal layer.
Hon Hai Precision Industry Co., Ltd.

Schottky diode

A schottky diode includes an insulating substrate and at least one schottky diode unit. The at least one schottky diode unit is located on a surface of the insulating substrate.
Hon Hai Precision Industry Co., Ltd.

Iridium complex and organic light-emitting diode using the same

An iridium complex and an oled using the same are provided. The iridium complex is represented by general formula (i).
National Tsing Hua University

Luminescent palladium(0) and platinum(0) carbene complexes for oleds

A light-emitting device includes an organometallic complex of the form z-m-z1, as light emitting material. M is pd(0) or pt(0) and z is a nitrogen containing heterocyclic carbene ligand.
University Court Of The University Of St Andrews

Organic light-emitting diode materials

Described herin are molecules for use in organic light emitting diodes. Example molecules comprise at least one acceptor moiety a, at least one donor moiety d, and optionally one or more bridge moieties b.
President And Fellows Of Harvard College

Light-emitting diode device

A light-emitting element, includes a first edge, a second edge, a third edge and a fourth edge; a substrate; a semiconductor stack formed on the substrate, including a first semiconductor layer, a second semiconductor layer and an active layer formed therebetween; a transparent conductive layer, formed on the second semiconductor layer; a first electrode formed on the first semiconductor layer, including a first pad electrode and a first finger electrode extending from the first pad electrode; and a second electrode formed on the first second semiconductor layer, including a second pad electrode and a second finger electrode extending from the second pad electrode; wherein the first finger electrode is disposed at and along the first edge; and wherein in top view, an overlapping portions of the first finger electrode and the second finger electrode are non-parallel.. .
Epistar Corporation

Light-emitting diode and manufacturing method therefor

A light-emitting diode and a manufacturing method therefor are disclosed. The light-emitting diode comprises: a first conductive semiconductor layer; at least two light-emitting units arranged by being spaced from each other on the first conductive semiconductor layer, respectively including an active layer and a second conductive semiconductor layer, and including one or more contact holes through which the first conductive semiconductor layer is partially exposed; an additional contact area located between the light-emitting units; a second electrode making ohmic contact with the second conductive semiconductor layer; a lower insulation layer; and a first electrode making ohmic contact with the first conductive semiconductor layer through the contact holes of each of the light-emitting units and the additional contact area..
Seoul Viosys Co., Ltd.

Flip chip light emitting diode and manufacturing the same

A flip chip light emitting diode includes a semiconductor layer comprising an epitaxial layer an n-semiconductor layer, a light active layer and a p-semiconductor layer arranged from top to bottom in series. A first electrode mounted on the semiconductor layer.
Innolux Display Corp.

Flip chip type light-emitting diode and manufacturing the same

In a flip chip type light-emitting diode, a light-emitting diode structure possesses one unique layer with properties of both thermal conduction and electrical isolation disposed on its second contact metal layer. A first dielectric layer covers the light-emitting diode structure.
Duo Power Lighting Technology

Light emitting diode structure, light emitting diode device and the manufacturing method thereof

A method for manufacturing a light emitting diode structure uses a removable prefilled layer to attach the flip-type chip on a temporary substrate. A growth substrate of the flip-type chip is removed by laser lift-off, and then the light emitting diode structure is attached to a transparent support body.
Lite-on Technology Corporation

Light emitting diode with displaced p-type doping

Light emitting diodes re described. In an embodiment, an led includes a graded p-side spacer layer on a p-type confinement layer, and the graded p-side spacer layer graded from an initial band gap adjacent the p-type confinement layer to a lower band gap.
Apple Inc.

Micro light emitting diode and forming the same

The present disclosure proposes a micro led and a method of forming the same. After a body of layers to structure a pn junction is formed sequentially on the outer wall of a buffer layer column, a first electrode is formed on the outer side of the body of layers that structured the pn junction.
Wuhan China Star Optoelectronics Technology Co., Ltd.

Polymer containing 1,2,5-benzoselenadiazole-n-r1-5,6-dicarboxylic acid imide and preparation method and use thereof

The present invention discloses a polymer containing 1,2,5-benzoselenadiazole-n—r1-5,6-dicarboxylic acid imide, and a preparation method and use thereof. The conjugated polymer prepared by the present invention has fluorescence, and a relatively wide absorption of sunlight, and thus it can be used for manufacture of an active layer for a polymer light-emitting diode device, a polymer field-effect transistor and a polymer solar cell..
South China University Of Technology

Junction barrier schottky diode with enhanced surge current capability

A semiconductor power rectifier with increased surge current capability is described, which has a semiconductor layer having a first main side and a second main side opposite to the first main side. The semiconductor layer includes a drift layer having a first conductivity type, at least one pilot region having a second conductivity type different from the first conductivity type, a plurality of stripe-shaped emitter regions having the second conductivity type, and a transition region having the second conductivity type, wherein the at least one pilot region has in any lateral direction parallel to the first main side a width of at least 200 μm and is formed adjacent to the first main side to form a first p-n junction with the drift layer, each emitter region is formed adjacent to the first main side form a second p-n junction with the drift layer, and the transition region is formed adjacent to the first main side to form a third p-n junction with the drift layer.
Abb Schweiz Ag

Schottky diode

A schottky diode includes a first electrode, a second electrode and a semiconducting structure. The first electrode includes a first metal layer and a second metal layer.
Hon Hai Precision Industry Co., Ltd.

Schottky diode and making the same

A schottky diode includes an insulating substrate and at least one schottky diode unit. The at least one schottky diode unit is located on a surface of the insulating substrate.
Hon Hai Precision Industry Co., Ltd.

Thin film transistor

A thin film transistor includes a gate electrode, a insulating medium layer and at least one schottky diode unit. The at least one schottky diode unit is located on a surface of the insulating medium layer.
Hon Hai Precision Industry Co., Ltd.

Thin film transistor

A thin film transistor includes a gate, an insulating medium layer and a schottky diode. The schottky diode includes a first electrode, a second electrode and a semiconducting structure.
Hon Hai Precision Industry Co., Ltd.

Integrated schottky diode in high voltage semiconductor device

This invention discloses a method for manufacturing a semiconductor power device in a semiconductor substrate comprises an active cell area and a termination area. The method comprises the steps of a) growing and patterning a field oxide layer in the termination area and also in the active cell area on a top surface of the semiconductor substrate b) depositing and patterning a polysilicon layer on the top surface of the semiconductor substrate at a gap distance away from the field oxide layer; c) performing a blank body dopant implant to form body dopant regions in the semiconductor substrate substantially aligned with the gap area followed by diffusing the body dopant regions into body regions in the semiconductor substrate; d) implanting high concentration body-dopant regions encompassed in and having a higher dopant concentration than the body regions and e) applying a source mask to implant source regions having a conductivity opposite to the body region with the source regions encompassed in the body regions and surrounded by the high concentration body-dopant regions..
Alpha And Omega Semiconductor Incorporated

Organic light emitting diode display and manufacturing method thereof

An organic light emitting diode display includes: a substrate; a scan line formed over the substrate and transmitting a scan signal; a data line crossing the scan line and transmitting a data voltage; a driving voltage line crossing the scan line and transmitting a driving voltage; a switching transistor connected to the scan line and the data line; a driving transistor connected to the switching transistor; a driving connection member connected to a driving gate electrode of the driving transistor; a storage capacitor including a first storage electrode and a second storage electrode; a pixel electrode electrically connected to the driving transistor; and a contact hole connecting the first storage electrode and the driving connection member. The second storage electrode may include a cut-out by a curved edge at least partially surrounding the contact hole, and the pixel electrode may be formed not to overlap the cut-out..
Samsung Display Co., Ltd.

Light emitting diode display and fabricating method thereof

A light emitting diode display including at least one light emitting diode chip is provided. The light emitting diode chip includes a first substrate, a plurality of light emitting diodes, a first insulation layer and a plurality of switch devices.
Acer Incorporated

Solid-state imaging element and imaging device

A solid-state imaging element includes a photodiode and a light collecting section. The photodiode includes a light receiving surface and an electrode placed on the light receiving surface, and that outputs an electrical signal in accordance with light incident on the light receiving surface in a state where a voltage exceeding a breakdown voltage is applied to the electrode.

Tft array substrate and manufacturing method thereof

A tft array substrate and its manufacturing method are disclosed. The tft array substrate includes a substrate having a display area and a non-display area, and at least a schottky diode on the non-display area.
Wuhan China Star Optoelectronics Technology Co., Ltd.

Flexible display device and manufacturing the same

A flexible display device includes a flexible substrate, an adhesion layer disposed on a surface of the flexible substrate, and a plurality of pixel structures in respective pixels on the adhesion layer. Each of the pixel structures on the adhesion layer includes a light emitting diode including an inorganic light emitting layer, and a thin film transistor which is connected to the light emitting diode and switches a state of the light emitting diode..
Industry-academic Cooperation Foundation, Yonsei University

Semiconductor device

A semiconductor device includes a mos transistor which is coupled between two terminals and discharges current which flows caused by generation of static electricity and a diode which is coupled between a back gate of the mos transistor and one of the terminal and has a polarity which is reversed to the polarity of a parasitic diode which is formed between the back gate and a source of the mos transistor.. .
Renesas Electronics Corporation

Stacked pixel structures

A micro-transfer printed high-resolution inorganic light-emitting diode (iled) display includes a display substrate and a plurality of pixels disposed over the display substrate, each pixel comprising a pixel controller disposed or formed in or on a pixel substrate and controlling one or more ileds disposed or formed in or on respective iled substrates. The one or more ileds are disposed above or below the pixel controller in a separate layer from the pixel controller.
X-celeprint Limited

Vertical light emitting diode with magnetic back contact

A structure containing a vertical light emitting diode (led) is provided. The vertical led is present in an opening located in a display substrate, and the vertical led is coupled to a back contact structure via a magnetic back contact structure.
International Business Machines Corporation

Semiconductor module comprising transistor chips, diode chips and driver chips arranged in a common plane

A semiconductor module is disclosed. In one example, the module includes a carrier, at least one semiconductor transistor disposed on the carrier, at least one semiconductor diode disposed on the carrier, at least one semiconductor driver chip disposed on the carrier, a plurality of external connectors, and an encapsulation layer covering the carrier, the semiconductor transistor, the semiconductor diode, and the semiconductor driver chip.
Infineon Technologies Ag

Efficient heat removal from component carrier with embedded diode

A component carrier has an interconnected stack with at least one electrically insulating layer structure and/or at least one electrically conductive layer structure, a component embedded in the stack and a diode, and at least one heat removal layer configured for removing heat from the diode and substantially fully covering a whole main surface of the component carrier.. .
At & S Austria Technologie & Systemtechnik Aktiengesellschaft

Systems and methods of reduced memory bandwidth compensation

What is disclosed are systems and methods of compensation of images produced by active matrix light emitting diode device (amoled) and other emissive displays. Sub-sampling of pixel measurement data utilized in compensation of the display is utilized to reduce the data bandwidth between memory and a compensation module where the data is locally interpolated..
Ignis Innovation Inc.

Amoled pixel driver circuit and pixel driving method

The invention provides an amoled pixel driver circuit and pixel driving method. The amoled pixel driver circuit has a 6t1c structure, comprising a first thin film transistor (tft) (t1), a second tft (t2) forming mirror relation with the first tft (t1), a third tft (t3), a fourth tft (t4), a fifth tft (t5), a sixth tft (t6), a capacitor (c1), and an organic light-emitting diode (oled) (d1), and receiving a first scan signal (scan1), a second scan signal (scan2), a third scan signal (scan3), a light-emitting signal (em), a data signal (data), and a reference voltage (vref).
Shenzhen China Star Optoelectronics Technology Co., Ltd.

Amoled pixel driver circuit and pixel driving method

The invention provides an amoled pixel driver circuit and pixel driving method. The amoled pixel driver circuit has a 6t2c structure, comprising a first thin film transistor (tft) (t1), a second tft (t2) forming mirror relation with the first tft (t1), a third tft (t3), a fourth tft (t4), a fifth tft (t5), a sixth tft (t6), a first capacitor (c1), a second capacitor (c2) and an organic light-emitting diode (oled) (d1), and receiving a first scan signal (scant), a second scan signal (scan2), a third scan signal (scan3), a data signal (data), and a predefined voltage (vpre).
Shenzhen China Star Optoelectronics Technology Co., Ltd.

Organic diode display driving circuits, display panels and electronic devices

The present disclosure relates to an organic diode display driving circuit, a display panel, and an electronic device. The driving circuit includes a voltage source, a display-area circuit, and an auxiliary-area circuit being arranged outside a display area.
Wuhan China Star Optoelectronics Technology Co., L Td.

Integrated organic light emitting diode display making the same

Provided are integrated organic light emitting diode (oled) display apparatus and methods for making the same. In one example, the apparatus includes driving logic on a first substrate of a first die, a plurality of pixel circuits on a second substrate of a second die, and a plurality of oleds above the plurality of pixel circuits.
Viewtrix Technology Co., Ltd.

Organic light emitting diode display and driving the same

An organic light emitting diode display and a method for driving the same are disclosed. The organic light emitting diode display includes a display panel including a plurality of pixels, a display panel driver configured to drive signal lines of the display panel, and a timing controller configured to divide one frame into a plurality of subframes, divide data of an input image at each bit, map the data of the input image to the plurality of subframes, control an operation of the display panel driver, and adjust data addressing speeds of the plurality of subframes for adjusting the emission times of the upper and lower display lines of the display panel differently..
Lg Display Co., Ltd.

Electrical safety analyzer

An electrical safety analyzer, including: a transparent outer casing; at least one light emitting diode (led) disposed within the transparent outer casing; a processor and addressable memory, where the processor is configured to: run one or more tests for electrical safety; determine a pass or fail condition for each test; and illuminate the at least one led based on the determined condition, where an illumination of the at least one led illuminates the transparent outer casing.. .
Pronk Technologies, Inc.

Nfc card emulation device

An nfc card emulation device including a button press confirmation circuit, a time-out determination unit, and a control circuit. The time-out determination unit is formed by adopting discrete components, such as, the second diode, the second resistor, the third resistor and the second capacitor, etc.
Shenzhen Excelsecu Data Technology Co., Ltd.

Touch display panel, flexible display panel and display apparatus

The present disclosure provides a touch display panel, a flexible display panel and a display apparatus. In one embodiment, light sensitive effect-based photo-sensitive diodes and switching transistors for controlling signal output of the photo-sensitive diodes are integrated in the display panel.
Boe Technology Group Co., Ltd.

Uv mask device and using the same

The present application discloses an ultraviolet (uv) mask device and a method for using the uv mask device. The uv mask device includes: a platform, configured for carrying a substrate thereon; a mask substrate, configured above the platform for fixing a mask corresponding to the substrate on the platform; and a light source array, configured above the mask substrate by a first distance and including a plurality of uv light-emitting diodes (uv leds) emitting light having a first single central wavelength..
Beijing Boe Display Technology Co., Ltd.

Backlight module

Disclosed is a backlight module. The backlight module includes: a light source flexible printed circuit; a light-emitting diode disposed on the light source flexible printed circuit; a reflector plate disposed on the light-emitting diode; a sealant frame and a light guide plate that are respectively disposed at two opposite sides of the light-emitting diode; an optical film disposed on the light guide plate; and an upper graphite sheet disposed on the reflector plate.
Wuhan China Star Optoelectronics Technology Co., Ltd.

Device and operation method and manufacturing method thereof

The present disclosure relates to device, and operation method and manufacturing method thereof, wherein the device comprises a dichroic dye composite layer, a first liquid crystal display (lcd) composite layer, a wide waveband reflective composite layer and an organic light emitting diode (oled) composite layer stacked in this order, wherein the dichroic dye composite layer is switchable between a black state and a transparent state, the liquid crystal display (lcd) composite layer is switchable between a display state, a transparent state and a dark state, the wide waveband reflective composite layer is switchable between a transparent state and a mirror state, and the organic light emitting diode (oled) composite layer is switchable between a light-emitting state and a transparent state.. .
Boe Technology Group Co., Ltd.

Systems, devices, and methods for beam combining in laser projectors

Systems, devices, and methods for beam combining within laser projectors are described. A laser projector includes first, second, and third laser diodes to generate red, green, and blue laser light respectively, a controllable scan mirror, and a heterogeneous beam splitter system.
Thalmic Labs Inc.

Systems, devices, and methods for beam combining in laser projectors

Systems, devices, and methods for beam combining within laser projectors are described. A laser projector includes first, second, and third laser diodes to generate red, green, and blue laser light respectively, a controllable scan mirror, and a heterogeneous beam splitter system.
Thalmic Labs Inc.

Systems, devices, and methods for beam combining in laser projectors

Systems, devices, and methods for beam combining within laser projectors are described. A laser projector includes first, second, and third laser diodes to generate red, green, and blue laser light respectively, a controllable scan mirror, and a heterogeneous beam splitter system.
Thalmic Labs Inc.

To-can photodiode package with integrated coupling member and exposed active region, and a receiver optical subassembly (rosa) using the same

A photodiode package is disclosed that includes a to-can style body with an exposed sensor cavity that eliminates the necessity of an encapsulant dispensing process. The to-can body of the photodiode package includes an integrated coupling member to allow for coupling to a rosa housing without an intermediate member.
Applied Optoelectronics, Inc.

Free space variable optical attenuator with integrated input/output power monitors

A free space variable optical attenuator (voa) utilizes a beamsplitter to create tap beams (of both the input signal and the beam-steered output signal) that are directed into monitoring photodiodes. The beamsplitter is configured to exhibit a non-equal splitting ratio such that the tap beams are only a relatively small portion of the input/output beams.
Ii-vi Incorporated

Circular backlight for a liquid crystal display

A liquid crystal display (lcd) device including a circular backlight that illuminates an lcd panel. The backlight is disposed behind the lcd panel and includes a light guide and an array of light emitting diodes (leds).
Oculus Vr, Llc

High resolution dynamic detector for imaging and dosimetry in megavoltage radiation therapy

Disclosed herein are variations of megavoltage (mv) detectors that may be used for acquiring high resolution dynamic images and dose measurements in patients. One variation of a mv detector comprises a scintillating optical fiber plate, a photodiode array configured to receive light data from the optical fibers, and readout electronics.
Reflexion Medical, Inc.

Multi-level pulser and related apparatus and methods

Apparatus and methods are provided directed to a device, including at least one ultrasonic transducer, a multi-level pulser coupled to the at least one ultrasonic transducer; the multi-level pulser including a plurality of input terminals configured to receive respective input voltages, an output terminal configured to provide an output voltage, and a signal path between a first input terminal and the output terminal including a first transistor having a first conductivity type coupled to a first diode and, in parallel, a second transistor having a second conductivity type coupled to a second diode.. .
Butterfly Network, Inc.

Distance measuring device

A distance measuring device is configured to measure a distance to an object. The distance measuring device includes a light source configured to emit a projection beam to the object and a light receiving element configured to detect return light of the projection beam that is reflected by the object.
Hamamatsu Photonics K.k.

Led-based illumination module on-board diagnostics

A light emitting diode (led) based illumination module performs on-board diagnostics. For example, diagnostics may include estimating elapsed lifetime, degradation of phosphor, thermal failure, failure of leds, or led current adjustment based on measured flux or temperature.
Xicato, Inc.

Apparatus and measurement of optical frequency shifts

An apparatus and method for measuring small changes in the centroid of the spectrum of a light field by conversion of optical frequency centroid shifts into time delays are described. A time delay for a particular frequency of light is created by directing the light into an optically dispersive system that converts the change in center frequency to a change in transit time through the system as the dispersive element causes different colors to travel at different speeds.
Colorado State University Research Foundation

Spad detector having modulated sensitivity

The sensitivity of one or more single-photon avalanche diodes (spad) in a spad detector is modulated over time. The sensitivity of all of the spads may be modulated, or the sensitivity of one section of the spads can be modulated differently from another section of the spads.
Apple Inc.

System and visible and infrared high dynamic range sensing

A high dynamic range sensing device is disclosed. The device includes an array of bayer pattern units.
Cista System Corp.

Led lighting apparatus having natural convection-type heat dissipation structure

Disclosed is an led lighting apparatus having a natural convection-type heat dissipation structure. The led lighting apparatus includes a heat sink coupled to a back surface of a printed circuit board (pcb) to which a plurality of light emitting diode (led) devices is mounted and, and functioning to absorb heat generated by the led devices, in which center portions of the heat sink and the pcb are provided with openings serving as a convection hole that induces natural convection such that hot air under the heat sink rises along with rising hot air attributed to heat radiated from an upper surface of the heat sink and surrounding cooler air is supplied to the upper surface the heat sink and to around the led devices.
Samjin Lnd Co., Ltd.

Illumination system with pivotable light emitting diode strip and manufacture

An illumination system having a plurality of housings pivotably or rotatably secured to each other, and capable of directing light in different directions when the plurality of housing are reconfigured relative to each other.. .
Maxim Lighting International, Inc.

Fabric with embedded lighting device

An apparatus is provided that includes a piece of fabric with a slot formed in the piece of fabric. The apparatus includes light emitting diodes (leds) positioned within the slot.
Revella, Llc

Light emitting diode assembly and manufacture

An illumination assembly having a plurality of light emitting diodes positioned along a rotatable light emitting diode strip, configured to be secured to a mounting surface, and operable to illuminate different portions of a countertop surface area at different color levels when the light emitting diode strip is rotated.. .
Maxim Lighting International, Inc.

New aromatic macrocyclic metal complex dyes and the synthesis thereof with active nano metal powders

The present invention relates to a new type of inorganic coordination compound dyes having advanced technology optical, electronic and medical characteristics and relates to production of these dyes by means of new synthesis methods. The present invention relates to dyes which are metal (m: li, na, k, mg, ca, sr, ba, ti, zr, v, cr, mo, mn, re, fe, ru, co, rh, ir, ni, pd, pt, cu, ag, au, zn, cd, b, al, ga, in, si, ge, sn, pb, sb, bi, se, te) complexes of aromatic macrocyclic compounds of the type phtalocyanine (pc), naphtalocyanine (nc), porphyrazine (pz), porphyrin (pr), sub-phtalocyanine (subpc), sub-naphtalocyanine (subnc), sub-porphyrazine (subpz), sub-porphyrine (subpr), and relates to the synthesis of these complexes and derivatives.

Methods and devices for sanitation, disinfection and sterilization

The present invention relates to methods and devices for diminishing microbes. The invention provides methods and devices to sanitize, disinfect and sterilize areas, spaces, surfaces and items as well as to sanitize human skin.
Vitabeam Ltd

Medical apparatus system having optical fiber load sensing capability

An apparatus and method for diagnosis or treatment of a vessel or organ. The apparatus includes a deformable body such as a catheter having a tissue ablation end effector and an irrigation channel in fluid communication therewith.
St. Jude Medical International Holding S.À R.l.

Rigid endoscope

A rigid endoscope includes an endoscope tube, a light-emitting diode (led) chip, an objective lens group, a rod lens group and a lead. The objective lens group and the rod lens group are disposed in the endoscope tube and arranged in a direction from a front end to a rear end of the endoscope tube; the led chip is mounted at the front end of the endoscope tube; and the lead is led out from the led chip, runs through a gap between an inner circle of the endoscope tube and an outer circle of the objective lens group, and arrives at the rear end of the endoscope tube..
Beijing Weston Asia-pacific Opto-electric Instrument Co., Ltd.

Led flip chip plant grow light

Techniques for providing plant growth lights with improved performance and cost are discussed herein. Some embodiments may provide for a light emitting diode (led) flip chip chip-on-board (cob) module for optimizing plant growth, including: a circuit board; ultraviolet (uv) led flip chips connected to the circuit board; a royal-blue phosphor or fluorescent layer covering a first portion of the uv led flip chips; and a deep-red phosphor or fluorescent layer covering a second portion of the uv led flip chips.
Starlight Led Inc.

Lighting device and operating such a lighting device

In one embodiment, the lighting device (1) comprises at least one base chip (21) and a plurality of cover emitter regions (22). The base chip or chips (21) and the cover emitter regions (22) are realized by light-emitting diode chips and can be electrically controlled independently of one another.
Osram Opto Semiconductors Gmbh

Solid-state imaging device, driving solid-state imaging device, and electronic apparatus

A solid-state imaging device having a pixel portion in which a plurality of pixels each including a photodiode are arranged in rows and columns, a reading part for reading pixel signals from the pixel portion, and a key generation part which generates a unique key by using, as the key generation-use data, at least one of fluctuation information of pixels and fluctuation information of the reading part, wherein the key generation part includes a tamper resistance enhancement processing part for processing the key generation-use data to enhance the tamper resistance making it difficult to break the unique key as tamper resistance enhancement processing. Due to this, a unique key having a high confidentiality can be generated.
The Ritsumeikan Trust

Image sensor, imaging apparatus and live body imaging apparatus

There is provided an image sensor including a pixel unit, the pixel unit including a photodiode, a first color filter and a second color filter each disposed in a different position on a plane above the photodiode, and a first on-chip lens disposed over the first color filter and a second on-chip lens disposed over the second color filter.. .
Sony Corporation

Image sensor

Provided are image sensors. An image sensor includes a pixel array comprising pixels configured to output signal voltages, each of the pixels comprising first and second photodiodes, first and second transfer transistors connected to the first and second photodiodes, respectively, and a floating diffusion node to which the first and second transfer transistors are connected; a ramp voltage generator configured to generate a ramp voltage that decreases with a slope according to a ramp clock to have a first gain; a correlation double sampler (cds) configured to compare the ramp voltage with the signal voltages to output a comparison signal; a counter configured to count the comparison signal according to a counter clock to output a digital signal; and a digital scaling unit configured to scale the digital signal to have a second gain..
Samsung Electronics Co., Ltd.

Control of series-parallel mode (spm) clamped flyback converter

This disclosure describes a flyback converter with a series-parallel mode (spm) active clamp. The active clamp, coupled in parallel with the primary coil, may include a clamp switch, two or more snubber capacitors, and associated diodes.
Apple Inc.

System and high power diode laser wavelength spectrum narrowing

A high power diode laser system selects the central wavelength and narrows the spectral bandwidth by employing one or more atomic line filters (alfs) as the wavelength selective element in the external cavity to optimize high power multi-mode operation. The high power diode laser system may include multiple diode laser sources, such as multiple diode laser bar stacks, providing multiple output beams.
University Of New Hampshire

Distributed bragg reflector tunable laser diode

Provided is a distributed bragg reflector tunable laser diode including a substrate provided with a gain section having an active waveguide from which a gain of laser light is obtained and a distributed reflector section having a passive waveguide connected to the active waveguide, wherein the distributed reflector section includes gratings disposed on or under the passive waveguide, a current injection electrode disposed on the passive waveguide and configured to provide a current into the passive waveguide to electrically tune a wavelength of the laser light, and a heater electrode disposed on the current injection electrode and configured to heat the passive waveguide to thermally tune the wavelength of the laser light, wherein the gratings, the current injection electrode, and the heater electrode vertically overlap each other.. .
Electronics And Telecommunications Research Institute

Optical apparatus, manufacturing distributed bragg reflector laser diode and manufacturing optical apparatus

Provided are an optical apparatus, a manufacturing method of a distributed bragg reflector laser diode, and a manufacturing method of the optical apparatus, the an optical apparatus including a cooling device, a distributed bragg reflector laser diode having a lower clad including a recess region on one side of the cooling device and connected to another side of the cooling device, and an air gap between the cooling device and the distributed bragg reflector laser diode, wherein the air gap is defined by a bottom surface of the lower clad in the recess region and a top surface of the cooling device. .
Electronics And Telecommunications Research Institute

Organic light-emitting diode display

An organic light-emitting diode display is disclosed. In one aspect, the display includes a display unit located on the substrate and including a display area and a non-display area surrounding the display area, and a thin film encapsulation layer sealing the display unit.
Samsung Display Co., Ltd.

Vertically integrated nanotube and quantum dot led for active matrix display

A technique relates to a vertical device. A gate is embedded in a transparent substrate.
International Business Machines Corporation

Light emitting material, manufacture method thereof and organic light emitting diode using the light emitting material

The present invention provides a light emitting material, a manufacture method thereof and an organic light emitting diode using the light emitting material. The structure is unitary, and the formula weight is determined, and the better solubility and film formation are provided, and the thin film status is stable; it possesses a very high decomposition temperature and a lower sublimation temperature, and is easy to sublime to be light emitting material of high purity, and can be applied for small molecule organic light emitting diode.
Shenzhen China Star Optoelectronics Technology Co., Ltd.

Light emitting material, manufacture method thereof and organic light emitting diode using the light emitting material

The present invention provides a light emitting material, a manufacture method thereof and an organic light emitting diode using the light emitting material. The structure is unitary, and the formula weight is determined, and the better solubility and film formation are provided, and the thin film status is stable; it possesses a very high decomposition temperature and a lower sublimation temperature, and is easy to sublime to be light emitting material of high purity, and can be applied for small molecule organic light emitting diode.
Shenzhen China Star Optoelectronics Technology Co., Ltd

Delayed fluorescence compound, and organic light emitting diode and display device using the same

The excitons in the triplet state are engaged in emission such that the emitting efficiency of the delayed fluorescent compound is increased. Embodiments also relate to a display device with an organic light emitting diode (oled) that includes the delayed fluorescence compound..

Emissive compounds and related devices

In one aspect, compositions comprising emissive compounds including polycyclic aromatic groups are provided. In some embodiments, the emissive compounds may include various moieties having desirable physical and electronic properties.
Massachusetts Institute Of Technology

Nanowires/nanopyramids shaped light emitting diodes and photodetectors

A light emitting diode device comprising: a plurality of nanowires or nanopyramids grown on a graphitic substrate, said nanowires or nanopyramids having a p-n or p-i-n junction, a first electrode in electrical contact with said graphitic substrate; a light reflective layer in contact with the top of at least a portion of said nanowires or nanopyramids, said light reflective layer optionally acting as a second electrode; optionally a second electrode in electrical contact with the top of at least a portion of said nanowires or nanopyramids, said second electrode being essential where said light reflective layer does not act as an electrode; wherein said nanowires or nanopyramids comprise at least one group iii-v compound semiconductor; and wherein in use light is emitted from said device in a direction substantially opposite to said light reflective layer.. .
Norwegian University Of Science And Technology (ntnu)

Front-side emitting mid-infrared light emitting diode

A device emitting mid-infrared light that comprises a semiconductor substrate of gasb or closely related material. The device can also comprise epitaxial heterostructures of inas, gaas, alsb, and related alloys forming light emitting structures cascaded by tunnel junctions.
Terahertz Device Corporation

Light-emitting diode structure, transfer assembly, and transfer method using the same

The present invention is intended to provide a light-emitting diode (led) structure which can be easily transferred onto another substrate, a transfer assembly whose adhesive strength with led structures can be maintained in spite of repetitive transfer processes, led structures and a transfer assembly for selectively transferring the led structures, and a transfer method using the same.. .
Korea Photonics Technology Institute

Image sensor having light refractive patterns

An image sensor is provided. The image sensor may include a photodiode formed in a substrate; a light refraction pattern formed on the photodiode; a color filter covering the light refraction pattern; and a micro-lens formed on the color filter..
Sk Hynix Inc.

Semiconductor module

In a semiconductor device according to an embodiment, ends of conductor portions are electrically connected to an overvoltage protection diode so that depletion occurs in a diffusion layer in a portion near an insulating film in a reverse bias application state, and/or ends of conductor portions are electrically connected to the overvoltage protection diode so that depletion occurs in a peripheral semiconductor region in a portion near the insulating film in the reverse bias application state.. .
Shindengen Electric Manufacturing Co., Ltd.

Methods related to a semiconductor structure with gallium arsenide and tantalum nitride

Disclosed are structures and methods related to metallization of a gallium arsenide (gaas) layer. In some embodiments, a tantalum nitride (tan) layer can be formed on a doped gaas layer, and a metal layer can be formed on the tan layer.
Skyworks Solutions, Inc.

Organic light-emitting diode (oled) display

An organic light-emitting diode (oled) display is disclosed. In one aspect, the oled display includes a plurality of pixels, each including a driving thin film transistor (tft) formed over a substrate and including a driving gate electrode, a first storage capacitor comprising a first electrode and a second electrode, and a second storage capacitor comprising a third electrode and a fourth electrode.
Samsung Display Co., Ltd.

Flexible organic light emitting diode display having edge bending structure

A flexible display device according to an embodiment includes a flexible plate including a display area, a non-display area surrounding the display area, an edge bending area near the display area in the non-display area and a pad area extending from the edge bending area; a first thin film transistor in the display area on the flexible plate; a first line disposed in the edge bending area on the flexible plate; a first buffer layer covering the first line; a second line on the first buffer layer in the edge bending area; a second buffer layer covering the second line; a connecting electrode is electrically connected the first line and the second line in the edge bending area; and a plurality of trenches disposed at the edge bending area and penetrating the second buffer layer and the first buffer layer.. .
Lg Display Co., Ltd.

Power and data routing structures for organic light-emitting diode displays

An organic light-emitting diode display may have thin-film transistor circuitry formed on a substrate. The display and substrate may have rounded corners.
Apple Inc.

Display device

A sheet display includes a display region including a plurality of pixels arranged in a matrix and photodiodes arranged on regions not overlapped with the plurality of pixels in the matrix; and a laminated structure including at least a metal layer and provided on the photodiode, in which in at least two layers including the metal layer in the laminated structure, slits or holes are provided such that external light is incident on the photodiode, and a slit or a hole formed on one of the at least two layers and a slit or a hole formed on another of the at least two layers are provided by being overlapped with each other.. .
Japan Display Inc.

Light-emitting diode displays

A display may have an array of pixels. Display driver circuitry may supply data and control signals to the pixels.
Apple Inc.

Three-dimensional vertical multiple-time-programmable memory comprising multiple re-programmable sub-layers

The present invention discloses a three-dimensional vertical multiple-time-programmable memory (3d-mtpv). It comprises horizontal address lines and memory holes there-through, a re-programmable layer and vertical address lines in said memory holes.
Hangzhou Haicun Information Technology Co., Ltd.

Three-dimensional vertical one-time-programmable memory comprising multiple antifuse sub-layers

The present invention discloses a three-dimensional vertical one-time-programmable memory (3d-otpv). It comprises horizontal address lines and memory holes there-through, an antifuse layer and vertical address lines in said memory holes.

3d microdisplay device and structure

A 3d micro display, the micro display including: a first single crystal layer including at least one led driving circuit; and a second single crystal layer including a plurality of light emitting diodes (leds), where the second single crystal layer overlays the first single crystal layer, where the second single crystal layer includes at least ten first led pixels, and where the second single crystal layer and the first single crystal layer are separated by a vertical distance of less than ten microns.. .
Monolithic 3d Inc.

Video wall module and producing same

A video wall module and a method for producing a video wall module are disclosed. In embodiments, the video wall module includes a plurality of light emitting diode chips, each light emitting diode chip comprising a top electrode arranged at a top side of the light emitting diode chip, a bottom electrode arranged at a bottom side of the light emitting diode chip and a molded body embedding the light emitting diode chips, a front-side metallization arranged at the front side of the molded body, wherein the top electrodes are connected to the front-side metallization, a rear-side metallization arranged at a rear side of the molded body, wherein the bottom electrodes are connected to the rear-side metallization, a dielectric layer arranged at the rear side of the molded body and an outer metallization arranged at the dielectric layer, wherein the rear-side metallization is electrically conductively connected to the outer metallization..
Osram Opto Semiconductors Gmbh

Lateral pin diodes and schottky diodes

Lateral pin diodes and schottky diodes with low parasitic capacitance and variable breakdown voltage structures and methods of manufacture are disclosed. The structure includes a diode with breakdown voltage determined by a dimension between p- and n-terminals formed in an i-region above a substrate..
Globalfoundries Inc.

Oled display device drive system and oled display drive method

Provided are an oled display device drive system and an oled display device drive method. The oled display device drive system introduces the common voltage signal (vcm) in the threshold voltage detection circuit (2) into the sub pixel driving circuit (1), and in the writing stage, by applying the common voltage signal (vcm) to the organic light emitting diode (d1), the organic light emitting diode is in the negative voltage and reverse biased, and then in the light emitting stage, the common voltage signal (vcm) is removed from the organic light emitting diode (d1), and then the trans-voltage of the organic light emitting diode (d1) changes from the negative voltage to the positive voltage and the light is normally emitted.
Shenzhen China Star Optoelectronics Technology Co., Ltd.

Pixel and organic light emitting display device using the same

A pixel including an organic light emitting diode; a first transistor for controlling the amount of current flowing from a first driving power source to a second driving power source via the organic light emitting diode, corresponding to a voltage of a first node; a second transistor coupled between the first node and a second node, the second transistor being turned on when a scan signal is supplied to an ith (i is a natural number) scan line; a third transistor coupled between the second node and an anode electrode of the organic light emitting diode; a first capacitor coupled between a data line and the second node; and a fourth transistor coupled between an initialization power source and the anode electrode of the organic light emitting diode. The fourth transistor is turned on in response to a first control signal being supplied to a first control line..
Samsung Display Co., Ltd.

Monitor

In example implementations, a monitor is provided. The monitor includes a timing controller coupled to a circuit board.
Hewlett-packard Development Company, L.p.

Illumination device for illuminating the vertical tail plane of an aircraft and aircraft with exterior illumination on its vertical tail plane

A device for illuminating a vertical tail plane of an aircraft, comprising a matrix of leds or lasers, a laser diode with a diffractive optical element, an electronic board with a microcontroller, a power supply unit and a housing enclosing one or more of the matrix of leds, the laser diode, the electronic board and the power supply unit. The leds or lasers and the laser diode are individually and electronically controlled by the microcontroller, in such a way that the leds or lasers can be individually dimmed to create a dynamic illumination pattern on the side surfaces of the vertical tail plane.
Airbus Operations S.l.

Swir to visible up-conversion optical system

The invention is an optical system for up-conversion of swir images into visible images. The optical system of the invention comprises a liquid crystal optically addressed spatial light modulator (lc-oaslm), which acts as an optical valve, and two optionally gradium lenses to reduce the size and complexity of the optical setup.
B.g. Negev Technologies And Applications Ltd., At Ben-gurion University

Cable assembly having a connector capable of emitting optical signals and a visible light

A cable assembly includes a cable and a connector, wherein the connector of the cable assembly includes laser diodes for transmitting optical signals to optical fiber wires of the cable for transferring data received from an external device and a light-emitting diode (led) for emitting a visible light to a plastic fiber wire of the cable so that a user can use the visible light for different purposes. In addition, the connector of the cable assembly is capable of conforming to a standard hdmi connector or integrated with an earphone..

Segmented backlight for dynamic contrast

Systems and methods for increasing dynamic contrast in a liquid crystal display (lcd) may include a segmented backlight that may include one or more segments and one or more sets of light emitting diodes (leds). Each set of leds may be configured to illuminate a corresponding segment and each segment may include a notch(es) configured as a light barrier to reduce light leakage to non-adjacent segments.
Zspace, Inc.

Low noise imaging detector and a manufacturing the same

An imaging detector, an imaging system having the imaging detector, and a method for manufacturing the imaging detector are disclosed. The imaging detector includes a substrate, a plurality of thin film transistors (tfts) disposed on the substrate, a data line disposed on the substrate electrically coupled to at least two tfts of the plurality of tfts, a pixelated bottom electrode disposed on the substrate and laterally offset from the data line, a continuous organic photodiode layer, and a continuous top electrode layer overlaid on the continuous organic photodiode layer.
General Electric Company

Depth sensing with multiple light sources

Aspects of the embodiments are directed to a time-of-flight imaging system and methods of using the same. The time-of-flight imaging system includes a light emitter comprising at least one one-dimensional array of laser diodes; a photosensitive element for receiving reflected light from an object; and a light deflection device configured to deflect light from the light emitter to the object.
Analog Devices Global

Semiconductor device for detecting ultraviolet and infrared radiation and related manufacturing process

A semiconductor device for flame detection, including: a semiconductor body having a first conductivity type conductivity, delimited by a front surface and forming a cathode region; an anode region having a second conductivity type conductivity, which extends within the semiconductor body, starting from the front surface, and forms, together with the cathode region, the junction of a photodiode that detect ultraviolet radiation emitted by the flames; a supporting dielectric region; and a sensitive region, which is arranged on the supporting dielectric region and varies its own resistance as a function of the infrared radiation emitted by the flames.. .
Stmicroelectronics S.r.l.

Holographic sporting/combat optic with reticles recorded at different distances

A holographic sporting/combat optic may be mounted to weapon. The holographic sporting/combat optic includes a laser diode, a holographic recording element and one or more optical components arranged in a housing.
Elite Arms D/b/a Elite Defense

Passive thermal diode

A passive thermal diode (10), comprising: a heat source (12); a heat sink (14); a thermal coupling element (16) removably coupled to the heat source (12) and the heat sink (14); a lever (18), the lever (18) connected to the thermal coupling element (16) via a pivot point (19); and at least one spring (20) connected to the lever (18), the spring (20) comprised of a shape memory alloy, wherein the lever (18) transmits a force to displace the thermal coupling element (16) when the force is produced by the spring (20) on the lever (18).. .
The Hong Kong University Of Science And Technology

Downwardly directing spatial lighting system

A luminaire that includes a plurality of light emitting diodes (leds), a light diffuser having a planar surface facing the leds, and a reflector that surrounds a cavity formed between the light diffuser and the leds. Also disclosed is a method of distributing light that involves emitting light towards a light diffuser having a planar surface having a reflective coating, scattering a first portion of the light with the light diffuser, reflecting a second portion of the light with the light diffuser, reflecting the second portion of the light with a first reflective surface back towards the light diffuser, and scattering the second portion of the light with the light diffuser.
Kenall Manufacturing Company

Universal lamp support

An illumination apparatus includes a monolithic support substrate and light emitting diodes (leds) on one or more external sides of the support substrate. The support substrate may comprise an elongated extrusion enclosing a hollow core.
Principal Led, Llc

Light emitting material, manufacture method thereof and organic light emitting diode using the light emitting material

The present invention provides a light emitting material, a manufacture method thereof and an organic light emitting diode using the light emitting material. The structure is unitary, and the formula weight is determined, and the better solubility and film formation are provided, and the thin film status is stable; it possesses a very high decomposition temperature and a lower sublimation temperature, and is easy to sublime to be light emitting material of high purity, and can be applied for small molecule organic light emitting diode.
Shenzhen China Star Optoelectronics Technology Co., Ltd.

Light emitting material, manufacture method thereof and organic light emitting diode using the light emitting material

The present invention provides a light emitting material, a manufacture method thereof and an organic light emitting diode using the light emitting material. The structure is unitary, and the formula weight is determined, and the better solubility and film formation are provided, and the thin film status is stable; it possesses a very high decomposition temperature and a lower sublimation temperature, and is easy to sublime to be light emitting material of high purity, and can be applied for small molecule organic light emitting diode.
Shenzhen China Star Optoelectronics Technology Co., Ltd

Uv-led radiation photoreactor

A reactor that operates with ultraviolet light emitting diodes (uv-leds) to attain uv photoreactions or uv photo-initiated reaction in a fluid flow for various applications, including water purification. The uv-led reactor is comprised of a conduit means for passing fluid flow, an ultraviolet light emitting diode (uv-led), and a radiation-focusing element to focus the uv-led radiation to the fluid in the longitudinal direction of the conduit.
The University Of British Columbia

Seeing through mucus in an ent procedure

A method for radiographic imaging of a body cavity includes imaging the body cavity using computerized tomography (ct) to form a ct image, registering a tracking system with the ct image, inserting into the body cavity a guidewire, including a position sensor, operating in the tracking system, attached to a distal end of the guidewire, in response to signals from the position sensor acquired by the tracking system, displaying a position of the distal end of the guidewire on the ct image. The method further includes assigning voxels within a predefined imaging volume relative to the distal end and having a radiodensity less than a predetermined threshold to have a uniform radiodensity of a predefined default value, incorporating the voxels with the assigned predefined default value into the ct image so as to form an updated ct image, and displaying the updated ct image..
Biosense Webster (israel) Ltd.

Led lighting incorporating dmx communication

A light emitting diode (led) lighting fixture includes a lamp having a tube with at least one led lamp positioned therein and operatively connected with external electrical contacts. The lamp has at least one communication protocol address associated therewith.

Methods, apparatuses, and systems for operating light emitting diodes at low temperature

Light-emitting diodes (leds) generate light more efficiently than high-intensity discharge lamps or high-intensity fluorescent lamps. Driving a series of leds with a constant-voltage primary supply and a low-voltage led driver keeps efficiency high.
Digital Lumens, Inc.

Photonic frame switching system determining moment of transmitting photonic frame based on time used for changing wavelength of tunable laser diode

A photonic frame switching system may include a main controller and at least one photonic frame wrapper line card. The main controller may determine a point in time at which a photonic frame wrapper line card transmits a photonic frame by allocating a time slot to the photonic frame wrapper line card.
Electronics And Telecommunications Research Instit Ute

Integrated image sensor and display pixel

In one example, a display includes an array of display pixels. Each display pixel includes at least one light-emitting diode.
Intel Corporation

Lighting based authentication of a mobile electronic device

A light emitting diode (led) based illumination device authenticates a mobile electronics device on a lighting communications network. The mobile electronic device may request a communications link on the lighting communications network and detect modulated illumination light emitted from the led based illumination device.
Xicato, Inc.

Fast pulse generator

A pulse generator is disclosed. The pulse generator can include a pulsed switch, such as a diode.
The University Court Of The University Of St. Andrews

Llc resonant frequency auto detection

Generally speaking, a timing circuit helps determine diode conduction time of an llc converter. In some examples, the circuit includes an llc converter having a secondary side and a timing circuit, the timing circuit coupled to the llc converter on the secondary side.
Texas Instruments Incorporated

Method and correcting for power harmonics

A light-emitting diode (“led”) lighting unit includes an operational, a sense resistor electrically connected to the input of the operational amplifier, a first field effect transistor (“fet”) whose gate is electrically connected to the output such that the input voltage at the gate of the first fet rises and falls with the output voltage, a second fet whose gate is electrically connected to the output such that the input voltage at the gate of the second fet rises and falls with the output voltage, and a string of led lights connected such that when the voltage across the string drops below a level to operate, the voltage across a sense resistor drops, causing the operational amplifier to increase its output until the input voltage at the gate of the second fet increases allowing one bank of led lights to operate.. .
B/e Aerospace, Inc.

Zener overvoltage protection (ovp) with a thermal trigger

The present disclosure describes aspects of zener overvoltage protection (ovp) with a thermal trigger for an implant. In some aspects, an apparatus comprises a rectifier disposed in a rectification circuit and configured to rectify alternating current (ac) power received at the rectification circuit to direct current (dc) power.
Qualcomm Incorporated

Power and brightness scaling in fiber coupled diode lasers using diodes with optimized beam dimensions

A number of beams that can be coupled into an optical fiber can be increased using emitted beams having greater divergence, thus providing increased beam power. Alternatively, with a fixed number of emitters, total optical power can be maintained with fewer beams in an output beam with a smaller numerical aperture..
Nlight, Inc.

Organic semiconducting compounds

The invention relates to novel organic semiconducting compounds containing a polycyclic unit, to methods for their preparation and educts or intermediates used therein, to compositions, polymer blends and formulations containing them, to the use of the compounds, compositions and polymer blends as organic semiconductors in, or for the preparation of, organic electronic (oe) devices, especially organic photovoltaic (opv) devices, perovskite-based solar cell (psc) devices, organic photodetectors (opd), organic field effect transistors (ofet) and organic light emitting diodes (oled), and to oe, opv, psc, opd, ofet and oled devices comprising these compounds, compositions or polymer blends.. .
Merck Patent Gmbh

Light emitting diodes with integrated reflector for a direct view display and making thereof

An led subpixel can be provided with a reflector layer that controls viewing angles. After formation of an array of nanowires including first conductivity type cores and active layers, a second conductivity type semiconductor material layer, a transparent conductive oxide layer, and a dielectric material layer are sequentially formed.
Glo Ab

Display apparatus

A display apparatus includes a substrate, a light-emitting diode (“led”) provided above the substrate, an insulating layer provided above the led, and a wire grid polarizer (“wgp”) provided above the insulating layer.. .
Samsung Display Co., Ltd.

Wavelength converted light emitting device

In a method according to embodiments of the invention, for a predetermined amount of light produced by a light emitting diode and converted by a phosphor layer comprising a host material and a dopant, and for a predetermined maximum reduction in efficiency of the phosphor at increasing excitation density, a maximum dopant concentration of the phosphor layer is selected.. .
Lumileds Holding B.v.

Micro light-emitting diode chip

A micro light-emitting diode chip includes an epitaxial structure, a first electrode, and a second electrode. The epitaxial structure includes a first type doped semiconductor layer, a light emitting layer, and a second type doped semiconductor layer, and the epitaxial structure further includes a first surface, side surface and a second surface opposite to the first surface.
Playnitride Inc.

Infrared led

An infrared led having a monolithic and stacked structure, having an n-doped base substrate, which includes gaas, a lower cladding layer, an active layer for generating infrared radiation, an upper cladding layer, a current distribution layer and an upper contact layer. The layers being preferably disposed in the specified order.
Azur Space Solar Power Gmbh

Micro light emitting diode chip and display panel

A micro light emitting diode chip having a plurality of light-emitting regions, including a semiconductor epitaxial structure, a first electrode and a plurality of second electrodes disposed at interval is provided. The semiconductor epitaxial structure includes a first-type doped semiconductor layer, a plurality of second-type doped semiconductor layers and a plurality of light-emitting layers disposed at interval.
Playnitride Inc.

Apd focal plane arrays with backside vias

An avalanche photodiode (apd) array with reduced cross talk comprises, in the illustrative embodiment, a 2d array of geiger-mode apds, wherein a via is formed partially through the backside (substrate) of each apd in the array, wherein the via is offset from the active region of each said apd.. .
Argo Ai, Llc

Semiconductor device and forming the same

A diode, uv radiation detector, and method of manufacturing semiconductor device that includes a diode with a substrate having a first side and a second side. The diode includes an active layer having a rocksalt phase crystalline structure of cas disposed on the first side of the substrate, and an electrical contact disposed on the second side of the substrate.
The Hong Kong University Of Science And Technology

Deformable paper origami optoelectronic devices

Deformable optoelectronic devices are provided, including photodetectors, photodiodes, and photovoltaic cells. The devices can be made on a variety of paper substrates, and can include a plurality of fold segments in the paper substrate creating a deformable pattern.
King Abdullah University Of Science And Technology

Semiconductor device

A semiconductor device has a semiconductor substrate including a first conductivity-type drift layer, a second conductivity-type base layer disposed in a surface layer portion of the drift layer, and a second conductivity-type collector layer and a first conductivity-type cathode layer disposed opposite to the base layer with respect to the drift layer. In the semiconductor substrate, an igbt region and a diode region are alternately and repetitively arranged.
Denso Corporation

Organic light emitting diode display device

An organic light emitting diode display device includes a substrate, a protection layer on the substrate, the protection layer including a trench pattern and a recessed portion, a first electrode on the protection layer, a pixel defining layer on the protection layer, the pixel defining layer defining an opening that exposes at least a part of the first electrode, an organic light emitting layer on the first electrode, and a second electrode on the organic light emitting layer. The recessed portion overlaps the opening and is spaced apart from an edge of the opening in a plan view.
Samsung Display Co., Ltd.

Resistive change elements incorporating carbon based diode select devices

The present disclosure is directed toward carbon based diodes, carbon based resistive change memory elements, resistive change memory having resistive change memory elements and carbon based diodes, methods of making carbon based diodes, methods of making resistive change memory elements having carbon based diodes, and methods of making resistive change memory having resistive change memory elements having carbons based diodes. The carbon based diodes can be any suitable type of diode that can be formed using carbon allotropes, such as semiconducting single wall carbon nanotubes (s-swcnt), semiconducting buckminsterfullerenes (such as c60 buckyballs), or semiconducting graphitic layers (layered graphene).
Nantero, Inc.

Light emitting diode module and forming a light emitting diode module

The invention provides an led module having a concentrated light output window. Light output from a first output window of an led assembly (e.g.
Lumileds Holding B.v.

Image sensor with reduced optical path

Among other things, one or more image sensors and techniques for forming image sensors are provided. An image sensor comprises a photodiode array configured to detect light.
Taiwan Semiconductor Manufacturing Company Limited

Image sensor

An image sensor includes a light-sensing element that generates charge in response to incident light, a storage diode formed in a substrate, wherein the storage diode stores the charge generated by the light-sensing element, a floating diffusion region formed in a top surface of the substrate and spaced apart from the storage diode, and a transfer gate at least partially buried under the top surface of the substrate, wherein the transfer gate controls the transfer of the charge from the storage diode to the floating diffusion region.. .
Samsung Electronics Co., Ltd

Solid-state image sensor and electronic device

There is provided a solid-state imaging device including a substrate having a surface over which a plurality of photodiodes are formed, and a protection film that is transparent, has a water-proofing property, and includes a side wall part vertical to the surface of the substrate and a ceiling part covering a region surrounded by the side wall part, the side wall part and the ceiling part surrounding a region where the plurality of photodiodes are arranged over the substrate.. .
Sony Corporation

Display apparatus and manufacturing the same

A method of manufacturing a display apparatus includes separating a light-emitting diode (“led”) chip from a base substrate; disposing the separated light-emitting diode chip in a solution; disposing a substrate including a first electrode thereon, in the solution; with the separated light-emitting diode chip and the substrate including the first electrode thereon in the solution, applying a negative voltage to the substrate to attract the separated light-emitting diode chip to the first electrode on the substrate; mounting the light-emitting diode chip attracted to the first electrode, on the first electrode; and removing the substrate with the light-emitting diode chip mounted on the first electrode from the solution and drying the removed substrate, to form the display apparatus.. .
Samsung Display Co., Ltd.

Display device

To make the dimension of an electrostatic protection circuit small with the same maintained high in sensitivity. The electrostatic protection circuit is of the configuration that a first diode and a second diode are connected in series, wherein a semiconductor layer owned by each diode is configured to be sandwiched between a gate electrode and a conductive light shielding film.
Japan Display Inc.

Power semiconductor device having trench gate type igbt and diode regions

Switching loss is reduced. A first surface of a semiconductor substrate has a portion included in an igbt region and a portion included in a diode region.
Mitsubishi Electric Corporation

Power semiconductor device having trench gate type igbt and diode regions

Switching loss is reduced. A first surface of a semiconductor substrate has a portion included in an igbt region and a portion included in a diode region.
Mitsubishi Electric Corporation

Method of producing a semiconductor device

A semiconductor body having a drift region layer, a body region layer adjoining the drift region layer, and a source region layer adjoining the body region layer and forming a first surface of the semiconductor body is provided. At least two trenches extend from the first surface of the semiconductor body through the source region layer and the body region layer.
Infineon Technologies Austria Ag

Semiconductor integrated circuit device

A semiconductor integrated circuit device with a “pad on i/o cell” structure in which a pad lead part is disposed almost in the center of an i/o part so as to reduce the chip layout area. In the i/o part, a transistor lies nearest to the periphery of the semiconductor chip.
Renesas Electronics Corporation

Display device

An organic light emitting display device comprising a display panel including an active area where an image is displayed and a pad area corresponding to a non-display area, the display device includes a first substrate and a second substrate, which face each other, an organic light emitting diode arranged on the first substrate in the active area, a signal pad arranged on the first substrate in the pad area, a connection electrode connected with one side of the signal pad, and a flexible circuit film connected with the connection electrode, wherein the signal pad includes a plurality of lines arranged by interposing an insulating film therebetween, and the plurality of lines are electrically connected with each other.. .
Lg Display Co., Ltd.

Organic light emitting diode display device and fabricating the same

An organic light emitting diode display device comprises a driving thin film transistor including a first semiconductor layer, a gate insulating layer formed on the first semiconductor layer. The device further includes a storage capacitor including a first capacitor electrode electrically coupled to a drain electrode of the driving thin film transistor, a buffer layer formed on the first capacitor electrode, a second semiconductor layer formed on the buffer layer, and a second capacitor electrode formed on the second semiconductor layer and electrically coupled to a gate electrode of the driving thin film transistor.
Lg Display Co., Ltd.

Metallic glow discharge diode and triode devices with large cold cathode as efficient charger generator - a power cell

The invention describes a metal container that comprises a cathode containing an insulated anode with gases at pressures less than a fraction (0.1-0.9) of a mmhg. Metallic normal glow discharge diode and triode devices with large cold cathode area as efficient charge generator to function as a power cell.

Driving method and driving circuit for light emitting diode light source assembly

The present application discloses a circuit for driving a light emitting diode light source assembly having a plurality of light emitting diode groups, each group having at least one light emitting diode. The circuit includes a processor configured to determine a set brightness level, calculate a number of light emitting diode groups required to be on to achieve the set brightness level, and select the number of light emitting diode groups to be turned on at allocated positions in the light emitting diode light source assembly; and a driving sub-circuit configured to turn on the number of light emitting diode groups at the allocated positions.
Beijing Boe Optoelectronics Technology Co., Ltd.

Pixel and organic light emitting display device using the same

A pixel capable of improving display quality may include an organic light emitting diode, a first transistor configured to control, in response to a voltage of a first node, current flowing from a first driving power source to a second driving power source via the organic light emitting diode, a second transistor coupled between the first node and a second electrode of the first transistor, and configured to be turned on when a scan signal is supplied to a scan line, a storage capacitor coupled between an initialization power source and the first node, a first capacitor coupled between the second electrode of the first transistor and a data line, and a second capacitor coupled between the first node and the second electrode of the first transistor. A display including such pixels also is disclosed..
Samsung Display Co., Ltd.

Organic light emitting display apparatus

An organic light-emitting display apparatus includes an organic light-emitting diode, a switching transistor, a first light emission control transistor, and a driving transistor. The organic light-emitting diode includes an anode and a cathode for receiving a reference voltage.
Samsung Display Co., Ltd.

Organic light-emitting diode display

An organic light-emitting diode (oled) display is disclosed. In one aspect, the oled display includes a data line disposed on a substrate and extended in a first direction, a power line disposed on the substrate and extended in the first direction, a scan signal line disposed on the substrate across the data line, an active layer formed over the substrate, wherein the active layer includes first to fourth regions, wherein the first and fourth regions are connected to each other through a connecting region, a first transistor including the active layer formed between the first region and the second region, a second transistor including the active layer formed between the third region and the fourth region, and wherein the active layer is extended from the first region, the organic light emitting diode is electrically coupled to the first transistor, and a storage capacitor including a first electrode and a second electrode formed over the first electrode, wherein the second electrode overlaps with at least of an area of the first electrode.
Samsung Display Co., Ltd.

Organic light emitting diode (oled) display

An organic light emitting diode (oled) display is disclosed. In one aspect the display includes a display panel having first through fourth pixels and a scan driving unit that outputs a scan signal to the display panel.
Samsung Display Co., Ltd.

Organic light emitting diode (oled) display

An organic light emitting diode (oled) display is disclosed. In one aspect the display includes a display panel having first through fourth pixels and a scan driving unit that outputs a scan signal to the display panel.
Samsung Display Co., Ltd.

Organic light-emitting diode (oled) pixel circuit, display device and control method

The present disclosure provides an oled pixel circuit, a display device and a control method. The oled pixel circuit includes: an oled; a driving transistor; a first switching unit; a second switching unit; a compensation circuit connected to the gate electrode of the driving transistor and configured to maintain a voltage of the gate electrode of the driving transistor during a light-emitting period, so as to enable a current flowing through the oled to be irrelevant to a threshold voltage vth of the driving transistor; and a reference signal generation module configured to generate, based on a current threshold voltage of the driving transistor, a reference signal to be used by the compensation circuit, wherein a voltage of the reference signal and the threshold voltage meet at least one of validation conditions capable of validating the compensation circuit..
Boe Technology Group Co., Ltd.

Systems, devices, and/or methods for managing mat appearance

Certain exemplary embodiments can provide a system, which can comprise a pad. The pad comprises an array of light emitting diodes, wherein each light emitting diode of the array of light emitting diodes can be capable of being illuminated in a plurality of colors responsive to a signal from an information device.

Organic light-emitting diode (oled) display including touch sensor

An organic light-emitting diode (oled) display is disclosed. In one aspect, the oled display includes a display substrate, an encapsulation substrate formed over the display substrate, and a window formed over the encapsulation substrate, wherein the window includes a surface facing the display substrate.
Samsung Display Co., Ltd.

Motion and gesture input from a wearable device

This disclosure relates to detecting hand gesture input using an electronic device, such as a wearable device strapped to a wrist. The device can have multiple photodiodes, each sensing light at a different position on a surface of the device that faces skin of a user.
Apple Inc.

Optical modulator having mach-zehnder diodes of reduced length

A mach-zehnder modulator (mzm) includes a first optical path with a first diode coupled to a first voltage signal node and configured to modify a phase of a first light signal transmitted through the first optical path. A further diode is positioned in the first optical path and configured to introduce a phase shift to the first light signal.
Stmicroelectronics Sa

Illumination optical system for laser line generator

High resolution printing systems that utilize high power laser diode bars and digital mirror devices (dmd) require side-by-side stacking of illumination modules to stitching of the image from each module to form a longer total image width. An inline illumination optical system having a refractive prism and total internal reflection (tir) prism pair with an air gap along with a light guide transporting light beams at a compound angle to the prism pair eliminates the need for any axial rotation of the laser and light guide, and enables side-by-side module stacking.
Palo Alto Research Center Incorporated

Channel cut backlight for liquid crystal display

A liquid crystal display (lcd) device a lcd panel and a segmented backlight for illuminating the lcd panel. The backlight includes a light guide having an array of light channels.
Oculus Vr, Llc

Monitoring detecting flowing microscopic objects

A system (1) for detecting microscopic objects located in a flowing fluid. It comprises a lighting system (205, 305) comprising at least one led diode (605) for supplying light to the flowing fluid; an image capture system (201, 601) configured to capture a sequence of images of the fluid.
Atten2 Advanced Monitoring Technologies S.l.

Spad array structures and methods of operation

Compact single photon avalanche diode (spad) array structures are described. An on board common trigger circuit is used for two or more spad structures.
The Commonwealth Of Australia

Edge-lit lighting device

A circular edge-lit lighting device includes a light emitting panel (lep) and a first light emitting diode (led) light source positioned proximal to a first location on a narrow outer perimeter edge of the lep. The first led light source is configured to emit a first light into the lep through the narrow outer perimeter edge.
Eaton Intelligent Power Limited

Lighting system incorporating chip scale package light emitting diodes

A lighting system includes a chip scale package light emitting diode mounted to a substrate and covered by an optic. The chip scale package light emitting diode has six faces with the top face and the four side faces operative to emit light and the bottom face oriented toward the substrate.
Cooper Technologies Company

Fluid diodes with ridges to control boundary layer in axial compressor stator vane

An entrance stator in a turbofan has an airfoil shape with a leading edge and a trailing edge connected by surfaces which define a suction side and a pressure side. The entrance stator has a channel with an opening on the pressure side, extending to an exit on the suction side, having a pressure gradient between the opening and the exit.
Rolls-royce Coporation

Method and system for isolating adipose-derived stem cells

The present invention refers to a non-invasive method for isolating adipose-derived stem cells from adipose tissue by illuminating the adipose tissue with at least one laser having a wavelength of between 360 nm to 480 nm or between 800 nm to 2 pm for a predetermined time for dissociating fat cells and blood vessels of the adipose tissue to release intact stem cells from the adipose tissue while maintaining the viability of the stem cells. In the preferred embodiment, the adipose tissue is illuminated with pulsed near infra-red (nir) laser and a continuous wave (cw) diode blue laser.
Agency For Science, Technology And Research

Systems, devices, and/or methods for managing mat appearance

Certain exemplary embodiments can provide a system, which can comprise a pad. The pad comprises an array of light emitting diodes, wherein each light emitting diode of the array of light emitting diodes can be capable of being illuminated in a plurality of colors responsive to a signal from an information device.

Probe for localized neural optogenetics stimulation and neurochemistry recordings

A neural probe is presented for local neural optogenetics stimulation and neurochemistry recordings. The neural probe includes a probe body, a shank extending from the probe body to a tip, a plurality of micro light-emitting diodes (leds) positioned across a length of a first surface of the shank for providing neuron-affecting light, a plurality of carbon devices, and a plurality of carbon electrodes positioned across a length of a second surface of the shank, the second surface in opposed relation to the first surface.
International Business Machines Corporation

Nirs device with optical wavelength and path length correction

A near infrared spectrometer and method for wavelength and path length correction are disclosed. The spectrometer includes a number of photodiodes that transmit broadband near infrared measurement light into the tissue and at least one broadband detector which measures the light signal transmitted through the tissue.
Hutchinson Technology Incorporated

A non-isolated switching mode power supply for a high-voltage light strip

A non-isolated switching mode power supply for a high-voltage light strip is disclosed. The non-isolated switching mode power supply comprises a full-bridge rectifier circuit, a switch tube q2, an electrolytic capacitor c2, an energy-storage inductor l1, a diode d4 and a pwm circuit.
Guangdong Oml Technology Co., Ltd.

Light-emitting diode driver device and driving light-emitting diode

The present invention involves use of at least two unidirectional elements to provide flow paths for the positive half cycle and the negative half cycle of the ac power input, respectively, and the at least two led modules are integrated in the flow path of the positive half cycle and the negative half cycle, respectively, and a multi-stage driver module is integrated, so that when the positive half cycle or the negative half cycle is conducting, the at least two led modules are lit up in different alternating orders, thereby rendering the light emission of the at least two led modules substantially identical in an ac power cycle in terms of power and brightness. The invention overcomes the problem of uneven brightness of the led lighting apparatus using a conventional multi-stage driver device..
Jitboundary United Production Inc.

Dimming device

A signal source generates a drive signal according to a dimming level. A discharge part includes a series circuit having a zener diode and a rectifier element connected in series.
Panasonic Intellectual Property Management Co., Ltd.

Solid-state lighting with auto-select settings for line voltage and ballast voltage

An led lamp, comprising a first full-wave rectifier, a ballast operation circuit, an led driving circuit, led array(s), and an optocoupler, replaces a fluorescent tube or a conventional led tube lamp in lamp fixture sockets that are wired to connect to either ac mains or a ballast. The ballast operation circuit, comprising two frequency sensitive devices, a second full-wave rectifier, and two or more diodes connected in series, auto-selects an input ac voltage to operate the led lamp without ambiguity and safety issues.
Aleddra Inc.

Adaptive turn-off delay time compensation for led controller

A light emitting diode controller integrated circuit includes counter circuitry having inputs coupled to a clock signal input pin, a pulse width modulated signal input pin, and a sense input pin, and has a count output coupled to a gate drive signal output to an external power transistor. The power transistor is connected in series between a power lead, a sense resistor, and a light emitting diode.
Texas Instruments Incorporated

Image sensors and electronic apparatuses including the same

An image sensor may optimize control of each pixel and/or each photodiode therein according to various pixel structures therein. An electronic apparatus may include the image sensor.
Samsung Electronics Co., Ltd.

Image sensors having high dynamic range functionalities

An image sensor pixel may include a photodiode, a charge storage region, a floating diffusion node, and a capacitor. A first transistor may be coupled between the photodiode and the charge storage region.
Semiconductor Components Industries, Llc

Solid-state imaging device

A solid-state imaging device includes a photodetecting unit and a signal readout unit, and further includes a control unit controlling an operation of each of the photodetecting unit and the signal readout unit. The photodetecting unit includes m×n pixels on a first principal surface of a semiconductor substrate having the first principal surface and a second principal surface opposite to each other.
Hamamatsu Photonics K.k.

High-speed autocompensation scheme of quantum key distribution

The invention relates to quantum cryptography, and includes a communication system for transmitting a cryptographic key between the ends of a channel, including a transmitting node (alice) comprising a beam splitter, an electro-optical attenuator, an amplitude modulator, a phase modulator, a storage line, a faraday mirror, a synchronization detector; a receiving node (bob) that includes avalanche photodiodes, a beam splitter, a circulator, a delay line, a phase modulator, a polarizing beam splitter, a mach-zehnder interferometer, and also a quantum channel for connecting these nodes. In this case, for the storage line is placed between the electro-optical phase modulator of the sender and the faraday mirror.
International Center For Quantum Optics & Quantum Technologies Llc

Ratiometric control of optical devices

Embodiments of the invention comprise a photonic integrated circuit (pic) including an optical device and a silicon integrated circuit (ic) (such as an application specific ic (asic)) including a controller for the optical device. The pic and silicon ic are integrated on a shared substrate.
Aurrion, Inc.

Sampling gate for broadband frequency reconstruction

A sampling gate comprising a first frequency input coupled to a first frequency path from a broadband photodiode. The sampling gate also includes a positive bias input coupled to a positive offset portion of a second frequency path from the broadband photodiode.
Tektronix, Inc.

High current burn-in of solar cells

A method of high reverse current burn-in of solar cells and a solar cell with a burned-in bypass diode are described herein. In one embodiment, high reverse current burn-in of a solar cell with a tunnel oxide layer induces low breakdown voltage in the solar cell.
Sunpower Corporation

Adaptive on-time algorithm for llc converters

A circuit for use in an llc converter to control diode conduction time includes a secondary side controller, the secondary side controller configured to monitor voltage, measure a diode conduction time for the llc converter, in response to determining that the diode conduction time is greater that a target time, increase the on-time for the first switch, and in response to determining that the diode conduction time is less than a target time, decrease the on-time for the first switch.. .
Texas Instruments Incorporated

Power device

The invention provides a power device, which includes: an operation layer, including a top surface, a body region and a drift region, the body region and the drift region being connected in a lateral direction, to form a pn junction along a channel width direction between the body region and the drift region; a gate, formed on the top surface, and the pn junction is located under the gate; a source, formed in a portion of the operation layer between the body region and the top surface; a drain, formed in another portion of the operation layer between the drift region and the top surface; a first conduction portion, formed on the top surface for electrically connecting the source; a conduction layer, formed on the first conduction portion and electrically connected to the source via the first conduction portion; and a second conduction portion, formed on the top surface and between the conduction layer and the drift region in a thickness direction, for electrically connecting the drift region and the conduction layer, wherein a schottky diode is formed by the second conduction portion and the drift region.. .
Richtek Technology Corporation

Optical charging system with integrated sensor and power receiver

Embodiments of the disclosure can provide an optical charging system with an integrated sensor and power receiver. An electronic device (e.g., a wearable) can include an optical sensor for performing photometric measurements.
Analog Devices Global

Charging system

A charging system for charging a battery is disclosed. The charging system includes a first light emitting diode (led), a second led, a power conversion module, and a charge control module.
Chicony Power Technology Co., Ltd.

Electric circuit device

An internal electric circuit device that is connected to a connector terminal at the time of being short-circuited can be protected, but a load connected to the connector terminal has not been able to be protected. When a voltage of a cathode of a diode becomes a voltage equal to or more that an output voltage of a power source circuit by a short circuit of a positive terminal, an output voltage of an amplifier changes from the output voltage of the power source circuit to a voltage of a point connected to a negative power terminal of the op amplifier.
Hitachi Automotive Systems, Ltd.

Heat-dissipating semiconductor assembly

The invention provides a heat-dissipating semiconductor assembly, comprising: a heat-dissipating substrate, a metal solder layer, and an edge emitting laser diode. The heat-dissipating substrate has one side formed with a flat surface for mounting the edge emitting laser diode.
Luxnet Corporation

Package structures and package methods of organic light emitting diode (oled) protection films

The present disclosure relates to a package structure and a package method of oled protection films. The package structure includes: a mask and a glass substrate having at least one oled component.
Wuhan China Star Optoelectronics Technology Co., Ltd.

Organic light emitting device

An exemplary embodiment may provide an organic light emitting diode that includes a first electrode including a concave part or a convex part, an organic light emitting layer disposed on the first electrode, and a second electrode disposed on the organic light emitting layer. Further, the exemplary embodiment may provide an organic light emitting device including the organic light emitting diode..
Lg Display Co., Ltd.

Active matrix enhanced organic light emitting diode displays for large screen graphic display application

An active matrix light emitting display comprising an anode layer comprising a plurality of individual selectively energizable anodes, a cathode layer comprising a plurality of individual selectively energizable cathodes, an emitter layer for emitting light when energized disposed between the anode layer and the cathode layer, and a photoluminescent layer comprising a plurality of various color photoluminescent pixels, wherein a selected anode and a selected cathode are energizable to photoexcite a selected color pixel. A light emitting device comprising, a light emitting photonic crystal having organic electroluminescent emitter material disposed within the photonic crystal, and a photoluminescent material disposed upon a surface of the light emitting photonic crystal, such that light emitted by the light emitting photonic crystal causes photoexcitation within the photoluminescent material..
Red Bank Technologies, Llc

Organic light-emitting diode, display panel and display device

The disclosure discloses an organic light-emitting diode, a display panel and a display device, where organic light-emitting diode includes an anode, a cathode, at least two light emitting layers arranged between the anode and the cathode, and a hole transport element and an electron transport element which are arranged between two adjacent light emitting layers. Where both the hole transport element and the electron transport element include at least two transport layers, and the volume concentration of the p-type material of the hole transport layer adjacent to the electron transport element is higher, and the volume concentration of the n-type material of the electron transport layer adjacent to the hole transport element is higher..
Shanghai Tianma Am-oled Co., Ltd.

Organic light-emitting diode display substrate, and display apparatus and production method thereof

This disclosure provides an organic light-emitting diode display substrate, and a display apparatus and a production method thereof. The organic light-emitting diode display substrate of this disclosure comprises a blue pixel and a first color pixel, wherein first color light-emitting unit is provided in the first color pixel, and the first color light-emitting unit sequentially comprises a first electrode, a first functional layer, a first color light-emitting layer, a first carrier generation layer, a first blue light-emitting layer, a second carrier generation layer, a second blue light-emitting layer, a second functional layer, and a second electrode in a first direction, and comprises a first color filter; and a blue light-emitting unit is provided in the blue pixel, and the blue light-emitting unit sequentially comprises the first electrode, the first functional layer, the first carrier generation layer, the first blue light-emitting layer, the second carrier generation layer, the second blue light-emitting layer, the second functional layer, and the second electrode in the first direction..
Boe Technology Group Co., Ltd.

Display device

A display device for preventing a curling phenomenon of an edge of a substrate and solving a problem caused by separation of the substrate is disclosed. The display device includes a flexible substrate including a first substrate region overlapping a display unit and a second substrate region except the first substrate region, and a thin film transistor and an organic light emitting diode disposed on the display unit of the first substrate region.
Lg Display Co., Ltd.

Organic semiconductor compositions

The present invention relates to organic copolymers and organic semiconducting compositions comprising these materials, including layers and devices comprising such organic semiconductor compositions. The invention is also concerned with methods of preparing such organic semiconductor compositions and layers and uses thereof.
Smartkem Limited

Flip chip light emitting diode package structure

A flip chip light emitting diode package structure includes a package carrier, a light guiding unit and at least one light emitting unit. The light guiding unit and the light emitting unit are disposed on the package carrier, and the light emitting unit is located between the light guiding unit and the package carrier.
Genesis Photonics Inc.

Multistep deposition of zinc oxide on gallium nitride

A method for fabricating a zinc oxide (zno) conductive film on a semiconductor material, including depositing a doped zno seed layer on a diode, wherein the zno seed layer forms an electrical contact to the diode; and depositing a zno layer on the zno seed layer, wherein the zno seed layer and the zno layer each have a thickness, a crystal quality, and a doping level such that (1) the diode comprising iii-nitride material is turned on with a turn on voltage of 2.75 volts or less applied across the zno layers and the diode, and (2) a contact resistance, of a structure comprising the zno layers and the diode, is lower as compared to a contact resistance of a structure comprising the zno layer directly on the diode without the zno seed layer.. .
The Regents Of The University Of California

Solid state transducer dies having reflective features over contacts and associated systems and methods

Systems and methods for improved light emitting efficiency of a solid state transducer (sst), for example light emitting diodes (led), are disclosed. One embodiment of an sst die in accordance with the technology includes a reflective material disposed over electrical connectors on a front side of the die.
Micron Technology, Inc.

Compact low power head-mounted display

A display panel is described which includes light emitting diodes (leds) that exhibit a specified beam angle. The display panel can be used for a head-mounted display.
Intel Corporation

Light emitting diode

A light emitting diode is provided to comprises: a substrate that has an elongated rectangular shape in one direction; a light emitting structure positioned on the substrate and having an opening for exposing a first conductive semiconductor layer; a first electrode pad disposed to be closer to a first corner of the substrate; a second electrode pad disposed to be relatively closer to a second corner of the substrate opposing to the first corner; a first extension extending from the first electrode pad; and a second extension and a third extension extending from the second electrode pad to sides of the first extension, wherein an imaginary line connecting an end of the second extension and an end of the third extension is located between the first electrode pad and the first corner.. .
Seoul Viosys Co., Ltd.

High voltage pin diode

A pin diode is formed on an insulating structure on a substrate of semiconductor. The insulating structure is disposed on a high voltage doped region in the substrate.
Nuvoton Technology Corporation

High-voltage metal-oxide-semiconductor transistor capable of preventing occurrence of exceedingly-large reverse current

An embodiment of the invention shows a high-voltage mos field-effect transistor connected in series with a schottky diode. When the schottky diode is forwardly biased, the high-voltage mosfet can act as a switch and sustain a high drain-to-source voltage.
Leadtrend Technology Corporation

High voltage junction terminating structure of high voltage integrated circuit

A hvjt structure of hvic includes p-type substrate. Epitaxial layer is formed on the substrate.
Nuvoton Technology Corporation

Organic light emitting display device

Embodiments relate to an organic light emitting display device according to the present disclosure including: a plurality of pixels which includes red, white, blue, and green sub-pixels; driving transistor, each of which is disposed in each sub-pixel; and organic light emitting diodes, each of which is disposed corresponding to each sub-pixel, wherein a first step portion, first and second bank layers, and a first step compensation portion are disposed between the white sub-pixel and a sub-pixel adjacent thereto, thereby having an effect of suppressing a short circuit defect and a light leakage defect. In addition, an organic light emitting display device according to the present disclosure includes: red, white, blue, and green sub-pixels; at least one step portion between the sub-pixels; first and second bank layers; and a step compensation portion, thereby having an effect of suppressing a short circuit defect and a light leakage defect..
Lg Display Co., Ltd.

Light emitting diode display device and multi-screen display device using the same

Disclosed are a light emitting diode display device and a multi-screen display device using the same, which include a minimized bezel area. The light emitting diode display device includes a substrate including a first display area and a second display area surrounding the first display area, a plurality of first unit pixels provided in the first display area and each including a plurality of subpixels each including a micro light emitting device, and a plurality of second unit pixels provided in the second display area overlapping an edge of the substrate and each including a plurality of subpixels and having a size less than a size of each of the plurality of first unit pixels..
Lg Display Co., Ltd.

Display device

A display device is disclosed. The display device includes a substrate including first to fourth subpixels, a first buffer layer positioned on the substrate, the first buffer layer including a silicon nitride layer and a silicon oxide layer, and a thin film transistor and an organic light emitting diode positioned on the first buffer layer.
Lg Display Co., Ltd.

Method for fabricating touch display substrate and touch display substrate

A method for fabricating a touch display substrate and a touch display substrate are provided to solve the problem that existing touch electrodes of the micron-scale line width cannot meet the high ppi requirement. The fabrication method includes: forming functional layers of an organic light-emitting diode (oled) device on a base substrate sequentially to obtain an oled substrate; and forming a linear touch electrode with a nano-scale line width on the oled substrate by electronic sputtering and transferring..
Boe Technology Group Co., Ltd.

Top emission type organic light emitting diode display device

The present disclosure includes a top emission type organic light emitting diode display device. The top emission type organic light emitting diode display device of the disclosed present disclosure includes an overcoating layer disposed on a substrate and including a plurality of convex portions or a plurality of concave portions in which a full width at half maximum is greater than a radius, a first electrode disposed on the overcoating layer, an organic light emitting layer disposed on the first electrode, and a second electrode disposed on the organic light emitting layer..
Lg Display Co., Ltd.

Three-dimensional vertical multiple-time-programmable memory comprising no separate diode layer

The present invention discloses a three-dimensional vertical multiple-time-programmable memory (3d-mtpv) comprising no separate diode layer. It comprises a plurality of vertically stacked horizontal address lines, at least a memory hole through the horizontal address lines, a memory layer and a vertical address line disposed in the memory hole.
Chengdu Haicun Ip Technology Llc

Image sensor comprising nanoantenna

An image sensor includes a plurality of nanoantennas that satisfy sub-wavelength conditions. Each of the nanoantennas includes a diode and a transistor.
Samsung Electronics Co., Ltd.

Method of operating an igbt having switchable and non-switchable diode cells

A method of operating an igbt is described. The igbt has gate, emitter and collector terminals, and igbt cells, switchable diode cells, and non-switchable diode cells integrated in a semiconductor substrate, wherein each of the igbt cells and switchable diode cells includes an operable switchable channel region.
Infineon Technologies Ag

Semiconductor device with an igbt region and a non-switchable diode region

A semiconductor device includes a semiconductor substrate having a body layer arranged between a front side and a drift layer, and forming a pn-junction with the drift layer. A front metallization is on the front side in ohmic connection with the body layer, and a back metallization opposite is in ohmic connection with the drift layer.
Infineon Technologies Ag

Silicon-controlled rectifiers having a cathode coupled by a contact with a diode trigger

Silicon-controlled rectifiers, electrostatic discharge circuits, and methods of fabricating a silicon-controlled rectifier for use in an electrostatic discharge circuit. A device structure for the silicon controlled rectifier includes a first well of a first conductivity type in a semiconductor layer, a second well of a second conductivity type in the semiconductor layer, a cathode coupled with the first well, and an anode coupled with the second well.
Globalfoundries Inc.

Semiconductor device comprising a clamping structure

Semiconductor device is provided with a semiconductor body that includes a clamping structure including a first pn junction diode and a second pn junction diode serially connected back to back between a first contact and a second contact. A breakdown voltage of the first pn junction diode is greater than 100 v, and a breakdown voltage of the second pn junction diode is greater than 10 v..
Infineon Technologies Austria Ag

Power semiconductor module

A power semiconductor module including a positive-side switching device and a positive-side diode device which are mounted on a positive-side conductive pattern, and a negative-side switching device and a negative-side diode device which are mounted on an output-side conductive pattern. When an insulating substrate is viewed in plan view, the positive-side diode device and the negative-side diode device are disposed between the positive-side switching device and the negative-side switching device, and the negative-side diode device is disposed closer to the positive-side switching device than the positive-side diode device is..
Mitsubishi Electric Corporation

Display module and system applications

A display module and system applications including a display module are described. The display module may include a display substrate including a front surface, a back surface, and a display area on the front surface.
Apple Inc.

Semiconductor device comprising pn junction diode and schottky barrier diode

A semiconductor device includes a mosfet including a pn junction diode. A unipolar device is connected in parallel to the mosfet and has two terminals.
Rohm Co., Ltd.

Larger displays formed by multiple integrated led array micro-displays

Larger displays formed by multiple sub-displays, e.g., integrated light-emitting diode (led) pixel array micro-displays, and methods of operating and making the larger displays are provided. An example larger display includes a plurality of sub-displays arranged on a display substrate.

Conductive adhesive layer for semiconductor devices and packages

In various embodiments this disclosure is directed to conductive adhesives layers that can be used, in one example embodiment, to connect one or more shielding structures (for example, metal cans and/or covers) to a semiconductor package to enclose one or more electronic components on the semiconductor package. In another embodiment, the conductive adhesive layers disclosed herein can be used in connection with optoelectronic devices (for example, optoelectronic devices including laser diodes and/or avalanche photodiodes, apds).
Intel Corporation

Electric relay structure

A step-by-step electric relay structure of a bistable type, comprising a mechanical part and an electric part, the mechanical part comprising push-button means to be operated by a user and the electric part comprising coil means, capacitor means, resistor means and diode means operatively interconnected to one another, the coil means comprising either two coils coupled in parallel to one another or a single coil polarized or biased with two polarities, thereby, as the push-button means are operated by the user to provide a switching or exchanging of at least a contact of the relay structure, either one of the two coils is shorted or the two polarities of the single coil are mutually reversed, thereby providing the electric relay structure with a logic set function and a logic reset function.. .
Vimar S.p.a.

Apparatus with low power sram retention mode

A memory array and an integrated circuit are disclosed. The memory array includes first and second banks of memory elements and five switches.
Texas Instruments Incorporated

Smart pixel lighting and display microcontroller

A light emitting assembly is described. In one embodiment, one or more light emitting diode (led) devices and one or more microcontrollers are bonded to a same side of a substrate, with the one or more microcontrollers to switch and drive the one or more led devices..
Apple Inc.

Liquid crystal display device and compensation circuit of organic light-emitting diode thereof

The disclosure discloses a liquid crystal display device and a compensation circuit of an organic light emitting diode thereof. The compensation circuit at least includes: a first switch unit, a second switch unit, a third switch unit and a fourth switch unit, when the first switch unit is off, the second switch unit, the third switch unit and the fourth switch unit are on, the compensation circuit drives the organic light-emitting diode to irradiate, in order to compensate the organic light-emitting diode.
Shenzhen China Star Optoelectronics Technology Co., Ltd.

Circuit for sensing threshold voltage and display device including the same

A circuit configured to sense a threshold voltage of an organic light emitting diode (oled) of a display panel includes a sample and hold unit configured to receive the threshold voltage of the oled, a first capacitor configured to sample the threshold voltage of the oled, a second capacitor configured to charge-share the voltage on the first capacitor, an output terminal configured to output the voltage on the second capacitor, and an amplifier including an input terminal connected to the output terminal of the sample and hold unit. The sample and hold unit includes a first switching unit configured to selectively connect the oled, the first capacitor, the second capacitor, the first capacitor and a first or second reference voltage, the second capacitor and the second or a third reference voltage, and the second capacitor and the output terminal..
Dongbu Hitek Co., Ltd.

Circuit for sensing threshold voltage and display device including the same

A circuit configured to sense a threshold voltage of an organic light emitting diode (oled) of a display panel includes a sample and hold unit configured to receive the threshold voltage of the oled, a first sampling capacitor between the first input terminal and a first reference voltage, and a first charge sharing capacitor having a first terminal connected to the first sampling capacitor and a second terminal connected to a second reference voltage, a second sample and hold unit including a second input terminal connected to the first reference voltage, a second sampling capacitor between the second input terminal and the first reference voltage, and a second charge sharing capacitor having a first terminal connected to the second sampling capacitor and a second terminal connected to a third reference voltage, and an amplifier including first and second amplifier input terminals connected to the first and second output terminals, respectively.. .
Dongbu Hitek Co., Ltd.

Organic light-emitting diode display device and driving the same

An organic light-emitting diode (oled) display device can include a pixel and a data driver. The pixel includes a driving thin film transistor (tft) to drive an oled element, a first switching tft to connect a data line to a gate electrode of the driving tft, a second switching tft to connect a reference line to a source electrode of the driving tft and a capacitor connected between the gate electrode and the source electrode of the driving tft.
Lg Display Co., Ltd.

Electroluminescent display

An electroluminescent display is disclosed. An electroluminescent display comprises a display panel including a plurality of pixels, each of the plurality of pixels including subpixels.
Lg Display Co., Ltd.

Organic light-emitting diode display device

An oled display device capable of simplifying the configuration of an external compensation circuit and reducing a compensation time is disclosed. The oled display device includes a display panel including a pixel, a feedback compensator circuit connected to the pixel through a data line and a sensing line of the display panel, the feedback compensator circuit including an error amplifier configured to receive, through a feedback line, a feedback current flowing into the sensing line and a feedback voltage generated by a sensing resistor, from the pixel during a scan period, compare a data input voltage with the feedback voltage to adjust a data output voltage supplied to the pixel through the data line, and set a target current for driving an oled element in the pixel, and a precharger configured to precharge the feedback compensator circuit at a front part of the scan period..
Lg Display Co., Ltd.

Pixel circuit and driving pixel circuit

Disclosed are a pixel circuit and a method for driving the pixel circuit. The pixel circuit includes a light-emitting diode; a driving transistor; a first transistor connected between a data line and the driving transistor, a gate electrode of the first transistor being connected to a first scanning line; a second transistor connected between a first power line and the driving transistor, a gate electrode of the second transistor being connected to a second scanning line; a third transistor connected between a gate electrode of the driving transistor and the second transistor, a gate electrode of the third transistor being connected to a third scanning line; and a driving capacitor connected between the gate electrode of the driving transistor and the first power line, in which the driving transistor is further connected to a second power line via the light-emitting diode..
Shenzhen Royole Technologies Co., Ltd.

Method for generating dimming signal of light emitting diode display device

A dimming signal arranging method used for a light emitting diode display device is provided in the present disclosure. The dimming signal arranging method used for a light emitting diode display device includes the steps: determining whether a total number of dimming unit signals of a dimming signal is greater than a number of frames of a working interval; averagely arranging a first group of the dimming unit signals in at least one frame of the frame groups that is not a predetermined frame of each frame group; arranging a second group of the dimming unit group in at least one predetermined frame of the frame groups; and providing a dimming signal..
Anpec Electronics Corporation

Light-emitting diode device control method

A light-emitting diode device control method includes using a reset voltage source to reset a control terminal of a driving-transistor of the light-emitting diode device; compensating the control terminal of the driving-transistor to a compensation voltage level; resetting a first terminal of the driving transistor to a target voltage level so as to increase a voltage difference between the first terminal and a second terminal of the driving transistor; and the driving transistor providing a driving current for driving a light-emitting diode of the light-emitting diode device to emit light.. .
Au Optronics Corporation

Dynamic granularity adjustment

Techniques for displaying content on an oled display while decreasing the appearance of image sticking are provided. In an example, a computing system, includes an organic light-emitting diode (oled) display and a memory to store pixel history values for blocks of pixels in the oled display.
Intel Corporation

Head worn wireless computer having high-resolution display suitable for use as a mobile internet device

A handheld wireless display device, having at least svga-type resolution, includes a wireless interface, such as bluetooth™, wifi™, wimax™, cellular or satellite, to allow the device to utilize a number of different hosts, such as a cell phone, personal computer, media player. The display may be monocular or binocular.
Kopin Corporation

Carrier-effect based optical switch

A carrier-effect based optical switch, a method of operating the carrier-effect based switch, and a controller module for controlling a carrier-effect based optical switch are provided. The carrier-effect based optical switch comprises input and output optical couplers, first and second optical waveguide arms each connecting the input optical coupler to the output optical coupler, a first junction diode proximate to the first optical waveguide arm for providing a first optical phase delay thereto due to at least a carrier-based effect, and a first resistive heater proximate to the second optical waveguide arm for providing a second optical phase delay thereto due to a thermo-optic effect.
Huawei Technologies Co., Ltd.

Lens assembly for a lidar system

A lidar system may include a laser diode that emits a beam having a slow axis and a fast axis so that a cross-section of the beam has a width substantially greater than a height. A first three-element lens may be optically aligned with a photodetector of the lidar system.
Panosense, Inc.

Light emitting diode (led) devices

Disclosed herein are display systems comprising light-emitting, diodes (leds), suitably blue light leds, which demonstrate increased optical power output. In embodiments, the display systems include compositions comprising phosphors, including luminescent nanocrystals..
Nanosys, Inc.

Electronic magnetometer and measuring magnetic field

An electronic magnetometer and a method for measuring a magnetic field are provided. A gunn diode with magnetic shielding and a gunn diode without magnetic shielding generate different induced high-frequency oscillating currents in various environments.
Institute Of Geology And Geophysics Chinese Academy Of Sciences (iggcas)

Method for determining a light-emission capacity of a light emitting diode

Method for determining a light-emission capacity of a light emitting diode, referred to as a led. The method includes the following steps: reverse biasing the led so as to cause an accumulation of an electric charge by the led, said led being subjected to a light source incident to the led; causing a discharge of the electric charge accumulated by the led; obtaining a value representing a time taken for discharging the charge from the led; determining the light-emission capacity of the led according to the discharge time obtained..
Sagemcom Broadband Sas

Multi-turn angle controlling method basing on magnetic coding and device

The present disclosure relates to a multi-turns angle controlling method basing on magnetic coding, including: obtaining a target angle according to a starting position and a target position, and obtaining number of times n that the target angle passes a predetermined position, determining whether an absolute value the target angle being greater than 360 degrees, conducting a first operation mode upon determining that the absolute value of the target angle being greater than 360 degrees, incrementing m by one when the operation angle passes the predetermined position until m equals to n, m is a positive integer and an initial value of m is zero, and conducting a second operation diode when m equals to n, n is a positive integer greater than 1.. .
Ubtech Robotics Corp.

Refrigerator

A refrigerator including fixers for fixing various components to an inner case and a light emitting diode (led) assembler in which a printed circuit board having an led mounted thereon is assembled and which is integrally provided in the inner case. The refrigerator includes an inner case configured to form a storage compartment, an outer case coupled to an outer side of the inner case to form an exterior, a plurality of components fixed to a rear plate of the inner case, and a plurality of fixers integrally formed at the rear plate of the inner case to fix the plurality of components thereto, wherein the plurality of fixers are injection-molded along with the rear plate of the inner case..
Samsung Electronics Co., Ltd.

Linear solid-state lighting with reliable electric shock current control free of fire hazard

A linear light-emitting diode (led) lamp comprising a housing, two lamp bases at two ends of the housing, a full-wave rectifier, an led driving circuit, led arrays, two displacement sensors, and two pairs of electrical contacts controlled by the two displacement sensors, is used to replace a fluorescent tube or a conventional led tube lamp. The two displacement sensors and the two pairs of electrical contacts are configured to respectively perform position sensing for electric shock hazards.
Aleddra Inc.

Light-emitting arrangement and light-emitting system

Described is an arrangement and system for precise angular and directional positioning of light-emitting diodes (led). An led component includes a base body with a light-emitting region, a first connector, and a second connector, where the connectors are electrically conductively connected to the light-emitting region.
Jabil Optics Germany Gmbh

Connector for light-emitting diode strip

Embodiments of the invention relate to connectors for connecting strips of light-emitting diodes (leds) end-to-end and for connecting a single strip of leds to a power source. The connectors define a compartment to receive a strip of leds.
Elemental Led, Inc.

Lens arrays and mountings

A light-emitting diode module includes a printed circuit board with a light-emitting diode array mounted on first surface. A secondary lens array is positioned over the light-emitting diode array and includes a secondary lens element for each light-emitting diode element in the light-emitting diode array.
Schreder

Light emitting diode (led) based lighting systems

A lighting system comprises at least one excitation source (5), preferably an led, operable to generate and radiate excitation radiation of a first wavelength (λ1); a shade (4) configured to at least in part surround the at least one source (5) and remotely located thereto; and at least one phosphor (16) provided in or on at least a part of the shade (4), wherein the phosphor (16) emits radiation of a different wavelength in response to incident excitation radiation. The phosphor can be provided on a part of an outer or inner surface of the shade.
Intematix Corporation

Laser unit having a collimator adjusting device

A laser unit (11) for a vehicle headlight has a laser diode (12) that is associated with adjustable collimating optics (13) for the laser light emitted by the laser diode. The collimating optics (13), which comprise at least one optical component, e.g., a lens (14), are arranged at a distance, in a longitudinal direction (x), from the laser diode (12), this distance being adjustable by an adjusting device (20).
Zkw Group Gmbh

Solar-powered lantern with simulated edison bulb

A solar-powered lantern uses light-emitting diodes to simulate an old-fashioned edison-type bulb. The lantern comprises a housing having an upper edge defining an upper surface, a lower edge defining a lower surface, and a sidewall between the upper and lower edges.

Lighting device

A lighting device including an upper casing, a light emitting diode (led) light source, a first reflective plate and a packaging lens is disclosed. The upper casing includes a supporting member.
Lite-on Technology Corporation

Recessed light fixtures for efficiently providing aesthetically pleasing indirect lighting

A recessed light fixture configured to deliver indirect light to an area. The recessed light fixture includes a trim component, a reflector coupled to the trim component, and an annular ring including a plurality of light-emitting diodes (leds).
Generation Brands Llc

Christmas decorative lamp structure with safety arrangement

A decorative lamp structure which includes at least one set of light emitting elements, a power connector and a connecting wire. Each set of light emitting elements includes a plurality of light emitting elements spacedly connected in series on the connecting wire.
Holiday Designs Crafts Shenzhen Ltd

Addressable color changeable led structure

A light-emitting device package includes a metalized substrate, a light-emitting diode (led) die, and a single primary optic. The metalized substrate includes a top surface, pads on the top surface, and traces extending from the pads.
Lumileds Llc

Optical device for in-line and real-time monitoring of microorganisms

A multi-wavelength laser diode based optical sensor system capable of monitoring the dynamics and physiological changes of a microorganism culture in real-time. The microorganism culture from a microorganism production chamber is pumped to a flow chamber.
The Arizona Board Of Regents On Behalf Of The University Of Arizona

Organic compound, and organic light emitting diode and organic light emitting display device including the same

The excitons in the triplet state are engaged in emission such that the emitting efficiency of the organic compound is increased. Embodiments also relate to an organic light emitting display device with an organic light emitting diode that includes the organic compound..

Organic compound, organic optoelectric diode, and display device

The present invention relates to an organic compound represented by chemical formula 1, an organic optoelectronic diode, and a display device.. .
Samsung Sdi Co., Ltd.

Super capacitor based emergency lighting system

An emergency lighting system (els) for an aircraft has a capacitor, at least one of an onboard power system and a ground power unit configured to charge the capacitor, and a light emitting diode (led) selectively powered by the capacitor.. .
Bell Helicopter Textron Inc.

Dental light using leds

A dental light comprises at least one light emitting diode light source configured to produce a light beam and at least one collimating lens system situated to receive the light beam. The collimating lens system is configured to collect and collimate the light beam.
A-dec, Inc.

Insect light trap with extruded curved side panels and curved glue board

Insect capture is improved by providing a glue board having an adhesive coating on its front surface and forming a pattern of insect attractant uv light on that front surface. That pattern includes areas of bright uv light generated by light-emitting diodes that generate light at different wavelengths behind and visible through the glue board by flying insects, dimmer areas of light generated by said light-emitting diodes that bounce off other portions of the device onto the glue board, and areas of shadow on the glue board where no or little light from said light-emitting diodes is present..
Gardner Manufacturing Co., Inc.

. .

. .

. .

. .

. .

. .

Sick Ag

. .

. .

Variable multi-color led light string and controller for an artificial tree

Certain embodiments of the disclosed technology include a decorative lighting system that can be integrated with an artificial tree. The decorative lighting system may include a white light emitting diode (led) light string and a variable-color led light string.
Polygroup Macau Limited (bvi)

Thermal protection for light emitting devices

A device for thermal protection is described. The device may be configured to determine current temperature information for a set of light emitting diodes (leds), receive an indication of a requested light pattern for the set of leds, and determine predicted temperature information for the set of leds based on the current temperature information and the requested light pattern.
Infineon Technologies Ag

Integrated light emitting diode driving circuit

The invention provides an integrated light-emitting diode driving circuit, embedded in an enclosure shell for packing a light-emitting diode. The integrated light-emitting diode driving circuit includes: a rectifier, at least one control module, at least one switch, and at least one light-emitting diode module.

Constant current power driver circuit for automotive light assembly

A constant current driver circuit is provided for a vehicle light assembly having a plurality of light strings arranged in parallel with each other. Each light string in the plurality of light strings includes at least one light emitting diode (led) electrically coupled in series with an led driver.
Autosystems America Inc.

Remote 6p laser projection of 3d cinema content

A 3d laser projection systems and methods are disclosed herein. A laser projection system includes a left projector head and a right projector head, wherein a first video projected onto a movie screen by the left projector head has a first polarization and a second video projected onto the movie screen by the right projector head has a second polarization different from the first polarization.
Barco, Inc.

Image generation device and imaging device

An imaging system serving as an image generation device is provided with: a random optical filter array that has a plurality of types of optical filters and a scattering unit; photodiodes that receive light transmitted through the random optical filter array; an ad conversion unit that converts the light received by the photodiodes, into digital data; and a color image generation circuit that generates an image, using the digital data and modulation information of the random optical filter array, in which the scattering unit is located between the plurality of types of optical filters and the photodiodes, and in which the scattering unit includes a material having a first refractive index, and a material having a second refractive index that is different from the first refractive index.. .
Panasonic Intellectual Property Management Co., Ltd.

Monitoring system using optical line

A monitoring system using an optical line is disclosed. The monitoring system using an optical line according to the present invention comprises: a laser diode for generating an input optical signal; an optical element for receiving the input optical signal through a first port and outputting same through a second port, and for receiving a reflected optical signal through the second port and outputting same through a third port; an optical switch unit for receiving the input optical signal through an input port connected to the second port of the optical element, and for distributing same through at least two output ports; at least one optical monitoring line connected to the output ports of the optical switch unit; a photodiode connected to the third port of the optical element, for detecting the reflected optical signal; and a signal processing unit for processing the signal detected by the photodiode..
Seungjae Co., Ltd.

Bootstrap diode circuits

In described examples, bootstrap diode circuits include a first diode having a first diode input coupled to a voltage supply and a first diode output. Described bootstrap diode circuits additionally include a second diode having a second diode input coupled to the first diode output and a second diode output and a plurality of zener diodes coupled in series.
Texas Instruments Incorporated

Semiconductor apparatus and inverter system

The present disclosure attempts to improve performance of a semiconductor apparatus including a power transistor such as an igbt. In a semiconductor apparatus, an igbt module 110 includes igbt elements swa and swb connected in parallel to each other, a resistor r1a connected to a gate terminal of the igbt element swa, and a diode d1a connected in parallel to the resistor r1a.
Renesas Electronics Corporation

Integrated series schottky diode rectifier

An integrated series schottky diode rectifier having the characteristics of high reverse voltage resistance, ease of fabrication, small size, high yield rate, automated fabrication applicability and low manufacturing cost is disclosed to include multiple lead frames, multiple schottky diode chips mounted on the lead frames and connected in series, first conductor connected to the positive electrode of first schottky diode chip, second conductor connected to the positive electrode of each of other schottky diode chip and bridged onto the lead frame that carries the previous schottky diode chip, electrode pin set including positive pin connected to first conductor at first schottky diode chip, negative pin connected to negative electrode of last schottky diode chip and external pin connected in series between second conductors of each two adjacent schottky diode chips, and resin package body molded on lead frames and wrapped about schottky diode chips and electrode pin set.. .
Sirectifier Electronic Co., Ltd.

Active inductor and amplifier circuit

According to an embodiment, an active inductor has a first conductivity type mos transistor with a source that is connected to an electrical power source supply line and a drain that is connected to an output terminal. It has a capacitance between a gate of the first conductivity type mos transistor and the electrical power source supply line.
Toshiba Memory Corporation

Active clamp circuit for switched mode power supplies

Switched mode power supply (smps) with at least one active clamp circuit and method of operating such a smps are described. The active claim circuit utilizes a clamp switch, a zener diode and a clamp capacitor that are connected in series between one side of a particular winding of a transformer and the other side of the particular winding of the transformer..
Nxp B.v.

Resonant converter with power factor correction and controller used therein

A resonant converter includes: a rectifier bridge; a first capacitor coupled across output terminals of the rectifier bridge; a diode with its anode coupled to a first terminal of the first capacitor; a second capacitor with a first terminal coupled to the cathode of the diode, and a second terminal coupled to a second terminal of the first capacitor; a first transistor having a first terminal coupled to the first terminal of the second capacitor; a second transistor having a first terminal coupled to a second terminal of the first transistor, and a second terminal coupled to the second terminal of the first capacitor; a resonant tank having a first input terminal coupled to the first terminal of the first capacitor, and a second input terminal coupled to the second terminal of the first transistor and the first terminal of the second transistor; and a rectifying and filtering circuit coupled across output terminals of the resonant tank, and configured to provide an output signal to a load.. .
Hangzhou Mps Semiconductor Technology Ltd.

Electrostatic discharge (esd) protection for use with an internal floating esd rail

Embodiments of an electrostatic discharge (esd) protection device and a method of operating an esd protection device are described. In one embodiment, the esd protection circuit is connected between a vdd rail and a vss rail and includes an internal floating esd rail located between the vdd rail and the vss rail, i/o pins connected between the internal floating esd rail and the vss rail, esd diodes corresponding to at least one i/o pin, an internal bias cell corresponding to an i/o pin and configured to short the corresponding i/o pin to the internal floating esd rail when the i/o pin is pulled high, and an internal bias cell corresponding to a vdd pin of the vdd rail and configured to short the vdd rail to the internal floating esd rail when the vdd pin is pulled high..
Nxp B.v.

Fault current-suppressing damper topology circuit and control method thereof and converter

Disclosed are a fault current-suppressing damper topology circuit and a control method thereof and a converter. An anode of a separate diode is connected to a positive electrode of a second switch module, a cathode of the separate diode is connected to one end of an energy storage capacitor, and the other end of the energy storage capacitor is connected to a negative electrode of a first switch module; a damping resistor is connected in parallel with an arrester and then with the first switch module; a bypass switch is connected in parallel between a terminal x1 and a terminal x2 of the damper topology circuit; a power supply system acquires energy from the energy storage capacitor and supplies power to a control system; and the control system controls an operating state of the damper topology circuit by controlling the bypass switch, the first switch module and the second switch module.
Nr Engineering Co., Ltd

Low cost optical pump laser package

Laser diode packages include a rigid thermally conductive base member that includes a base member surface situated to support at least one laser diode assembly, at least one electrode standoff secured to the base member surface that has at least one electrical lead having a first end and a second end with the first end secured to a lead surface of the electrode standoff, and a lid member that includes a lid portion and a plurality of side portions extending from the lid portion and situated to be secured to the base member so as to define sides of the laser diode package, wherein at least one of the side portions includes a lead aperture situated to receive the second end of the secured electrical lead that is insertable through the lead aperture so that the lid member extends over the base member to enclose the laser diode package.. .
Nlight, Inc.

Systems and methods for calibrating, operating, and setting a laser diode in a weapon

Systems and methods for calibrating, operating, and setting the magnitude of the power of light provided by a laser diode in a conducted electrical weapon (“cew”). The light of the laser diode assists in targeting by providing a visible indication of the projected point of impact of the tethered electrode of the cew.
Axon Enterprise, Inc.

Systems and methods for calibrating, operating, and setting a laser diode in a weapon

Systems and methods for calibrating, operating, and setting the magnitude of the power of light provided by a laser diode in a conducted electrical weapon (“cew”). The light of the laser diode assists in targeting by providing a visible indication of the projected point of impact of the tethered electrode of the cew.
Axon Enterprise, Inc.

Light-emitting panel and manufacturing the same

Related to is the field of light-emitting panel manufacture, and a light-emitting panel and a method for manufacturing the same are provided, which aim to improve uniformity of light emission of an organic light-emitting diode (oled) manufactured by inkjet printing (ijp). The light-emitting panel sequentially comprises an ito substrate, a light-emitting layer, a light-shielding layer, and a cover glass.
Shenzhen China Star Optoelectronics Technology Co. , Ltd.

Band edge emission enhanced organic light emitting diode with a localized emitter

A light emitting photonic crystal having an organic light emitting diode and methods of making the same are disclosed. An organic light emitting diode disposed within a photonic structure having a band-gap, or stop-band, allows the photonic structure to emit light at wavelengths occurring at the edges of the band-gap.

Organic-light emitting diode device and fabricating the same

The present application discloses an organic light-emitting diode (oled) device, including: a transparent substrate, a first electrode structure, an organic light-emitting layer, and a second electrode structure. The first electrode structure comprises a plurality of first electrodes and second electrodes on the transparent substrate, a first electrode and a second electrode each corresponding to a subpixel unit, the first electrodes and the second electrodes being arranged in an alternating configuration along at least one of a row direction and a column direction of a pixel unit.
Boe Technology Group Co., Ltd

Display element, organic light emitting display device and data driver

The present disclosure relates to a display element comprising an organic light emitting diode including a first electrode and a second electrode, a driving transistor including a first node to be supplied with a data voltage, a second node connected to the first electrode of the organic light emitting diode, and a third node electrically connected to a driving voltage line, a first transistor electrically connected between a data line configured to supply the data voltage and the first node of the driving transistor, a second transistor electrically connected between an initialization voltage line configured to supply an initialization voltage and the second node of the driving transistor, and a capacitor electrically connected between the first node and the second node of the driving transistor.. .
Lg Display Co., Ltd.

Organic light emitting diode display device

An organic light emitting diode display device includes a substrate on which first, second and third pixel regions are defined; a first electrode in each of the first, second and third pixel regions on the substrate; a hole auxiliary layer on the first electrode; a first light emitting material layer on the hole auxiliary layer and emitting first light; an electron auxiliary layer on the first light emitting material layer; a second electrode on the electron auxiliary layer; and a color changing layer under the first electrode or on the second electrode, wherein the color changing layer includes first, second and third portions corresponding to the first, second and third pixel regions, respectively, and wherein the first portion absorbs the first light and outputs second light, the second portion absorbs the first light and outputs third light, and the third portion passes the first light as it is.. .
Lg Display Co., Ltd.

Organic light-emitting diode (oled), manufacturing method thereof and oled display panel

An organic light-emitting diode (oled), a manufacturing method thereof and an oled display panel. The oled includes a substrate, an anode and a cathode disposed on the substrate, a hole transport layer (htl) and an electron transport layer (etl) disposed between the anode and the cathode, and at least two emitting layers (emls) disposed between the htl and the etl; the at least two emls emit white light; and the oled further includes an electron blocking layer (ebl) disposed between the etl and the at least two emls.
Beijing Boe Optoelectronics Technology Co., Ltd.

Double-sided oled display device

The present invention provides a double-sided organic lighting emitting diode (oled) display device, which comprises a first display element, a second display element, a first encapsulation layer, and a second encapsulation layer. The first encapsulation layer extends from one side or two sides of the first baseplate, and curvedly overlaps on the first emitting portion.
Wuhan China Star Optoeletronics Technology Co., Ltd.

Organic light emitting diode of high efficiency

Disclosed herein is an organic light-emitting diode, comprising: a first electrode; a second electrode facing the first electrode; and a light-emitting layer and an electron density control layer in that order between the first electrode and the second electrode, wherein the electron density control layer includes at least one selected from among compounds represented by the following chemical formulas a to d, and the light emitting layer includes at least one anthracene compound represented by the following chemical formula h. The structures of chemical formulas a to d and h are as described in the specification..

Package for an ultraviolet emitting device

Embodiments of the invention include a light emitting diode (uvled), the uvled including a semiconductor structure with an active layer disposed between an n-type region and a p-type region. The active layer emits uv radiation.
Rayvio Corporation

Light emitting diodes with sensor segment for operational feedback

Light emitting diodes (leds) having a sensor segment for operational feedback are described. A semiconductor stack is grown on a sapphire substrate.
Lumileds Llc

Light-emitting diode

A light emitting diode includes a substrate, a lower semiconductor layer disposed on the substrate, a light emitting unit comprising a first upper semiconductor layer disposed in one region of the lower semiconductor layer and an active layer interposed between the lower semiconductor layer and the first upper semiconductor layer, a second current spreading portion comprising a third upper semiconductor layer disposed in another region of the lower semiconductor layer and an active layer interposed between the lower semiconductor layer and the third upper semiconductor layer, a first electrode disposed on the light emitting cell and electrically connected to the first upper semiconductor layer, and a second electrode separated from the light emitting cell and electrically connected to the lower semiconductor layer.. .
Seoul Viosys Co., Ltd.

Hybrid tandem solar cells with improved tunnel junction structures

Tandem solar cells comprising two or more solar cells connected in a solar cell stack via pn diode tunnel junctions and methods for fabricating the tandem solar cells using epitaxial lift off and transfer printing are provided. The tandem solar cells have improved tunnel junction structures comprising a current tunneling layer integrated between the p and n layers of the pn diode tunnel junction that connects the solar cells..
Wisconsin Alumni Research Foundation

Display panel based on flexible organic light-emitting diode, seamless splicing display device and manufacturing the same

The present invention provides a display panel based on flexible organic light-emitting diode (oled,) including a flexible substrate, an organic light-emitting layer and a thin-film packaging layer are arranged on the flexible substrate sequentially, a first splicing portion is formed on the first side of the flexible substrate by thinning process, a second splicing portion is formed on the second side of the flexible substrate by thinning process, a drive circuit and a control chip are arranged on a part of surface of the first splicing portion, the organic light-emitting layer extends to cover the second splicing portion. The present invention further provides a seamless splicing display device and a method for manufacturing the same..
Shenzhen China Star Optoelectronics Technology Co., Ltd.

Flexible display device

Disclosed is a flexible display device. The flexible display device includes a base layer including a first portion in which an organic light emitting diode is disposed on a first surface and a second portion which has a bended section bent toward a second surface which is opposite to the first surface at the outside of the first portion; and conductive lines in the bended section, the conductive lines are disposed on two or more layers, and the conductive lines extend in a direction which is not parallel to a bending direction of the bended section..
Lg Display Co., Ltd.

Saddle channel thin film transistor for driving micro leds or oleds in ultrahigh resolution displays

A thin film transistor (tft) to control a light emitting diode (led) or an organic light emitting diode (oled) includes a channel region configured as a saddle channel extending between the drain region and the source region of the tft. The saddle channel is formed by deposition of channel material on a fin structure, and the contour of the saddle channel is defined by the contour of the fin structure.
Intel Corporation

Image sensor and electronic apparatus including the same

This disclosure relates to image sensors and electronic apparatuses including the same. An image sensor including: a pixel area including shared pixels, wherein each of the shared pixels includes at least two photodiodes that form a group and share a floating diffusion (fd) area; and a transistor (tr) area adjacent to the pixel area, wherein the tr area includes transistor sets corresponding to the shared pixels, wherein, when a first shared pixel and a second shared pixel are arranged adjacent to each other in a first direction, a first tr set corresponding to the first shared pixel and a second tr set corresponding to the second shared pixel share a source region of a first selection tr..
Samsung Electronics Co., Ltd.

Backside metal grid and metal pad simplification

An image sensor includes a semiconductor material including a plurality of photodiodes disposed in the semiconductor material. The image sensor also includes a first insulating material disposed proximate to a frontside of the semiconductor material, and an interconnect disposed in the first insulating material proximate to the frontside of the semiconductor material.
Omnivision Technologies, Inc.

Image sensors

An image sensor for securing an area of a photodiode includes a pixel area and a transistor area adjacent to the pixel area. The pixel area may include a photodiode and a floating diffusion area.
Samsung Electronics Co., Ltd.

Method for manufacturing a semiconductor device

The pixel characteristics are prevented from being degraded due to diffusion of electrons and fe (iron) from the surface of an element isolation trench formed in the top surface of a semiconductor substrate into a photodiode forming the pixel of an image sensing element. Further, oxygen is prevented from being diffused from a boron oxide film formed at the surface of the element isolation trench into the photodiode.
Renesas Electronics Corporation

Solid-state image sensing device, electronic device, and manufacturing solid-state image sensing device

The present technology relates to a solid-state image sensing device for preventing a reduction in light receiving sensitivity of an avalanche photodiode, an electronic device, and a method for manufacturing the solid-state image sensing device. A solid-state image sensing device includes an avalanche photodiode having a first region of a first conductive type, a second region of a second conductive type different from the first conductive type, and an avalanche region sandwiched between the first region and the second region, which extend in a thickness direction of a semiconductor substrate, and a film formed on at least one side of the semiconductor substrate and including a metal oxide film, a metal nitride film, or a mix crystal-based film of metal oxide film and metal nitride film.
Sony Semiconductor Solutions Corporation

Stacked three-dimensional arrays of two terminal nanotube switching devices

Under one aspect, a non-volatile nanotube diode device includes first and second terminals; a semiconductor element including a cathode and an anode, and capable of forming a conductive pathway between the cathode and anode in response to electrical stimulus applied to the first conductive terminal; and a nanotube switching element including a nanotube fabric article in electrical communication with the semiconductive element, the nanotube fabric article disposed between and capable of forming a conductive pathway between the semiconductor element and the second terminal, wherein electrical stimuli on the first and second terminals causes a plurality of logic states.. .
Nantero, Inc.

Conductivity modulated drain extended mosfet

An integrated circuit is fabricated on a semiconductor substrate. An insulated gate bipolar transistor (igbt) is formed upon the semiconductor substrate in which the igbt has an anode terminal, a cathode terminal, and a gate terminal, and a drift region.
Texas Instruments Incorporated

Semiconductor device

A semiconductor device that allows easy hole extraction is provided. The semiconductor device includes: a semiconductor substrate having drift and base regions; a transistor portion formed in the semiconductor substrate; and a diode portion formed adjacent to the transistor portion and in the semiconductor substrate.
Fuji Electric Co., Ltd.

Super cmos devices on a microelectronics system

A low cost ic solution is disclosed to provide super cmos microelectronics macros. Hereinafter, the super cmos or schottky cmos all refer to scmos.
Schottky Lsi, Inc.

Manufacturing high-voltage light-emitting diode

The disclosure relates to a high-voltage light-emitting diode (hv led) and a manufacturing method thereof. A plurality of led dies connected in series, in parallel, or in series and parallel are formed on a substrate.
Genesis Photonics Inc.

Nanoscale led electrode assembly having improved electrical contact and manufacturing method thereof

Provided are a method of manufacturing a nanoscale light-emitting diode (led) electrode assembly having improved electrical contacts, and more particularly, a nanoscale led electrode assembly having improved electrical contacts and capable of increasing conductivity between electrodes and nanoscale led devices and decreasing contact resistance, and a method of manufacturing the same.. .
Psi Co., Ltd.

Light-emitting diode arrangement and the production thereof

According to the present disclosure, a light-emitting diode arrangement provides a substrate, first leds, which are arranged on the substrate, second leds, which are arranged on the substrate laterally adjacent to the first leds, at least one cover body, which covers the first leds, at least one dam, which is arranged on the substrate and which encloses the first leds and the second leds in the lateral direction, and a first potting material, which covers the second leds and is delimited in the lateral direction by the dam and the cover body. The cover body and/or the first potting material include(s) a first converter material for converting electromagnetic radiation..
Osram Opto Semiconductors Gmbh

Method and system for vertical power devices

A method of forming a semiconductor device includes providing an engineered substrate. The engineered substrate includes a polycrystalline ceramic core, a barrier layer encapsulating the polycrystalline ceramic core, a bonding layer coupled to the barrier layer, and a substantially single crystalline silicon layer coupled to the bonding layer.
Qromis, Inc.

Polarity-switching magnet diode

A polarity-switching magnetic diode provides a method of gating or “rectifying” n and s polarized flux contained within the closed-loop flux circuit of a magnetic flux element. Gaps separate the opposing magnetic polarities, and strategically placed control coils are disposed to break the magnetic circuit in at least two places upon electrical activation of the device—forming high density flux zones of opposite polarity.

Display driver

In one example, a system for driving current includes a digital pulse density modulation circuit to provide an output in response to pixel data. The system also includes an analog circuit to drive current to increase a brightness in one or more light-emitting diodes in response to the output from the digital pulse density modulation circuit..
Intel Corporation

Current programmed pixel architecture for displays

In one example, a light-emitting diode display system includes one or more light-emitting diodes and a pixel driver circuit. The pixel driver circuit is to receive an input current, to produce a current that is dependent on the input current, and to provide the produced current to the one or more light-emitting diodes..
Intel Corporation

Low power dissipation pixel for display

In one example, a light-emitting diode display driver system includes a digital pixel driver circuit. The digital pixel driver circuit is to receive an input current, to produce a current that is linearly dependent on the input current, and to provide the produced current to one or more light-emitting diodes..
Intel Corporation

Electroluminescent display and driving the same

An electroluminescent display and a method of driving the same are disclosed. The electroluminescent display includes a driving transistor configured to generate a driving current depending on a gate-source voltage, a storage capacitor configured to store a data voltage and provide the stored data voltage to a gate electrode of the driving transistor, a first switching transistor configured to control a gate potential of the driving transistor, a second switching transistor configured to control a source potential of the driving transistor, a light emitting diode configured to emit light in response to the driving current generated from the driving transistor, and a third switching transistor configured to electrically float a source electrode of the driving transistor and an anode electrode of the light emitting diode when one of the first and second switching transistors is turned off.
Lg Display Co., Ltd.

Digital driver for displays

In one example, a system for driving current, including a circuit to receive an input voltage, and to produce a current to be provided to one or more light-emitting diodes. The current is to be linearly dependent on the input voltage..
Intel Corporation

Electroluminescence display apparatus

An electroluminescence display device according to an embodiment includes a plurality of sub-pixels. Each of the plurality of sub-pixels includes a node-a electrically connected to an electrode of a storage capacitor and a gate electrode of a p-type driving transistor, an n-type switching transistor configured to switch an electrical connection between a node-b electrically connected to a data line and the node-a, a node-c configured to supply elvdd voltage and electrically connected to another electrode of the storage capacitor and a first electrode of the p-type driving transistor, a node-d configured to supply current to an electroluminescence diode and electrically connected to a second electrode of the p-type driving transistor, and a first transistor configured to switch an electrical connection between the node-a and the node-d..
Lg Display Co., Ltd.

Backlight unit and liquid crystal display device including the same

A backlight unit for a liquid crystal display device including a liquid crystal panel, includes: a light source including a light-emitting diode (“ed”) which generates and emits light; and a light converting layer between the light source and the liquid crystal panel, spaced apart from the light source, and converting the light from the light source into white light and emitting the white light toward the liquid crystal panel. The light converting layer includes: semiconductor nanocrystals, and a barrier material which restricts penetration of moisture or oxygen..
Samsung Electronics Co., Ltd.

Display device and manufacturing the same

A display device and a method of manufacturing the same are provided. A display device includes: a light guide plate on a rear surface of a display panel, the light guide plate being configured to direct light toward the display panel, a reflector on a rear surface of the light guide plate, the reflector being configured to reflect light from a rear of the light guide plate toward a front surface of the light guide plate, a back cover on a rear surface of the reflector, and a light-emitting diode array coupled to an edge of the back cover, the light-emitting diode array including: a printed circuit board, and a plurality of light-emitting diodes at a side surface of an edge of the light guide plate, the plurality of light-emitting diodes being configured to generate light, the plurality of light emitting diodes being attached to the printed circuit board..
Lg Display Co., Ltd.

Semiconductor device and manufacturing method thereof

A si photonics device includes: a first semiconductor chip; a second semiconductor chip having a laser diode and mounted on the first semiconductor chip; a third semiconductor chip taking in a laser beam emitted from the laser diode and mounted on the first semiconductor chip; and a resin layer disposed on the first semiconductor chip so as to face the second semiconductor chip. Further, the si photonics device has: a bump electrode connecting the second semiconductor chip and an upper layer electrode pad provided on the resin layer of the first semiconductor chip; and a bump electrode connecting the first semiconductor chip and the third semiconductor chip, and the second semiconductor chip is mounted on the first semiconductor chip via the resin layer..
Renesas Electronics Corporation

Fully integrated avalanche photodiode receiver

Various embodiments of a fully integrated avalanche photodiode receiver and manufacturing method thereof are described herein. A photonic device includes a silicon-on-insulator (soi) substrate with a buried oxide (box) layer therein, an avalanche photodiode integrated with the soi substrate, a capacitor integrated with the soi substrate, a resistor integrated with the soi substrate, and silicon passive waveguides as well as bonding pads integrated with the soi substrate..
Sifotonics Technologies Co., Ltd.

Dual energy detector and radiation inspection system

The present application relates to a dual energy detector and a radiation inspection system. The dual energy detector comprises: a detector module mount and a plurality of detector modules.
Nuctech Company Limited

Multi-sampling in x-ray receiver for noise reduction

The disclosure provides a receiver with reduced noise. The receiver includes a photodiode that generates an input signal in response to received light pulses.
Texas Instruments Incorporated

Temperature measuring device

Temperature measuring device for measuring the temperature of a member, the member including a component controlled by a control signal, active at most during at least one limited activity interval, and transmitted to the component via two wires, a temperature probe connected to the two wires, in parallel with the component, and a diode, connected between a terminal of the component and a terminal of the probe connected to the same wire, in order to allow the passage of a current in the component only in a first direction, the temperature measurement being performed by a current flowing in a second direction, opposite to the first direction, outside of the activity interval.. .
Continental Automotive Gmbh

Light receiver having a plurality of avalanche photodiode elements and supplying a bias voltage

A light receiver (22) having a plurality of avalanche photodiode elements (24) each configured to be biased with a bias voltage above a breakdown voltage and thus to be operated in a geiger mode for triggering a geiger current upon light reception, the light receiver (22) comprising a plurality of bias voltage terminals (40a-c) providing different bias voltages, wherein the avalanche photodiode elements (24) form a plurality of groups (421-42n), and wherein the avalanche photodiode elements (24) of a group (421-42n) are each supplied with a same one of the different bias voltages.. .
Sick Ag

Light receiver and reading out avalanche photodiodes in geiger mode

Wherein the readout circuits (42, 44, 46) each comprise a measurement path (42) and a blanking path (46) as well as a switching element (44) for selectively supplying the geiger current, or a measurement current corresponding to the geiger current, to the measurement path (42) or the blanking path (46).. .

Light receiver having a plurality of avalanche photodiode elements in geiger mode and temperature compensation

And a voltage compensation unit (46) for adapting the bias voltage to the operating temperature.. .

Light receiver having a plurality of avalanche photodiode elements and detecting light

A plurality of bias voltage terminals for supplying groups with different bias voltages and/or a plurality of readout circuits (60, 62, 64), each associated with a group (721-72n) and comprising a measurement path (60) and a blanking path (64) as well as a switching element (62) for selectively supplying the geiger current, or a measurement current corresponding to the geiger current, to the measurement path (60) or the blanking path (64).. .

Edge-coupled semiconductor photodetector

A device is disclosed for monitoring power from a laser diode. The device includes a substrate having a top surface and a first facet perpendicular to the top surface through which light enters the substrate.
Global Communications Semiconductors, Llc

Shape measurement apparatus and shape measurement method

[solution] a shape measurement apparatus according to the present invention includes: a linear light source that includes a superluminescent diode and applies linear light spreading in a width direction of the strip-shaped body to a surface of the strip-shaped body; a screen on which reflected light of the linear light off the surface of the strip-shaped body is projected; an area camera that captures an image of the reflected light of the linear light projected on the screen; and an arithmetic processing apparatus that calculates the surface shape of the strip-shaped body using the captured image of the reflected light of the linear light captured by the area camera. The linear light source has a spectral half-width of 20 nm or more, and is placed in a manner that an angle θ formed by an optical axis of the linear light source and a direction normal to the surface of the strip-shaped body and a wavelength λ of the linear light satisfy formula (i) related to specularity of the strip-shaped body..

Light emitting diode recessed light fixture

A recessed light fixture includes an led module, which includes a single led package that is configured to generate all light emitted by the recessed light fixture. For example, the led package can include multiple leds mounted to a common substrate.
Cooper Technologies Company

Single diode disinfection

Disclosed herein is a device which inactivates microorganisms. The device includes a light emitter and at least one light-converting material arranged to convert at least a portion of light from the light emitter.
Vital Vio, Inc.

Light-emitting diode module holder

A light-emitting diode (led) module holder includes a seat, a first holding member, a second holding member, an led module and two terminals. The led module is mounted on the seat.
Keeper Technology Co., Ltd.

Homogenous led vehicle lamp

A homogenous light-emitting diode (led) lamp for an automotive vehicle is provided that includes multiple leds configured as a led array and a diffusion sheet. The diffusion sheet has a curvature aligned with the led array for smoothing and bending light emitted by the leds for the purpose of creating a lighting appearance substantially lacking hotspots.
Flex-n-gate Advanced Product Development, Llc

Lighting device having a lighting unit

A lighting device provides a lighting unit for emitting useful light and a sensor. The unit includes a laser diode for emitting pump radiation and a phosphor element, which during operation is irradiated by the laser diode and thereby excited and serves for converting the pump radiation into conversion light, which conversion light at least proportionally forms the useful light.
Osram Gmbh

Multipurpose disaster safety lantern

There is provided a multipurpose disaster safety lantern including a top body in which a lighting light emitting diode (led) is accommodated, and which has a reflective guide and a lens configured to direct a light beam radiated from the lighting led and is formed of rubber having elasticity, an air discharge protrusion which is arranged on aside surface of the top body to communicate with a space between a front surface of the top body and the lens and is formed of rubber having elasticity, and an inside of which is empty, a main body which is coupled to the top body and which forms a body of the lantern, and at least one first led bar provided on a surface of the main body along a longitudinal direction of the main body.. .
The Green Growth Co.,ltd.

A damping control lower-limb prostheses

A damping control method for lower-limb prosthesis, comprising the following steps: isolate the driving motor of the transmission structure from the driving voltage; the motor is driven to rotate by the force that results from the locomotion of human's com (center of mass), and generates alternating induced voltage, when the motor behaves as a generator; connect the output terminals of the motor with a full-bridge rectification circuit that is made of schottky diodes to transform the alternating induced voltage to direct-current voltage; connect the output terminals of the rectification circuit with a controlled switch to form a closed circuit, which will generate induced current from the induced voltage; control the on-off ratio of the switch with the pulse-width-modulation signal to generate controllable motor current, which will result in controllable braking torque under the magnet field of the motor. This invention can be applied to prosthesis control..
Peking University

Light generator for whitening teeth

The light generator comprises a plurality of light-emitting diodes for emitting light (101) and control means (12, 14, 15). According to the invention, the light-emitting diodes (led) for emitting light are square or rectangular miniature components, capable of emitting a high-intensity light with low current consumption, and are of the smc or “surface-mount component” type.

Smart light system

Systems and methods are disclosed with one or more light emitting diodes (leds) with at least one optical transmitter and receiver optically coupled to an optical network over 1 mbps using at least one led with a first mode to communicate location and a second mode to communicate using broadband optical transmission; and a controller coupled to the leds, the controller communicating with the optical network using the optical transmitter and receiver.. .

Method for manufacturing light-emitting device packages, light-emitting device package strip, and light-emitting device package

Disclosed is a method for manufacturing a chip scale package (csp) for a light-emitting diode (led). The method may include a light-emitting device mounting step for mounting a plurality of light-emitting devices on a substrate strip, a phosphor forming step for forming a phosphor on the plurality of light-emitting devices, a reflective member forming step for forming a reflective member on the substrate strip to surround the phosphor, and a package singulation step for singulating unit packages by cutting the substrate strip and the reflective member..
Lumens Co., Ltd.

Method of monitoring the operating status of a light emitting diode in a vehicle lamp array

A method of monitoring the operating status of one or more leds contained in a vehicle lamp array includes an initial step of calculating which of the leds are to be turned on (and/or at what pwm rate those leds are to be illuminated) using the desired brightness signals. The pwm rates that correspond with desired brightness signals are stored in a memory device.
Lear Corporation

Integrated led device

The present invention relates to an integrated-led device having a housing, whereby the housing comprises a multi-led device comprising a transparent substrate and a plurality of light emitting diodes, leds, arranged for emitting light and disposed on said transparent substrate, an integrated circuit in connection with said leds and arranged for controlling said leds, a base comprising one or more base extensions, on which at least said multi-led device is mounted, with said one or more base extensions so arranged or so shaped that a first opening is created to let pass led light emitted through said transparent substrate by said plurality of leds.. .
Melexis Technologies Nv

Feeder fiber and central office redundancy

A remote node includes a first node input, a second node input, and an optical switch. The optical switch includes a first switch input optically coupled to the first node input, a second switch input optically coupled to the second node input, a first switch output switchably coupled to the first switch input or the second switch input, and a second switch output switchably coupled to the first switch input or the second switch input.
Google Inc.

Image-capture device, image acquisition device, image acquisition method, image processing device, and image processing program

A camera unit includes an image sensor having a light-receiving surface in which pixels are two-dimensionally arranged, the pixels having a photodiode for converting input light into an electrical signal and outputting an analog signal and an ad conversion unit for converting the analog signal into a digital signal based on a dark offset value indicating a black level of an image, and an image processing circuit having a clip value set in accordance with the dark offset value and configured to perform a conversion process of converting a digital value of a digital signal having a digital value that is smaller than the clip value into the clip value and output image data based on a digital signal after the conversion process.. .
Hamamatsu Photonics K.k.

Post distortion cancellation with phase shifter diode for low noise amplifier

A low noise amplifier may include a post distortion cancellation block coupled to the low noise amplifier. The post distortion cancellation block may include a diode, and phase-shift logic.
Qualcomm Incorporated

Power supply system for electric vehicle

A power supply system for an electric vehicle includes a battery, an inverter configured to supply alternating-current electric power to a motor for traveling, a first voltage converter connected between the battery and the inverter, a second voltage converter connected in parallel with the first voltage converter, a temperature acquisition unit configured to acquire a temperature of the first voltage converter, a current acquisition unit configured to acquire magnitude of a current flowing in the second voltage converter, and a controller. Each of the first voltage converter and the second voltage converter includes two switching elements, two diodes, and a reactor..
Toyota Jidosha Kabushiki Kaisha

Motor driving device

A motor driving device for a motor having a stator and a rotor rotationally driven by an input of an ac voltage includes: an inverter circuit having multiple units corresponding to multiple phases respectively, each unit having a pair of a switching element and a reflux diode connected in anti-parallel to the switching element; and a control device controlling the inverter circuit to convert a dc voltage into the ac voltage and to output the ac voltage to the stator coil. The control device includes: a field weakening control unit adjusting the ac voltage to control a magnetic field of the stator coil to weaken a field magnetic flux of the rotor; and a regenerative current control unit switching an anti-regenerative side switching element to flow a regenerative current when the ac voltage stops while the field weakening control unit performs the field weakening control..
Denso Corporation

Preparation gaas/ge/gaas heterogeneous spin diode for loop antenna

A preparation method for a gaas/ge/gaas heterogeneous spin diode for a loop antenna includes: selecting a geoi substrate; etching a top ge layer of the geoi substrate to form first and second trenches in the top ge layer; depositing a gaas material in, the first and second trenches; performing p-type ion implantation into the gaas material in the first trench to form a p-type active region and performing an n-type ion implantation into the gaas material in the second trench to form an n-type active region by ion implantation process; and forming lead holes on surfaces of the p-type active region and the n-type active region and then sputtering a metal to form the gaas/ge/gaas heterogeneous spin diode. Therefore, a high performance gaas/ge/gaas heterogeneous spin diode suitable for forming a solid-state plasma antenna can be prepared by deep trench isolation technology and ion implantation process..
Xi'an Creation Keji Co.,ltd.

Organic light emitting diode with split emissive layer

An organic light emitting diode (oled) device includes an emissive layer having a first sublayer with a first emitter as a dopant, a second sublayer with a second emitter as a dopant, and a third sublayer with a third emitter as a dopant. The second sublayer is between the first sublayer and the third sublayer.
Arizona Board Of Regents On Behalf Of Arizona State University

Organic light emitting diode and organic light emitting device including the same

Provided are an organic light-emitting diode (oled) and an organic light-emitting device including the same. The oled includes a first electrode, an organic emissive layer which includes a plurality of convex curves or a plurality of concave curves in a light-emitting region and of which a slope of an inclined plane of an upper region with respect to a horizontal line dividing a height of the plurality of convex curves into halves is greater than a slope of an inclined plane of a lower region thereof, and a second electrode provided on the organic emissive layer.
Lg Display Co., Ltd.

Transparent organic light emitting diode and manufacturing the same

A transparent organic light emitting diode (oled) includes a transparent substrate; transparent anodes on the transparent substrate and bridged by an insulating layer; at least an isolation pillar provided above the insulating layer; an organic light emitting layer coated on the surfaces of the transparent anodes and the isolation pillars; and a metal cathode coated on the surfaces of the organic light emitting layer on the transparent anodes. When light passes through the transparent oled, only the areas where the metal cathode is coated will affect the light transmittance, and the rest of the areas not coated with the metal cathode may maintain a better transmittance.
Wisechip Semiconductor Inc.

Organic light-emitting device

The present specification relates to an organic light emitting diode.. .
Lg Chem, Ltd.

Light emitting diode chip and light emitting diode dsiplay apparatus comprising the same

A light emitting diode chip and a light emitting diode display apparatus comprising the same, are disclosed in which a screen defect caused by a defect of the light emitting diode chip is minimized. The light emitting diode chip comprises a semiconductor substrate; first and second light emitting diodes provided on the semiconductor substrate in parallel with each other while having first and second pads; a first electrode commonly connected to the first pad of each of the first and second light emitting diodes; and a second electrode commonly connected to the second pad of each of the first and second light emitting diodes, wherein the first and second light emitting diodes are electrically connected to each other in parallel..
Lg Display Co., Ltd.

Semiconductor light emitting device

A semiconductor light emitting device includes: a package body having a cavity, and having a first wiring electrode and a second wiring electrode disposed on a bottom surface of the cavity; a light emitting diode (led) chip having a first surface with a first electrode and a second electrode thereon, a second surface, and lateral surfaces, the led chip being mounted in the cavity such that the first surface faces the bottom surface, a wavelength conversion film on the second surface of the led chip, and including a first wavelength conversion material, and a reflective resin portion in the cavity that surrounds the led chip.. .
Samsung Electronics Co., Ltd.

Light-emitting diode package and manufacturing the same

A light-emitting diode (led) package includes: a reflective structure including a cavity, a bottom portion having a through hole, and a sidewall portion surrounding the cavity and the bottom portion and having an inclined inner side surface; an electrode pad inserted into the through hole; an led on the bottom portion in the cavity, the led including a light-emitting structure electrically connected to the electrode pad and a phosphor formed on the light-emitting structure; and a lens structure filling the cavity and formed on the reflective structure.. .
Samsung Electronics Co., Ltd.

Micro-lensed light emitting device

A micro-lensed, light emitting device including, a backplane, light emitting diodes (leds) disposed on the backplane, an encapsulation layer encapsulating the leds, and micro-lenses disposed on the encapsulation layer and configured to reduce an emission angle of light emitted from the leds.. .
Glo Ab

Light emitting diode and led module having the same

Disclosed are an led and an led module. The led includes: a first conductivity type semiconductor layer; a mesa disposed over the first conductivity type semiconductor layer and including an active layer and a second conductivity type semiconductor layer; a first ohmic-contact structure in contact with the first conductivity type semiconductor layer; a second ohmic-contact structure in contact with the second conductivity type semiconductor layer; a lower insulating layer at least partially covering the mesa and the first conductivity type semiconductor layer and disposed to form a first opening part at least partially exposing the first ohmic-contact structure and a second opening part at least partially exposing the second ohmic-contact structure; and a current distributing layer connected to the first ohmic-contact structure at least partially exposed by the first opening part and disposed to form a third opening part at least partially exposing the second opening part..
Seoul Viosys Co., Ltd.

Light-emitting diode

A light-emitting diode according to the present invention comprises: a light-emitting structure which includes a first conductive semiconductor layer, an active layer and a second conductive semiconductor layer; passivation layer which protects the light-emitting structure; and a metal layer formed, between the light-emitting structure and the passivation layer, on the light-emitting structure, wherein a distance between the passivation layer and the metal layer is 4 to 12 times greater than the thickness of the passivation layer.. .
Lg Innotek Co., Ltd.

Uv light emitting diode and fabricating the same

Exemplary embodiments provide a uv light emitting diode and a method of fabricating the same. The method of fabricating a uv light emitting diode includes growing a first n-type semiconductor layer including algan, wherein growth of the first n-type semiconductor layer includes changing a growth pressure within a growth chamber and changing a flow rate of an n-type dopant source introduced into the growth chamber.
Seoul Viosys Co., Ltd.

Plasmonic light emitting diode

A light emitting diode includes a square quantum well structure, the quantum well structure including iii-v materials. A dielectric layer is formed on the quantum well structure.
International Business Machines Corporation

Quantum dot channel (qdc) quantum dot gate transistors, memories and other devices

This cip application builds on ge quantum dot superlattice (qdsl) based field effect transistors where ge quantum dot arrays are used as a high carrier mobility channel. The qdsl diodes claims that were withdrawn are included.

Semiconductor photodiode

A semiconductor photodiode, including a light-absorbing layer; an optical waveguide via which light can evanescently be coupled into the light-absorbing layer, and a doped contact layer arranged between the light-absorbing layer and the optical waveguide. The optical waveguide at least sectionally has a doping which produces a diffusion barrier counteracting a diffusion of dopant of the contact layer into the optical waveguide..
Fraunhofer-gesellschaft Zur Förderung Der Angewandten Forschung E.v.

Semiconductor device including zener diode and manufacturing thereof

A semiconductor device, including an insulator formed on a top surface of a semiconductor substrate, a semiconductor layer, containing a first region of a first conductivity type, formed on the insulator layer, wherein the first region is a p+ region or an n+ region, a second region of a second conductivity type in direct contact with the first region and forming a p-n junction with the first region, wherein the p-n junction comprises a first portion parallel to the top surface of the semiconductor substrate, and the second region is the semiconductor substrate and partially covered by the semiconductor layer, a first metallization region in electrical contact with the first region and a second metallization region in electrical contact with the second region. .
Vanguard International Semiconductor Corporation

Preparation platform-shaped active region based p-i-n diode string in reconfigurable loop antenna

A preparation method for a platform-shaped active region based p-i-n diode string in a reconfigurable loop antenna includes: (a) selecting an soi substrate; (b) etching the soi substrate to form a platform-shaped active region; (c) depositing a p-type si material and an n-type si material around the platform-shaped active region by an in-situ doping process to form a p region and an n region respectively; (d) depositing a polysilicon material around the platform-shaped active region; (e) forming leads on a surface of the polysilicon material and forming pads by photolithography, to form the p-i-n diode string. Therefore, a high-performance platform-shaped active region based p-i-n diode string suitable for a solid-state plasma antenna can be provided by an in-situ doping process..
Xi'an Creation Keji Co., Ltd.

Semiconductor device and manufacturing the same

A method of manufacturing a semiconductor device includes preparing a layer, including columns, the columns extend a first direction parallel to the surface of the layer, the columns are arranged at intervals, interdigitally sandwiching other columns so as to implement a superjunction structure so the columns and the other columns are side by side; forming well regions in the layer; forming source regions in the well regions; forming an insulating film on the well regions; and forming gate electrodes on the gate insulating film, the gate electrodes bridging corresponding source regions in neighboring well regions, a temperature detection diode at an area in the gate electrodes, one column has a first width in a second direction, the temperature detection diode has a second width in the second direction, and the first width equal to the second width, and the second direction is perpendicular to the first direction.. .
Fuji Electric Co., Ltd.

Power semiconductor device and method therefor

An rc-igbt according to the invention includes a high electric field cell formed in a region surrounded by an igbt cell or in a region surrounded by a diode cell, and an n+ diffusion layer formed at a position opposed to the high electric field cell, the position being on a second main surface of an n− type drift layer. The high electric field cell has a higher maximum electric field intensity generated when a voltage is applied between main terminals than maximum electric field intensities of the igbt cell, the diode cell, and a withstand voltage holding structure.
Mitsubishi Electric Corporation

Organic light-emitting diode display and manufacturing the same

An organic light-emitting diode display and a method of manufacturing the same are provided. An organic light-emitting diode display includes a plurality of pixels, each pixel includes an organic light-emitting diode, and the organic light-emitting diode display includes: a substrate, a horizontal line on the substrate, at least one first insulating layer on the horizontal line, a shielding electrode on the at least one first insulating layer, at least one second insulating layer on the shielding electrode, a data line on the at least one second insulating layer, the data line crossing the horizontal line, the shielding electrode overlapping the horizontal line and the data line at a crossing of the horizontal line and the data line, and a constant voltage source connected to the shielding electrode..
Lg Display Co., Ltd.

Organic light emitting diode display

An organic light emitting diode display includes a substrate, a scan line on the substrate for transferring a scan signal, a data line crossing the scan line and for transferring a data signal, a driving voltage line crossing the scan line and for transferring a driving voltage, a switching thin film transistor coupled to the scan line and the data line, a driving thin film transistor coupled to a switching drain electrode of the switching thin film transistor, and an organic light emitting diode (oled) coupled to a driving drain electrode of the driving thin film transistor, wherein a driving semiconductor layer of the driving thin film transistor is bent and in a plane substantially parallel to the substrate.. .
Samsung Display Co., Ltd.

Organic light emitting diode and organic light emitting display device including the same

Provided herein is an organic light emitting diode including a first electrode, a hole transfer layer disposed on the first electrode, an emission layer disposed on the hole transfer layer and including quantum dots, an electron transfer layer disposed on the emission layer and including a group iii transition metal, and a second electrode disposed on the electron transfer layer.. .
Seoul National University R&db Foundation

Organic light-emitting diode display

An organic light-emitting diode display is disclosed. The display includes a semiconductor layer formed over a substrate, a scan line formed over the semiconductor layer and configured to provide a scan signal, and a light emission control line formed over the semiconductor layer and configured to provide a light emission control signal.
Samsung Display Co., Ltd.

Image capturing apparatus

An image capturing apparatus including a sensor, an organic light emitting diode (oled) display panel, and a collimator is provided. The oled display panel is disposed on an image capturing side of the sensor.
Gingy Technology Inc.

Pixel arrangement structure, organic light-emitting diode device, display device and mask

A pixel arrangement structure, an organic electroluminescent device (i.e., organic light-emitting diode device), a display device and a mask are provided, which can increase opening areas of a metal mask for forming the pixel arrangement structure, and improve the aperture ratio, the brightness, the service life and the image resolution of active matrix organic light-emitting diode (amoled) products. The pixel arrangement structure includes a plurality of pixels.
Ordos Yuansheng Optoelectronics Co., Ltd.

Organic light-emitting diode (oled) array substrate, manufactering the same, and related display apparatus

The present invention provides an organic light emitting diode (oled) display array substrate, a manufacturing method of the same oled structure and a display apparatus. The oled array substrate includes a plurality of pixels arranged in an array on a base substrate.
Boe Technology Group Co., Ltd

Display device including touch screen

Disclosed herein is a display device including a touch screen. An organic light emitting diode (oled) display device including a touch screen according to an exemplary embodiment of the present invention includes: a plurality of pixels including organic light emitting bodies; and a common electrode which applies a common voltage to the organic light emitting body, in which a plurality of touch sensors and a plurality of sensor lines are formed in a mesh pattern in a partial region of the common electrode corresponding to a boundary region between the organic light emitting bodies.
G2touch Co., Ltd

Light emitting diodes (leds) with integrated cmos circuits

Disclosed is a device which includes first and second major substrate surfaces. The first substrate surface includes an led with first and second terminals while the second substrate surface includes cmos circuit components.
Globalfoundries Inc.

Photo detector systems and methods of operating same

According to embodiments of the present disclosure, a dynamic photodiode may include a substrate, a first doped region, a second doped region, a first resettable doped region between the first doped region and the second doped region, and a first light absorbing region between the first doped region and the second doped region. The first doped region may include a first contact that receives a first voltage.
Actlight Sa

Germanium-silicon light sensing apparatus

A method for fabricating an image sensor array having a first group of photodiodes for detecting light at visible wavelengths a second group of photodiodes for detecting light at infrared or near-infrared wavelengths, the method including forming a germanium-silicon layer for the second group of photodiodes on a first semiconductor donor wafer; defining a first interconnect layer on the germanium-silicon layer; defining integrated circuitry for controlling pixels of the image sensor array on a semiconductor carrier wafer; defining a second interconnect layer on the semiconductor carrier wafer; bonding the first interconnect layer with the second interconnect layer; defining the pixels of an image sensor array on a second semiconductor donor wafer; defining a third interconnect layer on the image sensor array; and bonding the third interconnect layer with the germanium-silicon layer.. .
Artilux Corporation

Preparation heterogeneous sige based plasma p-i-n diode string for sleeve antenna

A preparation method for a sige based plasma p-i-n diode string for a sleeve antenna is provided. The preparation method includes: selecting a sigeoi substrate with a certain crystal orientation and forming isolation regions on the sigeoi substrate; etching the substrate to form p-type trenches and n-type trenches, depths of the p-type trenches and the n-type trenches each being smaller than a thickness of a top sige layer of the substrate; filling the p-type trenches and the n-type trenches and forming p-type active regions and n-type active regions in the top sige layer of the substrate by an ion implantation process; and forming leads on the substrate so as to obtain the heterogeneous sige based plasma p-i-n diode.
Xi'an Creation Keji Co., Ltd.

Manufacturing alas-ge-alas structure based plasma p-i-n diode in multilayered holographic antenna

A manufacturing method for an alas—ge—alas structure based plasma p-i-n diode in a multilayered holographic antenna is provided. The manufacturing method includes: selecting a geoi substrate and disposing an isolation region in the geoi substrate; etching the geoi substrate to form a p-type trench and an n-type trench; depositing alas materials in the p-type trench and the n-type trench and performing, ion implantation into the alas materials in the p-type trench and n-type trench to form a p-type active region and an n-type active region; and forming leads on surfaces of the p-type active region and the n-type active region to obtain the alas—ge—alas structure based plasma p-i-n diode.
Xi'an Creation Keji Co.,ltd.

Electrostatic discharge protection device

Semiconductor devices including a diode and a resistor are disclosed herein. An example of a semiconductor device includes a substrate having a surface.
Texas Instruments Incorporated

Transient-voltage-suppression (tvs) diode device and fabricating the same

A transient-voltage-suppression (tvs) diode device and a method of fabricating the same are disclosed. The tvs diode device includes a substrate.
Nuvoton Technology Corporation

Light emitting diode (led) test apparatus and manufacture

Embodiments relate to functional test methods useful for fabricating products containing light emitting diode (led) structures. In particular, led arrays are functionally tested by injecting current via a displacement current coupling device using a field plate comprising of an electrode and insulator placed in close proximity to the led array.
Tesoro Scientific, Inc.

Organic light-emitting diode pixel structure

An oled (organic light-emitting diode) pixel structure comprises a substrate, first and second control components, first, second, and complementary electrode layers, and first and second light-emitting layers. The first and second control components are disposed above the substrate and electrically coupled to, respectively, the first and second electrode layers.
Au Optronics Corporation

Light emitting diode display device

Disclosed is a light emitting diode display device for minimizing a screen defect caused by a defect of a light emitting diode device. The light emitting diode display device includes a plurality of subpixels which each include first to nth (where n is a natural number equal to or greater than two) light emitting diode devices emitting light with the data current and a pixel circuit including first to nth driving transistors respectively supplying the data current corresponding to a data signal to the first to nth light emitting diode devices..
Lg Display Co., Ltd.

Organic light emitting display device and driving the same

Disclosed is an oled device which is capable of preventing a source voltage of a driving transistor so as to compensate for a deterioration of an organic light emitting diode from being out of a sensing voltage range of an analog-to-digital converter, and a method for driving the same, wherein a sensing timing is controlled in such a way that the source voltage of the driving transistor sensed for a sensing mode is included within the sensing voltage range. Accordingly, it is possible to prevent the source voltage of the driving transistor from being out of the sensing voltage range of the analog-to-digital converter..
Lg Display Co., Ltd.

Display device and driving method thereof

A display device includes a display panel on which a plurality of pixels connected to data lines, reference lines, and gate lines are arranged, each pixel having an organic light emitting diode (oled) and a driving thin film transistor (tft); a data drive circuit to supply a data voltage to the data lines and a reference voltage to the reference lines; a gate drive circuit to generate a scan signal and a sensing signal and to supply the scan signal and the sensing signal to the gate lines, the scan signal being synchronized with the data voltage and the sensing signal being synchronized with the reference voltage; and a timing controller to divide one frame into a programming time, an emission time, and a non-emission time, and to control an emission duty by variably controlling the programming time based on an analysis of input image data.. .
Lg Display Co., Ltd.

Electroluminescent display device

An electroluminescent display device includes first and second pixels arranged along a first direction on a substrate; a first groove positioned at a side of the first and second pixels and including a first portion extending along the first direction and a second portion corresponding to a space between the first and second pixels; and a light emitting diode in each of the first and second pixels.. .
Lg Display Co., Ltd.

Organic light emitting diode display device

An organic light emitting diode (oled) display device for supplying a data signal to a pentile pixel array to reduce power consumption is disclosed. A plurality of the same color of sub pixels that are disposed in different pixel columns and different pixel rows in a pentile pixel array have pixel structures that are right and left inverted based on the same data line and share the same data line, and thus, a data driver supplies the same color of data signals for each data line..
Lg Display Co., Ltd.

Partial memory bandwidth and frame rate improvement in global illumination

A pixel driving technique for an organic light emitting diode (oled) display. A frame of image data is shifted into an oled panel and activated for global illumination.
Google Inc.

Method for driving display

A method of driving a display having a light emitting diode (led) is provided. A driving pulse of a pulse width modulation method is applied to each pixel by a drive circuit, and a time for illuminating a red light, a blue light, and a green light, which are three primary colors, of each pixel is controlled, thereby controlling the luminance of the pixel..
Sundiode Korea

Electronic device display with monitoring circuitry

An electronic device may have a flexible display such as an organic light-emitting diode display. A strain sensing resistor may be formed on a bent tail portion of the flexible display to gather strain measurements.
Apple Inc.

Modular display panel

In one embodiment, modular light emitting diode (led) display panel includes a plurality of leds is attached to a printed circuit board. A power supply is coupled to the plurality of leds and configured to receive direct current (dc) power.
Ultravision Technologies, Llc

Blind zone indicator module for exterior rearview mirror assembly

A blind zone indicator module for a vehicular exterior rearview mirror assembly includes a hollow housing that includes a front end for attaching the indicator module at the rear of a mirror reflective element configured for use by an exterior rearview mirror assembly, a rear end opposite the front end, and an intermediate portion between the front end and the rear end. The hollow housing comprises an inner surface that is white and is diffusely reflective of light incident thereat.
Magna Mirrors Of America, Inc.

Apparatus for regulator with improved performance and associated methods

An apparatus includes an integrated circuit (ic), which includes a voltage regulator. The voltage regulator includes a first transistor coupled to an input voltage of the voltage regulator and a first output of the voltage regulator.
Silicon Laboratories Inc.

Liquid crystal display device

An lcd includes: a liquid crystal panel; a light guide plate disposed under a liquid crystal panel; a reflection plate under the light guide plate; a light emitting diode (led) assembly including an led facing a light incidence surface of the light guide plate and a printed circuit board (pcb) mounted on a lower surface of the led; and a graphite film configured to surround an upper surface and an outer side surface of the led assembly and a lower surface of the reflection plate.. .
Lg Display Co., Ltd.

Liquid crystal display device, polarizer and protective film

Provided is a liquid crystal display device that has excellent visibility while using a protective film comprising a polyester film. The liquid crystal display device comprises a backlight light source, and a liquid crystal cell disposed between two polarizers; the backlight light source being a white light-emitting diode; each of the polarizers comprising a polarizing film and protective films laminated on both sides of the polarizing film; and at least one of the protective films being a polyester film having a retardation of 3,000 to 30,000 nm..
Toyobo Co., Ltd.

Transmitter optical subassembly (tosa) module with integrated welding member for use in optical transmitters or transceivers

In accordance with an embodiment, a transmitter optical subassembly (tosa) module is disclosed with a base portion that provides one or more mounting surfaces to mount a laser diode and associated driver circuitry in close proximity to allow for direct coupling without the use of an intermediate interconnect device, such as a flexible printed circuit or other interconnect device. The tosa module base further includes a cylindrical shaped portion with a passageway extending therethrough.
Applied Optoelectronics, Inc.

Liquid crystal display device

A liquid crystal display device includes: a liquid crystal display panel; a light guide plate having adjacent first and second light incidence surfaces below the liquid crystal display panel; a reflection plate disposed under the light guide plate; and first and second light-emitting diodes (leds) facing the first and second light incidence surfaces, respectively, wherein the light guide plate comprises: a first prism pattern configured on a lower surface of the light guide plate and extending in a first direction parallel to the first light incidence surface; and a second prism pattern configured on an upper surface of the light guide plate and extending in a second direction parallel to the second light incidence surface.. .
Lg Display Co., Ltd.

Optical design for modularizing laser radar sensor

A laser radar device comprises a laser projecting system and a laser radar detecting system. The laser projecting system comprises a laser diode; and a light source orientation adjustment unit comprising a collimating lens and a powell lens to modulate the angle at which the first incident laser beam is projected onto an object.
National Chung Shan Institute Of Science And Technology

Doorbell camera test tool

A test tool for a low voltage devices is described. The test tool comprises a voltage sensor, a current sensor, a diode sensor, a testing module, and an indicator.
Nortek Security & Control Llc

Rotating diode fault detection

Systems and methods for detecting a diode fault are provided. In one example implementation, a method for determining a diode fault condition in a rotating rectifier associated with an electrical machine in an aircraft includes obtaining, by one or more processors, a signal associated with a diode of a rotating rectifier; determining, by the one or more processors, a frequency of interest; isolating, by the one or more processors, the frequency of interest from the signal to generate an isolated signal; determining, by the one or more processors, an amplitude of the isolated frequency of interest; and determining, by the one or more processors, a diode fault condition based on the determined amplitude..
Ge Aviation Systems Llc

Semiconductor element test apparatus and semiconductor element test method

A semiconductor element test apparatus includes a first switch having a switching element, a coil, a second switch, a semiconductor element, a first rectifying element, and a second rectifying element. The first switch, the coil, and the second switch are connected in series to a power source.
Denso Corporation

Test device

A bypass diode with a disconnection fault is identified. A test device includes: a signal introduction circuit that applies a disconnection position identification signal to between a positive electrode and a negative electrode of a solar battery string; and a fault calculating part that identifies the bypass diode with a disconnection fault on the basis of an ac component of a voltage between a frame ground and the positive electrode or an ac component of a voltage between the frame ground and the negative electrode when the disconnection position identification signal is applied..
Omron Corporation

Point-of-care fluorescent immunoassay for identifying biomarkers in patient biofluid samples

Systems and methods for low-cost point-of-care immunoassay are provided. The system comprises an emitter, two optical interference filters, a microscope slide, a photodiode detector, a circuit, and a measuring unit.
Arizona Board Of Regents On Behalf Of Arizona State University

Gas monitor

Gas monitor based on tuneable diode laser spectroscopy comprising at least one light source (1000) matched to at least one target gas (5000) and at least one light sensitive detector (3000), and optical means (2000; 2200) to form light beams and direct light beams through the target gas to be analysed as well as directing the light onto at least one detector (3000). The optical means comprise a retro reflector (2200) and a mirror arrangement comprising a central mirror (2100) and a surrounding mirror (2300) arranged with an offset angle between their optical axes, the central mirror (2100) being arranged for receiving light from the light source (1000) and directing light to the retro reflector (2200), the retro reflector (2200) arranged for returning the light to the surrounding mirror (2300), and the surrounding mirror (2300) arranged for reflecting the light into the detector (3000).
Neo Monitor As

Optical spectrum measurement device

An optical spectrum measurement device includes: a grating spectroscope that disperses an incident light, the grating spectroscope emitting the incident light from a slit; a plurality of photodiode sensors that has mutually different light receiving properties; a movable table on which the plurality of photodiode sensors is placed so as to align on a planar surface perpendicular to a traveling direction of an emitted light from the slit; and a driving mechanism that moves the movable table so as to have a state where the emitted light enters into any of the plurality of photodiode sensors.. .
Yokogawa Test & Measurement Corporation

Resistive telemetry system and method

A telemetry system with a matrixed telemetry switch unit array and a method for determining the switch position of a telemetry switch unit. The switch units include steering diodes and parallel signal paths each with unique resistance values.
Com Dev International Ltd.

Led lamps and luminaires

Lighting modules and systems including a heat sink are generally disclosed. The exemplary embodiments include a lighting module having a light emitting diode (led) board including at least one led, a heat sink in thermal communication with the led board for dissipating heat generated by at least the led board, and a separate component board that is thermally insulated from the led board and may include, for example, an led driver, a power management component, a power conversion component, an led control component, and a dimming component.
Gooee Limited

Led lens for backlight unit

A light emitting diode (led) lens for a backlight unit for uniformly distributing light emitted from an led chip that emits light via a volume source. The led lens for a backlight unit includes a lower surface including an incident surface through which light emitted from the led chip is incident upon the led lens, an emissive surface from which the light incident upon the led lens is emitted, and a total-reflection surface included in the lower surface so as to total-reflect the light emitted from the led chip and incident upon the led lens toward the emissive surface, wherein the total-reflection surface includes a first total-reflection surface convex downward and a second total-reflection surface connected to the first total-reflection surface and convex upward, and an inflection point is formed between the first total-reflection surface and the second total-reflection surface..
Anycasting Co., Ltd.

Omnidirectional light emitting diode filament holder

An omnidirectional led filament holder and lighting device comprising the same comprises a filament tree supporting a plurality of linear led filaments having a twisted orientation relative to a central support stalk of the filament tree. When arranged within a globe of a lighting device, the omnidirectional led filament holder provides a lighting device providing omnidirectional light emission usable for general lighting applications while providing a desirable aesthetic for the lighting device..
Feit Electric Company, Inc.

Rubber-like material for the immobilization of proteins and its use in lighting, diagnosis and biocatalysis

The present invention relates to a process of preparing a rubber-like material containing a protein immobilized therein, as well as a corresponding rubber-like material, the process comprising the steps of (a) mixing a protein, a branched polymer such as trimethylolpropane ethoxylate and a linear polymer such as poly(ethylene oxide) in an aqueous solution to form a gel, and (b) drying the gel to obtain a rubber-like material containing the protein immobilized therein, wherein the branched polymer comprises at least three polymeric branches bound to a central branching unit. The rubber-like material allows the immobilization and stabilization of a wide range of different proteins, including luminescent proteins as well as enzymes, and can particularly advantageously be used as down-converting material for light-emitting diodes (leds), for diagnostic applications, and in bioreactors..
Fundación Imdea Materiales

Light emitting material, manufacture method thereof and organic light emitting diode using the light emitting material

The present invention provides a light emitting material, a manufacture method thereof and an organic light emitting diode using the light emitting material. The structure is unitary, and the formula weight is determined, and the better solubility and film formation are provided, and the thin film status is stable; it possesses a very high decomposition temperature and a lower sublimation temperature, and is easy to sublime to be light emitting material of high purity, and can be applied for small molecule organic light emitting diode.
Shenzhen China Star Optoelectronics Technology Co., Ltd.

Light emitting material, manufacture method thereof and organic light emitting diode using the light emitting material

The present invention provides a light emitting material, a manufacture method thereof and an organic light emitting diode using the light emitting material. The structure is unitary, and the formula weight is determined, and the better solubility and film formation are provided, and the thin film status is stable; it possesses a very high decomposition temperature and a lower sublimation temperature, and is easy to sublime to be light emitting material of high purity, and can be applied for small molecule organic light emitting diode.
Shenzhen China Star Optoelectronics Technology Co., Ltd.

Light emitting material, manufacture method thereof and organic light emitting diode using the light emitting material

The present invention provides a light emitting material, a manufacture method thereof and an organic light emitting diode using the light emitting material. The structure is unitary, and the formula weight is determined, and the better solubility and film formation are provided, and the thin film status is stable; it possesses a very high decomposition temperature and a lower sublimation temperature, and is easy to sublime to be light emitting material of high purity, and can be applied for small molecule organic light emitting diode.
Shenzhen China Star Optoelectronics Technology Co., Ltd.

Light emitting material, manufacture method thereof and organic light emitting diode using the light emitting material

The present invention provides a light emitting material, a manufacture method thereof and an organic light emitting diode using the light emitting material. The structure is unitary, and the formula weight is determined, and the better solubility and film formation are provided, and the thin film status is stable; it possesses a very high decomposition temperature and a lower sublimation temperature, and is easy to sublime to be light emitting material of high purity, and can be applied for small molecule organic light emitting diode.
Shenzhen China Star Optoelectronics Technology Co., Ltd.

Light emitting material, manufacture method thereof and organic light emitting diode using the light emitting material

The present invention provides a light emitting material, a manufacture method thereof and an organic light emitting diode using the light emitting material. The structure is unitary, and the formula weight is determined, and the better solubility and film formation are provided, and the thin film status is stable; it possesses a very high decomposition temperature and a lower sublimation temperature, and is easy to sublime to be light emitting material of high purity, and can be applied for small molecule organic light emitting diode.
Shenzhen China Star Optoelectronics Technology Co., Ltd.

Samsung Display Co., Ltd.

. .

Light emitting diode driver for dimming and on/off control

In one aspect, an integrated circuit (ic) includes a first magnetic field sensor configured to sense a ring magnet, a second magnetic field sensor configured to sense the ring magnet and processing circuitry configured to receive a first signal from the first magnetic field sensor and to receive a second signal from the second magnetic field sensor. The processing circuitry is further configured to control an on/off state of at least one light emitting diode (led) and brightness of the led based on movement and position of the ring magnet with respect to the first and second magnetic field sensors..
Allegro Microsystems, Llc

Image sensor with high dynamic range

A photodiode produces photogenerated charges in response to exposure to light. An integration period collects the photogenerated charges.
Stmicroelectronics (crolles 2) Sas

Panoramic vision system

A panoramic vision system includes a processor configured to convert received images into images in a spherical coordinate; a memory coupled to the processor and configured to store the images in the spherical coordinate; and a spherical display coupled to the processor, wherein the spherical display has a sphere center, the spherical display comprises a plurality of light-emitting-diode pixels being arranged according to the spherical coordinate, there is a same radial distance between each light-emitting-diode pixel of the plurality of light-emitting-diode pixels and the sphere center, in the plurality of light-emitting-diode pixels, there is a same azimuth spacing between adjacent two of the plurality of light-emitting-diode pixels at a zenith angle, and there is a same zenith spacing between adjacent two of the plurality of light-emitting-diode pixels at an azimuth angle.. .
Industrial Technology Research Institute

Position localization using visible light communication

Visible-light communication (vlc) is an optical wireless communication technique that uses light emitting diodes (leds) or other optical sources to transmit information to a user equipment (ue) device. An optically-based location determination approach, such as using vlc infrastructure, can meet a desire for location-based services where use of vlc can provide a solution to an indoor localization or navigation problem.

Bootstrap diode emulator circuit

A bootstrap diode emulator circuit having a cathode and an anode includes a transistor device and a diodic device. The transistor device is arranged at the cathode of the bootstrap diode emulator circuit.
Mosway Technologies Limited

Semiconductor device

A semiconductor device includes: a bootstrap capacitor charged via a diode when a low-side switching device is on, a resulting charge voltage being applied to a high-side driver circuit when the low-side switching device is off; a supplementary bootstrap capacitor charged when the low-side switching device is off; a zener diode that regulates a charge voltage of the supplementary bootstrap capacitor; and a control circuit that applies the charge voltage of the supplementary bootstrap capacitor to the high-side driver circuit via a switch circuit when the charge voltage of the bootstrap capacitor decreases to less than a prescribed voltage while a high-side switching device is on.. .
Fuji Electric Co., Ltd.

Apparatuses and methods for temperature independent oscillators

Apparatuses and methods for temperature independent oscillator circuits are disclosed herein. An example apparatus may include a pulse generator circuit configured to provide a periodic pulse based on the charging and discharging of a capacitor and further based on a reference voltage.
Micron Technology, Inc.

Rectifier device

A rectifier device is described herein. In accordance with one example, the rectifier device includes a transistor that has a load current path and a diode connected parallel to the load current path.
Infineon Technologies Ag

Rectifier device

A rectifier is described herein. According to one example, the rectifier includes a semiconductor substrate and further includes an anode terminal and a cathode terminal connected by a load current path of a first mos transistor and a diode that is connected parallel to a load current path.
Infineon Technologies Ag

Adaptive synchronous switching in a resonant converter

An embodiment of a resonant converter includes having resonant circuitry having inductive and capacitive elements configured to create electrical resonance when an input voltage is applied and a synchronous rectifier coupled between at least a portion of the resonant circuitry and an output of the resonant converter. The synchronous rectifier includes a diode, and an electrical switch.
Nexgen Power Systems, Inc.

Single-phase bridgeless insulated power factor adjustment circuit

A single-phase bridgeless insulated power factor adjustment circuit includes an emi filter module, low-frequency switching diode module, two switches and two insulated voltage transformation modules. The emi filter module is coupled to an ac power.
National Chung Shan Institute Of Science And Technology

Rectifier device

A rectifier is described herein. According to one example, the rectifier includes a semiconductor substrate and further includes an anode terminal and a cathode terminal connected by a load current path of a first mos transistor and a diode that is connected parallel to a load current path.
Infineon Technologies Ag

High holding voltage clamp

An electrostatic discharge (esd) protection device with a high holding voltage is disclosed including at least an esd clamp coupled to a holding voltage tuning circuit. The esd clamp may be coupled to the holding voltage tuning circuit through a connection circuit such as a diode.
Sofics Bvba

Oring control using low voltage device for high voltage dc rack

A protection circuits for server racks may include an oring circuit having a first mosfet, a first diode, and first and second comparators. Each of the first and second comparators supports a maximum voltage difference that is less than an operational voltage of the power supply.
Google Inc.

Organic light-emitting diode device and manufacturing method thereof

An organic light-emitting diode and method for manufacturing the same is provided in the present disclosure. The organic light-emitting diode includes a base plate, an oled unit which disposed on the base plate and a packaging structure which connected with the base plate and used for packaging the oled unit.
Aac Technologies Pte. Ltd.

Organic compound and light emitting diode and organic light emitting diode display device using the same

The present disclosure relates to an organic compound, a light emitting diode and an organic light emitting diode display device using the same. The organic compound is represented by a following chemical formula 1..
Lg Display Co., Ltd.

Quantum light emitting diode and quantum light emitting device including the same

A quantum light emitting diode comprises a first electrode; a second electrode facing the first electrode; a light-amount enhancing layer between the first and second electrodes and having a structure guiding emitted light toward an emitting side; and an emitting material layer between the light-amount enhancing layer and the second electrode and including a quantum particle at the structure of the light-amount enhancing layer.. .
Lg Display Co., Ltd.

Quantum dot structure and manufacturing method, quantum dot light-emitting diode and manufacturing method

The present disclosures a quantum dot structure and a manufacturing method thereof, a quantum dot light-emitting diode (led) and a manufacturing method thereof. The quantum dot structure includes a quantum dot core, a strain compensation layer wrapping the quantum dot core and a shell wrapping the strain compensation layer, wherein the degree of lattice match between the quantum dot core and the shell or the strain compensation layer is more than 88%..
Aac Technologies Pte. Ltd.

Organic light-emitting diode with high efficiency

The present invention relates to an organic light-emitting diode which can operate at a low voltage and has a long lifespan compound and, more particular, to an organic light-emitting diode, comprising: a first electrode; a second electrode facing the first electrode; and a light-emitting layer and an electron transport layer sequentially arranged between the first and the second electrode, wherein the light-emitting layer contains at least one of the amine compounds represented by following chemical formula a or chemical formula b, and the electron transport layer contains at least one of the compounds represented by the following chemical formula e. The structures of chemical formulas a, b, and e are as shown in the specification..
Sfc Co., Ltd.

Organic compound, and organic light-emitting diode and organic light-emitting diode display device including the same

An organic compound is represented by the formula below, and an organic light-emitting diode and an organic light-emitting diode display device include the organic compound.. .
Lg Display Co., Ltd.

Light-emitting diode chip

A light-emitting diode chip including a p-type semiconductor layer, a light-emitting layer, an n-type semiconductor layer, and a first metal electrode is provided. The light-emitting layer is disposed between the p-type semiconductor layer and the n-type semiconductor layer.
Playnitride Inc.

Light emitting diode chip

A light-emitting diode chip including a p-type semiconductor layer, a light-emitting layer and an n-type semiconductor layer is provided. The light-emitting layer is disposed between the p-type semiconductor layer and the n-type semiconductor layer.
Playnitride Inc.

Light emitting diode chip

A light emitting diode (led) chip has an inclined notch. The inclined notch has at least one inclined surface.
Playnitride Inc.

Optical analyzer and producing the same

A passage (3) for a sample solution is formed in a sapphire base body (2) used as a substrate for semiconductor devices. An led (4) and a photodiode (5) are formed on the base body (2) by a semiconductor manufacturing process so that they face each other across the passage (3).
Shimadzu Corporation

Monolithically integrated thin-film device with a solar cell, an integrated battery, and a controller

A thin-film monolithically integrated solar module with a solar cell, an integrated energy storage device, and a controller may be provided. It may comprise a thin-film solar cell, having at least one solar diode, on a transparent substrate, a thin-film energy storage device, and an electronic controller comprising at least one thin-film transistor above the thin-film energy storage device.
International Business Machines Corporation

Display device

A display is provided. The display device includes a display area and a non-display area located around the display area; a base layer; an organic light-emitting diode (oled) that is located on the base layer in the display area; and a first crack detection line that is located on the base layer in the non-display area; wherein the first crack detection line comprises a first line that extends substantially in a first direction along a first edge of the display area, a second line that is separated from the first line and extends substantially in the first direction, and a third line that is connected to an end of the first line and an end of the second line, wherein a cross-sectional shape of the first line in a second direction crossing the first direction is inversely tapered..
Samsung Display Co. Ltd.

Organic light emitting display device

Provided is an organic light emitting display device having a protective substrate configured to minimize permeation of moisture or static electricity into the device. The protective substrate is disposed on the bottom surface of a substrate so as to support and protect a substrate having an organic light emitting diode from moisture..
Lg Display Co., Ltd.

Organic light emitting diode display device

An organic light emitting display device is capable of substantially preventing the occurrence of color mixture and improve the color purity, the organic light emitting display device including: a substrate; a first electrode on the substrate; a pixel defining layer defining a first opening which exposes at least a portion of the first electrode; a first organic light emission layer on the first electrode; and a second electrode on the first organic light emission layer, wherein the pixel defining layer may include quantum dots.. .
Samsung Display Co., Ltd.

Pixel and organic light-emitting display device having the same

A pixel includes first through fourth transistors and storage capacitor. The first transistor controls an amount of current flowing from a first driving power source to a second driving power source, via an organic light-emitting diode, based on a voltage of a first node.
Iucf-hyu (industry-university Cooperation Foundation Hanyang Univertiy)

Organic light-emitting diode, display panel and display device

The application discloses an organic light-emitting diode for a display panel. The organic light-emitting diode includes an anode, a cathode, at least two emitting layers arranged between the anode and the cathode, and a charge generation layer arranged between every two adjacent emitting layers, wherein the charge generation layer includes a first layer unit and a second layer unit which are arranged in sequence, the first layer unit includes a hole injection material and a p-type semiconductor material doped in the hole injection material, and the second layer unit includes an electron transport material and ytterbium doped in the electron transport material, wherein a volume concentration of ytterbium doped in the electron transport material ranges from 1% to 5%..
Shanghai Tianma Am-oled Co., Ltd.

Organic light emitting diode display

An organic light emitting diode display includes a substrate and a first red organic light emitting element disposed on the substrate. The first red organic light emitting element may include a first light emission region and a second light emission region, wherein the first light emission region emits a first red light having a first peak wavelength, and the second light emission region emits a second red light having a second peak wavelength different from the first peak wavelength..
Samsung Display Co, Ltd.

Solid-state imaging apparatus and electronic device

Disclosed herein is a solid-state imaging apparatus including: a semiconductor base; a photodiode created on the semiconductor base and used for carrying out photoelectric conversion; a pixel section provided with pixels each having the photodiode; a first wire created by being electrically connected to the semiconductor base for the pixel section through a contact section and being extended in a first direction to the outside of the pixel section; a second wire made from a wiring layer different from the first wire and created by being extended in a second direction different from the first direction to the outside of the pixel section; and a contact section for electrically connecting the first and second wires to each other.. .
Sony Corporation

Display apparatus and connecting light emitting part thereof

A display apparatus and a method of connecting electrodes thereof. The display apparatus includes: a light emitting part including a plurality of light emitting diodes regularly arranged thereon; and a tft panel part including a plurality of tfts driving the plurality of light emitting diodes, wherein the light emitting part includes a substrate; a plurality of electrodes regularly arranged on the substrate; the plurality of light emitting diodes regularly arranged on the substrate and separated from the plurality of electrodes; and a plurality of printed connection electrodes electrically connecting the plurality of electrodes to the plurality of light emitting diodes, respectively.
Seoul Viosys Co., Ltd.

Esd protection circuit cell

A protection cell for a cell library. The protection cell defines a protection circuit for an ic having a driving device with a first supply voltage vdd1 and an output, and a driven device having an input and a second supply voltage vdd2.
Taiwan Semiconductor Manufacturing Co., Ltd.

Insulated gate semiconductor device

An insulated gate semiconductor device includes a main insulated gate transistor having a gate electrode controlling a main current, a current-detecting insulated gate transistor, which is disposed in parallel to a main insulated gate transistor, outputting a current on a proportional basis in size between the transistors to the main current flowing through the main insulated gate transistor, a temperature detecting diode formed integrally with these insulated gate transistors in a semiconductor substrate. Interposing an esd tolerance zener diode between an emitter electrode of the current-detecting insulated gate transistor and an anode electrode of the temperature detecting diode leads to securing the esd tolerance for the current-detecting insulated gate transistor by using the temperature detecting diode..
Fuji Electric Co., Ltd.

Light source comprising a number of semi-conductor components

A light source includes a plurality of semiconductor components, wherein a semiconductor component includes a plurality of light-emitting diodes, the diodes are arranged in a predefined grid in at least one column in or on the semiconductor component, and a control circuit that drives the individual diodes is arranged on the semiconductor component.. .
Osram Opto Semiconductors Gmbh

Light-emitting diode (led) device

A light-emitting diode (led) device configured to provide a multi-color display includes a plurality of light-emitting cells at least partially defined by a partition layer. The led device may be configured to reduce optical interferences between the light-emitting cells.
Samsung Electronics Co., Ltd.

Light-emitting diode (led) device for realizing multi-colors

A light-emitting diode (led) device includes a plurality of light-emitting structures spaced apart from each other; a plurality of electrode layers on first surfaces of the plurality of light-emitting structures, respectively; a protection layer on second surfaces of each of the plurality of light-emitting structures, respectively; a separation layer to electrically insulate the plurality of light-emitting structures from each other and electrically insulate the plurality of electrode layers from each other; a plurality of phosphor layers on second surfaces of the plurality of light-emitting structures, respectively, each of the plurality of the phosphor layers each to output a different color of light; and a partitioning layer between the phosphor layers and separating the plurality of phosphor layers from each other, the partitioning layer including a substrate structure, an insulation structure, or a metal structure.. .
Samsung Electronics Co., Ltd.

Flip-chip packaging diode with a multichip structure

A flip-chip packaging diode with a multichip structure includes at least two flip-chips arranged with an interval apart from each other and horizontally disposed on the top of a lower guide plate, and each flip-chip has a bottom electrically connected to the lower guide plate and a top having a conductive layer. An insulating material is filled between the two flip-chips and at the outer periphery of the two flip-chips, so that the conductive layers at the tops of the two flip-chips are isolated to form a first electrode and a second electrode for electrically connecting an external circuit.
Formosa Microsemi Co., Ltd.

Organic light-emitting display device

Disclosed is an organic light-emitting display device capable of realizing a high resolution. The organic light-emitting display device includes a storage capacitor disposed on a substrate, which overlaps at least one transistor, with at least one buffer layer interposed therebetween, the at least one buffer layer disposed on the storage capacitor, and which includes a lower storage electrode and an upper storage electrode overlapping the lower storage electrode, with a storage buffer layer interposed therebetween, and a light-emitting diode connected to the transistor.
Lg Display Co., Ltd.

Ophthalmic system having adjustable accommodation based on photodetection

Techniques and mechanisms for determining an amount of accommodation for an ophthalmic system are described. In an embodiment, the ophthalmic system includes a first circuit and a second circuit, each comprising a respective photodiode.
Verily Life Sciences Llc

Geodetic instrument with improved dynamic range

A method for determining a distance to a target by a geodetic instrument is disclosed. The method comprises emitting an optical pulse towards a target at an emission time, applying a bias adjustment to a photodiode that is arranged to receive a return optical pulse reflected at the target, obtaining a reference signal that is indicative of a transient behavior of the photodiode for the bias adjustment, obtaining a difference signal by subtracting, from a signal output from the photodiode, a signal that resembles, or is equal to, the transient behavior of the photodiode in response to the bias adjustment based on the reference signal, extracting a reception time that corresponds to reception of the return optical pulse at the photodiode based at least in part on the difference signal, and determining the distance to the target based on the emission time and the reception time..
Trimble Ab

Test bench for simulating the electrical response of a wideband lambda sensor

A test bench for a control system for controlling a wideband lambda sensor, which is configured to calculate an actual value, which represents an oxygen concentration in a measuring gap of a wideband lambda sensor or an indicator value from which the oxygen concentration can be derived, with consideration of a current generated by a pump voltage in an electrical circuit. In order to simulate the electrical response of a pump cell of the wideband lambda sensor, a first diode and a second diode are connected in parallel in the electrical circuit such that a current flows through the first diode at a first polarity of the pump voltage and a current flows through the second diode at a second polarity of the pump voltage..
Dspace Digital Signal Processing And Control Engineering Gmbh

Compact device for sensing a liquid with energy harvesting from liquid motion

A compact device useful for measuring an absorption spectrum of a liquid, such as water with organic contaminants, is provided. The device comprises an array of light emitting diodes (leds) each emitting light with a unique spectral peak.
Hong Kong Applied Science And Technology Research Institute Company Limited

Ambient luminosity level detection

The following steps are performed in connection with a photodiode circuit: a) resetting the photodiode circuit; b) determining when a photodiode voltage changes in response to illumination to reach a threshold; and c) updating a counter in response to the determination in step b). The steps a) to c) are repeated until an end of a measurement period is reached.
Stmicroelectronics (grenoble 2) Sas

Lighting means arrangement and producing same

The invention relates to a lighting means arrangement (28) and to a method for producing same. The lighting means arrangement (28) comprises at least one lighting means (20), for example a light-emitting diode chip (21) comprising at least one light emission surface (22).
Deutsche Institute Für Textil- Und Faserforschung Denkendorf

Electronic candle lamp and light-emitting diode (led) lamp

The present disclosure discloses a light-emitting diode (led) lamp and an electronic candle lamp, which comprise a baseplate, a plurality of groups of lamp bodies, a lamp shade and a controlling device. The plurality of groups of lamp bodies are disposed on the baseplate, and each group of the lamp bodies respectively comprises a plurality of leds arranged in a matrix form; the lamp shade is disposed on the baseplate and has the plurality of groups of lamp bodies nested therein; and the controlling device is electrically connected to the plurality of groups of lamp bodies to control part of the leds in each group of the lamp bodies to emit light so that the electronic candle lamp presents a candlelight effect with flickering flames.
Atake Digital Technology (shenzhen) Co., Ltd.

Light-emitting diode package

The present invention relates to a light-emitting diode package comprising: a base having a seating surface; a light-emitting diode arranged on the seating surface; a lens arranged on the seating surface such that the lens covers the light-emitting diode; and a reflective part arranged on the seating surface such that the reflective part is spaced apart from the lens, and formed with a preset inclination angle (θ), wherein the inclination angle (θ) can be set according to a separation distance between the lens and the reflective part. Therefore, the light-emitting diode package can minimize a change in a beam angle and a field angle by comprising the reflective part formed with an inclination angle set as a predetermined angle according to the separation distance between the lens and the reflective part..
Lg Innotek Co., Ltd.

Illumination device with multi-color light-emitting elements

A variety of illumination devices for general illumination utilizing solid state light sources (e.g., light-emitting diodes) are disclosed. In general, an illumination device can include multiple light sources that are disposed on a substrate, where at least some of the light sources include a light-emitting diode (led) and a corresponding inelastic scattering element surrounding, at least in part, the led.
Quarkstar Llc

Visible diode laser systems, apparatus and methods of use

Systems, apparatus and methods for performing laser operations in boreholes and other remote locations, such operations including laser drilling of a borehole in the earth. Systems, apparatus and methods for generating and delivering high power laser energy below the surface of the earth and within a borehole.
Foro Energy, Inc.

Monochromatic actinic radiation curable coatings for optical fiber

Described herein is a method for coating optical fiber where the coating has been cured by application of a source of monochromatic actinic radiation, such as a light emitting diode, wherein the coating contains a urethane(meth)acrylate oligomer; a (meth)acrylate diluent monomer; a diluent monomer having an electron donating group adjacent to the vinyl group, such as a vinyl ether monomer; and a photoinitiator. Also described are compositions which are capable of undergoing photopolymerization when coated on an optical fiber and when irradiated by a light emitting diode (led) with improved surface cure and reduced yellowing.
Dsm Ip Assets B.v.

Method for removing p-xylene from aqueous compositions

A method of removing at least one single ring aromatic hydrocarbon from a hydrocarbon contaminated fluid. The method includes contacting the hydrocarbon contaminated fluid with carbon nanotubes to adsorb the at least one single ring aromatic hydrocarbon while exposing the hydrocarbon contaminated fluid and the carbon nanotubes to uv irradiation from at least one uv light source, preferably a uv light emitting diode (led), with a wavelength of about 315-415 nm, preferably about 365 nm, to form a treated fluid having a reduced concentration of the at least one single ring aromatic hydrocarbon relative to the hydrocarbon contaminated fluid..
King Fahd University Of Petroleum And Minerals

Drive system and vehicle

A drive system includes a drive device including an electric power generator; a fuel cell; a secondary battery; a fuel cell step-up converter including a diode; a relay connected to wiring between the fuel cell step-up converter and the drive device; a secondary battery step-up converter connected; a fuel cell voltage sensor; a secondary battery voltage sensor; and a controller. The controller stops the secondary battery step-up converter when a short-circuit fault of the diode is detected, disconnects the relay when a voltage of the fuel cell is higher than a voltage of the secondary battery after stopping the secondary battery step-up converter, and when the voltage of the secondary battery is higher than or equal to the voltage of the fuel cell, executes a voltage control process which increases the voltage of the fuel cell relative to the voltage of the secondary battery, and disconnects the relay..
Toyota Jidosha Kabushiki Kaisha

Sports ball with sensors and transmitter

A sports ball for communicating to an external electronic device various parameters related to an impact with a sporting implement, such as a golf club. The sports ball comprises an outer resilient shell within that is contained a resilient core.

Mobile device case with ultraviolet light sanitizer and light therapy

A protective case for a mobile electronic device is provided. The case includes at least one light emitting diode that emits electromagnetic radiation in the range of uv-c light for sanitizing contaminated surfaces.
Ets Technologies, Llc

Photoacoustic, noninvasive, and continuous blood glucose measurement device

A photoacoustic, noninvasive, and continuous blood glucose measurement device includes: a diode laser for irradiating a living body with a pulsed laser signal having a specific wavelength; and an ultrasound transducer for measuring a photoacoustic signal in a form of ultrasonic waves generated by a reaction of the living body with the pulsed laser signal.. .
Postech Academy-industry Foundation

Enhanced pointe shoe for ballet and pointe shoe conversion kit

Disclosed are devices, kits and methods for an enhanced pointe shoe for ballet. In some embodiments, an enhanced pointe shoe includes light-emitting diodes (leds) and sensors that may activate the leds based on the ballet performers movements.

Lg Innotek Co., Ltd.

. .

Lg Display Co., Ltd.

. .

Adaptive control for display backlight boost converter

Liquid crystal display (lcd) backlight boost converters are adaptively controlled, digitally, to achieve improved ripple voltage regardless of independent dimming among light emitting diode (led) strings. Adaptively controlling an lcd backlight boost converter includes determining, during normal operation, an ongoing current or expected current (e.g., load current) provided to or expected to be provided to one or more of the led strings by the display backlight boost converters.
Qualcomm Incorporated

Light emitting diode lighting system for commercial and residential applications

The present invention provides for a novel system led lights provided in a linear array, receiving electrical power from at lease one power supply with the need to introduce electrical power in more than one location of the linear array of led lights.. .

Backlight unit using multi-cell light emitting diode

A backlight unit includes a backlight module with a printed circuit board including blocks and mjt leds disposed on the blocks, respectively and a backlight control module generating a signal for drive control of each of the blocks, wherein each of the blocks comprises at least one mjt led, and the backlight control module includes a drive controller for on/off control and dimming control of each of the blocks.. .
Seoul Semiconductor Co., Ltd.

Control module for a driver for an electrical load

A lighting control system for controlling a cumulative light emitted by a lighting fixture may comprise a light-emitting diode (led) driver comprising an output for conducting an output current, and a control module electrically coupled to the output of the led driver for receiving the output current. The led driver may regulate the magnitude of the output current towards a target current, and may be characterized by a low-end intensity.
Lutron Electronics Co., Inc.

Bootstrap capacitor over-voltage management circuit for gan transistor based power converters

A drive circuit for a half bridge transistor circuit formed of enhancement mode gan transistors. A shunt diode is connected to the bootstrap capacitor at a node between the bootstrap capacitor and ground, the shunt diode being decoupled from the midpoint node of the half bridge by a shunt resistor.
Efficient Power Conversion Corporation

Switching device

A high side transistor is coupled between a high potential side power source node and an intermediate node, and a recirculation diode is coupled between a low potential side power source node and the intermediate node, thereby forming a recirculation path when the high side transistor is off. A power source supply line couples the high potential side power source node with one end of the high side transistor.
Renesas Electronics Corporation

Radio frequency module and communication device

A radio-frequency module includes a substrate, a low-noise amplifier circuit being a first amplifier circuit arranged in a first area in the substrate, a power amplifier circuit being a second amplifier circuit arranged in a second area in the substrate, and a duplexer being a component arranged between the first area and the second area in the substrate and having a heat generating property lower than that of the power amplifier circuit. The low-noise amplifier circuit includes a bias circuit configured to generate a bias current dependent on temperature characteristics of a first diode, a voltage generating circuit configured to generate a voltage dependent on temperature characteristics of a second diode as an operating voltage for the bias circuit, and an amplifier circuit configured to operate at an operating point determined by the bias current..
Murata Manufacturing Co., Ltd.

Device and generating a negative voltage for a high side switch in an inverter

A configuration and a method for generating a negative voltage for a high-side switch in an inverter by providing at least one negative bias voltage for an inverter, wherein a simple and safe provision of the negative voltage becomes possible, and the switching costs as well as the costs and expenses for the production of such an inverter are reduced. A secondary winding generating a negative base voltage is arranged on a flyback transformer, wherein a first terminal of the secondary winding is connected to the hv+ potential and a second terminal of the secondary winding is connected via a rectifier diode to the first terminal for outputting the negative base voltage, wherein a bootstrap diode is arranged between the first terminal and a second terminal for outputting a negative base voltage (neg bias a), and wherein a bootstrap capacitor is arranged between the first terminal and the second terminal..
Hanon Systems

Inverter with charging capability

There included are: an arm circuit in which upper arm switching elements (21, 31, 41) to which a positive electrode of a battery (70) is connected and lower arm switching elements (22, 32, 42) to which a negative electrode of the battery (70) is connected are connected; a first capacitor (10) having one end connected to the positive electrode of the battery (70); a second capacitor (11) connected between another end of the first capacitor (10) and the negative electrode of the battery (70); a first diode (12) having a cathode electrode connected to the connection point between the upper arm and lower arm switching elements; and a second diode (13) having a cathode electrode connected to another end of the first capacitor (10). Power is supplied from an external power supply (80) to the anode electrode of the first diode (12) and anode electrode of the second diode (13)..
Nissan Motor Co., Ltd.,

Power converter

A diode rectifier rectifies an ac voltage output from a neutral-grounding three-phase ac power supply to a dc voltage. A smoothing capacitor smoothes the dc voltage rectified by the diode rectifier.
Mitsubishi Electric Corporation

Feedback scheme for non-isolated power supply

Embodiments described herein describe a switching power converter that includes a switch, an inductor, a diode, and a controller that generates a control signal to turn on and turn off the switch. The controller generates the control signal by generating a reference signal, integrating a difference between a voltage value of the generated reference signal, and a voltage difference between voltage values of the switching node and the second output terminal, and generating the control signal by processing the integrated voltage difference..
Dialog Semiconductor Inc.

Wireless power receiver, wireless power transmission system using the same, and rectifier

Disclosed herein is a wireless power receiving device that includes a power receiving coil that takes in ac power via a magnetic field, and a rectifier that converts the ac power to dc power and outputs the dc power to a load. The rectifier includes a plurality of diodes bridge-connected to each other, the plurality of diodes including a first diode whose anode is connected to one input terminal of the rectifier and a second diode whose cathode is connected to the one input terminal of the rectifier; a first capacitor connected in parallel with the first diode; and a second capacitor connected in parallel with the second diode.
Tdk Corporation

Electronic device capable of communicating by li-fi

An electronic device capable of communicating by li-fi and comprising:—at least one light emitting diode (4) intended to emit li-fi signals;—energy recovery means (10) intended to recover thermal energy produced by the light emitting diode and to generate, from the recovered thermal energy, a first electrical energy supply of the electronic device.. .
Oledcomm

Power receiver circuit

Systems and techniques are provided for a power receiver circuit. A power generating mechanism may include power generating elements that may generate alternating current signals.
Ubeam Inc.

Airport runway approach lighting apparatus

An airport runway approach lighting apparatus is disclosed. According to one embodiment, the airport runway approach light includes a visible light source configured to emit a visible light beam and an infrared light source configured to emit an infrared beam.

Manufacturable rgb laser diode source

A multi-wavelength light emitting device is manufactured by forming first and second epitaxial materials overlying first and second surface regions. The first and second epitaxial materials are patterned to form a plurality of first and second epitaxial dice.
Soraa Laser Diode, Inc.

Surface scattering antennas with lumped elements

Surface scattering antennas with lumped elements provide adjustable radiation fields by adjustably coupling scattering elements along a wave-propagating structure. In some approaches, the surface scattering antenna is a multi-layer printed circuit board assembly, and the lumped elements are surface-mount components placed on an upper surface of the printed circuit board assembly.
Searete Llc

Organic light-emitting diode display including a storage capacitive plate and a driving voltage line formed on the same layer and manufacturing method thereof

An oled display and a method of manufacturing thereof are disclosed. In one aspect, the display includes a scan line formed over a substrate and configured to transfer a scan signal, a data line and a driving voltage line crossing the scan line and respectively configured to transfer a data voltage and a driving voltage, and a switching transistor electrically connected to the scan line and the data line and including a switching drain electrode configured to output the data voltage.
Samsung Display Co., Ltd.

Organic light-emitting diode, display panel and display device

The disclosure discloses an organic light-emitting diode, a display panel and a display device. The organic light-emitting diode includes an anode, a cathode, at least two emitting layers arranged between the anode and the cathode, and a charge generation layer arranged between every two adjacent emitting layers, where the charge generation layer includes a first doping layer, an intermediate layer and a second doping layer which are arranged in sequence along the direction far away from the cathode, where the first doping layer includes a p-type semiconductor material, and the second doping layer includes a n-type semiconductor material; the p-type semiconductor material includes a p-type inorganic semiconductor material, a p-type metal dopant or a p-type organic semiconductor material, and the n-type semiconductor material includes a n-type inorganic semiconductor material, a n-type metal dopant or a n-type organic semiconductor material..
Shanghai Tianma Am-oled Co., Ltd.

Organic light emitting diode device and manufacturing the same

An organic light emitting diode display device and a method for manufacturing the same are disclosed where permeation of moisture and oxygen may be prevented. The organic light emitting diode display device includes a protective members including an first inorganic film formed on a substrate to completely cover an organic light emitting diode, an organic film formed on the first inorganic film, and a second inorganic film formed on the first inorganic film and the organic film, wherein the organic film includes a first organic pattern corresponding to upper and side parts of the organic light emitting diode, and at least one second organic pattern being spaced from the first organic pattern and surrounding the first organic pattern, and the second organic pattern has an upper surface having the same height as an upper surface of the first organic pattern..
Lg Display Co., Ltd.

Organic light emitting diode display device and manufacturing method thereof

An organic light emitting diode display device includes a first electrode on a protective layer, a pixel defining layer on the protective layer and defining an opening that exposes at least a portion of the first electrode, an organic light emitting layer on the first electrode, and a second electrode on the light emitting layer. The protective layer has a recessed portion overlapping the opening, and the recessed portion is spaced apart from an edge of the opening on a plane..
Samsung Display Co., Ltd.

Organic light-emitting display apparatus and manufacturing the same

A method of manufacturing an organic light-emitting display apparatus includes preparing a lower substrate comprising a display area and a peripheral area surrounding the display area. A first thin film transistors (tfts) is formed in the display area of the lower substrate.
Samsung Display Co., Ltd.

Lighting apparatus using organic light-emitting diode and fabricating the same

A lighting apparatus using an organic light-emitting diode and a method of fabricating the same are characterized in that an organic emissive material and a conductive film used as a cathode are deposited on the entire surface of a substrate, and then an organic emissive layer in a lighting area and contact areas becomes separated (disconnected or cut) by laser ablation, simultaneously with the formation of a contact hole for contact with an anode. Next, cathode contact and encapsulation processes are performed using an adhesive containing conductive particles and a metal film.
Lg Display Co., Ltd.

Organic light emitting diode package and display device comprising the same

Disclosed is an organic light emitting diode package which includes two oppositely disposed substrates, a containment region formed between the two oppositely disposed substrates, for accommodating an organic light emitting diode, and a blocking member provided around the containment region, for stopping an unwanted fluid. The blocking member is connected to one of the two substrates, and extends into a corresponding groove which is provided on the other substrate.
Shenzhen China Star Optoelectronics Technology Co. Ltd.

Lighting apparatus using organic light emitting diode

The present disclosure having such configuration can uniformly maintain pressing pressure by virtue of the anti-scratch layer even while winding or unwinding the substrate for pulse aging, thereby preventing damages due to scratches or particles.. .

Organic light emitting diode display device and manufacturing method thereof

An organic light emitting diode display device includes a substrate. A first protective layer is disposed on the substrate.
Samsung Display Co., Ltd.

Organic light emitting display device and manufacturing method thereof

A method for manufacturing an organic light emitting display device includes forming a substrate insulating film an upper surface, a lower surface, and at least one of two side surfaces of a substrate and forming an organic light emitting diode (oled) on the substrate on which the substrate insulating film is formed. An organic light emitting display device includes a substrate having a first surface, a second surface opposite to the first surface, and side surfaces that extend between the first surface and the second surface, a substrate insulating film disposed on the first surface, the second surface, and at least one of the side surfaces of the substrate, and an oled disposed on one of the first surface or the second surface of the substrate including the substrate insulating film..
Lg Display Co., Ltd.

Polymer-perovskite films, devices, and methods

Provided herein are perovskite-polymer films, methods of forming polymer-perovskite films, and devices including polymer-perovskite films. The polymer-perovskite films may include a plurality of methylammonium lead chloride (ch3nh3pbcl3) nanopillar crystals embedded in a polymer matrix.
Florida State University Research Foundation, Inc.

Thermal ground planes and light-emitting diodes

Methods and systems for thermal management of one or more leds are disclosed. One or more leds may be coupled with an external layer of a thermal ground plane according to some embodiments described herein.
Roccor, Lllc

Light emitting diode assembly using thermal pyrolytic graphite for thermal management

A light emitting diode assembly comprising such thermal management assembly is shown and described herein. The light emitting diode assembly may comprise a light emitting diode in thermal contact with a heat spreader.
Momentive Performance Materials Inc.

Led fabrication using high-refractive-index adhesives

Silicone-containing adhesive layer formed by cyclic ring-opening polymerization and comprising amounts of an organic base and bonding a wavelength converting layer to a thickness of sapphire in a light-emitting diode (led) apparatus. Methods enabling its uninhibited curing so as to achieve contaminant-free and debris-free adhesion between surfaces.
Lumileds Llc

Packaging high gamut white light quantum dot led

A packaging method of high color gamut white light quantum dot (qd) light emitting diodes (leds). The method includes: a.
Shenzhen Jufei Optoelectronics Co., Ltd.

Transparent electron blocking hole transporting layer

A light emitting diode includes an active region configured to emit light, a composite electrical contact layer, and a transparent electron blocking hole transport layer (tebhtl). The composite electrical contact layer includes tow materials.
Palo Alto Research Center Incorporated

Display device

A display device is provided. The display device includes a substrate, a first transistor, and a light emitting diode.
Innolux Corporation

Vertical structure leds

A light emitting diode can include a metal support layer: a gan-based semiconductor structure having a less than 5 microns thickness on the metal support layer, the gan-based semiconductor structure including a p-type gan-based semiconductor layer, an active layer on the p-type gan-based semiconductor layer, and an n-type gan-based semiconductor layer on the active layer; a p-type electrode on the metal support layer and including a plurality of metal layers; an n-type electrode on a flat portion of an upper surface of the gan-based semiconductor structure, and the n-type electrode contacts the flat portion; a metal pad layer on the n-type electrode; and an insulating layer including a first part disposed on the upper surface of the gan-based semiconductor structure, and a second part disposed on an entire side surface of the gan-based semiconductor structure, in which the metal pad layer includes a first portion having a flat bottom surface on the n-type electrode, and a second portion having stepped surfaces.. .
Lg Innotek Co., Ltd.

Light emitting diode and fabrication method thereof

A method of fabricating a light emitting diode includes providing a substrate, and forming successively an n-type layer, an active layer, an electronic blocking layer, and a p-type layer over the substrate. The p-type layer includes a mg-doped gan material layer having a mg impurity concentration of about 2×1019-2×1020 cm−3; and has a thickness of less than or equal to about 250 Å, and has a surface density of v-type defects of less than or equal to about 5×106 cm−2.
Xiamen San'an Optoelectronics Co., Ltd.

Ultraviolet light emitting diode, light emitting diode package, and lighting device

An ultraviolet light emitting diode according to an embodiment includes: a substrate; a first undoped gan layer including a planar upper surface and a v-pit on the substrate; a first nitride layer on the v-pit of the first undoped gan layer; a first undoped algan-based semiconductor layer on the first undoped gan layer and the first nitride layer; and a second undoped gan layer on the first undoped algan-based semiconductor layer, wherein the first undoped algan-based semiconductor layer includes a first region on the planar upper surface of the first undoped gan layer and a second region located on the v-pit of of the first undoped gan layer, and wherein an al concentration of the first region may be greater than that of the second region.. .

Asymmetric gated fin field effect transistor (fet) (finfet) diodes

Asymmetric gated fin field effect transistor (fet) (finfet) diodes are disclosed. In one aspect, an asymmetric gated finfet diode employs a substrate that includes a well region of a first-type and a fin disposed in a direction.
Qualcomm Incorporated

Semiconductor device with diode region and trench gate structure

A semiconductor device includes a semiconductor body formed from a semiconductor material with a band-gap of at least 2.0 ev, the semiconductor body having a diode region and a source region. The semiconductor device further includes a trench gate structure having a first sidewall and a second sidewall opposite the first sidewall, the first sidewall and the second sidewall extending along a common longitudinal direction.
Infineon Technologies Ag

Lateral high electron mobility transistor with integrated clamp diode

A method of forming a semiconductor device includes providing an engineered substrate, forming a gallium nitride layer coupled to the engineered substrate, forming a channel region coupled to the gallium nitride layer by forming an aluminum gallium nitride barrier layer on the front surface of the gallium nitride layer, forming a gate dielectric layer coupled to the aluminum gallium nitride barrier layer in the central portion of the channel region, forming a gate contact coupled to the gate dielectric layer, forming a source contact at the first end of the channel region, forming a via at the second end of the channel region, filling the via with a conductive material, forming a drain contact coupled to the via, removing the engineered substrate to expose the back surface of the epitaxial gallium nitride layer, and forming a drain pad on the back surface of the epitaxial gallium nitride layer.. .
Qromis, Inc.

Heterostructures and electronic devices derived therefrom

The advent of graphene and related 2d materials has recently led to a new technology: hetero-structures based on these atomically thin crystals. The paradigm proved itself extremely versatile and led to rapid demonstration of tunnelling diodes with negative differential resistance, tunnelling transistors, photovoltaic devices and so on.
Nanoco Technologies Ltd.

Electro-optical element integrating an organic electroluminescent diode and an organic transistor for modulating said diode

In this element, one of the current flow electrodes of the transistor and the lower electrode of the diode form a common layer. According to the invention, the transistor includes what is called a “contact” zone made of semiconductor material which is placed between at least one of its current flow electrodes and its active zone made of semiconductor material and which is doped with one or more dopants, which are electron donors or electron acceptors..

Organic light emitting diode display and manufacturing the same

An organic light emitting diode display comprises a substrate comprising a major surface; first, second, third and fourth electrodes positioned over the substrate; a pixel defining layer positioned over the plurality of electrodes and comprising first, second, third and fourth openings; and a spacer positioned over the pixel defining layer. The first, second, third and fourth openings overlap the first, second, third and fourth electrodes, respectively, when viewed in a viewing direction perpendicular to the major surface.
Samsung Display Co., Ltd.

Organic light emitting diode display device and manufacturing method thereof

An organic light emitting diode display device includes a passivation layer, a first electrode, a pixel defining layer, an organic emitting layer, and a second electrode. The passivation layer includes a trench and a recessed portion.
Samsung Display Co., Ltd.

Organic light emitting diode device

An organic light emitting diode (oled) display device is provided. The oled device includes a substrate, a first light emitting unit and a second light emitting unit.
Innolux Corporation

Organic light emitting display

Disclosed is an organic light emitting diode display apparatus including: a substrate; an organic light emitting diode disposed on the substrate; and an encapsulation layer encapsulating the organic light emitting diode. The encapsulation layer has a structure in which two or more inorganic layers and one or more organic layers are alternately stacked one above another, two adjacent inorganic layers at least partially contact each other, and the organic layers are formed of an encapsulating composition.
Samsung Sdi Co., Ltd.

Organic light emitting diode display and manufacturing the same

An organic light emitting diode display according to an exemplary embodiment includes: a substrate; a pixel formed on the substrate and including a pixel area displaying an image and a peripheral area adjacent to the pixel area; an insulating layer at the pixel area and the peripheral area on the substrate; a first electrode at the pixel area on the insulating layer; an organic emission layer on the first electrode and extending to the peripheral area; a second electrode on the organic emission layer and disposed in the pixel area and the peripheral area; an auxiliary electrode in the peripheral area on the substrate and partially exposed by a first opening formed in the insulating layer; and an auxiliary member disposed on the auxiliary electrode and in contact with an upper surface of the auxiliary electrode exposed by the first opening.. .
Samsung Display Co., Ltd.

Oled touch-control substrate and fabrication method thereof, and display apparatus

An organic light-emitting diode (oled) touch-control substrate is provided. The organic light-emitting diode (oled) touch-control substrate comprises a plurality of oleds, each of the oleds having a first electrode, a second electrode and a light-emitting layer between the first electrode and the second electrode; a plurality of first touch-control electrodes disposed in a same layer with the first electrodes and insulated from the first electrode lines; and a plurality of second touch-control electrodes disposed in a same layer with the second electrodes and insulated from the second electrode lines and the first touch-control electrodes..
Chengdu Boe Optoelectronics Technology Co., Ltd.

Light emitting diode chip

An led chip for use in an led chip array forming a continuous array of leds. The led chip comprises an array of leds on a substrate.
Oculus Vr, Llc

Image sensor including photodiodes having different sizes

Disclosed is an image sensor may include a pixel array having a central region and peripheral regions around the central region, one or more first unit pixels arranged in the peripheral regions. Each of the first unit pixels comprising a pair of left and right photodiodes.
Sk Hynix Inc.

Pixel isolation device and fabrication method

Backside illuminated (bsi) image sensor devices are described as having pixel isolation structures formed on a sacrificial substrate. A photolayer is epitaxially grown over the pixel isolation structures.
Taiwan Semiconductor Manufacturing Company, Ltd.

Metal shield trenches and metal substrate contacts supported within the premetallization dielectric (pmd) layer of an integrated circuit using a middle end of line (meol) process

A semiconductor substrate includes a photodiode region, a charge storage region electrically coupled to the photodiode region and a capacitive deep trench isolation (cdti) structure including a conductive region positioned between the photodiode region and the charge storage region. A contact etch stop layer overlies the semiconductor substrate and a premetallization dielectric layer overlies the contact etch stop layer.
Stmicroelectronics (crolles 2) Sas

Stacked image sensor with interconnects made of doped semiconductor material

An image sensor includes a first semiconductor substrate supporting a photodiode and a source region of a transfer transistor. A first interconnect level on the first semiconductor substrate includes an interconnection dielectric layer on the first semiconductor substrate and interconnect line layers over the interconnection dielectric layer.
Stmicroelectronics (crolles 2) Sas

Stack-type image sensor including meta-filter

A stack-type image sensor may include a photodiode and a meta-filter. The photodiode may include a first photodiode configured to absorb first light of a first wavelength band and a second photodiode disposed on the first photodiode and configured to absorb second light of a second wavelength band.
Samsung Electronics Co., Ltd.

Optical sensor

The present application concerns an optical sensor that includes one or more charge transfer pixels (10) each including a buried photodiode (11) generating a photoelectric charge when illuminated, a conversion element (12) receiving at least a portion of the photoelectric charge and tending to impose, on the photodiode, a potential satisfying a non-linear relationship with the intensity of generation of the photoelectric charge, and a charge transfer element (14) for reading the charge stored by the photodiode (11) such that the residual charge in same is zero after the reading by transfer.. .
New Imaging Technologies

Pixel with spacer layer covering photodiode

A semiconductor device is provided. The semiconductor device includes a semiconductor substrate.
Taiwan Semiconductor Manufacturing Co., Ltd.

Photodiode device and manufacture

A method of manufacturing a photodiode device comprises providing a stacked photodiode device. The stacked photodiode device comprises a substrate having a first conductivity type, a first well having a second conductivity type, within the substrate, and a second well having the first conductivity type, within the first well.
X-fab Semiconductor Foundries Ag

Light emitting diode display

A light emitting diode (led) display includes a substrate, a pixel define layer, at least one first color micro led, and at least one second color micro led. The pixel define layer is disposed on the substrate and has a first opening and a second opening separated from each other.
Au Optronics Corporation

Mask read-only memory device

A mask read-only memory (m-rom) device is provided. In an m-rom device, a first layer having a first type doping is formed in a substrate.
Semiconductor Manufacturing International (shanghai) Corporation

Picking up and placing of micro light emitting diodes using polygon tool

Embodiments relate to placing of semiconductor devices on a target substrate using a pick and place head (pph) having a cross-section of a polygon shape and pick-up surfaces. The pick-up surfaces of the pph are aligned with a carrier substrate mounted with the semiconductor devices, which may be light emitting diodes (leds).
Oculus Vr, Llc

Apparatus and methods for protection against inadvertent programming of fuse cells

Apparatus and methods for protection against inadvertent programming of fuse cells are provided herein. In certain configurations, a fuse system includes a fuse protection diode, a fuse programming transistor, and a fuse cell electrically connected in series between a first pad and a second pad.
Skyworks Solutions, Inc.

Pixel circuits for mitigation of hysteresis

What is disclosed are display systems and methods of compensation of images produced by active matrix light emitting diode device (amoled) and other emissive displays. Anomalies in luminance produced by pixel circuits due to hysteresis effects are corrected through in-pixel compensation and resetting of the driving transistor..
Ignis Innovation Inc.

Organic light-emitting display device

An organic light-emitting display device includes a plurality of pixels, each of which is connected to a scan line, a data line, a first power line and a second power line, and includes a light-emitting diode. A voltage applied to an anode of the light-emitting diode is higher than a voltage applied to a cathode in a first operation period, and a voltage applied to the anode of the light-emitting diode is lower than a voltage applied to the cathode in at least a part of a second operation period different from the first operation period..
Samsung Display Co. Ltd.

Organic light-emitting diode display

An oled display is disclosed. In one aspect, the display includes a scan line transmitting a scan signal, a data line crossing the scan line and transmitting a data voltage, and a driving voltage line crossing the scan line and configured to transmit a driving voltage.
Samsung Display Co., Ltd.

Pixel and organic light emitting display device having the pixel

A pixel includes a plurality of transistors, a storage capacitor, and an organic light emitting diode. A first transistor controls the amount of current from a first driving power source to the organic light emitting diode based on a data voltage.
Samsung Display Co., Ltd.

Display device and driving the same

A display device includes pixels configured to emit light of various intensity in accordance with driving signals, data lines, scan lines, and a power supply unit configured to supply at least one driving voltage to the pixels. At least one of the pixels may comprise a switching transistor having a first electrode connected to one of the data lines and a second electrode connected to a first node, and a gate electrode connected to one of the scan lines, a driving transistor connected between the power supply unit and an organic light emitting diode, a storage capacitor having a first terminal connected to the first node and a second terminal connected to a gate electrode of the driving transistor, and a first transistor connected between the first node and a first electrode of the driving transistor..
Samsung Display Co., Ltd.

Interactive multiplane display system with transparent transmissive layers

A multiplane display system that includes two or more display devices provided at two or more layers. One or more of these display devices is a transparent transmissive display device.
Disney Enterprises, Inc.

Cheering banner

A banner for displaying while cheering at an event venue. The banner comprises a flexible woven fabric panel bearing indicia related to a partisan of an event taking place at the event venue, a reinforced opening and an illumination source.

Methods and single-chip multispectral object detection

An imaging system may include an array of pixel blocks that each have multiple pixels over which a single microlens is formed. A lens system may be formed over the multiple pixels.
Semiconductor Components Industries, Llc

Display device having light receiving application

A display device is provided and includes a light transmissive plate, a substrate, and a plurality of light-emitting units, which are disposed between the substrate and the light transmissive plate. Each of the light emitting units includes of a plurality of light emitting diodes, any one of which can be used as a light-detecting element.
Everlight Electronics Co., Ltd.

Projector with scanning array light engine

A projector assembly includes a light emitting diode (led) array, wherein the led array has an array axis, wherein the led array includes a plurality of leds arranged along the array axis, and wherein the plurality of leds are individually addressable. The projector assembly includes a rotatable actuator supporting the led array, wherein the rotatable actuator has a rotation axis, and wherein the rotation axis and the array axis are parallel.
Magic Leap, Inc.

Object detection device

An object detection device includes a first substrate with a laser diode thereon; a second substrate with a photodiode thereon; a holding member holding the first and second substrates; an optical deflector deflecting light projected from the ld to irradiate a target with the deflected light, and deflects light reflected off the target; and a reflecting mirror guiding the reflected light deflected by the optical deflector to the pd. The ld is mounted on a mounting surface of the first substrate to project light mainly in a direction parallel to the mounting surface.
Omron Automotive Electronics Co., Ltd.

Digital silicon photomultiplier for tof-pet

A radiation detector includes an array of detector pixels each including an array of detector cells. Each detector cell includes a photodiode biased in a breakdown region and digital circuitry coupled with the photodiode and configured to output a first digital value in a quiescent state and a second digital value responsive to photon detection by the photodiode.
Koninklijke Philips N.v.

High power laser diode test system and manufacture

A method of characterizing the performance of laser diode is disclosed wherein at least one laser diode device configured to emit optical radiation is detachably coupled to at least one carrier device, the carrier device configured to be positioned within at least one device test module, at least one unitary clamping force is controllably applied to the laser diode device thereby coupling the carrier device to the device test module, and at least one optical characteristic of the laser diode device is measured during use.. .
Newport Corporation

Encoder and light source of encoder

An encoder includes a light source. A booster circuit boosts a power supply voltage output by a battery, and outputs the boosted voltage.
Mitutoyo Corporation

Lighting applications using organic light emitting diodes

A lighting device that includes a first panel of light sources, where the first panel has a first edge. The lighting device can also include a second panel of light sources, where the second panel has a second edge, where the second edge of the second panel of light sources is mechanically coupled to the first edge of the first panel of light sources.
Cooper Technologies Company

Led lighting units, materials, and optical components for white light illumination

Materials and optical components formed thereof that are suitable for use in lighting units to obtain or approximate white light illumination, including lighting units that utilize one or more light-emitting diodes (leds) as a light source.. .
Ge Lighting Solutions, Llc

Linear solid-state lighting with low voltage control free of electric shock and fire hazard

A linear light-emitting diode (led) lamp comprising a housing, two lamp bases at two ends of the housing, a full-wave rectifier, an led driving circuit, one or more led arrays, at least two proximity sensors, and at least two pairs of electrical contacts controlled by the at least two proximity sensors, is used to replace a fluorescent tube or a conventional led tube lamp. The at least two proximity sensors and the at least two pairs of electrical contacts configured to respectively perform proximity sensing between the two lamp bases and two sockets in an existing lamp fixture are operated by using a low dc voltage.
Aleddra Inc.

Gate driver with temperature compensated turn-off

A vehicle powertrain includes a switch configured to provide a drive current to an electric machine and coupled with a diode array and a gate driver. The gate driver may be configured to, in response to a voltage across the array exceeding a threshold while providing the drive current in a presence of a turn-off request, confine operation of a resistive switch to a linear region to decrease a rate of change of the drive current proportional to the voltage..
Ford Global Technologies, Llc

Laser assisted wound healing protocol and system

The present invention provides for devices and methods of treating wounds, including general wounds, gum disease and gingival tissues post scaling/root planning, using a diode laser which generates a beam of light having a wavelength in the visible portion of the electromagnetic spectrum (400 nm-700 nm). Further disclosed are devices and methods capable of stimulating tissue regeneration at the site of a wound..
Bioregentech

Wireless battery-free diagnostic mouth guard

Various examples of methods, systems, and apparatus are provided for monitoring using an improved mouth guard apparatus. In one example, a battery-free diagnostic mouth guard includes a biting force-voltage transducer comprising a piezoelectric film; a compact resonance tank comprising a wireless sensor; and a transmitting antenna for transmitting sensing data.
University Of Florida Research Foundation, Inc.

Near-infrared lasers for non-invasive monitoring of glucose, ketones, hba1c, and other blood constituents

An imaging device includes laser diodes (lds) generating near-infrared wavelength light, lenses configured to deliver the light to tissue, a first receiver having one or more detectors, and a first part with at least one of the lds capable of being pulsed. The first receiver receives light reflected from the tissue and is synchronized to the pulsed light and configured to perform a time-of-flight measurement.
Omni Medsci, Inc.

Lg Display Co., Ltd.

. .

Light emitting diode driving circuit and light emitting diode lighting device

The led driving circuit includes: a detecting circuit that detects whether an input current of the driving circuit is low or high frequency; a first stage converter that converts the input of the driving circuit to provide a dc power suitable for the led; a first feedback loop that is activated by a low frequency current, to convert a current from a led load to a feedback voltage and feed it back to the first stage converter, wherein in the first feedback loop, the feedback voltage changes as a function of the current of the led load; and a second feedback loop that is activated by high frequency current, to convert the current from the led load to the feedback voltage and feed it back to the first stage converter, wherein in the second feedback loop, the feedback voltage changes as a function of the current of the led load.. .
Ledvance Gmbh

Electronic converter, and related operating an electronic converter

An electronic converter includes two input terminals for receiving an ac voltage, two output terminals for providing a regulated voltage or current, a rectifier circuit and a boost converter. The boost converter receives at input, via positive and negative input terminals, the dc voltage generated via the rectifier circuit, and provides at output, via positive and negative output terminals, the regulated voltage or current.
Osram Gmbh

Light emitting diode

A light emitting diode including a first semiconductor layer and a plurality of mesas including a second semiconductor layer and an active layer interposed between the first semiconductor layer and the second semiconductor layer, the first semiconductor layer including an exposed region between the plurality of mesas, a current blocking layer disposed on a portion of the plurality of mesas and a portion of the exposed region, a transparent electrode layer covering the second semiconductor layer and the current blocking layer, and a second electrode disposed on the current blocking layer and the transparent electrode layer and electrically connected to the second semiconductor layer. The current blocking layer includes a connecting portion extending from a first mesa to a second mesa adjacent to the first mesa and a protruding portion protruding from the connecting portion and disposed on the exposed region..
Seoul Viosys Co., Ltd

System and high dynamic range image sensing

A high dynamic range sensing device is disclosed. The device may comprise an array of bayer-pattern units of color filters, each of the color filters corresponding to a pixel of the sensing device, and each of the color filters overlapping with a plurality of photodiodes..
Cista System Corp.

Power generation device

A power generation device converts vibrational energy into electric power using a vibrational power generation element in which an electret is provided on one substrate of substrates configured to be relatively movable while maintaining a mutually facing state, and supplies the electric power. A vibrational power generation element has the same configuration as the vibrational power generation element and converts vibrational energy into electric power.
Thhink Wireless Technologies Japan Ltd.

Rectifying circuit with thyristors

A rectifying circuit including: between a first terminal of application of an ac voltage and a first rectified voltage delivery terminal, at least one first diode; and between a second terminal of application of the ac voltage and a second rectified voltage delivery terminal, at least one first anode-gate thyristor, the anode of the first thyristor being connected to the second rectified voltage delivery terminal; and at least one first stage for controlling the first thyristor, including: a first transistor coupling the thyristor gate to a terminal of delivery of a potential which is negative with respect to the potential of the second rectified voltage delivery terminal; and a second transistor connecting a control terminal of the first transistor to a terminal for delivering a potential which is positive with respect to the potential of the second rectified voltage delivery terminal, the anode of the first thyristor being connected to the common potential of voltages defined by said positive and negative potentials.. .
Stmicroelectronics (tours) Sas

Esd protection circuit with passive trigger voltage controlled shut-off

Disclosed examples include an esd protection circuit, including a transistor operative according to a control voltage signal at a control node to selectively conduct current from a protected node to a reference node during an esd event, as well as a resistor connected between the control node and the reference node, a capacitor connected between the control node and an internal node, and a diode with an anode connected to the protected node and a cathode connected to the internal node to allow charging current to flow from the protected node to charge the capacitor and to provide a high impedance to the internal node to prevent or mitigate flow of leakage current from the internal node to the protected node to raise a trigger voltage of the protection circuit during normal operation.. .
Texas Instruments Incorporated

A concerning iii-nitride edge emitting laser diode of high confinement factor with lattice matched cladding layer

Edge-emitting laser diodes having high confinement factors and lattice-matched, porous cladding layers are described. The laser diodes may be formed from layers of iii-nitride material.
Yale University

Semiconductor laser diode and producing a semiconductor laser diode

A semiconductor laser diode and a method for manufacturing a semiconductor laser diode are disclosed. In an embodiment, the semiconductor laser diode includes a semiconductor layer sequence having an active zone, wherein the semiconductor layer sequence has a cylindrical shape, wherein a cylinder axis of the semiconductor layer sequence is perpendicular to a layer plane of the semiconductor layer sequence, and wherein the semiconductor laser diode is configured to emit radiation perpendicularly to the cylinder axis of the semiconductor layer sequence..
Osram Opto Semiconductors Gmbh

Dual junction fiber-coupled laser diode and related methods

A laser diode apparatus has a first waveguide layer including a gain region connected in series with a second waveguide layer with a second gain region. A tunnel junction is positioned between the first and second guide layers.
Lasertel Inc.

Organic light emitting diode display device

An oled display device includes a first substrate including a plurality of sub-pixels each including an emission area and a non-emission area; organic light emitting diodes on the first substrate; a second substrate opposed to the first substrate; a black matrix and a color filter layer on one side of the second substrate; a spacer on the black matrix and overlapping or parallel to one of the plurality of the gate lines and the plurality of data lines; and a film layer on the spacer, wherein an air gap is provided between the second substrate and the film layer, and a part of the film layer is exposed by the air gap.. .
Lg Display Co., Ltd.

Lighting apparatus using organic light-emitting diode and fabricating the same

A lighting apparatus using an organic light-emitting diode and a method of fabricating the same according to the present disclosure are characterized in that contact electrodes are formed by laser ablation and printing after an organic emissive material, a conductive film as a cathode, and passivation layers are deposited on the entire surface of a substrate. The lighting apparatus may be fabricated in a simplified manner without using an open mask (metal mask), which is a complicated tool, and may be useful especially in roll-to-roll manufacturing..
Lg Display Co., Ltd.

Organic light emitting display panel and organic light emitting display device including the same

Disclosed are an organic light emitting display panel and an organic light emitting display device including the same, which include a blocking layer for blocking the inflow of scattered light, transferred from an organic light emitting diode, into a driving transistor. The organic light emitting display panel includes a substrate, a driving transistor provided on the substrate, a first insulation layer covering the driving transistor, a second insulation layer covering the first insulation layer, a first electrode provided on the second insulation layer and connected to a first conductor part of the driving transistor, a second electrode provided on the second insulation layer and connected to a second conductor part of the driving transistor, a passivation layer covering the first electrode, the second electrode, and the second insulation layer, and an organic light emitting diode provided on the passivation layer.
Lg Display Co., Ltd.

Organic light-emitting diode and white organic light-emitting diode

An organic light-emitting diode (oled) and a white oled are provided. The oled sequentially includes an anode, an emission layer, an electron transport layer, and a cathode.
Industrial Technology Research Institute

Optoelectronic diodes and electronic devices including same

An optoelectronic diode may include a first electrode, a second electrode, a third electrode, a first active layer between the first and second electrodes, and a second active layer between the second and third electrodes. Two of the electrodes may be electrically connected to each other and may have different resistances.
Samsung Electronics Co., Ltd.

Organic compound, organic light emitting diode and organic light emitting display device

The present invention provides an organic compound of following formula and an organic light emitting diode and an oled device including the organic compound.. .
Korea University Research And Business Foundation

Carbazole derivatives and organic light-emitting diodes by using the same

Wherein r2 to r41 and r80 to r89 are each independently selected from the group consisting of a hydrogen atom, a fluorine atom, a cyano group, an alkyl group, a cycloalkyl group, an alkoxy group, a haloalkyl group, a thioalkyl group, a silyl group and an alkenyl group.. .

Light emitting diode having light blocking layer

A light emitting diode including a light blocking layer is disclosed. The light emitting diode includes: a substrate including an upper surface and side surfaces; a semiconductor stack disposed under the substrate and including a first conductivity type semiconductor layer, a second conductivity type semiconductor layer, and an active layer interposed between the first conductivity type semiconductor layer and the second conductivity type semiconductor layer; and a light blocking layer covering the upper surface and the side surfaces of the substrate to define a light emitting surface on the upper surface of the substrate.
Seoul Viosys Co., Ltd.

Light emitting diode and fabrication method thereof

A light-emitting diode includes a light-emitting epitaxial laminated layer with an upper surface including an ohmic contact region and a non-ohmic contact region; an ohmic contact layer in the ohmic contact region; an expanding electrode over the ohmic contact layer, at least a part of which contacts with the upper surface of the light-emitting epitaxial laminated layer; a transparent insulating layer that covers the expanding electrode, the exposed ohmic contact layer and the upper surface of the light-emitting epitaxial laminated layer, having a current channel connected to the expanding electrode; a welding wire electrode over the transparent insulating layer, which connects to the expanding electrode via a current channel; when current is input, current quickly flows to the ohmic contact region along the current channel under the welding wire electrode, so that no current is input to the active layer under the welding wire electrode for lighting.. .
Xiamen San'an Optoelectronics Co., Ltd.

Light emitting diode and fabrication method thereof

A light emitting diode includes a segmented quantum well formed via selective growth method to avoid re-absorption effect of photons in the led internal quantum well. This improves external extraction efficiency and increases luminance.
Xiamen Sanan Optoelectronics Technology Co., Ltd.

Ultra-wideband light emitting diode and optical detector comprising indium gallium arsenide phosphide and fabricating the same

Devices, systems, and methods for providing wireless personal area networks (pans) and local area networks (lans) using visible and near-visible optical spectrum. Various constructions and material selections are provided herein.
Lumeova, Inc.

Infrared light emitting diode

An infrared light-emitting diode includes, from up to bottom, a p-type ohmic electrode, a contact layer, a p-type cladding layer, an active layer, an n-type cladding layer, a buffer layer, a gaas substrate and an n-type ohmic electrode. The n-type cladding layer and the p-type cladding layer or either of them is inxga1-xas.
Xiamen San'an Optoelectronics Co., Ltd.

Schottky barrier diode

A schottky barrier diode includes a semiconductor layer having a major surface, a diode region of a first conductivity type formed in a surface layer portion of the semiconductor layer, a first conductivity type impurity region formed in the surface layer portion of the semiconductor layer and electrically connected to the diode region, a first electrode layer formed on the major surface of the semiconductor layer and forming a schottky junction with the diode region, a second electrode layer formed on the major surface of the semiconductor layer and forming an ohmic junction with the first conductivity type impurity region, and a contact electrode layer formed on a peripheral region of the major surface of the semiconductor layer surrounding the first electrode layer so as to be electrically connected to the diode region via the semiconductor layer and being electrically connected to the second electrode layer.. .
Rohm Co., Ltd.

Electroluminescent display device integrated with image sensor

Disclosed is an electroluminescent display device integrated with image sensors, including: a display panel having a plurality of pixels; a display panel driving circuit configured to write data of an input image into the pixels during a display mode so as to display the input image with the pixels; and a sensor processing circuit configured to apply a reverse bias to organic light emitting diodes (oleds) disposed in at least some of the pixels during a sensor mode so as to process sensor signals received from the pixels.. .
Lg Display Co., Ltd.

Display device

A display device includes a first flexible substrate; a low reflection layer on the first flexible substrate; a second flexible substrate on the low reflection layer; a thin film transistor and an organic light emitting diode on the second flexible substrate; an upper protective member configured to encapsulate the thin film transistor and the organic light emitting diode; and an electrically conductive interconnection configured to electrically connect the low reflection layer with a surface of the upper protective member.. .
Lg Display Co., Ltd.

Organic light emitting display device comprising multi-type thin film transistor

A pixel of an organic light emitting display device includes a driving thin film transistor (tft) on a substrate, a switching tft on the substrate, and an organic light emitting diode (oled) on the substrate. The driving tft includes a first active layer including poly-si, a first insulation layer on the first active layer, and a first source electrode and a first drain electrode contacting the first active layer.
Lg Display Co., Ltd.

Thin film encapsulation unit, organic light emitting diode display including the same and manufacturing method thereof

A thin film encapsulation unit including an inorganic layer, a first organic layer on the inorganic layer and including a light-blocking unit and a light-transmitting unit, and a reflection-preventing layer on the first organic layer.. .
Samsung Display Co., Ltd.

Lighting apparatus using organic light emitting diode and fabricating the same

Also, the present disclosure can provide an effect of improving reliability by preventing moisture permeation in a manner of covering an exposed contact portion with a protection film such as a barrier tape.. .

Organic light-enitting diode display panel for fingerprint recognition and electronic device

An organic light-emitting diode display panel for fingerprint recognition includes a plurality of pixel areas arranged in arrays, the pixel area includes a pixel unit and a fingerprint recognition unit, which are adjacent to each other, the pixel unit is configured to emit colorful image light, the fingerprint recognition unit comprises a sensing light emitting module and a sensing light receiving module, the sensing light emitting module is configured to emit sensing light to a finger, and the sensing light receiving module is configured to receive the sensing light reflected by the finger and convert a light signal of the sensing light into an electric signal. An electronic device is also provided..
Nanchang O-film Bio-identification Technology Co., Ltd.

Organic light-enitting diode display panel for fingerprint recognition and electronic device

An oled display panel for fingerprint recognition includes a plurality of pixel areas arranged in arrays, the pixel area includes a pixel unit and a fingerprint recognition unit, which are adjacent to each other, the pixel unit is configured to emit light of different colors, the fingerprint recognition unit comprises a sensing light emitting module and a sensing light receiving module, the sensing light emitting module is configured to emit sensing light to a finger, and the sensing light receiving module is configured to receive the sensing light reflected by the finger and convert a light signal of the sensing light into an electric signal. An electronic device having the oled display panel is also provided..
Nanchang O-film Bio-identification Technology Co., Ltd.

Touch sensor integrated with oled and oled display device comprising the same

A touch sensor integrated with oled includes an organic light emitting diode (oled) device, a touch electrode having a mesh type and a self-capacitance type structure. The touch electrode is attached to a surface of the oled device and included at least a double-layered structure that includes a metal layer and a metal oxide..
Dongwoo Fine-chem Co., Ltd.

Storage gate protection

A method of backside illuminated image sensor fabrication includes forming a plurality of photodiodes in a semiconductor material, where the plurality of photodiodes are disposed to receive image light through a backside of the backside illuminated image sensor. The method further includes forming a transfer gate coupled to extract image charge from a photodiode in the plurality of photodiodes, and forming a storage gate coupled to the transfer gate to receive the image charge.
Omnivision Technologies, Inc.

Through-semiconductor and through-dielectric isolation structure

An image sensor includes a semiconductor material including a photodiode disposed in the semiconductor material and an insulating material. A surface of the semiconductor material is disposed between the insulating material and the photodiode.
Omnivision Technologies, Inc.

Photosensitive pixel structure with wrapped resistor

The present invention relates to a photosensitive pixel structure (10). The pixel structure (10) comprises a substrate (15) and at least one photosensitive diode (12, 12′, 12″), a stimulating electrode (14), and a resistor (16).
Pixium Vision Sa

Semiconductor device

A semiconductor device includes a diode provided with: a drift layer being a first conductivity type; a cathode region being provided in a back face side of the drift layer and being the first conductivity type; a second conductivity type region provided in a surface layer part of the drift layer; multiple trenches dividing the second conductivity type region into pieces by being provided deeper than the second conductivity type region, and configuring an anode region; a gate insulation film provided in a surface of the trench; a gate electrode provided in a surface of the gate insulation film; an upper electrode electrically connected with the anode region; and a lower electrode electrically connected with the cathode region. A width between the trenches is narrowest in the drift layer is defined as a mesa width.
Denso Corporation

Semiconductor device

A semiconductor device includes a semiconductor substrate provided with an igbt cell having a collector region and a diode cell having a cathode region, a first defect layer and a second defect layer in a drift region. A region present in the drift region and surrounded by an interface between the igbt cell and the diode cell orthogonal to a first principal plane, and a plane passing through a boundary between the collector region and the cathode region on a boundary line along an interface between the collector region and the drift region and crossing the first principal plane at an angle of 45 degrees is referred to as a boundary region.
Denso Corporation

Inductor with embedded diode

Some examples of the disclosure include a low profile inductor for use on a printed circuit board to minimize the area occupied and enable easier breakout routing and opening up additional area for other components. In one example, an inductor may include a cavity with diode, such as a low profile diode, that does not increase the area occupied by the inductor..
Qualcomm Incorporated

Organic light emitting diode display and compensation driving characteristics thereof

An organic light emitting diode display and a compensation method of driving characteristics thereof are discussed. The organic light emitting diode display includes a first pixel connected to a reference voltage line and a first data line, a second pixel sharing the reference voltage line and connected to a second data line, a data driver configured to output a data voltage to first and second output channels during a display period and acquire a sensing voltage of the first and second pixels through the reference voltage line during a compensation period, a first switch connected between the first output channel and the first data line, and a second switch connected between the second output channel and the second data line.
Lg Display Co., Ltd.

Organic light-emitting display and driving method thereof

An organic light-emitting display includes a driving transistor that drives an organic light-emitting diode, a first transistor connected between a data line supplying a data voltage and a gate electrode of the driving transistor, a second transistor connected between a reference voltage input line and a source electrode of the driving transistor, and a third transistor that directly charges the gate electrode of the driving transistor with a reference voltage supplied from the reference voltage input line, in response to a black data control signal, wherein the third transistor directly receives the reference voltage by being turned on for a certain period of time after the gate electrode of the driving transistor is programmed with the data voltage in one frame before receiving a data voltage in the next frame.. .
Lg Display Co., Ltd.

Organic light emitting diode display device

An organic light emitting diode (oled) display device for simplifying a structure of an internal compensation pixel circuit is disclosed. The oled display device is configured in such a way that an nth pixel circuit shares a transistor for initializing a storage capacitor and a gate electrode of a driving transistor that belong to an (n+1)th pixel circuit to initialize an oled element.
Lg Display Co., Ltd.

Organic light emitting display device and driving the same

An organic light emitting display device includes a display panel and a deterioration compensation unit. The display panel comprises a plurality of unit pixels each comprising at least three sub-pixels corresponding to different colors and an organic light emitting diode.
Lg Display Co., Ltd.

Modular display panel

A modular light emitting diode (led) display sub-assembly includes a frame and a plurality of led display panels. The plurality of led display panels are attached to the frame.
Ultravision Technologies, Llc

Gaming machine top display

A bonus display and gaming machine with a bonus display are disclosed, the bonus display includes a square video display arranged in a diamond pattern to display content such as a bonus wheel. Back illuminated inner and outer rings are mounted to cover at least portions of the video display and are back illuminated by, for example, light emitting diodes.
Bally Gaming, Inc.

Camera assembly, tracking target portion based on the same, and electronic device

A camera assembly, a method for tracking a target portion based on the camera assembly, and an electronic device are provided. The camera assembly includes: a first camera; a first motor for driving the first camera to move; a second camera, comprising a plurality of pixel blocks each being formed of a plurality of photosensitive pixels and configured to obtain a first photodiode pixel by capturing a target portion of an object to be photographed through a first part of the plurality of photosensitive pixels and obtain a second photodiode pixel by capturing the target portion through a second part of the plurality of photosensitive pixels when the target portion is detected; a controller, configured to obtain a global photodiode pixel, calculate a phase difference and control the first motor to drive the first camera to move to an in-focus position according to the phase difference..
Guangdong Oppo Mobile Telecommunications Corp., Ltd.

Organic light-enitting diode display panel for fingerprint recognition and electronic device

An organic light-emitting diode display panel for fingerprint recognition includes a glass substrate, a pixel layer, and a transparent substrate, which are laminated; the pixel layer includes a plurality of pixel units arranged on the glass substrate in arrays, wherein the plurality of pixel units are configured to emit light of multiple colors which are combined to form a colorful image; the transparent substrate includes a first side and a second side, which are disposed opposite to each other, the first side is fitted on the pixel layer, a plurality of light receiving units are arranged on a surface of the second side, and an orthographic projection of each light receiving unit on the transparent substrate is located in a gap between the adjacent pixel units. An electronic device is also provided..
Nanchang O-film Bio-identification Technology Co., Ltd.

Eyewear with a pair of light emitting diode matrices

An eyewear with a pair of light emitting diodes (led) matrices is an apparatus that enhances the aesthetic appeal of the eyewear by illuminating different patterns and letterings with the pair of led matrices. A left lens and a right lens each have an led matrix, which traverse through and protrude out of their respective lens.

Systems, devices, and methods for laser eye tracking in wearable heads-up displays

Systems, devices, and methods that use elements of a scanning laser projector (“slp”) to determine the gaze direction of a user of a wearable heads-up display (“whud”) are described. An infrared laser diode is added to an rgb slp and an infrared photodetector is aligned to detect reflections of the infrared light from the eye.
Thalmic Labs Inc.

Systems, devices, and methods for laser eye tracking in wearable heads-up displays

Systems, devices, and methods that use elements of a scanning laser projector (“slp”) to determine the gaze direction of a user of a wearable heads-up display (“whud”) are described. An infrared laser diode is added to an rgb slp and an infrared photodetector is aligned to detect reflections of the infrared light from the eye.
Thalmic Labs Inc.

Device for desorbing molecules from chamber walls

Embodiments include devices and methods for desorbing molecules from a chamber wall. In an embodiment, a desorption device includes several light emitting diodes (leds) mounted on a substrate having a wafer form factor.
Applied Materials. Inc.

Power source for a rotating light emitting diode driver mount

A power source includes a housing formed of a front face and a plurality of side walls extending from the front face; the front face and the plurality of side walls define a compartment. A first ballast is secured to a first side wall of the plurality of side walls, and a second ballast is secured to a second side wall of the plurality of side walls that is disposed opposite the first side wall.
Chm Industries, Inc.

Light-emitting diode type lighting device

An led lighting device includes a light reflective member. The light reflective member is provided to extend so as to cause light emitted from an led element to have light directivity and to radiate from an led lighting tube to the outside of the tube.
Abram Corporation

Vehicle and dc-dc converter for a vehicle

A vehicle includes a first battery configured to output power at a first voltage, a second battery configured to output power at a second voltage, and a direct current (dc)-dc converter configured to convert the first voltage of the first battery to the second voltage and supply power at the second voltage to the second battery. The dc-dc converter includes a transformer, at least one switch, at least one rectifying diode, and a snubber circuit.
Korea University Research And Business Foundation

Method and system for appetite suppression by laser stimulation of acupuncture points

The invention provides a method and system for suppressing appetite. An illumination device such as a lamp or helmet is placed over the patient's head, the illumination device having a plurality of light sources in a fixed configuration selected to illuminate the patient's head with blue light having a wavelength in the range of 400 nm-495 nm.
Laserstim, Inc.

Compact spectrometer system for non-invasive measurement of absorption and transmission spectra in biological tissue samples

A spectrometer includes an illuminating section; a receiving section configured to detect radiation reflected from an object including an optically inhomogeneous scattering medium; a hardware section configured to obtain a solution of an inverse problem to reconstruct an absorption spectrum of the optically inhomogeneous scattering medium, wherein the illuminating section includes at least one light-emitting diode source, a radiation spectral curve of which is divided, by at least two spectral filters having different spectral transmission curves, into at least two spectral regions, to form an equivalent radiation spectrum from at least two spectral sources, and wherein the hardware section applies the solution of the inverse problem based on information about a spectral content of the radiation of the illuminating section, a signal obtained in a form of a response from the optically inhomogeneous scattering medium, and a spectral sensitivity curve of the receiving section.. .
Samsung Electronics Co., Ltd.

Ac light emitting diode and ac led drive methods and apparatus

An led device for use with an ac voltage power source configured such that at least one led emits light during a positive phase of power provided from an ac power supply and at least one led emits light during the negative phase of power provided from an ac power supply. The led device includes a first power connection lead and a second power connection lead, both leads capable of being connected to and receiving power from an ac power supply..
Walters Gardens, Inc.

Startup circuit and methods of use for audio accessories

An accessory device, configured to be interfaced with a master device, and configured to operate in an analog mode and in a digital mode, the accessory device including: a startup circuit including: a first transistor that interfaces the accessory device to the master device, wherein the first transistor is configured with a first resistive capacitive (rc) circuit to turn on the first transistor according to a time constant of the first rc circuit; a second transistor coupled between ground and the first rc circuit, wherein the second transistor is configured to control a gate of the first transistor in response to a control signal; and a diode having an anode coupled to the first node and a cathode coupled to a body terminal of the first transistor.. .
Qualcomm Incorporated

Electronic device and controlling thereof

An electronic device includes an amplifier, a signal conversion unit configured to include at least one photodiode, in response to an optical signal being received from an external device, convert the received optical signal into an electric signal by using the at least one photodiode and output the electric signal, and a processor configured to control to supply power to the amplifier in response to the electric signal being received from the signal conversion unit, wherein the amplifier, in response to the power being supplied, receives the electric signal from the signal conversion unit, amplifies the received electric signal and outputs the amplified electric signal to the processor.. .
Samsung Electronics Co., Ltd.

Circuits and methods for biasing switch body

Described herein are circuits and methods for improving switch performance when overdriving the gate by adding a delay on a pmos gate voltage such that it can turn on the pmos during switch state transition to allow charge/discharge of the switch body voltage faster and it can turn off once the process is complete. For example, back-to-back diodes can be used to separate the pmos gate and drain.
Skyworks Solutions, Inc.

Positive and negative dc-dc converter for biasing rf circuits

A multi-voltage converter is described that includes multiple programmable bias voltages of positive and negative values that may be used to bias radio-frequency components such as pin diodes and gallium-nitride devices. Programmable voltages as high as 30 volts and as low as −20 volts are generated.
Macom Technology Solutions Holdings, Inc.

Programmable biasing for pin diode drivers

Driving circuitry is described that includes multiple programmable bias voltages useful for biasing radio-frequency components such as pin diodes and gallium-nitride devices. Programmable voltages as high as 30 volts and as low as −20 volts are generated.
Macom Technology Solutions Holdings, Inc.

Integrated biasing for pin diode drivers

Radio-frequency signals may be switched between signal lines or signal ports in rf circuits using pin diodes and pin-diode driving circuitry. To achieve switching, the pin diodes are biased at voltages as high as 20 volts or more.
Macom Technology Solutions Holdings, Inc.

Transimpedance amplifier with variable inductance input reducing peak variation over gain

A transimpedance amplifier (tia) structure includes an input node with a variable inductance component serving to reduce variation in peak amplitude over different gain conditions. According to certain embodiments, an inductor at the tia input has a first node in communication with a field effect transistor (fet) drain, and a second node in communication with the fet source.
Inphi Corporation

Rf power detector circuits

A radio frequency (rf) power detector includes a first circuit having a first rectifying diode with a first terminal coupled to a first power supply voltage node. The first circuit also includes an input terminal coupled to a second terminal of the first rectifying diode, a first transistor having a first collector coupled to the second terminal of the first rectifying diode and a first emitter coupled to a reference voltage node, and a second transistor having a second emitter coupled to the reference voltage node and a second collector coupled to a second power supply voltage node.
Infineon Technologies Ag

Multi-level inverter

Provided is a multi-level inverter, which includes a first bus capacitor, a second bus capacitor, a third bus capacitor, a fourth bus capacitor, a seventh switch unit, an eighth switch unit, an inverter circuit and a filtering circuit. The first bus capacitor, the second bus capacitor, the third bus capacitor and the fourth bus capacitor are connected between a positive direct current bus and a negative direct current bus in series, and a series point between the second bus capacitor and the third bus capacitor is grounded.
Vertiv Tech Co., Ltd.

Isolated single-ended primary inductor converter with voltage clamp circuit

A single-ended primary-inductor converter (sepic) circuit has at least a circuit input node and a circuit common node, and includes an inductor, a first coupling capacitor, an isolation transformer, a controllable switch, a second coupling capacitor, and a clamp diode. The inductor is electrically connected in series between the circuit input node and the first coupling capacitor.
Honeywell International Inc.

Bridgeless flyback converter circuit and operating thereof

A circuit includes a bridgeless flyback converter having a primary side electromagnetically coupled to a secondary side by a transformer, the primary side being devoid of a diode bridge rectifier, an input capacitor coupled to the primary side of the bridgeless flyback converter, an output capacitor coupled to the secondary side of the bridgeless flyback converter, an emi (electromagnetic interference) filter coupled between an ac input and the input capacitor, and a compensation stage coupled in parallel with the output capacitor and including a storage capacitor. The input capacitor has a capacitance such that the compensation stage filters the ac mains frequency ripple of the ac input from the secondary side.
Infineon Technologies Austria Ag

Circuit and operating a laser diode

An embodiment circuit includes a diode having a first terminal coupled to a first reference voltage; a first controllable switch coupled between a second terminal of the diode and a second reference voltage; and a capacitive element having a first terminal coupled to the first reference voltage and a second terminal controllably coupled to the second terminal of the diode.. .
Stmicroelectronics (research & Development) Limited

Laser diode with distributed feedback and producing

Laser diode comprises an active layer; a waveguiding region at least partially surrounding the active layer; a rear facet; a front facet designed for decoupling laser radiation, wherein the active layer extends at least partially along a first axis (x) between the rear facet and the front facet; and a grid operatively connected to the waveguiding region, wherein the grid comprises a plurality of webs and trenches designed such that an average increase of a coupling parameter p for the plurality of trenches along the grid is non-zero, wherein the coupling parameter p of a trench is defined by the formula, wherein dres is a distance of the trench to the active layer, w is a width of the trench and Δn is the refractive index difference between a refractive index of the trench and a refractive index of a material surrounding the trench.. .
Forschungsverbund Berlin E.v.

Reflector and a laser diode assembly using same

A laser diode assembly is disclosed, in which a transmissive reflector is used to redirect the laser beam upwards or to turn or rotate the laser beam. The reflector has at least one brewster transmissive surface and at least one total internal reflection surface.
Lumentum Operations Llc

Organic emitter layer, organic light-emitting diode and use of heavy atoms in an organic emitter layer of an organic light-emitting diode

The invention relates to an organic emitter layer (100) having organic emitter molecules (1), each of which has at least one excited triplet state (se1) and at least one excited singlet state (te1). The emitter layer (100) comprises an organic matrix material (10) with first matrix molecules (2), the first matrix molecules (2) having at least one excited triplet state (ta1) and at least one excited singlet state (sa1).
Osram Oled Gmbh

Organic light-emitting diode comprising different matrix compounds in the first and second electron transport layer

The present invention is directed to matrix compounds and an organic light-emitting diode (oled) comprising an emission layer and an electron transport layer stack of at least two electron transport layers, wherein a first electron transport layer and a second electron transport layer comprises at least one matrix compound, wherein the matrix compound or compounds of the first electron transport layer is/are different to the matrix compound or compounds of the second electron transport layer; and in addition, the first electron transport layer comprises a dopant of a lithium halide and/or lithium organic complex; and the second electron transport layer is free of a dopant; wherein at least one matrix compound of the second electron transport layer having the chemical formula ia, ib and/or ic: (ia) (ib) (ic) wherein ar=substituted or unsubstituted arylene with 6 to 20 ring-forming carbon atoms; or carbazolylene; et=substituted or unsubstituted aryl group with 13 to 40 ring-forming carbon atoms; or a substituted or unsubstituted heteroaryl group with 14 to 40 ring-forming atoms.. .
Novaled Gmbh

Spiro-type compound and organic light emitting diode comprising same

The present specification relates to a spiro structure compound and an organic light emitting device including the same.. .
Lg Chem, Ltd.

Power supply circuit and ac adaptor

An ac adaptor is provided that includes a piezoelectric transformer, a switching circuit that is connected to an input electrode of the piezoelectric transformer and performs conversion of an input voltage by turning on and turning off switching elements. Moreover, a diode bridge and a smoothing capacitor are connected to output electrodes and a parallel circuit is connected between an input electrode and the switching circuit and includes a capacitor and a diode.
Murata Manufacturing Co., Ltd.

Light emitting diode, manufacturing the same, and light emitting device module having the same

A light emitting diode having improved light efficiency and enhanced reflectivity of a device by forming an insulating reflective part on a reflective electrode formed on the upper surface of a mesa. A mesa exposing part is formed on the outer periphery and/or in the interior region of the reflective electrode to expose a predetermined area of the upper surface of the mesa such that reflection at the mesa exposing part is performed by the insulating reflective part..
Seoul Viosys Co., Ltd.

Light emitting diode and manufacturing thereof

The present application discloses a light emitting diode comprising a substrate; and a light emitting layer on the substrate. The light emitting layer comprises, an n-type doped layer; a quantum well active layer; and a p-type doped layer.
Boe (hebei) Mobile Display Technology Co., Ltd.

Light-emitting diode module having light-emitting diode joined through solder paste and light-emitting diode

Described are a light emitting diode and a light emitting diode module. The light emitting diode module includes a printed circuit board and a light emitting diode joined thereto through a solder paste.
Seoul Viosys Co., Ltd.

Optoelectronic arrangement and depth measuring system

An optoelectronic arrangement that produces a light pattern includes a light-emitting diode chip configured to emit electromagnetic radiation on its upper side and forming a first two-dimensional pattern on the upper side of the light-emitting diode chip, and an optically imaging element configured to project electromagnetic radiation emitted by the light-emitting diode chip into an environment of the optoelectronic arrangement.. .
Osram Opto Semiconductors Gmbh

Light emitting diode

An algainp light-emitting diode includes from bottom up a substrate, a dbr reflecting layer, an n-type semiconductor layer, a quantum well light-emitting layer, a p-type semiconductor layer, a transient layer and a p-type current spreading layer. The dbr reflecting layer is multispectral-doping.
Xiamen Sanan Optoelectronics Technology Co., Ltd.

Ultra-wideband light emitting diode and optical detector comprising aluminum indium gallium nitride and fabricating the same

Devices, systems, and methods for providing wireless personal area networks (pans) and local area networks (lans) using visible and near-visible optical spectrum. Various constructions and material selections are provided herein.
Lumeova, Inc.

Stacked semiconductor structure

A stacked semiconductor structure having a number of semiconductor diodes connected to one another in series, wherein each semiconductor diode has a p-n junction, and a tunnel diode is formed between sequential pairs of semiconductor diodes. The semiconductor diodes and the tunnel diodes jointly form a stack with a top and a bottom, and the number of semiconductor diodes is greater than or equal to two.
Azur Space Solar Power Gmbh

Packaged overvoltage protection circuit for triggering thyristors

In a first embodiment, an ultra-fast breakover diode has a turn on time ton that is less than 0.3 microseconds, where the forward breakover voltage is greater than +400 volts and varies less than one percent per ten degrees celsius change. In a second embodiment, a breakover diode has a reverse breakdown voltage that is greater, in absolute magnitude, than the forward breakover voltage, where the forward breakover voltage is greater than +400 volts.
Ixys Corporation

Display apparatus and manufacturing the same

A display apparatus includes a first substrate and a second substrate opposing to the first substrate. The first substrate includes a transmission area in which a shutter unit is disposed and an emission area in which an organic light emitting diode is disposed.
Samsung Display Co., Ltd.

Solid-state imaging device, manufacturing solid-state imaging device, and electronic device

The present technology relates to a solid-state imaging device, a manufacturing method of a solid-state imaging device, and an electronic device, in which degradation of transfer characteristics of a photo diode can be suppressed. A floating diffusion is formed to reach the same depth as a layer of a photo diode formed on a silicon substrate, and a transfer transistor gate is formed therebetween.
Sony Semiconductor Solutions Corporation

Graded-semiconductor image sensor

A method of image sensor fabrication includes growing a semiconductor material having an illuminated surface and a non-illuminated surface, where the semiconductor material includes silicon and germanium and a germanium concentration increases in a direction of the non-illuminated surface. The method further includes forming a plurality of photodiodes, including a doped region and a heavily doped region, in the semiconductor material, where the doped region is of an opposite majority charge carrier type as the heavily doped region.
Omnivision Technologies, Inc.

Light emitting diode (led) devices, components and methods

Devices, components and methods containing one or more light emitter devices, such as light emitting diodes (leds) or led chips, are disclosed. In one aspect, a light emitter device component can include a metallic substrate with a mirrored surface, one or more light emitter devices mounted directly or indirectly on the mirrored surface, and one or more electrical components mounted on the top surface and electrically coupled to the one or more light emitter devices, wherein the one or more electrical components can be spaced from the mirrored metal substrate by one or more non-metallic layers.
Cree, Inc.

Diodes offering asymmetric stability during fluidic assembly

Embodiments are related to systems and methods for fluidic assembly, and more particularly to systems and methods for assuring deposition of elements in relation to a substrate.. .
Sharp Laboratories Of America, Inc.

Display device

A display device includes a plurality of pixels, and a pixel disposed in a n-th pixel line has a light emitting diode, a driving tft to control a current flowing the light emitting diode, a capacitor connecting a source of the driving tft and a gate of the driving tft, a first tft controlled by a first gate signal which is transferred through a first gate line to connect the gate of the driving tft to one of data lines, a second tft controlled by a second gate signal which is transferred through a second gate line to connect the gate of the driving tft to an initialization voltage, and a third tft controlled by the second gate signal transferred to a pixel disposed in a (n−1)-th pixel line to connect the source of the driving tft to a reference voltage, n being a natural number.. .
Lg Display Co., Ltd.

Display device and driving the same

A display device includes a light emitting diode array including a plurality of light emitting diodes, a monitoring circuit configured to generate a monitoring signal corresponding to a forward voltage of a first light emitting diode of the plurality of light emitting diodes, a backlight controller configured to control the amount of current flowing to the light emitting diode array, and a first luminance compensation circuit configured to increase the amount of current flowing to the light emitting diode array in response to the monitoring signal.. .
Samsung Display Co., Ltd.

Display device and compensating for deterioration of the same

A display device is provided in which each subpixel includes a driving tft, an organic light-emitting diode, and at least one switching tft for driving the subpixel. At least one of the driving tft and the switching tft is formed as a double-gate tft having a first gate node and a second gate node, and each subpixel comprises a compensation circuit that senses a threshold voltage of the double-gate tft and applies the same to the first gate node or the second gate node of the double-gate tft..
Lg Display Co., Ltd.

Organic light emitting diode display

An oled display device includes a pixel having a switching transistor turned on by a scan signal received from a scan line and which transmits a data signal received from a data line to a first node, a driving transistor connected between the first node and a second node and through which a driving current corresponding to the data signal flows, a storage capacitor including one end connected to a power supply and another end connected to a gate electrode of the driving transistor, an oled emitting light by the driving current, and a light emission control transistor connected between the second node and an anode of the oled and which is turned on by an light emission control signal and transmits the driving current to the oled. The switching transistor may be an n-type transistor, and the light emission control transistor is a p-type transistor..
Samsung Display Co., Ltd.

Organic light emitting diode display device and driving the same

An organic light emitting diode display device including a display panel including a pixel, a power supply configured to apply a voltage to the pixel, and a current measurement circuit connected to the pixel, wherein the pixel includes a pixel circuit and an organic light emitting diode, the pixel circuit including a plurality of switching elements and one or more capacitors, and wherein the current measurement circuit includes a current integration circuit including an amplifier, the amplifier including a first input terminal, a second input terminal, and an output terminal, the first input terminal being connected to the pixel circuit, a threshold voltage compensation circuit connected to the second input terminal of the amplifier, and an analog-to-digital converter connected to the output terminal of the amplifier.. .
Samsung Display Co., Ltd.

Display panel with concurrent global illumination and next frame buffering

A system includes a display panel having an input to receive pixel data representative of a sequence of display images and an array of display elements. Each display element includes a first buffer stage, a second buffer stage coupled to the first buffer stage, and a light emitting diode (led) coupled to the second buffer stage.
Google Inc.

Intensity scaled dithering pulse width modulation

A circuit for driving at least one light emitting diode (led) of a display based on a greyscale vector. The circuit includes brightness scale detection circuitry to determine a brightness value based on the greyscale vector and refresh cycle selection circuitry to output an indication of a subset of refresh cycles, referred to as dithered refresh cycles.
Planar Systems, Inc.

Optical fingerprint recognition sensor package

An optical fingerprint recognition sensor package, which comprises a carrier, at least one image sensor, at least one light emitting diode, a first molding compound and at least one second molding compound is provided. The image sensor is disposed on the carrier and being electrically connected thereto.
Tron Intelligence Inc.

Optical fingerprint sensor package

An optical fingerprint sensor package includes a carrier, an image sensor, at least one led (light emitting diode), and a molding compound. The carrier is penetrated with a first cavity.
Tron Intelligence Inc.

Optical fingerprint sensor module and package thereof

The present invention provides an optical fingerprint sensor module and its package thereof, which comprises a carrier, at least one light emitting diode, at least one image sensor and a molding compound. When a user's fingerprint is generated for recognition, the light emitting diode provides enough light sources for lighting and helping the image sensor to capture and sense an image of the fingerprint.
Tron Intelligence Inc.

Pressure sensing display device

A pressure sensing architecture for use with liquid crystal (lc), organic light emitting diode (oled), electrophoretic, or other similarly fabricated displays. The described architecture includes a bottom tft structure and a top structure with color filter material, and with liquid crystal, electrophoretic or oled material provided in between.
Cambridge Touch Technologies Ltd.

High resolution and high sensitivity optically activated motion detection device using multiple color light sources

An optical computer mouse senses movement by detecting the variations in intensity of reflected primary colors from a surface over which the mouse is moved. The surface is illuminated by a plurality of colors of light.

Laser array and a laser beam combining device

The present invention provides a laser array and a laser beam combining device. The laser beam combining device comprises: a laser array comprising several laser diode devices each of which has an emitting surface at the emitting side of the laser array, several said emitting surfaces are arranged in a stepped form; a shaping optical system, set at the emitting side of said laser array; a beam combining optical element, set at the emitting side of said shaping optical system, said beam combining optical element comprises several reflecting surfaces corresponding to said laser diode devices, several said reflecting surfaces are arranged in a stepped form.
Ii-vi Suwtech, Inc.

Method and measuring resistance of light emitting diode

Disclosed are a method and device for measuring the resistance of a light-emitting diode that can measure the resistance value of the light-emitting diode accurately in a non-destructive manner. The disclosed method may include: measuring a first radiative current component of an injected current for the light-emitting diode by using the internal quantum efficiency of the light-emitting diode; generating a second radiative current component by modeling the first radiative current component; and computing a resistance value of the light-emitting diode by using the first and second radiative current components resulting from an applied voltage to the light-emitting diode..
Industry-university Cooperation Foundation Hanyang University Erica Campus