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Diode patents

      

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

new patent 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.. .

new patent 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.


new patent 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


new patent 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


new patent 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.


new patent 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.


new patent 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


new patent 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


new patent 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


new patent 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.


new patent

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

new patent

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.

new patent

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.

new patent

Organic light-emitting device

The present specification relates to an organic light emitting diode.. .
Lg Chem, Ltd.

new patent

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.

new patent

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.

new patent

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.

new patent

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

new patent

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.

new patent

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.

new patent

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.

new patent

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

new patent

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.

new patent

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.

new patent

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

new patent

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.

new patent

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.

new patent

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

new patent

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.

new patent

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.

new patent

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

new patent

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.

new patent

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.

new patent

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.

new patent

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

new patent

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

new patent

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.

new patent

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

new patent

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

new patent

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.

new patent

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.

new patent

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

new patent

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

new patent

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.

new patent

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

new patent

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.

new patent

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.

new patent

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.

new patent

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.

new patent

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.

new patent

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.

new patent

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

new patent

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.

new patent

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

new patent

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.

new patent

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.

new patent

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.

new patent

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.

new patent

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.

new patent

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.

new patent

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

new patent

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

new patent

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

new patent

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

new patent

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

new patent

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

new patent

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

new patent

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

new patent

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.

new patent

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

new patent

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.

new patent

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.

new patent

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

new patent

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.

new patent

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.

new patent

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.

new patent

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.

new patent

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

Low flux and low noise detection circuit

The detection circuit comprises a detector connected to an integration node. A bias circuit biases the detector between a first bias state and a second floating state.
SociÉtÉ FranÇaise De DÉtecteurs Infrarouges - Sofradir

Sensing circuit comprising an amplifying circuit and an amplifying circuit

A sensing system with an ac feedback to the non-signal and non-biased terminal of the transducer. An impedance element, such as two anti-parallel diodes, are provided at the amplifier input, and the amplifier gain is negative and has a size sufficient to ensure that the input on the one terminal does not exceed the forward voltage of the diode..
Sonion Nederland B.v.

Led lamp with a flexible heat sink

An led lamp uses a flexible metal belt as a heat sink. At least one light emitting diode is attached to a circuit board that is mounted on a heat conducting member.
Putco, Inc.

Laser car lamp and night vision system using the same

A laser car lamp includes a light guide element, a phosphor element, a first laser diode, a second laser diode, a lens, and a reflector. The light guide element has first and second surfaces opposite to each other.
National Taiwan University Of Science And Technology

Lighting device with integral acoustic dampening

A lighting fixture includes a surround formed to receive a tile therein, the surround having an outward facing side. The surround includes tabs that permit suspension of the surround in a ceiling grid.
Apogee Translite, Inc.

Led lamp compatible with electronic ballast

Disclosed is a led lamp compatible with electronic ballast. The positive and negative electrodes of led array are connected with two pins of lamp via four diodes respectively, by this way, regardless of which pin is connected to the positive electrode, the lamp circuit can form a conductive path to power for the led array, and consumers can install the lamp without distinguishing the positive and negative electrodes, improving the efficiency of led lamp replacement..
Mls Co., Ltd.

Electronic gaming die

An electronic gaming die includes an enclosure, a flexible substrate, a number of light emitting diodes, a sensor, a processor and a battery. The enclosure has n sides where n is equal to or greater than 4.
Board Of Regents, The University Of Texas System

X-ray module assembly for portable x-ray device

Provided is an x-ray module assembly for a portable x-ray device, in which an x-ray tube is made of a carbon nano tube or a filament-type tube, preferably, a carbon nano tube, high-voltage capacitors and high-voltage diodes are arranged space-intensively, fine control of x-ray emission may be achieved by molding the above-configured x-ray module within a case having a reduced size and a reduced weight with thermosetting resin, preferably, epoxy-based resin, more preferably, soft epoxy-based resin, so that radiation exposure to a user may be minimized, power consumption may be greatly reduced, the x-ray module assembly may be downsized and lightened, an insulation effect is excellent, and the x-ray module assembly may be used semi-permanently. The x-ray module for a portable x-ray device includes an x-ray tube, a high-voltage transformer structure, a plurality of high-voltage capacitors, and a plurality of high-voltage diodes, and is fixedly supported by a tube guide..
Elim Electronics Corporation

Short-wave infrared super-continuum lasers for early detection of dental caries

A wearable device includes a measurement device having light emitting diodes (leds) measuring a physiological parameter. The measurement device modulates the leds to generate an optical beam having a near-infrared wavelength between 700-2500 nanometers.
Omni Medsci, Inc.

Fundus imaging system

A fundus imaging system includes: an image sensor array, where the image sensor array includes monochrome photodiodes and global shutter control, an illumination unit with one or more light-emitting diodes that have one or more dies, a computing system including a processor and memory, one or more lenses, one or more reflective mirrors, and a display. In an example method of use, a clinician positions a patient, initiates a focal adjustment, initiates a retinal imaging process, and the same or a different clinician views the image.
Welch Allyn, Inc.

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Circuit pattern forming sheet, circuit pattern manufacturing apparatus, circuit pattern manufacturing method, and circuit pattern manufacturing program

A circuit pattern is quickly created or changed by exposing the circuit pattern on a board without using a photo mask on which the circuit pattern is formed. There is provided a circuit pattern manufacturing apparatus including a forming unit that forms a circuit pattern by irradiating, with a light beam, a circuit pattern forming sheet including an insulating sheet base material layer and a mixture layer made of a mixture containing a conductive material and a photo-curing resin.
Kantatsu Co., Ltd.

Multi-channel lighting fixture having multiple light-emitting diode drivers

A lighting control system for controlling a cumulative light emitted by a lighting fixture having a plurality of led light sources may comprise a plurality of led drivers adapted to be coupled to a respective one of the led light sources and configured to control an intensity of the respective led light source, and a controller configured to transmit a single digital message for controlling the cumulative light emitted by the lighting fixture. Each of the plurality of led drivers is configured to adjust the intensity of the respective led light source to a preset intensity in response to the single digital message transmitted by the controller..
Lutron Electronics Co., Inc.

Vehicle light

A headlamp assembly may include a lamp body with a chip support. A color changing diode and a white diode may each be mounted on the chip support of the lamp body.
Xkglow, Inc.

Devices, systems, and methods for maintaining light intensity in a gateway based lighting system

The disclosure relates to devices, systems, and methods to set, adjust, and/or maintain lumen levels of luminaires in a lighting system, for example. The lights may be a plurality of light emitting diode (led)-based luminaires, which are part of a smart illumination system.
Gooee Limited

Lighting system

A lighting system is provided. The lighting system includes at least one light-emitting diode and a monitoring output, and a fault signal is present at the monitoring output in the event of a defect of the light-emitting diode during operation of the lighting system.
Ledvance Gmbh

Image sensor for improving depth of field of image, and operating same

An image sensor included in a camera system comprises: a plurality of photodiodes for processing optical signals which have passed through a lens included in the camera system; and at least one mask, disposed on the top of at least one photodiode among the plurality of photodiodes, for enabling the optical signals which have passed through an inner region of the lens included in the camera system to enter the at least one photodiode.. .
Center For Integrated Smart Sensors Foundation

Electrical power conditioning device

An electrical power conditioning device for transmitting energy between a source and a load includes an inner conductor that extends within a grounded outer conductor. A low-pass filter extends between the inner and outer conductors and is designed to attenuate high frequency energy transmitted by the inner conductor.

Load driving circuit

A charge pump circuit in a high-side intelligent power switch includes a switching unit between an oscillating unit and a charge-up unit. When the high-side ips serving as a load driving circuit is in a standby state, a mosfet switches on and the switching unit blocks the transmission of signals output from the oscillating unit to the charge-up unit.
Fuji Electric Co., Ltd.

Method for producing a diode laser and diode laser

A method for the production of a diode laser having a laser bar, wherein a metal layer having raised areas is used which is located between the n-side of the laser bar and the cover. The metal layer can be plastically deformed during installation without volume compression in the solid physical state.
Jenoptik Laser Gmbh

Laser device

To provide a laser device for adjusting a laser output by detecting the quantity of a reflected beam propagating within an optical fiber more accurately before an optical part is damaged due to an increase in quantity of the reflected beam. A laser device comprises: at least one first photodetector that detects the quantity of a reflected beam being part of a reflected beam returning to an optical fiber of the laser device after being reflected off of a work and propagating mainly through a cladding of the optical fiber; at least one second photodetector that detects the quantity of a reflected beam being part of the reflected beam returning to the optical fiber and propagating mainly through a core of the optical fiber; a power supply unit that supplies a driving current to a laser diode; and a control unit that controls the power supply unit.
Fanuc Corporation

Dual mode laser target designator/rangefinder with an optical parametric oscillator-optical parametric amplifier (opo-opa) converter

The current disclosure is directed to an apparatus and method of a laser designator/rangefinder (ldr) having two wavelengths of 1064 nm and 1572 nm. The 1064 nm wavelength laser is generated by a pump diode by exciting nd:yag medium (source).
Bae Systems Information And Electronic Systems Integration Inc.

Organic light emitting diode

An organic light emitting diode and a deposition system, the organic light emitting diode including a hole injection electrode; an electron injection electrode; and an electron transport layer between the hole injection electrode and the electron injection electrode, wherein the electron transport layer includes a first subsidiary layer formed of an electron injection material; and a second subsidiary layer formed by co-depositing the electron injection material and an electron transport material.. .
Samsung Display Co., Ltd.

Glass substrates comprising random voids and display devices comprising the same

Disclosed herein are organic light-emitting diodes (oleds) comprising an anode, a hole transporting layer, an emitting layer, an electron transporting layer, a cathode, and at least one glass substrate, wherein the at least one glass substrate comprises a first surface, an opposing second surface, and a plurality of voids disposed therebetween, wherein the void fill fraction of the glass substrate is at least about 0.1% by volume. Display devices comprises such oleds are also disclosed herein.
Corning Incorporated

Packaging material, organic light-emitting diode device and packaging the same

The present disclosure provides a packaging material, an oled device and a method for packaging the oled device. The packaging material for a transparent device includes a primary ingredient including a rare earth metal oxide, zinc oxide, aluminum oxide and silicon dioxide, and an adhesive for adhering the primary ingredient.
Boe Technology Group Co., Ltd.

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

An organic light emitting diode includes a first electrode; a hole auxiliary layer on the first electrode; a light emitting material layer on the hole auxiliary layer and emitting white light; an electron auxiliary layer on the light emitting material layer; and a second electrode on the electron auxiliary layer, wherein the light emitting material layer includes a first light emitting material layer, a second light emitting material layer and a third light emitting material layer sequentially layered, and wherein the first light emitting material layer includes an electron blocking material.. .
Lg Display Co., Ltd.

Quantum dot light-emitting diode and light-emitting display device using the diode

Provided are a quantum dot light-emitting diode including an interface control layer located between a luminous material layer using quantum dots as a luminous material and at least one charge transfer layer for supplying charges to the luminous material layer, and a quantum dot light-emitting display device including the same. Since the interface control layer is provided between the luminous material layer and the at least one charge transfer layer, the occurrence of an interface defect due to an interfacial energy mismatch between the luminous material layer and the at least one charge transfer layer may be prevented to obtain the luminous material layer including quantum dots with uniform morphology.
Lg Display Co., Ltd.

Compound for organic optoelectronic device, organic light emitting diode including the same and display including the organic light emitting diode

A compound for an organic optoelectronic device, an organic light emitting diode including the same, and a display device including the organic light emitting diode are disclosed and the compound for an organic optoelectronic device represented by a combination of the following chemical formulae 1 and 2 provides an organic light emitting diode having life-span characteristics due to excellent electrochemical and thermal stability, and high luminous efficiency at a low driving voltage.. .
Samsung Sdi Co., Ltd.

A shadow mask for organic light emitting diode manufacture

A shadow mask (200) includes a frame (210) made of a metallic material, and one or more mask patterns (205) coupled to the frame (210), the one or more mask patterns (205) comprising a metallic material having a coefficient of thermal expansion less than or equal to about 14 microns/meter/degrees celsius and having a plurality of openings (215) formed therein, the metallic material having a thickness of about 5 microns to about 50 microns and having a pitch tolerance between openings (215) of about +/−3 microns across a length of about 160 millimeters.. .
Applied Materials, Inc.

Method for manufacturing light emitting diode package

A method for manufacturing a light emitting diode package comprises: arranging a first solder and a second solder between a substrate and a light emitting diode; and subjecting the first solder and the second solder to heat treatment to bond the substrate and the light emitting diode. The heat treatment comprises: increasing the temperature of the first and second solders from room temperature to a temperature tp; maintaining the temperature tp; and lowering the temperature tp.
Seoul Viosys Co., Ltd.

Light-emitting diode device

A led device includes a substrate; a plurality of led units on the substrate, wherein each led unit includes: a first semiconductor layer; a second semiconductor layer; a first sidewall; a second sidewall opposite to the first sidewall; and a third sidewall connecting the first and second sidewalls; a first group of conductive connecting structure including n (n is an integer, and n>1) first conductive connecting structures formed on the first sidewall of one of the led units and electrically connecting the led units; and a second group of conductive connecting structure including m (m is an integer, m≥1, and n≠m) second conductive connecting structures formed on the second sidewall of the same one of the led unit and electrically connecting the led units; wherein each of the first and the second conductive connecting structures includes a middle part, a first and a second extending parts; wherein the first and the second extending parts have different length.. .
Epistar Corporation

Light emitting diode

A light emitting diode is presented, including: a first electrode; a second electrode overlapping the first electrode; an emission layer interposed between the first electrode and the second electrode; and a light efficiency improving layer positioned on at least one of the first electrode and the second electrode, wherein at least one of the first electrode and the second electrode may include one surface facing the emission layer and the other surface opposing the one surface and including the other surface on which the light efficiency improving layer is positioned.. .
Samsung Display Co., Ltd.

Invisible-light light emitting diode and fabrication method thereof

An invisible-light light-emitting diode includes an n-type ohmic contact semiconductor layer, an n-type current spreading layer, an n—gaas visible-light absorption layer, an n-type cladding layer, a light-emitting layer, a p-type cladding layer and a p-type ohmic contact semiconductor layer. In the invisible-light light-emitting diode, the absorption layer is gaas, which can effectively remove all visible light when current density is >1 a/mm2, and essentially all visible light when current density is below 3 a/mm2.
Xiamen San'an Optoelectronics Co., Ltd.

Light emitting element including zno transparent electrode

An exemplary light emitting diode is provided to comprise: a first semiconductor layer; a mesa disposed on the first semiconductor layer and including an active layer and a second semiconductor layer disposed on the active layer; a zno transparent electrode disposed on the mesa; a first electrode disposed on the first semiconductor layer; and a second electrode disposed on the zno transparent electrode, and including a second electrode pad and at least one second electrode extending portion extending from the second electrode pad. The second electrode extending portion contacts the zno transparent electrode.
Seoul Viosys Co., Ltd.

Light emitting diode structure

A light emitting diode structure including a substrate, a semiconductor epitaxial structure, a first insulating layer, a first reflective layer, a second reflective layer, a second insulating layer and at least one electrode. The substrate has a tilt surface.
Genesis Photonics Inc.

Light emitting diode having side reflection layer

A light emitting diode including a side reflection layer. The light emitting diode includes: a semiconductor stack and a light exit surface having a roughened surface through which light generated from an active layer is emitted; side surfaces defining the light exit surface; and a side reflection layer covering at least part of the side surfaces.
Seoul Viosys Co., Ltd.

Nitride light emitting diode and growth method

A nitride light emitting diode includes a substrate and a nitride buffer layer, an n-type layer, a quantum well light emitting layer, and a p-type layer over the substrate. The n-type layer is a superlattice structure formed by alternating undoped algan layers and n-type doped gan layers.
Xiamen Sanan Optoelectronics Technology Co., Ltd.

Light emitting diode and fabrication method thereof

A light-emitting diode includes a conductive mask layer planted over a substrate surface. An epitaxial laminated layer is formed over the conductive mask layer via epitaxial growth; and a current channel is formed over the epitaxial laminated layer; during injection, current is firstly conducted to the conductive mask layer through the current channel, and then to the epitaxial laminated layer after horizontal spreading over the conductive mask layer, which effectively improves current spreading uniformity and reduces working voltage of device.
Xiamen Sanan Optoelectronics Technology Co., Ltd.

Light emitting diode and fabrication method thereof

A light-emitting diode includes a first-type nitride region, a light-emitting region and a second-type nitride region, wherein the first-type nitride region includes a plurality of alternating first nitride layers and second nitride layers. The second nitride layers have high-doped emitting points pointing to the corresponding first nitride layer.
Xiamen San'an Optoelectronics Co., Ltd.

Stratified quantum dot phosphor structure

A method is presented for fabricating a light emitting diode (led) device with a stratified quantum dot (qd) structure. The method provides an led and a stratified qd structure is formed as follows.
Elux Inc.

Light emitting diode and fabrication method thereof

A light-emitting diode includes from bottom to up: a substrate, a first-conductive type semiconductor layer, a super lattice, a multi-quantum well layer and a second-conductive type semiconductor layer. At least one layer of granular medium layer is inserted in the super lattice.
Xiamen Sanan Optoelectronics Technology Co., Ltd.

Micro-light emitting diode (led) fabrication by layer transfer

Embodiments relate to fabricating a micro-light emitting diode (led) structure utilizing layer-transferred material. In particular, high quality gallium nitride (gan) is grown upon a donor substrate, utilizing techniques such as hydride vapor phase epitaxy (hvpe).
Qmat, Inc.

Light emitting diode

A light emitting diode and a method for fabricating the same are provided. The light emitting diode includes: a transparent substrate; a semiconductor material layer formed on the top surface of a substrate with an active layer generating light; and a fluorescent layer formed on the back surface of the substrate with controlled varied thicknesses.
Samsung Electronics Co., Ltd.

Counterbore pocket structure for fluidic assembly

A fluidic assembly method is provided that uses a counterbore pocket structure. The method is based upon the use of a substrate with a plurality of counterbore pocket structures formed in the top surface, with each counterbore pocket structure having a through-hole to the substrate bottom surface.
Sharp Laboratories Of America, Inc.

Light-receiving element and optical integrated circuit

A light-receiving element (10) according to the present invention includes a semiconductor layer (100) including a p-type semiconductor region (101), an n-type semiconductor region (102), and a multiplication region(103), and a p-type light absorption layer (104) formed on the multiplication region. The p-type semiconductor region and the n-type semiconductor region are formed to sandwich the multiplication region in a planar direction of the semiconductor layer.
Nippon Telegraph And Telephone Corporation

Optical sensor

An optical sensor includes a sensing layer, a color filter, and a grid structure. The sensing layer includes a photodiode.
Visera Technologies Company Limited

Array of geiger-mode avalanche photodiodes for detecting infrared radiation

An array of geiger-mode avalanche photodiodes is formed in a die and includes: an internal dielectric structure, arranged on the die; and an external dielectric region arranged on the internal dielectric structure. The external dielectric region is formed by an external material that absorbs radiation having a wavelength that falls in a stop-band with low wavelength and transmits radiation having a wavelength that falls in a pass-band with high wavelength, at least part of the pass-band including wavelengths in the infrared.
Stmicroelectronics S.r.l.

Semiconductor device

Germanium (ge) contamination to a semiconductor manufacturing apparatus is suppressed. Germanium is a dissimilar material in a silicon semiconductor process.
Renesas Electronics Corporation

Stacked schottky diode

A stacked schottky-diode having a stack with a top side and a bottom side. The stack has at least three semiconductor layers, and a first connection contact layer materially connected to the bottom side of the stack.
3-5 Power Electronics Gmbh

Iii-v semiconductor diode

A stacked iii-v semiconductor diode having an n+ substrate with a dopant concentration of at least 1019 cm−3 and a layer thickness of 50-400 μm, an n− layer with a dopant concentration of 1012-1016 cm−3 and a layer thickness of 10-300 μm, a p+ layer with a dopant concentration of 5·1018-5·1020 cm−3, including a gaas compound and with a layer thickness greater than 2 μm, wherein the n+ substrate and the n− layer are integrally joined to one another. A doped intermediate layer with a layer thickness of 1-50 μm and a dopant concentration of 1012-1017 cm−3 is arranged between the n− layer and the p+ layer, and the intermediate layer is integrally joined to the n− layer and to the p+ layer..
3-5 Power Electronics Gmbh

Monolithic series switching semiconductor device having low-resistance substrate contact structure and method

A semiconductor device structure includes a region of semiconductor material with a first major surface and an opposing second major surface. A contact structure is disposed in a first portion of the region of semiconductor material and includes a tub structure extending from adjacent a first portion of the first major surface.
Semiconductor Components Industries, Llc

Semiconductor device

A semiconductor device includes: a semiconductor substrate having a first conductivity-type drift region; a transistor portion; and a diode portion, wherein the transistor portion and the diode portion each have: a second conductivity-type base region; a plurality of trench portions penetrating the base region and having conductive portions provided therein; and a mesa portion sandwiched by trench portions, the transistor portion has one or more first conductivity-type accumulation regions that have doping concentrations higher than that of the drift region, the diode portion has one or more first conductivity-type high concentration regions that have doping concentrations higher than that of the drift region, and an integrated concentration of the doping concentrations of the accumulation regions is higher than an integrated concentration of the doping concentrations of the one or more high concentration regions of the mesa portion of the diode portion.. .
Fuji Electric Co., Ltd.

Trench transistors and methods with low-voltage-drop shunt to body diode

Methods and systems for power semiconductor devices integrating multiple trench transistors on a single chip. Multiple power transistors (or active regions) are paralleled, but one transistor has a lower threshold voltage.
Maxpower Semiconductor Inc.

Semiconductor device including sense insulated-gate bipolar transistor

A semiconductor device of the present invention includes a semiconductor layer including a main igbt cell and a sense igbt cell connected in parallel to each other, a first resistance portion having a first resistance value formed using a gate wiring portion of the sense igbt cell and a second resistance portion having a second resistance value higher than the first resistance value, a gate wiring electrically connected through mutually different channels to the first resistance portion and the second resistance portion, a first diode provided between the gate wiring and the first resistance portion, a second diode provided between the gate wiring and the second resistance portion in a manner oriented reversely to the first diode, an emitter electrode disposed on the semiconductor layer, electrically connected to an emitter of the main igbt cell, and a sense emitter electrode disposed on the semiconductor layer, electrically connected to an emitter of the sense igbt cell.. .
Rohm Co., Ltd.

Semiconductor film, solar cell, light-emitting diode, thin film transistor, and electronic device

A semiconductor film includes a cluster of semiconductor quantum dots each having a metal atom and ligands coordinating to respective semiconductor quantum dots, and the semiconductor quantum dots have an average shortest inter-dot distance of less than 0.45 nm. A solar cell, a light-emitting diode, a thin film transistor, and an electronic device include the semiconductor film..
Fujifilm Corporation

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

Display panel and organic light-emitting diode display device using the same

A display panel and an oled display device using the same are disclosed. The display panel includes an active region including data lines, gate lines crossing the data lines, and pixels arranged in a matrix, and a shift register arranged distributively in the active region and configured to supply a gate pulse to the gate lines..
Lg Display Co., Ltd.

Touch system, active matrix organic light emitting diode panel, and display driving method

A touch system includes a glass cover, a polarizer, packaging glass, a thin film transistor (tft) backplane, a transmitter (tx) circuit, and a receiver (rx) circuit, where the glass cover, the polarizer, the packaging glass, and the tft backplane are fitted in sequence from top to bottom, and the tx circuit is located on the tft backplane, and the rx circuit is located on the packaging glass. The tx circuit and the rx circuit are respectively disposed on the tft backplane and the packaging glass.
Technologies Co., Ltd.

Display device using semiconductor light-emitting diodes, and manufacturing method therefor

The present invention relates to a display device and, particularly, to a display device using semiconductor light-emitting diodes. In the display device according to the present invention, at least one of the semiconductor light-emitting diodes comprises: a first conductive electrode and a second conductive electrode; a first conductive semiconductor layer having the first conductive electrode arranged thereon; a second conductive semiconductor layer overlapping with the first conductive semiconductor layer in a vertical direction, and having the second conductive electrode arranged thereon; and an active layer arranged between the first conductive semiconductor layer and the second conductive semiconductor layer, wherein a connecting unit electrically connected to the first conductive electrode is formed on one surface of the first conductive semiconductor layer, and the connecting unit is arranged so as to lean to one side on the basis of the second conductive electrode along the horizontal direction..
Lg Electronics Inc.

Composite photodiode and photosensor using the same

A composite photodiode includes a first photodiode, a second photodiode, and a third photodiode, each of which has an anode and a cathode. The cathode of the first photodiode is connected to a first circuit connection node, the anode of the first photodiode is commonly connected to the anode of the second photodiode and is connected to a second circuit connection node, the cathode of the second photodiode is commonly connected to the cathode of the third photodiode and is connected to a third circuit connection node, and the anode of the third photodiode is connected to a fourth circuit connection node..
Rohm Co., Ltd.

Fingerprint recognition module having light-emitting function and manufacturing method therefor

This application provides a fingerprint recognition module having a light-emitting function and a manufacturing method therefor. The fingerprint recognition module includes a flexible printed circuit (fpc) board, a die, a light-emitting diode component, an adhesive layer, and a cover plate.
Primax Electronics Ltd.

Display apparatus and manufacturing method thereof

A display apparatus and a micro-light emitting diode are disclosed. The display apparatus includes: a first substrate including a light emitting diode part including a plurality of light emitting diodes regularly arranged on the first substrate.
Seoul Semiconductor Co., Ltd.

Device with light emitting diodes

A multi-led device comprises a transparent substrate, a plurality of light emitting diodes, leds, arranged for emitting light of a plurality of colours and disposed on the transparent substrate, an integrated control circuit in connection with the leds and comprising a plurality of photo sensors optically connected to the leds. Each photo sensor is provided with a colour filter.
Melexis Technologies Nv

Iii-v semiconductor diode

A stacked iii-v semiconductor diode having a p+ substrate with a dopant concentration of 5*1018 to 5*1020 cm−3, a layer thickness of 50-500 μm, and formed of a gaas compound, an n−-layer with a dopant concentration of 1014-1016 cm−3, a layer thickness of 10-300 μm, and formed of a gaas compound, an n+ layer with a dopant concentration of at least 1019 cm−3, a layer thickness less than 2 μm and formed of a gaas compound, wherein the n− layer and the n+ layer are materially connected to one another, a doped intermediate layer with a layer thickness of 5-50 μm and a dopant concentration of 1015-1017 cm−3 is placed between the p+ substrate and the n− layer, and the intermediate layer is materially connected to the p+ substrate and to the n− layer.. .
3-5 Power Electronics Gmbh

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

The present invention discloses a three-dimensional vertical read-only memory (3d-otpv) comprising no separate diode layer. It comprises a plurality of vertical address line, a plurality of memory holes through said vertical address line, a plurality of antifuse layers and vertical address lines in said memory holes.
Chengdu Haicun Ip Technology Llc

Display panel and display device

A display panel may comprise a first pixel including a first light emitting diode for emitting light based on a first current received from a first power voltage, a second pixel including a second light emitting diode for emitting light based on a second current received from the first power voltage, and a common transistor forming a first current path through which the first current flows between a first power source for supplying the first power voltage and the first light emitting diode, and forming a second current path through which the second current flows between the first power source and the second light emitting diode, in response to an emission control signal.. .
Samsung Display Co., Ltd.

Organic light emitting diode display

An organic light emitting diode display is provided. The organic light emitting diode display includes a display panel having a plurality of pixels each including a light emitting diode, a data driver supplying a plurality of data signals to the plurality of pixels, a gate driver including a gate unit supplying a plurality of gate signals to the plurality of pixels and an emission unit supplying a plurality of emission signals to the plurality of pixels using a charge pump element to control a length of an emission period of the light emitting diode, and a timing controller supplying image data and a data control signal to the data driver and supplying a gate control signal to the gate driver..
Lg Display Co., Ltd.

Server computing device lighting for maintenance

A light source unit may be disposed at a first posterior side location of a server computing device. The light source unit may be configured to at least provide lighting to a posterior side of the server computing device via one or more light emitting diodes.
International Business Machines Corporation

Reconfigurable touch sensing for touch-display panel

A touch-sensing-enabled display module is provided. In the module, a display panel has an electroluminescent layer, such as an organic light emitting diode (oled) layer, sandwiched between cathode electrodes and anode electrodes.
Solomon Systech (shenzhen) Limited

Medical supply cabinet with lighting features

A medical supply cabinet having improved features for user access, user control, and illumination is provided. The supply cabinet is provided with a selectively controllable illumination source, such as light-emitting diodes, that provide the operator with visual information regarding access to individual compartments of the supply cabinet..
Arxium, Inc.

Thermostat switching circuitry with overcurrent protection

A thermostat may include one or more processors and heating, ventilation, and air conditioning (hvac) wire connectors configured to receive hvac wires from an hvac system, including a call relay wire connector and a power return wire connector. The thermostat may also include an integrated circuit (ic) coupled to the one or more processors.
Google Llc

Switchable mirror lens system for redirecting laser energy during periods of non-printing

A laser imaging system and method for printing includes a digital micromirror device and a switchable mirror element that acts as a clear lens element during the printing by the laser imaging system. A laser diode array provides a laser to the switchable mirror element in a laser path, wherein the switchable mirror element is located in the laser path between the laser diode array and the digital micromirror device to divert energy out of the system and away from the digital micromirror device during periods of non-laser imaging without reducing or powering down the laser system..
Xerox Corporation

Optical device

According to the present invention, there is provided an optical device comprising, a plurality of light sources each operable to provide a light beam; at least one beam combiner which is operable to combine the light beams from the plurality of light sources, to provide a combined light beam; a beam splitter, which is arranged to receive the combined light beam and to split the combined light beam into a primary light beam and a secondary light beam, wherein one or more characteristics of the secondary light beam are indicative of one or more characteristics of the primary light beam, wherein the beam splitter comprises a first surface through which the primary light beam is emitted from the beam splitter and a second surface through which the secondary light beam is emitted from the beam splitter; a mirror component which comprises a mirror, wherein the mirror component is arranged such that the mirror can reflect the primary light beam which is emitted through the first surface of the beam splitter and wherein the mirror can oscillate about at least one oscillation axis to scan the primary light beam; wherein the optical device further comprises a photodiode which is configured to receive the secondary light beam and to detect one or more characteristics of the secondary light beam, wherein the photodiode is configured to be offset from being parallel to at least one of the first surface or second surface of the a beam splitter, to reduce the amount of parasitic light which is directed to the mirror. There is further provided a corresponding method of projecting an image..
Intel Corporation

Laser-diode-based source of monochromatic light

In a light projector including a laser diode module suitable for forming a light bundle of color and dimensions that are determined from parallel light beams from each of the laser diodes in the module, there is provided a light-tight box, an optical system constituted by an off-axis parabolic mirror for receiving the light bundle and for focusing it, after reflecting it in a perpendicular direction onto the inlet of a sole outlet optical fiber of the box.. .
Xyzed

Display apparatus and backlight unit thereof

A display apparatus and a backlight unit thereof. The display apparatus includes: a frame; a plurality of light emitting diodes regularly arranged on the frame; an optical part disposed above the plurality of light emitting diodes and including a display panel and at least one of a phosphor sheet and an optical sheet; and a light guide plate disposed between the frame and the optical part to cover the plurality of light emitting diodes, wherein the light guide plate is formed with light source grooves placed corresponding to locations of the plurality of light emitting diodes, respectively, such that light emitted from each of the light emitting diodes enters the corresponding light source groove to spread light in a lateral direction when the light enters the light guide plate, thereby enabling use of a direct type backlight unit without a separate lens..
Seoul Semiconductor Co., Ltd.

Switchable mirror system for reflecting laser input during printing

A switchable mirror system and method includes a laser imaging module including one or more lasers and one or more dmds (digital micromirror devices), and a switchable mirror component located in a path upstream from the dmd (or dmds) to direct a laser from the dmd when there is pause in a printing operation facilitated by said laser imaging module. A non-mechanical and electronic switchable mirror is thus located in the laser path between an lda (laser diode array) and a dmd to divert energy out of the system and away from the dmd during periods of non-laser imaging without reducing or power down the laser system..
Xerox Corporation

Systems, devices, and methods that integrate eye tracking and scanning laser projection in wearable heads-up displays

Systems, devices, and methods that integrate eye tracking capability into scanning laser projector (“slp”)-based wearable heads-up displays 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 features of the eye.
Thalmic Labs Inc.

Led-based illumination configuration with a spectro-fluorometer system

An illumination apparatus for configuration with spectro-fluorometer system includes at least one light emitting diode (led), a collimator, and a light guide. The at least one led may be configured to emit light including a first beam-width angle.
Promega Corporation

Apparatus and method to self-align led modules in a luminaire and secure with a single fixation point

Systems, apparatus, and methods are disclosed for connecting a light-emitting diode (led) module and a mounting structure such as a luminaire. The configuration enables the led module to self-align while securing the module and luminaire with a single fixation point..
Samsung Electronics Co., Ltd.

Compact light emitting diode chip and light emitting device including the same

A light emitting diode chip includes: a first conductive type semiconductor layer disposed on a substrate; a mesa disposed on the first conductive type semiconductor layer and including an active layer and a second conductive type semiconductor layer; at least one groove disposed on a side surface of the mesa forming a concave region; an extension electrode forming ohmic contact with the first conductive type semiconductor layer in the concave region; an insulation layer covering the extension electrode, the first conductive type semiconductor layer, and the mesa, and including at least one first opening exposing the extension electrode and a second opening; a first pad electrode disposed on the insulation layer and electrically connected to the first conductive type semiconductor layer through the first opening; and a second pad electrode disposed on the insulation layer and electrically connected to the second conductive type semiconductor layer through the second opening.. .
Seoul Viosys Co., Ltd.

Method for on-line imaging of mesophase particles

On-line detection of mesophase particles employs a laser diode light source to illuminate a target area with a pulsed laser linearly or circularly polarized probe beam. Analysis of images determines extent of presence the birefringent mesophase particles, which are precursors to coking in catalytic hydrocracking processes.
Honeywell Limited

Vehicle wheel-based power generation and display systems

A power generation system is provided configured for installation within a wheel of a vehicle. The system includes a stator having a plurality of face-mounted permanent magnets; and a rotor having a plurality of windings configured to rotate, with rotation of the wheel, in proximity to the permanent magnets thereby generating a current.
Foundation Productions, Llc

Methods and systems for neural stimulation via visual stimulation

Systems and methods of the present disclosure are directed to systems and methods for treating cognitive dysfunction in a subject in need thereof. The system can include eyeglasses, a photodiode positioned to detect ambient light, light sources, and an input device.
Cognito Therapeutics, Inc.

Printing complex electronic circuits using a printable solution defined by a patterned hydrophobic layer

A programmable circuit includes an array of printed groups of microscopic transistors or diodes. The devices are pre-formed and printed as an ink and cured.
Nthdegree Technologies Worldwide Inc.

Light-emitting diode driving apparatus and operating method thereof

A led driving apparatus including a power converter, a judging module and a control module is disclosed. The power converter and the judging module are coupled to at least one led respectively.
Dazzo Technology Corporation

Light-emitting diode driver

In a led driver, a diming control circuit receives a pwm signal and a clock signal and outputs a dimming signal and a sampling signal. A turn-on time of sampling signal is shorter than a cycle of clock signal.
Dazzo Technology Corporation

Load control device for a light-emitting diode light source

A method for controlling an amount of power delivered to an electrical load may include controlling an average magnitude of a load current towards a target load current that ranges from a maximum rated current to a minimum rated current in a normal mode, and controlling the average magnitude of the load current below the minimum rated current in a burst mode. The burst mode may include at least one burst mode period that comprises a first time period associated with an active state and a second time period associated with an inactive state.
Lutron Electronics Co., Inc.

Systems and methods for current regulation in light-emitting-diode lighting systems

Systems and methods are provided herein for current regulation. An example system controller includes: a first controller terminal configured to receive an input voltage, the first controller terminal being further configured to allow a first current flowing into the system controller based at least in part on the input voltage in response to one or more switches being closed; a second controller terminal configured to allow the first current to flow out of the system controller through the second controller terminal in response to the one or more switches being closed; a fourth controller terminal coupled to the third controller terminal through a first capacitor, the first capacitor not being any part of the system controller; and an error amplifier configured to generate a compensation signal based at least in part on the current sensing signal, the error amplifier including a second capacitor..
On-bright Electronics (shanghai) Co., Ltd.

Constant-current constant-voltage (cccv) control unit power supply

A power supply including: an ac input power connector; an ac-dc converter circuit coupled to the ac input power connector; a constant-current constant-voltage control unit configured to receive dc power from the ac-dc converter circuit; a light emitting diode (led) lamp unit configured to receive power from the constant-current constant-voltage control unit; and a capacitor coupled in parallel with the led lamp unit.. .
Gardenia Industrial Limited

Light emitting diode lamp with burnable function and light emitting diode lamp string with burnable function

A light emitting diode lamp with a burnable function includes a light emitting diode and a light emitting diode driving apparatus. The light emitting diode driving apparatus receives a burn start signal and a burn address data sent through a first contact.
Semisilicon Technology Corp.

Gate driving circuit and switching power supply device

A gate driving circuit is connected to a main switching element. The gate driving circuit includes a gate resistor.
Fuji Electric Co., Ltd.

Converter and power conversion device including the same

A converter includes a first diode (d1) having its anode and cathode connected to input terminal (t0) and a first output terminal (t1), respectively, a second diode (d2) having its anode and cathode connected to a second output terminal (t2) and an input terminal (t0), respectively, and a bidirectional switch connected between the input terminal (t0) and a third output terminal (t3). The bidirectional switch includes third to sixth diodes (d3 to d6) and a transistor (q1).
Mitsubishi Electric Corporation

Inductive kickback protection by using multiple parallel circuit breakers with downstream tvs diodes

Embodiments of the present invention disclose an apparatus including a power source and a plurality of electronic subsystems connected in parallel to the power source. Each of the plurality of electronic sub systems includes a circuit breaker, a transient-voltage-suppression (tvs) diode, and a load.
International Business Machines Corporation

Inductive kickback protection by using multiple parallel circuit breakers with downstream tvs diodes

Embodiments of the present invention disclose an apparatus including a power source and a plurality of electronic subsystems connected in parallel to the power source. Each of the plurality of electronic sub systems includes a circuit breaker, a transient-voltage-suppression (tvs) diode, and a load.
International Business Machines 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

Method and encapsulation of an organic light emitting diode

A substrate includes a plurality of oled, each having a conductor layer. A coating is formed over the oleds, the coating comprises a first inorganic layer formed over the oled structures and at least partially over each of the contact layers, a buffer layer over the first inorganic layer, a second inorganic layer over the buffer layer, wherein the buffer layer comprises a first inorganic interface layer in contact with the first inorganic layer, a second inorganic interface layer in contact with the second inorganic layer, and an organic layer sandwiched between the first and second inorganic interface layers..
Orbotech Lt Solar, Llc.

Organic electroluminescent materials and devices

Compounds comprising phosphorescent metal complexes comprising cyclometallated imidazo[1,2-f]phenanthridine and diimidazo[1,2-a:1′,2′-c]quinazoline ligands, or isoelectronic or benzannulated analogs thereof, are described. Organic light emitting diode devices comprising these compounds are also described..
Universal Display Corporation

Organic metal complex, and polymer, mixture, composition and organic electronic device containing same and use thereof

An organic metal complex as shown by general formula (i) or (ii), wherein the ring containing ar1 is preferably a n-hetero six-membered aromatic ring, and a polymer, a mixture, a composition and an organic electronic device comprising the complex and a use thereof. The organic electronic device, particularly an organic light emitting diode, and the use thereof in display and illumination technologies.
Guangzhou Chinaray Optoelectronic Materials Ltd.

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

The present invention provides an organic compound for an organic light emitting diode. An example of the organic compound is represented by:.
Lg Display Co., Ltd.

Light-emitting device

This disclosure discloses a light-emitting device. The light-emitting device includes a light-emitting diode, a pad electrically connected to the active layer, a metal bump formed on the pad, and a reflective insulation layer.
Epistar Corporation

Light emitting diode

An led includes a first-type semiconductor layer, a light emitting layer, a second-type semiconductor layer, a first metal layer, a first current conducting layer, a first bonding layer, and a second current conducting layer. The light emitting layer is located between the first-type semiconductor layer and the second-type semiconductor layer.
Genesis Photonics Inc.

Organic light emitting diode display and manufacturing method thereof

An organic light emitting diode (oled) display includes: a substrate; a scan line on the substrate, extending in a first direction, and configured to transmit a scan signal; a data line on the substrate, extending in a second direction crossing the first direction, and configured to transmit a data voltage; a common voltage line in the same layer as the data line and configured to transmit a common voltage; a first electrode on the data line and an assistance member on the common voltage line, the first electrode and the assistance member being separated from each other in the first direction or the second direction; a second electrode on the first electrode and the assistance member; and an organic emission layer between the first electrode and the second electrode. The assistance member is separated from the data line in the first direction..
Samsung Display Co., Ltd.

Multiple subthreshold swing circuit and application to displays and sensors

An apparatus includes a junction field-effect transistor (jfet) and a set of one or more serially-connected diodes. The jfet includes a first layer including silicon of a first conductivity type, a gate, and first and second terminals.
International Business Machines Corporation

Integrated transistor and protection diode and fabrication method

Disclosed examples provide integrated circuits including a source down transistor with a gate, a body region, an n-type source region, an n-type drain region, a p-type body contact region below the n-type source region which extends to a first depth, along with a protection diode which includes an n-type cathode region, and a p-type anode region below the n-type cathode region, where the breakdown voltage of the protection diode is defined by adjusting the relative doping concentrations and/or the vertical locations of the p-type anode region with respect to the n-type cathode region.. .
Texas Instruments Incorporated

Gate driving circuit and display apparatus including the same

A stage of a gate driving circuit includes: a first control transistor diode-connected between a first input end of the stage and a first node, biased by a first input signal, and back-biased by a second input signal; a second control transistor including a control end which receives a third input signal, a first end connected to the first node, and a second end connected to a first voltage, and back-biased by a fourth input signal; a first output transistor including a control end connected to the first node, a first end connected to a clock input end of the stage, and a second end connected to a first output end of the stage; and a capacitor connected between the control and second ends of the first output transistor. The second input signal and the fourth input signal have enable levels during different periods..
Samsung Display Co., Ltd.

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

An organic light emitting (oled) display panel, a driving method thereof, and a display apparatus are provided. The oled display panel comprises a display region including n number of pixel rows and a non-display region including a light-emitting driver circuit and a scanning driver circuit.
Shanghai Tianma Micro-electronics Co., Ltd.

Display panel and display device

The present disclosure discloses a display panel and a display device. The display panel includes a plurality of pixel circuits, and each of the pixel circuit includes an initialization component, a data writing component, a light emitting control component, a voltage storage component, a driving transistor, a first voltage maintenance component, a switching control component, an external compensation component and a light-emitting diode.
Shanghai Tianma Am-oled Co., Ltd.

Active matrix oled display with normally-on thin-film transistors

A pixel circuit includes a first capacitor and diode stage connected to a gate of a first transistor and ground, which receives a select input. A data line is coupled to a first source/drain of the first transistor, and a second source/drain of the first transistor is coupled to a gate of a second transistor.
International Business Machines Corporation

Light-emitting diode display device and operating the same

Provided are a light-emitting diode (led) display device and a method of operating the led display device determining whether a line flicker will occur based on a level of an input image signal, obtaining an led line scan order corresponding to the level of the input image signal and brightness according to the input image signal based on the determining, and driving at least one led line based on the led line scan order. An led line scan order may be adjusted according to a level of an input/output image signal in an led display device so as to reduce occurrence of a line flicker phenomenon in all levels of the input/output image signal..
Samsung Electronics Co., Ltd.

System, directed led display

The present invention is an optical led light display incorporating one or more louvers operable to limit the light emission in a specified direction from a led diode within the led light display, each louvers being positioned in relation to each led light element in the led light display. The specified direction of the light emission may be towards a target audience or a target direction.
Media Resources Inc.

In-cell capacitive touch and fingerprint detector

An apparatus includes multiple pixel circuits for touch and fingerprint detection that may be integrated with a touchscreen. Each pixel circuit includes a jfet with a gate connected to a capacitor plate, where the capacitor plate may be integrated with the gate, and where the capacitor plate is connected via a first diode to a corresponding select line.
International Business Machines Corporation

Reversible current mirror and its use in bidirectional communication

A current mirror arrangement for duplex bidirectional communication between two circuit units may include in each circuit unit two identical transistors with their bases (36, 37) connected together and their bases and their collectors connected to each other respectively. Further, each of the connections between the bases and the collectors may be formed via a mosfet.
Thyssenkrupp Ag

Detection and classification scheme for power over ethernet system

In a method performed by a poe system, a pse provides data and operating voltage over ethernet wires to a pd. Before the full poe voltage is supplied, the pse generates a low current signal received by the pd.
Linear Technology Corporation

Systems, devices, and methods for beam shaping in a wearable heads-up display

Systems, devices, and methods for beam shaping in wearable heads-up displays (whud) with laser projectors are described. A whud includes a support structure carrying a laser projector and an eyeglass lens with a transparent combiner.
Thalmic Labs Inc.

Systems, devices, and methods for beam shaping in a wearable heads-up display

Systems, devices, and methods for beam shaping in wearable heads-up displays (whud) with laser projectors are described. A whud includes a support structure carrying a laser projector and an eyeglass lens with a transparent combiner.
Thalmic Labs Inc.

Systems, devices, and methods for astigmatism compensation in a wearable heads-up display

Systems, devices, and methods for preventing image astigmatism in wearable heads-up displays (whud) with laser projectors are described. A whud includes a support structure carrying a laser projector and an eyeglass lens with a transparent combiner.
Thalmic Labs Inc.

Systems, devices, and methods for astigmatism compensation in a wearable heads-up display

Systems, devices, and methods for preventing image astigmatism in wearable heads-up displays (whud) with laser projectors are described. A whud includes a support structure carrying a laser projector and an eyeglass lens with a transparent combiner.
Thalmic Labs Inc.

Optical device

An optical device includes a transmitting module and a receiving module. The transmitting module includes a first shell, a light source module and a first lens group.
Lite-on Technology Corporation

Signal generation circuit and temperature sensor

To provide a signal generation circuit having a short settling time of an output voltage. In a ptat signal generation circuit, a trimming circuit is coupled between the cathodes of 0-th to k-th diodes and a line of a ground voltage, the anode of the 0-th diode is coupled to a first node, the anodes of the first to the k-th diodes are coupled to a second node via a resistive element, the first node and the second node are set to the same voltage, a first current flowing through the 0-th diode and a second current flowing through the first to the k-th diodes are set to have the same value, and a third current flowing through the trimming circuit is set to have the value 2 times that of each of the first current and the second current..
Renesas Electronics Corporation

Edge fluorescing acrylic light bar display for transportation refrigeration units

An indicator display (20) comprises a fluorescent plastic first member (30) of a first color and having a first face (40) and a fluorescent plastic second member (32) of a second color, different from the first color, and having a first face (42). One or more first light emitting diodes (60) are between the first member and the second member and positioned to illuminate the first member preferentially to the second member.
Carrier Corporation

T-bar for suspended ceiling with heat dissipation system for led lighting

The t-bar includes an elongate rigid spine extending between terminal ends including either a fixed anchor or adjustable anchor for attachment to adjacent t-bars or other supports. An upper heat sink is provided on an upper portion of the spine to enhance heat transfer from the t-bar to air surrounding upper portions of the t-bar.

Rail-type oled lamp assembly

A rail-type organic light emitting diode lamp assembly is provided. The lamp assembly includes a lamp module, an annular member, a connector, a conductive member, and a rail module.
Industrial Technology Research Institute

Led lamp utilizing optical filtering to counteract effects of color anomalous vision

A light emitting diode lamp includes a light source configured to emit light that defines a spectral power distribution curve including a first power peak and a second power peak with a first reduced power area extending therebetween. The first reduced power area defines a first reduced power area minimum in a green color region of the spectral power distribution curve and the spectral power distribution curve compares a power of the light versus a wavelength of the light..
Energy Focus, Inc.

Retrofit led lighting system for replacement of fluorescent lamp

A retrofit light emitting diode (led) lamp is provided for replacement of ballast driven fluorescent lamps. The retrofit led lamp comprises a plurality of light emitting diodes.
Lunera Lighting, Inc.

Metal complexes, comprising carbene ligands having an o-substituted non-cyclometalated aryl group and their use in organic light emitting diodes

Cyclometallated ir complex comprising three n,n diaryl substituted carbene ligands, bearing substituents in the 2 position of the non-cyclometallated aryl ring; an organic electronic device, preferably an organic light-emitting diode (oled), comprising at least one cyclometallated ir complex as described above, a light-emitting layer comprising said cyclometallated ir complex preferably as emitter material, preferably in combination with at least one host material, use of said cyclometallated ir complex in an oled and an apparatus selected from the group consisting of stationary visual display units, mobile visual display units, illumination units, units in items of clothing, units in handbags, units in accessories, units in furniture and units in wallpaper comprising said organic electronic device, preferably said oled, or said light-emitting layer. The present invention further relates to a process for the preparation of said cyclometallated ir complex..
Udc Ireland Limited

Controller for a multi-voltage on-board power supply

What is presented is a control device for a multi-voltage on-board electrical system of a vehicle, wherein the multi-voltage on-board electrical system has a first electrical subsystem, which is configured to be operated with a first supply voltage from a first voltage supply source, and a second electrical subsystem, which is configured to be operated with a second supply voltage from a second voltage supply source. The control device comprises: a transceiver, which is connected to ground via a first ground terminal of the first electrical subsystem and which is configured for communicating with a communication component of the first electrical subsystem; a control unit, which is connected to the same ground via a second ground terminal of the second electrical subsystem and which is configured for controlling a power component of the second electrical subsystem; a transmission path, which couples a signal output of the control unit to a signal input of the transceiver, wherein the transmission path is configured for transmitting a control signal provided by the control unit at the signal output towards the signal input of the transceiver; a diode arranged in the transmission path, the cathode terminal of said diode being coupled to the second ground terminal.
Brose Fahrzeugteile Gmbh & Co. Kommanditgesellschaft, Bamberg

Vehicle headlight

A vehicle headlight with a laser light source (1), having at least on laser diode branch (z) with at least one modulated laser diode (dl), wherein the laser beam (2) of the at least one laser diode can be directed in a scanning manner by means of a light scanner (7) onto a light conversion means (8) in order to generate a luminous image (11) on same, which is projected by means of an imaging system (12) as light image (11′) onto the road (13), as well as with a laser diode controller (3) and a processing unit (4) associated with same, which is supplied with sensor signals (s1 . .
Zkw Group Gmbh

Vehicle

A vehicle includes a system main relay, a first voltage converter, a second voltage converter, a first diode disposed in a third power line and configured to prevent a reverse flow of a current from the first auxiliary machine to the auxiliary machine battery, and a second diode disposed in a second power line and configured to prevent a reverse flow of a current from the first auxiliary machine to the second voltage converter. Therefore, according to the vehicle, even when the auxiliary machine battery is short-circuited, the first diode can prevent a reverse flow of a current and the second voltage converter can continuously supply electric power to the first auxiliary machine..
Toyota Jidosha Kabushiki Kaisha

Light engines for photo-curing of liquid polymers to form three-dimensional objects

Three-dimensional objects are formed by photo-curing a liquid polymer by exposure to a radiation, which radiation (e.g., at 410 nm) is provided by a collimated light source composed of an array of light emitting diode (led) sources, an array of baffles, and an array of lenses. The baffles limit beam widths of each individual led source in the array of led, and the array of lenses is located one focal length from said array of led sources..
Nexa3d Inc.

Powering an in vivo device using energy from a radioactive source

An implantable system is disclosed that includes an encapsulated housing including a radioactive source. The encapsulated housing is internally coated with a light-generating coating that converts the radioactive energy to light, that is then output in vivo to a photodiode positioned proximate to at least part of the encapsulated housing in vivo.
Galvani Bioelectronics Limited

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

Diffractive waveplate lenses and applications

Optical lenses, systems, devices and methods for fabricating and manufacturing diffractive waveplate lenses that allow setting the focal length sign of an optical system by positioning the lens with its front or back surface with respect to an incoming circular polarized light beam. Applications for the lenses include optical systems comprising fibers, diode lasers, waveplates, polarizers, and variable lenses, particularly, in the form of a set of polymer films with re-attachable adhesive layers.
Longwood Gardens, Inc.

Led lighting constant current control in various operation modes

System and method for providing at least an output current to one or more light emitting diodes. The system includes a control component configured to receive at least a demagnetization signal, a sensed signal and a reference signal and to generate a control signal based on at least information associated with the demagnetization signal, the sensed signal and the reference signal, and a logic and driving component configured to receive at least the control signal and output a drive signal to a switch based on at least information associated with the control signal.
On-bright Electronics (shanghai) Co., Ltd.

Load control device for a light-emitting diode light source

A load control device for controlling the amount of power delivered to an electrical load is able to operate in a normal mode and a burst mode. The load control device may comprise a control circuit that activates an inverter circuit during active state periods and deactivates the inverter circuit during inactive state periods.
Lutron Electronics Co., Inc.

Systems and methods for current regulation in light-emitting-diode lighting systems

Systems and methods are provided herein for current regulation. An example system controller includes: a first controller terminal configured to receive an input voltage, the first controller terminal being further configured to allow a first current flowing into the system controller based at least in part on the input voltage in response to one or more switches being closed; a second controller terminal configured to allow the first current to flow out of the system controller through the second controller terminal in response to the one or more switches being closed; a fourth controller terminal coupled to the third controller terminal through a first capacitor, the first capacitor not being any part of the system controller; and an error amplifier configured to generate a compensation signal based at least in part on the current sensing signal, the error amplifier including a second capacitor..
On-bright Electronics (shanghai) Co., Ltd.

Method of controlling semiconductor optical device that includes semiconductor optical amplifier

A method of controlling a semiconductor element that includes a semiconductor laser diode (ld), a semiconductor modulator, and a semiconductor optical amplifier (soa) is disclosed. The ld generates cw light supplied with the first bias current.
Sumitomo Electric Device Innovations, Inc.

Optical transmitter apparatus

A multi-lane optical apparatus is disclosed. The optical apparatus includes monitor photodiodes (mpd) whose number corresponds to a number of lanes.
Sumitomo Electric Device Innovations, Inc.

Light communications receiver and decoder with time to digital converters

The present disclosure includes a method that includes generating a decoded output signal that corresponds to reflected light received by a plurality of single photon avalanche diodes (spad) by removing ambient light from a plurality of spad array output signals. The removing of ambient light including synchronizing the plurality of spad array output signals by using a plurality of parallel time to digital converters, each time to digital converter outputting a synchronized spad array output signal, determining a plurality of flexible thresholds for each one of the synchronized spad array output signals, comparing current data on the synchronized spad array output signals with the respective ones of the flexible threshold in a filter, and outputting the first output signal..
Stmicroelectronics (research & Development) Limited

Linearized negative impedance converter matching circuits and impedance adjustment circuit for a negative impedance converter

There is disclosed a negative impedance converter for a matching circuit for matching an impedance of an antenna to an impedance of an rf source or load. The negative impedance converter comprises first and second transistors connected in a cross-over configuration.
Smart Antenna Technologies Ltd.

Inverter switching devices with common source inductance layout to avoid shoot-through

A phase leg in an inverter bridge has an upper transistor with upper gate, collector, and emitter terminals, wherein the upper gate and emitter terminals are arranged to create an upper common source inductance. A lower transistor has lower gate, collector, and emitter terminals, wherein the lower gate and emitter terminals are arranged to create a lower common source inductance.
Ford Global Technologies, Llc

Hybrid rectifier

A hybrid rectifier is provided comprising a top diode for conducting current during a positive current portion of a line current, a top transistor connected in parallel to the top diode, a bottom diode for conducting current during a negative current portion of the line current, and a bottom transistor connected in parallel to the bottom diode. A hybrid-rectifier controller is connected to the top transistor and the bottom transistor for implementing a transistor control strategy such that, during the positive current portion of the line current, the top diode conducts current and the bottom transistor conducts current only when the line current is below a sinusoidal reference current.
Imalog Inc.

Filter circuit for eliminating inrush current, dc coil control circuit, and electromagnetic contactor

The present invention relates to a filter circuit for eliminating capacitive inrush current occurring in electromagnetic coil control circuits controlling the actuator coil of electromagnetic contactors or relays. The filter circuit comprises input terminals to be connected with a direct current voltage, a first output terminal to be connected with a first terminal of the inductive load and a second output terminal to be connected to a second terminal of the inductive load, a first diode, wherein the cathode of the first diode is connected to said first output terminal and to said first input terminal, a second diode, wherein the anode of the second diode is connected to said second output terminal, and a filter capacitor which is connected between said second input terminal and to a node which interconnects the anode of said first diode and the cathode of said second diode..
Rockwell Automation Switzerland Gmbh

Power supply device

A power supply device may include a first power line configured to connect a power source to a load via a relay, at least one diode disposed on the first power line between the relay and the load, a second power line disposed in parallel with the first power line and configured to connect the power source to the load via a switching element, and a controller configured to control on and off of the switching element. A voltage drop that occurs across the switching element when the switching element is turned on is smaller than a voltage drop that occurs across the at least one diode when the relay is turned on.
Toyota Jidosha Kabushiki Kaisha

Charging systems for contact chargers and related methods

Systems and methods relate to a charger and a rechargeable device. The rechargeable device includes a power manager and a power storage device.
Starkey Laboratories, Inc.

Semiconductor laser diode having multi-quantum well structure

A semiconductor laser diode (ld) having an optical grating is disclosed. The ld includes a lower cladding layer that buries the optical grating, an active layer, and an upper cladding layer.
Sumitomo Electric Device Innovations, Inc.

Method, system and higher order mode suppression

A laser diode vertical epitaxial structure, comprising a transverse waveguide comprising an active layer between an n-type semiconductor layer and a p-type semiconductor layer wherein the transverse waveguide is bounded by a lower index n-cladding layer on an n-side of the transverse waveguide and a lower index p-cladding layer on a p-side of the transverse waveguide, a lateral waveguide that is orthogonal to the transverse waveguide, wherein the lateral waveguide is bounded in a longitudinal direction at a first end by a facet coated with a high reflector (hr) coating and at a second end by a facet coated with a partial reflector (pr) coating and a higher order mode suppression layer (homsl) disposed adjacent to at least one lateral side of the lateral waveguide and that extends in a longitudinal direction.. .
Nlight, Inc.

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

Disclosed is an organic light emitting diode package which includes a substrate, a cover plate disposed opposite to the substrate, and an organic light emitting diode disposed between the substrate and the cover plate and surrounded by hydrophobic members. The organic light emitting diode package is able to effectively prevent an organic light emitting diode from aging..
Shenzhen China Star Optoelectronics Technology Co., Ltd.

Light emitting diode and light emitting diode display including the same

A light emitting diode and a light emitting diode display, the light emitting diode including a first electrode; a second electrode overlapping the first electrode; an emission layer between the first electrode and the second electrode; and an electron injection layer between the second electrode and the emission layer, wherein the electron injection layer includes a lanthanide element, an alkali meta first element, and a halogen second element, and wherein the first element and the second element are included in the electron injection layer in an amount of 1 vol % to 20 vol %, based on a total volume of a material including the lanthanide element, the first element, and the second element.. .
Samsung Display Co., Ltd.

Quantum dot light emitting diode and quantum dot display device including the same

A quantum dot (qd) light emitting diode comprising first and second electrodes facing each other; a qd emitting material layer between the first and second electrodes; and a semiconducting member acting as a hole transporting path in the qd emitting material layer is provided.. .
Lg Display Co., Ltd.

Quantum dot-based lighting system for an aircraft

An aircraft lighting system includes quantum dot light-emitting diodes (“qleds”), including a first qled of a first color and a second qled of a second color. The system also includes logic circuitry configured to control the qleds to emit light in a first brightness ratio to create a light of a first metamer of a color and control the qleds to emit light in a second brightness ratio to create a light of a second metamer of the color..
B/e Aerospace, Inc.

Bipolar materials and organic light emitting diodes

A carbazole-n-benzimidazole bipolar material and organic light emitting diodes using the same is provided. The organic light emitting diodes include a substrate, a first conducting layer, a hole transporting layer, a light emitting layer, an electron transporting layer, and a second conducting layer.
Yuan Ze University

N and p active materials for organic photoelectric conversion layers in organic photodiodes

The field of the disclosure lies in active materials for organic image sensors. The present disclosure relates to transparent n materials and/or to transparent p materials and their use in absorption layer(s), photoelectric conversion layer(s) and/or an organic image sensor and methods for their synthesis.
Sony Corporation

Organic electroluminescent diode and manufacturing hole transporting layer thereof

Provided is a multilayer-structured organic electroluminescent diode, and a method of manufacturing a hole transporting layer thereof. The hole transporting layer included in the organic electroluminescent diode is a thin film formed through electrochemical polymerization.
Shenzhen China Star Optoelectronics Technology Co. , Ltd.

Light emitting diode package having series connected leds

Light emitting diode packages as disclosed herein include a monolithic chip including at least a first and a second light emitting diode (led) that are electrically coupled in series, wherein the first and the second leds each include at least one electrical terminal configured to be electrically coupled to a power source. The monolithic chip is mounted onto a connection substrate having first and second landing pads formed from metallic material and electrically isolated from each other.
Bridgelux, Inc.

Transparent light emitting diode film

A transparent light emitting diode film is disclosed. The transparent light emitting diode film includes a base, an electrode layer positioned on the base and having at least one pattern, a pad formed on at least a portion of the electrode layer, a light emitting diode positioned on the pad, and an adhesive layer formed on at least another portion of the electrode layer.
Lg Electronics Inc.

Light source

Proposed is a light source comprising: a plurality of led light sources, each of the plurality of led light sources having: a semiconductor diode structure adapted to generate light; and a light output section above the semiconductor diode structure adapted to output light from the semiconductor diode structure, the area of the light output section being less than the area of the semiconductor diode structure; and an optically transmissive structure overlapping the light output sections of the plurality of led light sources so as to receive light from the light output sections of the plurality of led light sources and having a light exit section adapted to output the received light. The area of the light exit section of the optically transmissive structure is less than the footprint area of the plurality of led light sources..
Koninklijke Philips N.v.

Quantum dot (qd) polymer composites for on-chip light emitting diode (led) applications

Quantum dot polymer composites for on-chip light emitting diode applications are described. In an example, a composite for on-chip light emitting diode application includes a polymer matrix, a plurality of quantum dots dispersed in the polymer matrix, and a base dispersed in the polymer matrix..
Pacific Light Technologies Corp.

Flip-chip light emitting diode chip and fabrication method

A flip-chip light-emitting diode chip with a patterned transparent bonding layer includes: an epitaxial laminated layer, having an upper surface and a lower surface opposite to each other, which further includes an n-type semiconductor layer, an active layer and a p-type semiconductor layer. Part of the n-type semiconductor layer and the active layer are etched to expose part of the p-type semiconductor layer.
Xiamen Sanan Optoelectronics Technology Co., Ltd.

Light emitting diode and fabrication method thereof

A light-emitting diode chip includes a first semiconductor layer, a second semiconductor layer and an active layer between them; an dielectric layer having a conductive through-hole array over the lower surface of the light-emitting epitaxial laminated layer; a metal conductive layer over the lower surface of the dielectric layer, which fills up the conductive through-hole, and forms ohmic contact with the light-emitting epitaxial laminated layer; a conductive substrate over the lower surface of the metal conductive layer for supporting the light-emitting epitaxial laminated layer; a first electrode comprising a bonding pad electrode and a finger-shape electrode over the upper surface of the light-emitting epitaxial laminated layer, wherein, a rotation angle is formed between the conductive through-hole array and the finger-shape electrode, which is selected to prevent a preferred number of conductive through-holes from being shielded by the bonding pad electrode and the finger-shape electrode.. .
Xiamen Sanan Optoelectronics Technology Co., Ltd.

Methods for growing light emitting devices under ultra-violet illumination

Described herein are methods for growing light emitting devices under ultra-violet (uv) illumination. A method includes growing a iii-nitride n-type layer over a iii-nitride p-type layer under uv illumination.
Lumileds Llc

Light emitting diode and fabrication method thereof

A light-emitting diode (led) epitaxial structure includes, from bottom to up, a substrate, a first conductive type semiconductor layer, a super lattice, a multi-quantum well layer with v pits, a hole injection layer and a second conductive type semiconductor layer. The hole injection layer appears in the shape of dual hexagonal pyramid, which fills up the v pits and embeds in the second conductive type semiconductor layer.
Xiamen Sanan Optoelectronics Technology Co., Ltd.

Light-emitting diode and fabricating the same

Provided are a light-emitting diode and a method of fabricating the same. The light-emitting diode includes a first electrode; a p-type zinc oxide layer which is formed on the first electrode and comprises nano-discs doped with an impurity or nano-rods of zinc oxide doped with an impurity; an n-type zinc oxide layer, which is formed on the p-type zinc oxide layer, comprises nano-rods, and the nano-rods of the n-type zinc oxide layer constitutes homojunction having an epitaxial interface with the p-type zinc oxide layer; and a second electrode, which is formed on the n-type zinc oxide layer..
University-industry Foundation (uif), Yonsei University

Light emitting diode chip and fabrication method

A light-emitting diode chip includes an electrical connection layer is arranged over the light-emitting surface of the light-emitting epitaxial laminated layer, which is not connected with isolation of the dielectric layer. After cmp treatment, the flat surface is plated with a transparent current spreading layer, which reduces horizontal conduction resistance of the transparent current spreading layer and replaces the metal spreading finger for horizontal conduction..
Xiamen Sanan Optoelectronics Technology Co., Ltd.

Ultra-wideband light emitting diode and optical detector comprising aluminum gallium antimonide 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.

High voltage semiconductor devices and methods of making the devices

A multi-cell mosfet device including a mosfet cell with an integrated schottky diode is provided. The mosfet includes n-type source regions formed in p-type well regions which are formed in an n-type drift layer.
Monolith Semiconductor Inc.

Semiconductor device and transistor cell having a diode region

According to an embodiment of a semiconductor device, the device includes a semiconductor body with a drift region and neighboring device cells integrated in the semiconductor body. Each device cell includes: a body region arranged between a source region and the drift region; a diode region and a pn junction between the diode region and the drift region; a trench with first and second opposing sidewalls and a bottom, the body region adjoining the first sidewall, the diode region adjoining the second sidewall, and the pn junction adjoining the bottom; and a gate electrode arranged in the trench and dielectrically insulated from the semiconductor body by a gate dielectric.
Infineon Technologies Ag

Organic light emitting display device

The present disclosure discloses an organic light emitting display device having a substrate including an active area configured to display an image and an inactive area configured to surround the active area; a power supply line in the inactive area; a first planarization layer on a layer where the power supply line is disposed on; a first metal layer on the first planarization layer and in contact with the power supply line; a second planarization layer configured to planarize an upper portion of the first metal layer; and a second metal layer, on the second planarization layer, and in contact with the first metal layer and a cathode of an organic light emitting diode.. .
Lg Display Co., Ltd.

Organic light emitting diode display device and manufacturing the same

An organic light emitting diode (oled) display device and a method of manufacturing the same. The device includes a substrate, a thin film transistor (tft) on the substrate and including an active layer, a gate electrode, a source electrode, and a drain electrode, a first pixel electrode coupled to one of the source and drain electrodes, a rough portion on the first pixel electrode, a second pixel electrode on the rough portion and having a rough pattern, an intermediate layer on the second pixel electrode including an organic emission layer (eml), and an opposing electrode on the intermediate layer..
Samsung Display Co., Ltd.

Organic light emitting display device

An organic light emitting display device includes a substrate; first and second organic light emitting diodes laterally shifted with respect to each other on the substrate; an encapsulation layer covering the first and second organic light emitting diodes, the encapsulation layer including a plurality of layers; and a first color filter and a second color filter each within the plurality of layers, the first color filter and the second color filter being respectively disposed over respective ones of the first and second organic light emitting diodes at respectively different heights from the substrate.. .
Lg Display Co., Ltd.

Light-emitting diode chip

A light-emitting diode (led) chip includes a substrate, a light-emitting component, an electrical static discharge (esd) protection component, and a conductive layer. The light-emitting component is disposed on the substrate and includes a first semiconductor layer, a first quantum well layer, and a second semiconductor layer, in which the first quantum well layer is disposed between the first and second semiconductor layers.
Lextar Electronics Corporation

Low noise ingaas photodiode array

A photodiode pixel structure for imaging short wave infrared (swir) and visible light built in a planar structure and may be used for one dimensional and two dimensional photodiode arrays. The photodiode arrays may be hybridized to a read out integrated circuit (roic), for example, a silicon complementary metal-oxide-semiconductor (cmos) circuit.
Princeton Infrared Technologies, Inc.

Semiconductor device, solid-state imaging device and electronic apparatus

A semiconductor device including a first semiconductor section including a first wiring layer at one side thereof, the first semiconductor section further including a photodiode, a second semiconductor section including a second wiring layer at one side thereof, the first and second semiconductor sections being secured together, a third semiconductor section including a third wiring layer at one side thereof, the second and the third semiconductor sections being secured together such the first semiconductor section, second semiconductor section, and the third semiconductor section are stacked together, and a first conductive material electrically connecting at least two of (i) the first wiring layer, (ii) the second wiring layer, and (iii) the third wiring layer such that the electrically connected wiring layers are in electrical communication.. .
Sony Corporation

Systems and methods for imaging using single photon avalanche diodes

Single-photon avalanche diode includes a central junction having a central p+ area and a deep-n well in contact with the central p+ area, a p-type guard ring disposed between the central junction and the deep-n well, and a shallow trench isolation separated from the central p+ area. Imaging apparatus includes a plurality of pixels, each pixel comprising a complementary metal-oxide-semiconductor-implemented single photon avalanche device and one or more signal converters electrically coupled thereto and configured to detect changes in output therefrom..
The Trustees Of Columbia University In The City Of New York

Imaging panel and x-ray imaging device including same

A shift of a threshold voltage of a thin film transistor upon x-ray irradiation is suppressed. An imaging panel having a plurality of pixels, for picking up scintillation light obtained by converting x-ray projected from an x-ray source, with use of a scintillator, includes photodiodes 15, tfts 14, and an organic film 43.
Sharp Kabushiki Kaisha

Light emitting diode display device

Disclosed is a light emitting diode display device in which a time taken in a process of connecting a light emitting device to a pixel circuit is shortened. The light emitting diode display device includes a thin film transistor (tft) array substrate including a concave portion and a light emitting device disposed in the concave portion.
Lg Electronics Inc.

Light emitting diode display device

Disclosed is a light emitting diode display device in which a process time taken in a process of connecting a light emitting device to a pixel circuit is shortened. The light emitting diode display device includes a pixel including a driving thin film transistor (tft) on a substrate, a first planarization layer covering the pixel, a concave portion in the first planarization layer, a light emitting device in the concave portion and including a first electrode and a second electrode, a second planarization layer covering the first planarization layer and the light emitting device, a pixel electrode electrically connected to the driving tft and the first electrode of the light emitting device, and a common electrode electrically connected to the second electrode of the light emitting device.
Lg Display Co., Ltd.

Light emitting device and manufacturing method thereof

A light emitting diode includes a semiconductor structure, a first electrode, a second electrode, and an extending electrode. The semiconductor structure has at least one sidewall and includes a light emitting layer, a first semiconductor layer, and a second semiconductor layer.
Au Optronics Corporation

Display devices and methods for forming the same

A display device is provided. The display device includes a supporting film and a flexible substrate disposed on the supporting film.
Innolux Corporation

Nitride underlayer and fabrication method thereof

A nitride underlayer structure includes a sputtered aln buffer layer with open band-shaped holes, thus providing a stress release path before the nitride film is grown over the buffer layer. A light-emitting diode with such nitride underlayer structure has improved lattice quality of the nitride underlayer structure and the problem of surface cracks is resolved.
Xiamen Sanan Optoelectronics Technology Co., Ltd.

Gate driver and display device using the same

A gate driver and a display device using the same are disclosed. The gate driver includes a plurality of stages connected in a cascade connection manner, and each of the stages include a clock input configured to receive a shift clock signal, a first output terminal, and a second output terminal.
Lg Display Co., Ltd.

Organic light emitting diode display device and driving the same

An organic light emitting diode display device and a method for driving the same are provided. The organic light emitting diode display device includes an organic light emitting diode disposed on each of a plurality of pixels, and a pixel driving circuit configured to drive the organic light emitting diode..
Lg Display Co., Ltd.

Method for driving amoled

An method of driving an amoled is provided, including: dividing grayscale values of each pixel of each frame into n portions, so as to obtain n pwm driving signals of an organic light emitting diode; dividing the driving time of each frame of the organic light emitting diode into n sub-driving times, wherein one of the sub-driving times of each frame corresponds to one of the pwm driving signals; and transmitting all of the pwm driving signals of each frame to the organic light emitting diode at the corresponding sub-driving time, so as to drive and display an image.. .
Shenzhen China Star Optoelectronics Technology Co., Ltd.

Led matrix lighting device

One embodiment of a light emitting diode (led) lighting device comprises multiple led light sources disposed on multiple elongated circuit boards, with each led light source being electrically connected to one of the circuit boards. The elongated circuit boards are electrically coupled using electrical passageways to provide power to the circuit boards at intervals along the length of the elongated circuit boards, and the light sources disposed on the circuit boards emit light in the same direction perpendicular to the elongated circuit boards.
Bitro Group, Inc.,

Electronic device with wrapped display

An electronic device may have a hollow display cover structure. The hollow display cover structure may be formed from a structure having an inner surface.
Apple Inc.

Display device

A display device is provided that includes a display panel, a light guide plate on a rear side of the display panel, a reflector on a rear surface of the light guide plate, a cover bottom on a rear surface of the reflector, wherein the cover bottom is made of a glass material, and a light-emitting diode (led) housing including an led on one end thereof to supply light to an end of the light guide plate, another end of the led housing being coupled to a rear surface of an end of the cover bottom. According to example embodiments, it may be possible to reduce the thickness of the display device and the size of a bezel of the display device, and to prevent the display device from being warped or broken due to thermal expansion..
Lg Display Co., Ltd.

Side edge planar lighting unit

A side edge planar lighting unit includes a light emitting diode, a light guide plate, and a transparent flexible resin between the light emitting diode and the light guide plate. The light emitting diode and the light guide plate are brought into close contact by the transparent flexible resin.
Citizen Watch Co., Ltd.

Thick backlight for rgb led of a liquid crystal display used in a virtual reality head mounted display

A liquid crystal display (lcd) device including a backlight with vertically stacked light emitting diodes (leds). The lcd device includes an lcd panel and a backlight for illuminating the lcd panel.
Oculus Vr, Llc

Radiometric measuring device

A radiometric measuring device includes a scintillator, at least one semiconductor photodiode, wherein the at least one semiconductor photodiode is optically coupled to the scintillator, a signal evaluation unit which is electrically coupled to the at least one semiconductor photodiode and is designed to determine a measurement variable on the basis of a measurement signal produced by way of the at least one semiconductor photodiode, and an interface. The radiometric measuring device can be coupled to at least one receiver by way of the interface for the purpose of interchanging data.
Berthold Technologies Gmbh & Co. Kg

Lidar system

A lidar system with a pulsed laser diode to produce a plurality of optical seed pulses of light at one or more operating wavelengths between approximately 1400 nm and approximately 1600 nm. The lidar system may also include one or more optical amplifiers to amplify the optical seed pulses to produce a plurality of output optical pulses.
Luminar Technologies, Inc.

Avalanche diode arrangement and providing a detection signal

An avalanche diode arrangement (10) comprises an avalanche diode (11) that is coupled to a first voltage terminal (16) and to a first node (13), an event detector (14) for detecting a trigger event of the avalanche diode (11) and being coupled to the first node (13), a quenching circuit (15) that is coupled to the first node (13), and a detection circuit (20) coupled to the first node (13). The detection circuit (20) is configured to provide a detection signal (svc2) that depends on a value of a node voltage (sva) at the first node (13)..
Ams Ag

Laser leveling tool with adaptive thermal control

A laser leveling tool comprises at least one laser diode for emitting a laser beam; a micro controller unit for controlling the operation of the laser diode; and a thermal sensor for sensing the internal temperature of the laser leveling tool; wherein the micro controller unit is configured to reduce the operation power of the laser diode when the sensed internal temperature reaches a temperature threshold.. .
Robert Bosch Co. Ltd.

Reflection structure for led lamp

A reflection structure for an led lamp contains: a substrate having an accommodation groove in which a plurality of cavities are defined and configured to accommodate multiple light-emitting diode (led) chips respectively. The substrate also includes multiple partition ribs fixed in the accommodation groove of the substrate and configured to separate the plurality of cavities.

Decorative light

A decorative light can include: a lamp case defining a hollow interior region and having an open front end; a beam splitter located inside the lamp case, the beam splitter defining an interior region; a lighting module located within the interior region of the beam splitter, the lighting module including a plurality of light emitting diodes (leds) located thereon; a motor located inside the lamp case, the motor coupled to the beam splitter and adapted to rotate the beam splitter with respect to the lighting module; and a front lens mounted to the open front end of the lamp case. A convertible support stand for an outdoor lighting product is also discussed..
Gemmy Industries Corp.

Led optical components

An light-emitting diode (led) optical component includes a component substrate having an led side, an opposite side opposing the led side, and, optionally, a broken or separated component tether. An led structure includes an led and, optionally, a broken or separated led tether separate from the component substrate.
X-celeprint Limited

Led tailgate light

A tail light for installation on a vehicle having an electrical system includes a tail light housing configured to replace an existing housing of an existing tail light of the automobile, the tail light housing having a hollow interior, a circuit board positioned within the hollow interior of the tail light housing and comprising independently controllable segments having light emitting diodes (leds) configured to transmit light from an outward facing surface of the circuit board; and a controller electrically connected to the electrical system of the vehicle and the tail light. The controller has a microprocessor and memory.
Putco, Inc.

Modular light fixture with power pack

A light fixture includes a fixture body, a support structure, a plurality of light emitting diodes (leds) a driver, a cover, and a connector. The fixture body includes a first raceway, a second raceway, and a channel.
Orion Energy Systems, Inc.

Led tube lamp

A light emitting diode (led) tube lamp includes a lamp tube; a first pin and a second pin coupled to a first end of the lamp tube, and a third pin coupled to a second end of the lamp tube; a first rectifying circuit comprising diodes and connected to the first and second pins, and a second rectifying circuit comprising diodes and connected to the third pin and an output terminal of the first rectifying circuit; a filtering circuit coupled to the two rectifying circuits and the led module, for filtering the rectified signal to produce a filtered signal; an led module comprising leds for emitting light, the led module configured to be driven by the rectified signal or the filtered signal; and a driving circuit coupled between the two rectifying circuits and the led module, and configured to drive the led module. The led tube lamp is configured to receive the external driving signal and emit light in each of two power supply arrangements, the two arrangements being respectively that the external driving signal is a low frequency signal input and transmitted through the first and second pins, and that the external driving signal is a low frequency signal input and transmitted through one of the first and second pins and the third pin across the two ends of the lamp tube.
Jiaxing Super Lighting Electric Appliance Co., Ltd

Led light bulb

A light bulb includes an edison style base, light emitting diode circuitry coupled to the base, a bulb sealed about the base and extending above the base, an elongated filament substrate supported by the base and extending into the bulb above the base, a light emitting diode channel supported by the filament substrate, coupled to the light emitting diode circuitry, and extending into the bulb above the base, and an inert gas disposed within the bulb.. .

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

And an organic light emitting diode and an organic light emitting display device using the organic compound. The organic compound of the present invention includes a phenanthroline core, which has a nitrogen atom of a relatively electron rich sp2 hybrid orbital, and a phosphine oxide moiety, which has an excellent electron transporting property and an excellent thermal stability.

Childrens guided breathing and mediation, mindfulness, and yoga toy

The present invention provides a children's guided breathing and meditation, mindfulness, and yoga toy. The children's toy includes a body containing one or more lights visible behind a translucent visor; a sound device that includes a flash memory integrated circuit; a microcontroller; an amplifier; a battery, and a speaker.

Method and system for a distributed optical transmitter with local domain splitting

Methods and systems for a distributed optical transmitter with local domain splitting is disclosed and may include, in an optical modulator integrated in a silicon photonics chip: receiving electrical signals, communicating the electrical signals to domain splitters along a length of waveguides of the optical modulator utilizing one or more delay lines, generating electrical signals in voltage domains utilizing the domain splitters, modulating received optical signals in the waveguides of the optical modulator by driving diodes with the electrical signals generated in the voltage domains, and generating a modulated output signal through interference of the modulated optical signal in the waveguides of the optical modulator. The delay lines may comprise one delay element per domain splitter, or may comprise a delay element per domain splitter for a first subset of the domain splitters and more than one delay element per domain splitter for a second subset of the domain splitters..
Lazzeri Società Agricola A R.l.

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Rf controlled switch box without using neutral wire and an rf controlled circuit thereof

A radio-frequency (rf) controlled switch box without using neutral wire includes a relay, and an rf controlled circuit that receives an rf control signal to control open or closed state of the relay. The rf controlled circuit, the relay and a light-emitting diode (led) light bulb are connected in series between line wire and the neutral wire.
Climax Technology Co., Ltd.

Apparatus, providing ac line power to lighting devices

An apparatus, method and system are disclosed for providing ac line power to lighting devices such as light emitting diodes (“leds”). A representative apparatus comprises: a plurality of leds coupled in series to form a plurality of segments of leds; first and second current regulators; a current sensor; and a controller to monitor a current level through a series led current path, and to provide for first or second segments of leds to be in or out of the series led current path at different current levels.
Chemtron Research Llc

Voltage compensation circuit, wireless communication device, and voltage compensation method

A voltage compensation circuit in a wireless communication device that performs wireless communication under a time division duplex (tdd) scheme includes a first path on which a diode is placed, a second path on which another diode is placed, and a timing controller. The first path is a path that supplies, to a transmitter-receiver, power output from a power supply and having a first voltage.
Fujitsu Limited

Microstepper motor control circuit pwm output coupled to h-bridge gates

A stepper motor control system includes stepper motor error reduction. For example, first and second power switches respectively energize and de-energize a stepper motor coil during each cycle for pulse-width modulating (pwm) the coil current.
Texas Instruments Incorporated

Dc-dc converter with active return flow lockout and operating a dc-dc converter

The disclosure relates to a dc-dc converter in which a first coil terminal is connected with an input terminal and a second coil terminal is connected, on the one hand, via a rectification switch to an output terminal and, on the other hand, via a control switch to a ground potential and a control circuit is configured to switch in successive switching cycles in each case in a regulating phase the rectification switch to be electrically blocking and the control switch to be electrically conducting, and in a rectifying phase to switch the control switch to be electrically blocking. A measuring component generates a measurement signal which signals a current intensity of a coil current, and a comparator circuit compares the measurement signal with a threshold value and the control circuit keeps the rectification switch electrically blocking in the rectifying phase and conducts the coil current via a bypass diode if the current intensity was continuously lower than the threshold value in the regulating phase..
Continental Automotive Gmbh

Dc-dc hybrid converter with gallium nitride and silicon transistors

The present invention provides a hybrid combination of gan transistor and si transistor that are connected in an unique manner in a synchronous dc-dc power converter. The gan transistor acts as active switch and the si transistor acts as synchronous diode to reduce the power loss in a dc-dc power converter..
Indian Institute Of Science

Systems and methods for a dual function inrush limiting circuit

Systems and methods are provided for a dual function inrush limiting circuit (ilc). The systems and methods may include a level shift circuit (lsc).
The Boeing Company

Esd protection circuit and integrated circuit

An electrostatic discharge (esd) protection circuit for providing esd paths between a signal pad and a first or second power rail includes a first esd protection module and a second esd protection module. The first esd protection module is coupled between the signal pad and the first power rail, and includes at least two first diodes and a first resistor.
National Taiwan Normal University

Laser diode and manufacturing laser diode

A laser diode includes a ridge portion, channel portions located adjacent to the ridge portion such that the ridge portion is sandwiched, the channel portions being shorter in height than the ridge portion, terrace portions adjacent to opposite sides of the respective channel portions from the ridge portion and longer in height than the channel portions, supporting portions provided over the respective channel portions, separated from side surfaces of the ridge portion or side surfaces of terrace portions or both, and made of resin, a ceiling portion including first portions provided over the supporting portions and second portions continuous with the first portions and located over the respective channel portions with hollow portions interposed therebetween, the ceiling portion being made of resin, and a metal layer provided over the ceiling portion and connected to an upper surface of the ridge portion.. .
Mitsubishi Electric Corporation

Ganfet as energy store for fast laser pulser

The present disclosure relates to systems and circuits that may facilitate sub-5 nanosecond laser diode operation. An example system includes a trigger source, a laser diode, a first field effect transistor and a second field effect transistor.
Waymo Llc

Laser system having a dual pulse-length regime

A single loop hardware-based system for producing laser pulses in a microsecond scale operational mode includes a gui to enable a user to select the operational mode of the system; a laser source for producing one or more laser beam pulses, the laser source being a diode laser pump source module; a dsp which enables and disables a hardware-based fpga. The fpga controls the diode pump source module.
Lumenis Ltd.

Tandem pumped fiber amplifier

In an example, a tandem pumped fiber amplifier may include a seed laser, one or more diode pumps, and a plural core fiber including a first core and a second core, the second core surrounding the first core. The plural core fiber may include a first section to operate as an oscillator and a second different section to operate as a power amplifier.
Nlight, Inc.

Processes for making light extraction substrates for an organic light emitting diode and products including the same

A process includes providing a base substrate and disposing a precursor on the base substrate. The precursor includes powdered particles of a first material and an organic binder.
Corning Incorporated

Organic light emitting diode display and manufacturing the same

An organic light emitting diode (oled) display including: a substrate; an organic light emitting diode formed on the substrate; a metal oxide layer formed on the substrate and covering the organic light emitting diode; a first inorganic layer formed on the substrate and covering the organic light emitting diode; a second inorganic layer formed on the first inorganic layer and contacting the first inorganic layer at an edge of the second inorganic layer; an organic layer formed on the second inorganic layer and covering a relatively smaller area than the second inorganic layer; and a third inorganic layer formed on the organic layer, covering a relatively larger area than the organic layer, and contacting the first inorganic layer and the second inorganic layer at an edge of the third inorganic layer.. .
Samsung Display Co., Ltd.

Organic light emitting diode display device and manufacturing method thereof

An organic light emitting diode display device includes: a substrate; a first electrode on the substrate; a hole transport layer on the first electrode; an organic light emitting layer on the hole transport layer; and a second electrode on the organic light emitting layer. The hole transport layer includes a hole transport layer composition including a compound represented by chemical formula 1, a compound represented by chemical formula 2, a compound represented by chemical formula 3, and a compound represented by chemical formula 4..
Samsung Display Co., Ltd.

Quantum dot light emitting diode subpixel array, manufacturing the same, and display device

Embodiments of the present disclosure relate to a quantum dot light emitting diode subpixel array, a method for manufacturing the same, and a display device. The method for manufacturing the quantum dot light emitting diode subpixel array according to embodiments of the present disclosure comprises a quantum dot accepting layer forming step of forming a quantum dot accepting layer on a substrate; a thermosensitive quantum dot material layer applying step of applying a thermosensitive quantum dot material layer containing a thermosensitive organic ligand on the quantum dot accepting layer; and a thermosensitive quantum dot material transferring step of subjecting the organic ligand of the thermosensitive quantum dot material in a predetermined area of the thermosensitive quantum dot material layer to a chemical reaction by heating such that the thermosensitive quantum dot material in the predetermined area is transferred onto a corresponding subpixel region on the quantum dot accepting layer..
Boe Technology Group Co., Ltd.

Flip-chip light emitting diode and fabrication method

A flip-chip light-emitting diode structure includes a substrate; an epitaxial layer over the substrate, which includes a first semiconductor layer, a light-emitting layer, and a second semiconductor layer; a first electrode structure over the first semiconductor layer; a second electrode structure over the second semiconductor layer; wherein, the first electrode structure includes a first electrode body and a first electrode ring; the second electrode structure includes a second electrode body and a second electrode ring; the thickness of the first electrode ring is greater than or equal to that of the first electrode body and the thickness of the second electrode ring is greater than or equal to that of the second electrode body. As barrier structures, the first and the second electrode rings are used for avoiding short circuit during packaging and usage of the light-emitting diode due to overflow of solid crystal conductive materials, thus improving reliability..
Xiamen Sanan Optoelectronics Technology Co., Ltd.

Pin photodiode, x-ray detecting pixel, x-ray detecting apparatus and detecting method thereof

The present application provides a pin photodiode, an x-ray detecting pixel, an x-ray detecting apparatus and a detecting method thereof. The pin photodiode may comprise a first doped layer, an intrinsic layer disposed over the first doped layer, and a second doped layer disposed over the intrinsic layer.
Chengdu Boe Optoelectronics Technology Co., Ltd.

Avalanche diode and manufacturing the same field

An avalanche diode includes a pn junction with a first deep trench structure adjacent to the pn junction. An area via which photons impinge is provided, the pn junction extending substantially vertically with respect to the area.
Stmicroelectronics (research & Development) Limited

Distributed photodiode with built-in equalization

A distributed photodiode with fir filtering function enabled by a lumped transmission line is provided. The distributed photodiode includes inductors, a plurality of photodiode segments, photodiode biasing components, and termination impedance.
Purdue Research Foundation

Schottky diode and its manufacturing

The invention disclosure describes a manufacturing method for realizing so-called jbs areas for a unipolar power diode on the basis of diamond. In this special method, an n-doped layer is applied to the typically p-doped drift region, e.g.
Fraunhofer Gesellschaft Zur Förderung Der Angew. Forschung E.v.

Light emitting diode display substrate, a manufacturing the same, and display device

A light emitting diode display substrate, a method of manufacturing the same, and a display device are provided. The method includes: forming a planarization layer and a photoresist layer in sequence on a substrate on which a thin film transistor is formed, a light sensitivity of the planarization layer being higher than a light sensitivity of the photoresist layer; etching the planarization layer and the photoresist layer simultaneously, such that a pixel defining pattern is formed through a removed portion of the photoresist layer, and an anode via pattern is formed at a position of the planarization layer corresponding to the pixel defining pattern; forming an anode pattern layer on the substrate on which the above steps were performed, wherein the anode pattern layer comprises a plurality of anodes, such that the planarization layer located at edges of the anode via pattern covers edges of the anodes..
Boe Technology Group Co., Ltd.

Semiconductor device

In an active region, a mos gate of an igbt is provided on a front surface side of a semiconductor substrate. In an edge termination region, a zener diode is provided on the front surface of the semiconductor substrate, via a field oxide film.
Fuji Electric Co., Ltd.

Semiconductor device

A semiconductor device is provided, including: a semiconductor substrate; a transistor section provided in the semiconductor substrate; and a diode section provided in the semiconductor substrate being adjacent to the transistor section, wherein the diode section includes: a second conductivity-type anode region; a first conductivity-type drift region; a first conductivity-type cathode region; a plurality of dummy trench portions arrayed along a predetermined array direction; a contact portion provided along an extending direction of the plurality of dummy trench portions that is different from the array direction; and a lower-surface side semiconductor region provided directly below a portion of the contact portion at an outer end in the extending direction.. .
Fuji Electric Co., Ltd.

Organic light emitting diode display device and manufacturing the same

A display device includes: a substrate including a first area, a second area, and a bending portion between the first area and the second area; a pixel at the first area of the substrate; a terminal at the second area of the substrate; a first conductive line on the bending portion of the substrate and extending from the first area to the second area; a first organic layer on the first conductive line; a second inorganic layer on the first organic layer in an area other than the bending portion; and a second conductive line on the first organic layer and the second inorganic layer and overlapping the first conductive line to extend from the first area to the second area. The first conductive line and the second conductive line contact each other in at least one of the first area and the second area..
Samsung Display Co., Ltd.

Organic light-emitting display device

An organic light-emitting diode (oled) display device includes a substrate, a first gate electrode on the substrate, a second gate electrode on the first gate electrode and at least partially overlapping the first gate electrode, a semiconductor pattern between the first gate electrode and the second gate electrode and at least partially overlapping the first and second gate electrodes, a connecting electrode on the second gate electrode and electrically connected to the semiconductor pattern, and a pixel electrode on the connecting electrode and electrically connected to the connecting electrode.. .
Samsung Display Co., Ltd.

Organic light-emitting diode panel and manufacturing method using the same

An organic light-emitting diode panel and a manufacturing method using the same are provided in the present invention. The oled panel includes at least a pixel.
Focaltech Systems Co., Ltd.

Display device and electrical device using the same

A display device includes: a substrate comprising a first region and a second region bent relative to the first region; a plurality of first pixels at the first region, each of the first pixels comprising a first light-emitting diode (led), the first led comprising a pixel electrode, an emission layer for emitting light of a first color, and a counter electrode; a plurality of second pixels at the second region, each of the second pixels comprising a second led, the second led comprising a pixel electrode, an emission layer configured to emit the first color, and a counter electrode; and an optical resonance layer at the second region corresponding to the second led.. .
Samsung Display Co., Ltd.

Touch display panel

The disclosure relates to a touch display panel, including a first substrate, an organic light emitting diode (oled) device layer, a spacer, a first touch electrode, a second touch electrode, and a second substrate opposite to the first substrate. The oled device layer is disposed on the first substrate and has a light emitting area.
Innolux Corporation

Organic light emitting diode device integrated with color filter electrode and manufacturing the same

Provided are an organic light emitting diode (oled) device integrated with a color filter electrode, which is formed by inserting an intermediate layer having conductivity between a plurality of metal films, and a method of manufacturing the same. The oled device includes: a first electrode layer configured to function as an anode electrode to provide holes; an organic emission layer disposed above the first electrode layer and configured to cause a reaction between the holes and electrons to generate light; and a color filter electrode layer disposed above the first electrode layer and the organic emission layer and configured to selectively transmit a color in each region, function as a cathode electrode due to conductivity thereof, and provide the electrons to the organic emission layer..
Korea Advanced Institute Of Science And Technology

Light-emitting diode device

A light-emitting diode device includes a substrate; a plurality of light-emitting units formed on the substrate, wherein the plurality of light-emitting units form a serially-connected array, and the serially-connected array includes: a plurality of adjacent light-emitting unit columns; a first light-emitting unit row; a second light-emitting unit row; and a third light-emitting unit row adjacent with the second light-emitting unit row; and a plurality of conductive connecting structures connecting the plurality of light-emitting units; wherein the light-emitting units in the first light-emitting unit rows having the same connecting direction; wherein the second and the third light-emitting unit rows include n light-emitting units with (n−1) times of sequentially connecting via (n−1) conductive connecting structures, and the (n−1) times of the sequentially connecting comprise (n/2) times of vertical connecting or (n/2) times of horizontal connections.. .
Epistar Corporation

Wafer level light-emitting diode array

A light emitting diode array is provide to include: a substrate; light emitting diodes positioned over the substrate, each including a first semiconductor layer, an active layer, and a second semiconductor layer, wherein each light emitting diode is disposed to form a first via hole structure exposing a portion of the corresponding first semiconductor layer; lower electrodes disposed over the second semiconductor layer; a first interlayer insulating layer disposed over the lower electrodes and configured to expose the portion of the first semiconductor layer of corresponding light emitting diodes; upper electrodes electrically connected to the first semiconductor layer through the first via hole structure, wherein the first via hole structure is disposed in parallel with one side of the corresponding second semiconductor layer and the first interlayer insulating layer is disposed to form a second via hole structure exposing a portion of the lower electrodes.. .
Seoul Viosys Co., Ltd.

Method of recovery of motft backplane after a-si photodiode fabrication

A method of fabricating a structure including a high mobility backplane and a-si photodiode imager includes forming a matrix of metal oxide thin film transistors on the surface of a rigid support member, depositing a planarizing layer on the matrix of transistors that is either porous or permissive/diffusive to oxygen at temperatures below approximately 200° c., and fabricating a matrix of passivated a-si photodiodes over the matrix of transistors and electrically connected one each photodiode to each of the transistors. A continuous path is provided through the planarizing layer from the exterior of the structure to each of the transistors and the structure is annealed at a temperature below 200° c.

Molded intelligent power module

An intelligent power module (ipm) has a first, second, third and fourth die paddles, a first, second, third, fourth, fifth and sixth metal-oxide-semiconductor field-effect transistors (mosfets), a tie bar, an ic, a plurality of leads and a molding encapsulation. The first mosfet is attached to the first die paddle.
Alpha And Omega Semiconductor (cayman) Ltd.

Pixel compensation circuit

A pixel compensation circuit is arranged for compensating the critical parameter associated with the electrical properties of the components in thin film transistors of an active matrix organic light emitting diode display or similar illumination systems to avoid uneven brightness resulted from the voltage drop effect. The pixel compensation circuit is defined in a sub-pixel area, wherein there are eight thin film transistors and one capacitor, and the circuit is operated by two control signals.
Int Tech Co., Ltd.

Modular wagering electronic game machine

A modular gaming system can be constructed from a standard base cabinet including a plurality of support members and an interchangeable upper modular cabinet holding one or more display monitors, wherein the upper modular cabinet is attached to the standard base cabinet. The standard base cabinet can have an attached door for accessing gaming system components.
Eclipse Gaming Systems

Camera integrated into a display

Certain aspects of the technology disclosed herein integrate a camera with an electronic display. An electronic display includes several layers, such as a cover layer, a color filter layer, a display layer including light emitting diodes or organic light emitting diodes, a thin film transistor layer, etc.
Essential Products, Inc.

Systems, devices, and methods for focusing laser projectors

Systems, devices, and methods for focusing laser projectors are described. A laser projector includes n≥1 laser diodes, each of which emits laser light having a divergence.
Thalmic Labs Inc.

Systems, devices, and methods for focusing laser projectors

Systems, devices, and methods for focusing laser projectors are described. A laser projector includes n≥1 laser diodes, each of which emits laser light having a divergence.
Thalmic Labs Inc.

Display module and display device

A display module and a display device are disclosed. The display module includes an organic light emitting diode substrate and a liquid crystal panel, wherein the organic light emitting diode substrate includes a base and a plurality of organic light emitting diodes disposed on a side of the base adjacent to the liquid crystal panel; the liquid crystal panel includes a plurality of sub-pixels configured to filter light; wherein the base is a silicon base, on which a first driving circuit and a second driving circuit are disposed, the first driving circuit configured to drive the respective organic light emitting diodes to emit light and the second driving circuit configured to the respective sub-pixels to filter light..
Beijing Boe Optoelectronics Technology Co., Ltd.

Wide color-gamut vehicle infotainment display system with quantum dot element

A display device includes a light source that includes a blue light-emitting diode (led) configured to generate a blue output light; a nanocrystal material that is disposed between the light source and a liquid crystal module, and a light guide assembly. The nanocrystal material receives the blue output light, converts a first portion of the blue output light to a green light emission, converts a second portion of the blue output light to a red light emission, and transmits a remainder portion of the blue output light.
Harman International Industries, Incorporated

Systems and methods for tactile sensing

Achieving high spatial resolution in contact sensing for robotic manipulation often comes at the price of increased complexity in fabrication and integration. One traditional approach is to fabricate a large number of taxels, each delivering an individual, isolated response to a stimulus.
The Trustees Of Columbia University In The City Of New York

Laser line generating device

A laser beam generating device includes a housing a first laser diode which generates a visible first output beam which projects outside of the housing onto a surface and a second laser diode which generates a visible second output beam which projects outside of the housing onto the surface. The laser beam generating device has a first mode in which the first laser diode and the second laser diode are both on.
Stanley Black & Decker Inc.

Thermosyphon cooling for overheat protection

The present invention cools fluid by thermosyphon to prevent overheating at a flowing-fluid-heating device, such as a solar collector, when forced circulation stops. The introduction of the fluidic diode in the present invention affords more overheat protection system design options, higher reliability, and the opportunity to manufacture solar collectors of less expensive alternative materials..

Illuminated board

A buoyant illuminated board having a board assembly with a deck, a bottom, first and second lateral sides, and at least one aperture. An electrical system has a power source, and at least one light source within the at least one aperture.

Laser car lamp

A laser car lamp includes a plurality of laser diodes, at least one light guide element, a phosphor element, and a lens. The light guide element has a laser light incident surface and a laser light exit surface.
National Taiwan University Of Science And Technology

Light emitting diode illumination device

A light emitting diode illumination device comprises a light-transmitting encapsulant, a transparent core, a light source plate stereoscopic structure and a power supply device. The light-transmitting encapsulant and the transparent core can be made of glass material.
Xiamen Eco Lighting Co. Ltd.

Window assembly with selectable tint

A window tint system for a motor vehicle includes a transparent layer and a transparent organic light emitting diode (t-oled) screen positioned in contact with the transparent layer. The t-oled screen includes a plurality of pixels, and the t-oled screen has a first state wherein the pixels are substantially transparent and a second state wherein a subset of the pixels have a reduced transparency relative to the first state to reduce the transmission of light there through..
Dura Operating, Llc

Saw blade illuminating safety device

A saw blade illumination device includes a waterproof main body that houses a light source to be directed along the length of a bandsaw blade. The device includes a mounting bracket for securing the main body onto a guide post of the band saw.

Commissariat A L'energie Atomique Et Aux Energies Alternatives

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Linear solid-state lighting with front end electric shock detection

A linear light-emitting diode (led)-based solid-state lamp comprises a front-end electric shock detection and control module, an led driving circuit, and led arrays. The front-end electric shock detection and control module comprises at least one full-wave rectifier, at least one half-wave rectifier, a constant current sink connected to the at least one half-wave rectifier, a signal extraction unit, a switch control unit, and at least one switch.
Aleddra Inc.

Single control led dimming and white tuning

A lighting device includes a light source that emits an illumination light. The light source includes a first group of light emitting diodes (leds) to emit a first light, a second group of leds to emit a second light, and a third group of leds to emit a third light.
Cooper Technologies Company

Light emitting diode driving circuit

A light emitting diode driving circuit is provided for driving a first led unit and a second led unit. The light emitting diode driving circuit includes a power supply, a detection unit, a serial-parallel circuit, and a control unit.
Edison Opto (dongguan) Co., Ltd.

Light emitting diode driving circuit for reducing flicker effect

An led driving circuit for driving an led unit includes a power source, a detection circuit, a charging-discharging circuit, and a control circuit. The power source is coupled to the input node of the led unit.
Edison Opto (dongguan) Co., Ltd.

Image sensor having stacked imaging and digital wafers where digital wafer has stacked capacitors and logic circuitry

An electronic device disclosed herein includes a first integrated circuit die having formed therein photodiodes and readout circuitry for the photodiodes, with the readout circuitry including output pads exposed on a surface of the first integrated circuit die. A second integrated circuit die has formed therein storage capacitor structures for the photodiodes and digital circuitry for performing image processing on data stored in the storage capacitor structures, with the storage capacitor structures including input pads exposed on a surface of the second integrated circuit die.
Stmicroelectronics (research & Development) Limited

Image pixels with in-column comparators

Image sensors may include imaging pixels that have comparators to read out image pixel signals. An imaging pixel may include a photodiode, a floating diffusion region, and a transfer transistor that transfers charge from the photodiode to the floating diffusion region.
Semiconductor Components Industries, Llc

Led light broad band over power line communication system

An led light and communication system is in communication with a broadband over power line communications system. The led light and communication system includes at least one optical transceiver.
Federal Law Enforcement Development Services, Inc.

Active differential resistors with reduced noise

A method and system of providing an active differential resistor. The active differential resistor includes a diode having a first node and a second node.
Linear Technology Corporation

Circuit arrangement for controlling a transistor

A circuit arrangement for controlling a transistor with an insulated gate, a gate driver for generating a driver signal, and a capacitor parallel to the gate-source path of the transistor, wherein the gate driver is designed for generating a driver signal greater than or equal to zero volts, an inductor is provided for forming a resonant circuit with the capacitor, and a switching element is provided in the resonant circuit, which is designed for interrupting the resonant circuit after recharging the capacitor. The part of the circuit arrangement downstream of the gate driver is designed for exclusive voltage supply using the driver signal of the gate driver, and the switching element is formed by an additional transistor, a first freewheeling diode is arranged parallel to the switching element, and the inductor of the resonant circuit is arranged between the additional transistor and the gate of the transistor..
Fronius International Gmbh

Hybrid rectification for wireless power

Certain aspects of the present disclosure relate to methods and apparatus for hybrid rectification for wireless power. Certain aspects of the present disclosure provide a wireless power receiver.
Qualcomm Incorporated

Apparatus and a mobile router to receive power from a plurality of power supplies

The present invention discloses an apparatus and a method for using a plurality of external usb power sources. The electronic apparatus comprises a plurality of usb jacks, a plurality of first diodes, at least one external power source jack, a second diode and a first voltage converter, a processing unit, a main memory, a network interface, at least one sim card slot, a rf transceiver and a secondary storage.
Pismo Labs Technology Limited

Battery assembly device with charging and discharging protection

A battery assembly device with charging and discharging protection is provided. The aforementioned device includes a plurality of serially connected battery modules and each of the battery module further includes one or a plurality of battery units, a plurality of serially connected first diodes which are parallel connected with the battery unit, a protection circuit including a second diode and third diode which are parallel connected to each other, and a fourth diode.
Elmatek Internation Corp.

Manufacture quantum dot light-emitting diode display and quantum dot light-emitting diode display

The disclosure provides a manufacture method of a quantum dot light-emitting diode display and a quantum dot light-emitting diode display. The manufacture method of a quantum dot light-emitting diode display provided by the disclosure forms a light-emitting layer by a quantum dot thin film prepared by filming a metal complex solution, compared with a conventional ink jet printing method with quantum dot ink, process parameters can be adjusted easily, a process can be simple, costs can be reduced, three primary colors r, g, b can be adjusted by precisely controlling sub pixel levels, a color film can be omitted, which can be a better industrial design in weight and thickness.
Shenzhen China Star Optoelectronics Technology Co., Ltd.

Organic light emitting diode display device

An organic light emitting diode display device includes an auxiliary electrode spaced apart from a plurality of first electrodes on a substrate. A first light emitting portion is on the first electrode.
Samsung Display Co., Ltd.

Single-layer light-emitting diodes using organometallic halide perovskite/ionic-conducting polymer composite

Single-layer leds were developed using a composite thin film of organometal halide perovskite (pero) and poly (ethylene oxide) (peo). Single-layer pero leds have a device structure that resembles “bottom electrode (ito)/pero-peo/top electrode (in/ga or au)”.
The Florida State University Research Foundation, Inc.

Light emitting diode display with redundancy scheme

A display panel and method of manufacture are described. In an embodiment, a display substrate includes a pixel area and a non-pixel area.
Apple Inc.

A light emitting diode, a light emitting device and a display device

The present application relates to a light emitting diode, a light emitting device, and a display device. The light emitting device includes a light emitting diode and a substrate; the substrate is coated with a bonding substance; the light emitting diode is provided with a positive electrode pad and a negative electrode pad; the surface of the positive electrode pad and/or the negative electrode pad is provided with a plurality of protrusions which are embedded in the bonding substance; and the positive electrode pads and the negative electrode pads are fixed to the substrate through the bonding substance.
Boe Optical Science And Technology Co., Ltd.

Semiconductor light emitting device package

A semiconductor light emitting device package is provided and includes a light emitting diode (led) chip including a first electrode and a second electrode, the led chip having a first surface on which the first electrode and the second electrode are disposed, and a second surface opposing the first surface; a dam structure disposed on the first surface, an outside edge of the dam structure being co-planar with an outside edge of the led chip; and a wavelength conversion layer disposed on side surfaces of the led chip, the second surface of the led chip, and a surface of the dam structure, the wavelength conversion layer containing a wavelength conversion material.. .
Samsung Electronics Co., Ltd.

Light emitting diode and fabrication method thereof

A light-emitting diode includes from bottom to up: a substrate; a light-emitting epitaxial layer laminated by semiconductor material layers over the substrate; a current spreading layer doped with conductive metal nanomaterial groups over the light-emitting epitaxial layer; and metal nanomaterial groups with high visible light transmittance over the current spreading layer. The conductive metal nanomaterial groups dispersed inside the ito current spreading layer can reduce horizontal resistance of the current spreading layer and improve horizontal spreading uniformity of current; and metal nanomaterial groups with high visible light transmittance are distributed over the upper surface of the current expansion layer for roughening and increasing light extract efficiency..
Xiamen Sanan Optoelectronics Technology Co., Ltd.

Light emitting diode chip scale packaging structure and direct type backlight module

A light emitting diode chip scale packaging structure and a direct type backlight module are disclosed. The light emitting diode chip scale packaging structure includes a light emitting diode chip, a wavelength converting layer, a diffusion structure and a lens.
Lextar Electronics Corporation

Light emitting, photovoltaic or other electronic apparatus and system

The present invention provides an electronic apparatus, such as a lighting device comprised of light emitting diodes (leds) or a power generating apparatus comprising photovoltaic diodes, which may be created through a printing process, using a semiconductor or other substrate particle ink or suspension and using a lens particle ink or suspension. An exemplary apparatus comprises a base; at least one first conductor; a plurality of diodes coupled to the at least one first conductor; at least one second conductor coupled to the plurality of diodes; and a plurality of lenses suspended in a polymer deposited or attached over the diodes.
U.s. Government As Represented By The Administrator Of The National Aeronautics And Spac

Photodiode

According to an embodiment, the patterns (211) extend mainly along a direction dm inclined with respect to a direction dp (x) perpendicular to said main direction de (z).. .

Microstructure enhanced absorption photosensitive devices

Microstructure enhanced photodiodes and avalanche photodiodes are monolithically integrated with cmos/bicmos circuitry such as transimpedance amplifiers. Microstructures, such as holes, can improve quantum efficiency in silicon and iii-v materials and can also reduce avalanche voltages for avalanche photodiodes.
W&wsens, Devices Inc.

Schottky barrier diode

A schottky barrier diode includes a first semiconductor layer having depressions on a top surface thereof, and having a guard ring extending from the top surface to an inner position of the first semiconductor layer, the guard ring including portions arranged with the depressions interposed therebetween when viewed in a direction perpendicular to the top surface; the diode further includes an insulation layer having portions arranged with the depressions interposed therebetween when viewed in the perpendicular direction, a first metal layer extending as bridging inside and outside of the depressions and the insulation layer, the first metal layer having a first end on the insulation layer, and a second metal layer formed on the first metal layer and having a second end on the insulation layer, the second end being flush with the first end.. .
Rohm Co., Ltd.

Apparatus for controlling driver current for illumination source

A single photon avalanche diode based range detecting apparatus includes a reference array of single photon avalanche diodes configured to receive light from an illumination source via an internally coupled path. A return array of single photon avalanche diodes is configured to receive light from the illumination source via an external free space path.
Stmicroelectronics (research & Development) Limited

Display device

A display device includes a substrate, a semiconductor layer on the substrate, a gate insulating layer on the semiconductor layer and having one or more first openings, a gate electrode on the gate insulating layer, a first capacitor electrode on the gate insulating layer, a first interlayer insulating layer on the first capacitor electrode and having one or more second openings, a second capacitor electrode on the first interlayer insulating layer, a source electrode and a drain electrode connected with the semiconductor layer, and a light emitting diode connected with the drain electrode. The first capacitor electrode includes one or more protrusions in the first openings of the gate insulating layer and correspond to a shape of the first openings, and the second capacitor electrode includes one or more protrusions in the second openings of the first interlayer insulating layer and correspond to a shape of the second openings..
Samsung Display Co., Ltd.

Amoled pixel driving circuit and pixel driving method

The present invention provides an amoled pixel driving circuit and a pixel driving method. By utilizing the dual gate thin film transistor to be the drive thin film transistor, in the pre-charge stage, the preset voltage (vpre) is written to the bottom gate (bg) of the first thin film transistor (t1), and the power source voltage (vdd) is written to the top gate; in the threshold voltage programming stage, the voltage of the top gate (tg) of the first thin film transistor (t1) drops, and the threshold voltage is raised until the threshold voltage is lifted up to vth=vpre−voled; in the drive stage, the voltage of the top gate (tg) is kept unchanged to keep the threshold voltage remaining to be vth=vpre−voled, and the data signal data drives the first thin film transistor (t1) to be activated to make the organic light emitting diode (d1) emit light..
Shenzhen China Star Optoelectronics Technology Co., Ltd.

Photo detector device

A photo detector device is provided. The photo detector device includes a substrate, a first metal layer, a first interlayer dielectric layer, an active layer, a photodiode, and a second metal layer.
Innolux Corporation

High density nanosheet diodes

Embodiments are directed to a method for forming a semiconductor structure by depositing a stack of alternating layers of two materials over a substrate and defining field-effect transistor (fet) and diode regions. The method further includes depositing a mask, where the mask covers only the fet region while leaving the diode region uncovered.
International Business Machines Corporation

Transient voltage suppression diodes with reduced harmonics, and methods of making and using

A semiconductor device includes a semiconductor die. A transient voltage suppression (tvs) structure is formed in the semiconductor die.
Semtech Corporation

Amoled pixel driving circuit and pixel driving method

The present invention provides an amoled pixel driving circuit and a pixel driving method. The amoled pixel driving circuit utilizes a 5t1c structure driving circuit, comprising a first thin film transistor (t1), a second thin film transistor (t2), a third thin film transistor (t3), a fourth thin film transistor (t4), a fifth thin film transistor (t5), a capacitor (c1) and an organic light emitting diode (d1), and the nth scan signal (scan(n)), the n-1th scan signal (scan(n-1)) and the light emitting control signal (em(n)) are combined with one another, and correspond to an oled activation voltage extracting stage, a program stage and a light emitting stage one after another.
Shenzhen China Star Optoelectronics Technology Co., Ltd.

Integrated light-emitting diode arrays for displays

Integrated light-emitting diode (led) arrays based devices or systems and methods of forming the integrated led arrays based devices or systems are provided. In one aspect, an integrated active-matrix led display includes a silicon substrate including a first side and a second side, an array of active-matrix led pixels formed on the first side, each led pixel including at least one led and at least one non-volatile memory coupled to the at least one led, display drivers formed on the first side and coupled to the led pixels, integrated circuits formed on the second side, and conductive electrodes penetrating through the silicon substrate and coupling the display drivers to the integrated circuits.

360-degree production light

In an embodiment of the present invention, a production light is provided to be attached to the bottom of a camera, via a threaded aperture, typically used to mount a camera to a tripod. The production light is configured to emit light about a 360-degree angle via a light emitting diode (led) array..

Wide color-gamut vehicle infotainment display system with quantum dot element

A display device includes a planar array of blue light-emitting diodes (leds) that are each configured to generate a blue output light, wherein the planar array is positioned parallel to a light-receiving surface of a liquid crystal module and a nanocrystal material that is disposed between the planar array and the liquid crystal module, and the liquid crystal module. The nanocrystal material is configured to: receive the blue output light, convert a first portion of the blue output light to a green light emission, convert a second portion of the blue output light to a red light emission, and transmit a remainder portion of the blue output light.
Harman International Industries, Incorporated

Liquid crystal display with energy harvesting led backlighting

A novel liquid crystal display (lcd) is alternately operable in an active display mode, in which its led array is forward biased and the leds emit backlight, or in an inactive display mode, in which the led array is reverse biased and the leds function as photo diodes that harvest the energy of ambient light to generate a photovoltaic (pv) current used to charge the battery of a device, such as a smartphone, in which the lcd is embedded. In one embodiment, the lcd is also alternately operable in a semi-active display mode, in which one or more selected segments of the led array are forward biased, and the leds of the selected segments emit backlight, while one or more unselected segments are reverse biased, and the leds of the unselected segments generate the pv current to charge the rechargeable battery..
Hyperion Technology, Llc

Inspection system and inspection method

An inspection system includes a detection device arranged between a connector that couples a plurality of optical fibers to a port and the port; and a determination device that determines whether there is dart between the connector and the port, based on an output from the detection device, wherein the detection device includes a plurality of diodes that convert light that is output from each of the plurality of optical fibers to an electrical signal indicating intensity and distribution of the light, and the determination device includes a processor configured to determine whether there is dart between the connector and the port, based on the intensity and distribution of the light, which are indicated by the electrical signal.. .
Fujitsu Limited

Systems, methods, and radiation detection

A radiation detection technique employs field enhancing structures and electroluminescent materials to converts incident terahertz (thz) radiation into visible light and/or infrared light. In this technique, the field-enhancing structures, such as split ring resonators or micro-slits, enhances the electric field of incoming thz light within a local area, where the electroluminescent material is applied.

Method of harvesting cruciferous sprouts for increasing the amount of glucosinolate in cruciferous sprouts

A method for growing cruciferous sprout uses light emitted diode (led) as a light source in growing the cruciferous sprout, which consequently increases the amount of the glucosinolates of the cruciferous sprout. The cruciferous sprout with increased anticancer activity can be grown with the easy light-controllable, eco-friendly and economical method..
Korea Institute Of Science And Technology

Lg Display Co., Ltd.

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Devices, systems, and methods for maintaining luminaire color temperature levels in a gateway based system

The disclosure relates to devices, systems, and methods for adjusting and/or maintaining color temperature levels of luminaires. The luminaires may be light emitting diode (led)-based luminaires which are part of a smart illumination system.
Gooee Limited

Systems and methods for current regulation in light-emitting-diode lighting systems

Systems and methods are provided herein for current regulation. An example system controller includes: a first controller terminal configured to receive an input voltage, the first controller terminal being further configured to allow a first current flowing into the system controller based at least in part on the input voltage in response to one or more switches being closed; a second controller terminal configured to allow the first current to flow out of the system controller through the second controller terminal in response to the one or more switches being closed; a fourth controller terminal coupled to the third controller terminal through a first capacitor, the first capacitor not being any part of the system controller; and an error amplifier configured to generate a compensation signal based at least in part on the current sensing signal, the error amplifier including a second capacitor..
On-bright Electronics (shanghai) Co., Ltd.

Optoelectronic circuit comprising light-emitting diodes

An optoelectronic circuit intended to receive a variable voltage containing an alternation of rising and falling phases. The optoelectronic circuit includes assemblies of series-assembled light-emitting diodes, a node coupled to each assembly by a conduction circuit having its electric conductance varying according to a control signal and a control circuit coupled to each conduction circuit and capable of supplying each control signal based on the comparison of a first voltage at said node with at least a second voltage.
Easii Ic

Light emitting diode heatsink

An example heating apparatus comprises a light emitting diode (led) array comprising at least one led to heat a target object. The heating apparatus further comprises a heatsink thermally coupled to the led array to dissipate heat from the led array.
Hp Scitex Ltd.

Cmos image sensor with dual floating diffusions per pixel for flicker-free detection of light emitting diodes

Apparatuses and methods for image sensors with pixels that reduce or eliminate flicker induced by high intensity illumination are disclosed. An example image sensor may include a photodiode, a transfer gate, an anti-blooming gate, and first and second source follower transistors.
Omnivision Technologies, Inc.

Dynamic, single photodiode pixel circuit and operating method thereof

The invention also relates to an image sensor comprising a plurality of pixel circuits.. .

Visible light communication transceiver glasses

An led light and communication system includes visible light communication transceiver glasses having at least one projector, lens(es), and optical transceiver, the optical transceiver including a light support and a processor. The light support has at least one light emitting diode and at least one photodetector attached.
Federal Law Enforcement Development Services, Inc.

Inverter, for controlling the same

An inverter, a method and a device for controlling the inverter are provided, to improve efficiency of the inverter. The inverter includes a three-level active clamped topology including a first and second bus capacitors and an inverter circuit, the inverter circuit includes a first switch transistor to a sixth switch transistor.
Emerson Network Power Co., Ltd.

Ideal diode bridge rectifying circuit and control method

There is described a rectifying circuit and method of control thereof. The circuit comprises an ideal diode bridge and control circuitry for controlling the on-off transitions of the ideal diode bridge elements..
Telcodium Inc.

Low voltage laser diodes on {20-21} gallium and nitrogen containing substrates

A low voltage laser device having an active region configured for one or more selected wavelengths of light emissions.. .
Soraa Laser Diode, Inc.

Power supply driving laser diode provided with power supply for supplying power to laser oscillator

A power supply apparatus includes a power supply for supplying power to a laser oscillator. A reactor has one end serially connected to the laser oscillator and another end serially connected to the power supply, and a parallel diode configures a closed circuit for serial connection of the laser oscillator and the reactor.
Mitsubishi Electric Corporation

Optoelectronic lamp device

An optoelectronic lamp device, including a carrier having a planar mounting face, at least one laser diode that emits laser radiation, wherein the laser diode has a fast axis and a slow axis, the laser diode is arranged on the mounting face such that the fast axis is formed extending parallel to the mounting face, a first collimator is provided for collimating laser radiation polarized in the direction of the fast axis, and a second collimator is provided for collimating laser radiation polarized in the direction of the slow axis, wherein, in the beam path of the laser radiation emitted by the laser diode, the first collimator is arranged proximally and the second collimator is arranged distally relative to the laser diode so that the laser radiation polarized in the direction of the fast axis can be collimated first, and only then can the laser radiation polarized in the direction of the slow axis be collimated.. .
Osram Opto Semiconductors Gmbh

Organic light emitting diode display device and fabricating the same

An oled display device and a method of fabricating the same are disclosed. The oled display device includes a substrate including a display area provided with an organic light emitting element and a pad area provided with a plurality of pads, the pad area formed around the display area, an encapsulation layer formed on the substrate such that the encapsulation layer covers the organic light emitting element, and a dam formed between the display area and the pad area, the dam controlling flow of an organic film material constituting the encapsulation layer..
Lg Display Co., Ltd.

Electrode, organic light emitting diode, liquid crystal display device, and organic light emitting display device of the same

Disclosed is an electrode including a conductive material and a dopant having a work function of at least 5.0 ev. The conductive material may be one selected from the group consisting of a metal particle having a reflectivity of at least 80%, a carbon allotrope, a conductive polymer, metal nanowire, and a mixture thereof..
Lg Display Co., Ltd.

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

The organic compound is capable of reducing a driving voltage of an organic light emitting diode by an excellent charge transporting property. The present invention also provides an organic light emitting diode and an organic light emitting display device including the organic compound..

Optoelectronic lighting device and the production of an optoelectronic lighting device

An optoelectronic lighting device and a method for manufacturing an optoelectronic lighting device are disclosed. In an embodiment the device includes a carrier and a light-emitting diode arranged on the carrier having a light-emitting surface.
Osram Opto Semiconductors Gmbh

Electrode structure of light emitting diode

An electrode structure of an led includes an adhesion layer and a bond pad layer. The adhesion layer is stacked on the led.
Tekcore Co., Ltd.

Led structures for reduced non-radiative sidewall recombination

Led structures are disclosed to reduce non-radiative sidewall recombination along sidewalls of vertical leds including p-n diode sidewalls that span a top current spreading layer, bottom current spreading layer, and active layer between the top current spreading layer and bottom current spreading layer.. .
Apple Inc.

Apparatus and single-photon avalanche-photodiode detectors with reduced dark count rate

An avalanche photodiode has a first diffused region of a first diffusion type overlying at least in part a second diffused region of a second diffusion type; and a first minority carrier sink region disposed within the first diffused region, the first minority carrier sink region of the second diffusion type and electrically connected to the first diffused region. In particular embodiments, the first diffusion type is n-type and the second diffusion type is p-type, and the device is biased so that a depletion zone having avalanche multiplication exists between the first and second diffused regions..
Omnivision Technologies, Inc.

Semiconductor device and forming the same

A semiconductor device having a fast recovery diode (frd) is provided. The semiconductor device includes a substrate, a first well region disposed in the substrate, a base region disposed in the first well region, a first impurity region of a first conductivity type disposed in the base region, a second impurity region of a second conductivity type disposed in the first well region and separated from the base region, a first electrode electrically connected to the base region and the first impurity region, and a second electrode electrically connected to the second impurity region..
Macronix International Co., Ltd.

Semiconductor device and semiconductor device manufacturing method

A drift layer is made of a wide bandgap semiconductor. First well regions are formed on the drift layer.
Mitsubishi Electric Corporation

Micro-led displays

A micro-light emitting diode (led) display panel and a method of forming the display panel, the micro-led display panel having a monolithically grown micro-structure including a first color micro-led that is a first color nanowire led, and a second color micro-led that is a second color nanowire led.. .

Back side illuminated cmos image sensor arrays

An image sensor including at least one pixel for collecting charge in its photodiode is provided. The image sensor comprises: a substrate having a first surface on a front side and a second surface on a back side, a photodetector formed in the silicon substrate and having a light-receiving surface on the second surface, and a first layer with positive charges disposed on the second surface, the first layer being configured to form an electron accumulation region at the light-receiving surface of the photodetector for suppressing a dark current at a back side interface of the image sensor.
Cista System Corp.

Esd protection diode and electronic device including the same

Provided are an esd protection diode and an electronic device including the same. An esd protection diode and an electronic device including the same according to an embodiment of the inventive concept include first to fifth wells.
Industry-academic Cooperation Foundation, Dankook University

Visible light communication of an access credential in an access control system

Methods and systems relating to communication of authentication information in an access control system are disclosed. The authentication information is transmitted to an electronic locking device configured to restrict access to an entry point of the access control system.
Videx, Inc.

Electronic device

A novel electronic device including a flexible display is presented. The electronic device has a flexible display including an organic light emission diodes and a plurality of columnar bodies linked together.
Semiconductor Energy Laboratory Co., Ltd.

Light source device

A light source device includes: a laser diode bar comprising a plurality of strips configured to emit light in a wavelength region with a predetermined width; a light guiding part comprising a plurality of cores, each of which corresponds to a respective one of the plurality of strips, and on each of which light emitted from the respective one of the strips is incident; a diffraction grating on which light emitted from the cores is incident; and a resonator mirror on which light emitted from the diffraction grating is incident. The cores are disposed such that light emitted from the cores is incident on a region of the diffraction grating at different angles.
Nichia Corporation

Measurement of hydrocarbon fuel gas composition and properties from tunable diode laser absorption spectrometry

A tunable diode laser absorption spectrometer and a method of processing absorption spectra is used to measure concentrations of selected fuel gas components and calculate several fuel gas parameters, including heating value, relative density, compressibility, theoretical hydrocarbon liquid content and wobbe index. In the described incarnation, a tunable laser diode directs near-infrared light into an optical cavity through a sample of fuel gas.
Abb Schweiz Ag

Sensing system for bins

A sensing system for bins includes a bin with at least one light emitting diode operatively mounted to the bin. At least one receiver for detecting ir light from the at least one light emitting diode is also operatively mounted to the bin.
Akro-mils, A Division Of Myers Industries, Inc.

Projection optical system and object detection device

A projection optical system includes a laser diode; a laser diode module having a plurality of the laser diodes one-line arranged; a light projecting lens to adjust spread of light emitted from the respective laser diodes; and an optical deflector to deflect light passing through the light projecting lens and irradiate a target with the deflected light. The laser diodes emit light such that the light spreads at a first angle in a first direction and spreads at a second angle being wider than the first angle in a second direction being perpendicular to the first direction.
Omron Automotive Electronics Co., Ltd.

Flexible led filament

A flexible led filament comprises a plurality of light emitting diodes (leds) mounted to a flexible substrate configured with a length at least ten times a width and leds distributed substantially uniformly along the length. The length of the flexible substrate is disposed along a curved path, and the led filament looks substantially like an incandescent filament when lit.

Thienothiophene/dithienothiophene - triphenylamine/tetraphenylethylene derivatives for organic light emitting diodes

The present invention discloses new molecules having defined structures of a series of thienothiophene (tt), dithienothiophene (dtt) and their substituted derivatives with triphenylamine and tetraphenylethylene, light emitting devices of which are expected to be applied to organic light emitting diodes (oled).. .
Tubitak

Novel organic compound and oranic light-emitting diode comprising same background of the invention

Disclosed are an organic compound represented by any one of chemical formulas a to e and an organic light-emitting diode including the same. Chemical formulas a to e are as described in the specification..
Sfc Co., Ltd.

Capacitive discharge welding system

A capacitive discharge welding system includes at least one capacitive discharge-based power supply that is adapted to provide alternate polarity pulses from a first weld to a subsequent weld, and to be compatible with iron-core transformers used for alternating current resistance welding; at least one iron core transformer adapted to receive electrical discharges from the capacitive discharge-based power supply; a polarity switching network that includes at least two sets of silicon controlled rectifiers that are arranged in pairs for facilitating current flow in alternate directions; a pair of engagable, properly biased shunt diodes that are operative to shunt reflected current for protecting the silicon controlled rectifiers when the system is in use; and a control network configured for simultaneous engagement of the properly biased shunt diodes and firing the silicon controlled rectifiers for current flow; and tracking polarity for assuring that subsequent pulses use opposite direction current flow for preventing saturation of the iron core transformer.. .
Edison Welding Institute, Inc.

Enhanced led polymerization device

An enhanced led (light emitting diode) uv (ultra violet) polymerization device (10) suitable for being used for polymerizing resins, glues or inks applied on flat surfaces of panels, sheets, or coils made from wood or other materials, such as glass, plastic, metal, composite materials, paper, and cardboard, and on shaped surfaces of non-flat pieces made from wood or other materials, comprising a plurality of leds (16) of the uv type and wherein said leds (16) are organized into arrays or strings (17, 17′) arranged perpendicularly to or inclined with respect to the feeding direction of the piece to be submitted to polymerization, said arrays (17, 17′) of leds (16) being angularly orientable with respect to a horizontal plane either synchronously or independently to modify the radiation parameters of said leds (16), power level, distance from the panel or piece to be submitted to polymerization, and passage speed of the pieces being processed being equal.. .
Elmag S.p.a.

Method and system for upper pill-crushing-cup detection

A sensor detects the presence of an upper cup in a pair of cups, between which pills are crushed by machine. Operation of the crushing machine is prevented if the upper cup is absent, and enabled if the upper cup is present.
Cougar Mountain Marketing Corporation

Implantable wireless microstimulator for peripheral nerves

In one aspect, implantable wireless microstimulators are described herein. In some embodiments, a microstimulator described herein includes an energy harvesting circuit configured to receive an input signal and generate an electrical signal based on the received input signal.
Board Of Regents, The University Of Texas System

Cleaning and disinfecting cradle for virtual reality visors

Some embodiments of the present disclosure include a disinfecting/cleaning box for disinfecting and cleaning a virtual reality (vr) visor. The disinfecting/cleaning box may include a box body having an inner volume sufficient to accommodate the visor; a lid attached to the box body; a plurality of vents extending through walls of the box body; an air jet nozzle extending from at least one of the walls towards an interior of the box body; a pressurized air tube attached to the air jet nozzle, the pressurized air tube configured to provide pressurized air to be dispersed through the air jet nozzle toward the interior of the box body; and at least one ultraviolet (uv) light emitting diode (led) attached to an inner surface of the wall, the uv led configured to emit uv light toward the interior of the box body..

Therapeutic massage mat

A therapeutic massage mat is provided with one or more healing agents. The therapeutic massage mat includes: (i) a top layer, (ii) a middle layer, (iii) a bottom layer, (iv) an array of layered sheets, (v) one or more bags, (vi) one or more motors, and (vii) a velcro.

Light emitting diode (led) lighting device or lamp with configurable light qualities

An led lighting device or led lamp comprises one or more led packages, and a switch comprising at least two selectable positions. At least one selectable position corresponds to a set operating mode and one selectable position corresponds to a configurable operating mode.
Feit Electric Company, Inc.

Ac-dc single-inductor multiple-output led drivers

A single-stage ac-dc single-inductor multiple-output (simo) led driver uses a single inductor (l) to drive multiple independent led strings (341-34n) with power factor correction (pfc). The driver uses a diode bridge (20) to achieve initial ac to dc conversion.
Versitech Limited

Apparatus for synchronous driving of multi-channel light emitting diodes

Disclosed is an apparatus for synchronous driving of multi-channel light emitting diodes capable of driving all light emitting diodes at the same time regardless of an input voltage level. The apparatus includes: a rectification unit rectifying an ac voltage; a multi-channel light emitting diode unit including at least a first light emitting diode and a second light emitting diode, and being driven by receiving the rectified current; a current sensor unit sensing a current flowing in the first light emitting diode; a current mirror unit mirroring the current sensed by the current sensor, and supplying the mirrored current to the second first light emitting diode; and a sequential current driving unit connected to the first light emitting diode and the second light emitting diode, providing a path to a current flowing in the first light emitting diode or in the second light emitting diode, and activating the current sensor unit..
Point Tek Co., Ltd.

Image sensors having dark pixels

An imaging sensor may include an array of imaging pixels and at least two rows of dark pixels. Each imaging pixel may include a photodiode that generates charge in response to incident light.
Semiconductor Components Industries, Llc

Solid-state imaging device

A first pixel circuit has a plurality of photodiodes of different sizes. A second pixel circuit is connected to the first pixel circuit, and has a holding portion that holds a first optical signal and a second optical signal.
Jvc Kenwood Corporation

Integrated circuit with multiplexed pin and pin multiplexing method

The present invention provides an integrated circuit with a multiplexed pin and a pin multiplexing method. The multiplexed pin of the integrated circuit extends out with two connecting ends to receive two logic level signals which are finally restored in a chip.
Joulwatt Technology (hangzhou) Co., Ltd.

Degenerated transimpedance amplifier with wire-bonded photodiode for reducing group delay distortion

An integrated circuit includes a degeneration network configured to improve group delay across one or more variations, wherein the degeneration network includes a transimpedance amplifier with one or more degeneration inductors. The transimpedance amplifier further includes one or more transistors, and the one or more degeneration inductors are connected after at least one emitter of the one or more transistors..
International Business Machines Corporation

Organic light emitting diode display device comprising capping layer

An organic light emitting diode display device includes a substrate, an organic light emitting diode on the substrate and a capping layer on the organic light emitting diode. The capping layer includes metal iodide selected from alkali metal iodide and alkaline-earth metal iodide.
Samsung Display Co., Ltd.

Organic light emitting diode display device

The present disclosure relates to an organic light emitting diode display device including: a substrate having an emitting area and a non-emitting area; an insulating layer on the substrate, the insulating layer including a plurality of convex portions, a plurality of connecting portions and at least one wall in the emitting area, a height of the at least one wall is greater than a height of the plurality of convex portions; a first electrode on the substrate; an emitting layer on the first electrode; and a second electrode on the emitting layer, the first electrode, the emitting layer and the second electrode constituting a light emitting diode.. .
Lg Display Co., Ltd.

Organic light emitting display

Provided is an organic light emitting display comprising: a substrate including a light emitting zone and a non-light emitting zone, which is positioned around the outside of the light emitting zone; at least one organic light emitting diode formed on the light emitting zone; an encapsulation layer for sealing the organic light emitting diode; and a dam formed on the non-light emitting zone, wherein the encapsulation layer includes a structure in which at least one inorganic layer and at least one organic layer are alternatingly stacked, wherein the organic layer is made from a display sealing material composition, and wherein the display sealing material composition comprises a photo-curable monomer and a photopolymerization initiator. The photo-curable monomer comprises: a monomer not having an aromatic hydrocarbon group; and a monomer, represented by chemical formula 1, having at least two substituted or non-substituted phenyl groups, wherein the photo-curable monomer comprises approximately 5 wt.
Samsung Sdi Co., Ltd.

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

An organic light emitting diode includes an emitting material layer including first and second layers; a first electrode on a side of the emitting material layer; and a second electrode on the other side of the light emitting material layer and facing the first electrode, wherein the first layer includes a first compound, and the second layer includes a second compound, wherein the first compound has a difference, between a singlet energy and a triplet energy, less than 0.3 ev, and wherein the singlet energy of the first compound is greater than a singlet energy of the second compound.. .
Lg Display Co., Ltd.

Substrate of light emitting diode, manufacturing the same, and organic light emitting diode

A substrate of an organic light emitting diode (oled) is disclosed. The diode comprises: flexible substrate; a metal layer formed on a first surface of the flexible substrate; a first passivation layer formed on a surface of the metal layer away from the first surface; and a second passivation layer formed on a second surface of the flexible substrate; wherein, the second surface is opposite to the first surface.
Shenzhen China Star Optoelectronics Technology Co., Ltd.

Transition metal complexes with carbene ligands and the use thereof in oleds

To oleds (organic light-emitting diodes) which comprise such complexes, to a device selected from the group consisting of illuminating elements, stationary visual display units and mobile visual display units comprising such an oled, to the use of such a metal-carbene complex in oleds, for example as emitter, matrix material, charge transport material and/or charge or exciton blocker.. .

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

An organic light emitting diode and an organic light emitting display device using the organic compound. The organic compound of the present invention is capable of reducing a driving voltage of an organic light emitting diode and improving an emitting efficiency and a lifetime of the organic light emitting diode and the organic light emitting display device including the organic compound..

Organic light-emitting diode display device based on an inkjet printing technology and manufacturing the same

An oled display device based on inkjet printing technology and a manufacturing method are disclosed. The device includes: a glass substrate, and a metal layer, an anode layer, a bank layer, an organic light-emitting layer and a cathode layer sequentially disposed on the glass substrate; wherein, an area of the metal layer covering on the glass substrate is provided with three opening regions to reveal the glass substrate corresponding to the three opening regions; an area of the bank layer covering on the anode layer is provided with a fourth opening region to reveal the anode layer corresponding to the fourth opening region; the organic light-emitting layer is disposed inside the fourth opening region; wherein, a hydrophobic material layer is disposed on a surface of the bank layer in parallel with the glass substrate.
Shenzhen China Star Optoelectronics Technology Co. , Ltd.

Heat dissipating plate device for light emitting diode, head lamp for automobile and preparing the same

A heat dissipating plate for a light emitting diode (led) includes a metal thin film containing a hydroxyl functional group (—oh). A coating layer is disposed on at least one surface of the metal thin film and includes a carbon nanotube containing a hydrophilic functional group.
The Board Of Regents Of The Nevada System Of Higher Education On Behalf Of The University Of Ne

Uv light emitting diode

Disclosed herein is a uv light emitting diode. The uv light emitting diode includes a first conductive type semiconductor layer; a first stress adjustment layer disposed on the first conductive type semiconductor layer, and including a first nitride layer including al and a second nitride layer disposed on the first nitride layer and having a lower al composition ratio than the first nitride layer; an active layer disposed on the first stress adjustment layer; and a second conductive type semiconductor layer disposed on the active layer, wherein the first stress adjustment layer includes an al delta layer inserted in the first nitride layer, and a lower surface of the first nitride layer in which the al delta layer is inserted has greater average tensile stress than a lower surface of the second nitride layer directly disposed on the first nitride layer..
Seoul Viosys Co., Ltd.

Micro light emitting diode and manufacturing method thereof

A μled including an epitaxial stacked layer, a first electrode and a second electrode is provided. The epitaxial stacked layer includes a first type doped semiconductor layer, a light emitting layer and a second type doped semiconductor layer.
Genesis Photonics Inc.

Semiconductor device and manufacturing the same

A provided semiconductor device includes a ge photodiode having proper diode characteristics. A groove is provided on a germanium growth protective film, a p-type silicon layer, and a first insulating film from the top surface of the germanium growth protective film without reaching the major surface of a semiconductor substrate.
Renesas Electronics Corporation

Semiconductor device and manufacturing the same

A semiconductor device including a field-effect transistor having source and drain source regions, first and second gate electrodes and a protective diode connected to the transistor. The first gate electrode is formed over a first gate insulating film in a lower part of a trench.
Renesas Electronics Corporation

Schottky barrier diode and manufacturing the same

A schottky barrier diode includes an epitaxial layer of a first conductivity type and located on a substrate, a first well of a second conductivity type and positioned on the first conductive epitaxial layer, a plurality of first conductive layers disposed on a surface of the substrate including the first well, the first conductive layers being spaced apart from each other, an impurity region of the second conductivity type, located on the first well and disposed spaced apart outwardly from the first conductive layers and a second conductive layer located on the impurity region. The schottky barriers disclosed improve electrical field handling and obviate the need for a p-type barrier..
Dongbu Hitek Co., Ltd.

Organic electroluminescent display device

Disclosed herein is an electroluminescent display device capable of improving reliability of a contact portion between low-potential supply line and a cathode electrode of an organic light emitting diode. The electroluminescent display device includes a low potential voltage supply line disposed on a display panel to supply a low potential voltage to the display panel; a cathode electrode overlapped with the low potential voltage supply line and having at least one contact portion; and an auxiliary cathode electrode overlapped with the low potential voltage supply line and the cathode electrode to connect the low potential voltage supply line to the cathode electrode, wherein a bank layer is disposed between the cathode electrode and the auxiliary cathode electrode to cover a rim of the auxiliary cathode electrode, or the cathode electrode covers a rim of the auxiliary cathode electrode and an inorganic insulation layer..
Lg Display Co., Ltd.

Display with power supply mesh

An organic light-emitting diode display may have an array of pixels. The pixels may each have an organic light-emitting diode with a respective anode and may be formed from thin-film transistor circuitry formed on a substrate.
Apple Inc.

Method for producing a light-emitting diode display and light-emitting diode display

In at least one embodiment, the method is designed for producing a light-emitting diode display (1). The method comprises the following steps: •a) providing a growth substrate (2); •b) applying a buffer layer (4) directly or indirectly onto a substrate surface (20); •c) producing a plurality of separate growth points (45) on or at the buffer layer (4); •d) producing individual radiation-active islands (5), originating from the growth points (45), wherein the islands (5) each comprise an inorganic semiconductor layer sequence (50) with at least one active zone (55) and have a mean diameter, when viewed from above onto the substrate surface (20), between 50 nm and 20 μm inclusive; and •e) connecting the islands (5) to transistors (6) for electrically controlling the islands (5)..
Osram Opto Semiconductors Gmbh

Stacked backside illuminated spad array

A back-illuminated single-photon avalanche diode (spad) image sensor includes a sensor wafer stacked vertically over a circuit wafer. The sensor wafer includes one or more spad regions, with each spad region including an anode gradient layer, a cathode region positioned adjacent to a front surface of the spad region, and an anode avalanche layer positioned over the cathode region.
Apple Inc.

Image sensors with infrared-blocking layers

An image sensor may include an infrared radiation-blocking layer. The infrared radiation-blocking layer may block infrared radiation from reflecting off of metal layers formed beneath pixel structures in the image sensor so that the reflected light does not reach the photodiodes.
Semiconductor Components Industries, Llc

Solid-state image pickup device

A solid-state image pickup device 1 according to the present invention includes a semiconductor substrate 2 on which a pixel 20 composed of a photodiode 3 and a transistor is formed. The transistor comprising the pixel 20 is formed on the surface of the semiconductor substrate, a pn junction portion formed between high concentration regions of the photodiode 3 is provided within the semiconductor substrate 2 and a part of the pn junction portion of the photodiode 3 is extended to a lower portion of the transistor formed on the surface of the semiconductor substrate 2.
Sony Corporation

Stacked backside illuminated spad array

A back-illuminated single-photon avalanche diode (spad) image sensor includes a sensor wafer stacked vertically over a circuit wafer. The sensor wafer includes one or more spad regions, with each spad region including an anode gradient layer, a cathode region positioned adjacent to a front surface of the spad region, and an anode avalanche layer positioned over the cathode region.
Apple Inc.

Ultraviolet (uv) schottky diode detector having single crystal uv radiation detector material bonded directly to a support structure with proper c-axis orientation

A radiation detector for detecting ultraviolet energy having a single crystal uv radiation detector material and an amorphous support layer disposed directly on the single crystal uv radiation detector material with the single crystal uv radiation detector material having a c-axis aligned along a direction of the ultraviolet energy being detected.. .
Raytheon Company

Semiconductor devices and methods for forming a semiconductor device

A semiconductor device includes a transistor arrangement and a diode structure. The diode structure is coupled between a gate electrode structure of the transistor arrangement and a source electrode structure of the transistor arrangement.
Infineon Technologies Dresden Gmbh

Transient voltage suppressor and manufacturing the same

Disclosed a transient voltage suppressor and a method for manufacturing the same. According to the transient voltage suppressor, an additional gate stack layer is introduced based on the prior transient voltage suppressor, and the diffusion isolation regions are reused as the conductive vias, so that, the gate stack layer, the first doped region, the conductive vias, and the second semiconductor layer constitute a mos transistor being coupled in parallel to the zener diode or the avalanche diode of the transient voltage suppressor.
Silergy Semiconductor Technology (hangzhou) Ltd.

Power semiconductor module

The present invention relates to a power semiconductor module, comprising at least two power semiconductor devices, wherein the at least two power semiconductor devices comprise at least one power semiconductor transistor and at least one power semiconductor diode, wherein at least a first substrate is provided for carrying the power semiconductor transistor in a first plane, the first plane lying parallel to the plane of the substrate, wherein the power semiconductor diode is provided in a second plane, wherein the first plane is positioned between the substrate and the second plane in a direction normal to the first plane and wherein the first plane is spaced apart from the second plane in a direction normal to the first plane. The first plane is spaced apart from the second plane in a direction normal to the first plane, whereby the first substrate is based on a direct bonded copper substrate and the first substrate is a direct-bonded copper substrate for carrying the transistor, on which first substrate a layer of a printed circuit board is provided for carrying the diode.
Abb Schweiz Ag

Methods and systems for using a light emitting diode to switch a device on and off

An on/off switching circuit includes an on/off switch switchable between an on state and an off state, an light emitting diode (led) driver to power one or more leds to illuminate an area of interest, a switch control unit to transition the on/off switch between the on and off states, the switch control unit including a light sensing circuit comprising at least one led of the leds as a light sensor, and a bi-directional gate circuit. When the on/off switch is in the off state the bi-directional gate is in a first conducting state in which the bi-directional gate circuit connects the light sensor to the light sensing circuit, and when the on/off switch is in the on state the bi-directional gate is in a second conducting state in which the bi-directional gate connects the led driver to the one or more leds including the light sensor..
Given Imaging Ltd.

Threshold voltage hysteresis compensation

Electronic devices, storage medium containing instructions, and methods pertain to determining a target boosted threshold voltage level based at least in part on a target emission threshold voltage level. Using the determined target boosted threshold voltage level, a light emitting diode (led)-controlling transistor is submitted to voltage stress to boost a threshold voltage of the transistor to the target boosted threshold voltage level during a first portion of a refresh period between first and second emission periods.
Apple Inc.

Pixel unit structure of organic light emitting diode display panel and driving mechanism thereof

A pixel unit structure of an organic light emitting diode display panel includes a switch transistor, a storage capacitor, an organic light emitting diode, a driving transistor, a first control circuit, and a second control circuit. The organic light emitting diode is controlled by the driving transistor and the first control circuit to emit light.
Hon Hai Precision Industry Co., Ltd.

Method, circuit and display device for driving an organic light emitting diode

A method, a circuit and a display device for driving an organic light emitting diode, wherein a driving transistor (dtft) for driving a display element is turned off by jumping one or more of a reference voltage input (vref), a reset voltage input (vinit) and a data signal input (vdata) before beginning to output an el high level (elvdd) of a pixel compensation circuit and after beginning to output an el low level (elvss), to overcome the splash screen phenomenon during power-up and direct current-direct current driving failure.. .
Boe Technology Group Co., Ltd.

Device with oled matrix of active pixels with cathode voltage regulation, and corresponding method

A device includes a matrix of active pixels, with each active pixel having an oled diode having a cathode to receive a cathode voltage, and a control circuit coupled to an anode of the oled diode. The device also includes at least one dummy pixel having a dummy oled diode having a cathode to receive the cathode voltage, and an anode, and a dummy control circuit coupled to the anode of the oled diode and having a power supply terminal.
Stmicroelectronics International N.v.

Micro light emitting diode testing

Methods and systems for testing a display having an array of microdrivers arranged in multiple of rows and columns including setting a testing mode of a microdriver of the array of microdrivers using multiple pins of the microdriver that are used in scanning or operation modes of the microdriver. The microdriver is configured to light one or more connected micro light emitting diode pixels coupled to the microdriver during the testing mode.

Panel testing unit, array substrate and liquid crystal display device

A panel testing unit is provided, an array substrate including the panel testing unit and a liquid crystal display device including the array substrate. The panel testing unit includes at least a shorting bar set, each shorting bar set including at least a shorting line; at least a signal line set, each signal line set including at least a signal line.
Shenzhen China Star Optoelectronics Technology Co., Ltd.

Method, device, and system for fault unit indication

Embodiments of the present disclosure relate to a solution for fault unit indication. In some embodiments, there is provided a method for positioning a fault unit.
Emc Ip Holding Company Llc

Organic light emitting diode ("oled") display with quick service terminal ("qst") functionality

Aspects of the invention relate to an oled bank teller carrel with an integrated qst. The bank teller carrel may include a user-facing counter.
Bank Of America Corporation

Image capturing apparatus, system and method

An apparatus includes time of flight single-photon avalanche diode (tof spad) circuitry. The tof spad circuitry generates indications of distance between the apparatus and an object within a field of view.
Stmicroelectronics, Inc.

De-rotating mechanism for off-axis fiber optic rotary joint

The current invention is to disclose a de-rotating mechanism for off-axis fiber optic rotary joints. Dove prism is a de-rotating mechanism and is widely used for on-axis fiber optic rotary joints.
Princetel, Inc.

Distance measuring device

A technique for decreasing attenuation of emitted pulsed light with a pulse width of 2 ns or less is provided. A light emitting circuit configured to emit pulsed light includes a boosting block, a laser diode, a wiring, a charge capacitor with its end connected to the wiring, and a switching element configured to be turned on or off to apply voltage to the laser diode.
Topcon Corporation

Methods and mitigation of current reversal in capillary zone electrophoresis-electrospray device

The combined capillary electrophoresis electrospray mass spectrometry apparatus has a circuit to handle excess current allows separations under a wide range of electrophoretic conditions. The apparatus includes an electrospray with an emitter and an electrospray interface connected with a separation capillary configured to transport a sample with an injection end and a distal end.
University Of Notre Dame Du Lac

Optical detector for a particle sorting system

An optical system for acquiring fast spectra from spatially channel arrays includes a light source for producing a light beam that passes through the microfluidic chip or the channel to be monitored, one or more lenses or optical fibers for capturing the light from the light source after interaction with the particles or chemicals in the microfluidic channels, and one or more detectors. The detectors, which may include light amplifying elements, detect each light signal and transducer the light signal into an electronic signal.
Cytonome/st, Llc

Spectroscopic module control method

A method of controlling a spectroscopic module that includes a measurement light source, a variable-wavelength optical filter, a photodiode, and a conversion circuit for converting a drive signal voltage into a gap displacement amount. The spectroscopic module has a reference light source for emitting a reference light beam of a known wavelength.
Panasonic Corporation

Lighting device generating stripe segmented beam for a motor-vehicle headlamp

A motor-vehicle lighting device including a plurality of primary optical elements, intermediate lenses, and a curved projecting lens. Each primary optical element has a curved exit refracting surface and comprises a plurality of rectangular light guides that are each intended to interact with one light-emitting diode one laser.
Valeo Vision

Light tube and power supply circuit

A replacement light tube for replacing a fluorescent light tube includes a bulb portion extending between a first end and a second end, the bulb portion comprising a support structure, a plurality of white light emitting diodes (leds) and an elongate light-transmissive cover. The support structure has a first surface extending between the first end and the second end.
Ilumisys, Inc.

Benzimidazolo[1,2-a]benzimidazole carrying aryl- or heteroarylnitril groups for organic light emitting diodes

Novel benzimidazolo[1,2-a]benzimidazoles carrying aryl- or heteroarylnitril groups, an electronic device, comprising said novel benzimidazolo[1,2-a]benzimidazoles carrying aryl- or het-eroarylnitril groups, which is preferably an electroluminescent device, a charge transport layer, a charge/exciton blocker layer, or an emitting layer comprising said novel benzimidazolo[1,2-a]benzimidazoles carrying aryl- or heteroarylnitril groups, an apparatus selected from the group consisting of stationary visual display units; mobile visual display units; illumination units; key-boards; items of clothing; furniture; wallpaper, comprising said organic electronic device, or said charge transport layer, said charge/exciton blocker layer, or said emitting layer.. .
Idemitsu Kosan Co., Ltd.

Integrated circuit (ic) chip with a self-contained fluid sensor and making the chip

An integrated circuit (ic) chip with a self-contained fluid sensor and method of making the chip. The sensor is in a conduit formed between a semiconductor substrate and a non-conductive cap with fluid entry and exit points through the cap.
U.s.a. As Represented By The Administrator Of The National Aeronautics And Space Administration

Light emitting diode component

In a lighting package, a printed circuit board supports at least one light emitting die. A light transmissive cover is disposed over the at least one light emitting die.
Wirrapunga Pty Ltd

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National Cheng Kung University

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Control of pixel addressable led strips

A system of control of interconnected signal emitters comprises controller modules, microcontrollers, electronic drivers and signal emitters. The connection input of each electronic driver is connected to the output of another electronic driver or to the output of a microcontroller, and the single output of each electronic driver is connected to the single connection input of another electronic driver or to the output of a microcontroller; each electronic driver being part of a driver chain between controller modules.
Centre National De La Recherche Scientifique

Load control device for a light-emitting diode light source having different operating modes

A load control device for regulating an average magnitude of a load current conducted through an electrical load may operate in different modes. The load control device may comprise a control circuit configured to activate an inverter circuit during an active state period and deactivate the inverter circuit during an inactive state period.
Lutron Electronics Co., Inc.

Led video cabinet having a native 16:9 aspect ratio

A light-emitting-diode (led) video cabinet having a native 16:9 aspect ratio is provided. One embodiment comprises a rectangular frame having a 16:9 aspect ratio; a video display portion mounted to the frame, the video display portion having width and height dimensions such that the video display portion natively displays video information in a 16:9 aspect ratio without a need for aspect-ratio conversion of a video input signal, the video display portion including at least four led video modules; a video receiving card mounted to the frame, the video receiving card receiving the video input signal and transmitting the video information to the video display portion; and a power supply mounted to the frame, the power supply providing electrical power to the video receiving card and the video display portion.
Aeson Led Display Technologies, Inc.

Image sensors with stacked photodiodes

Electronic devices may include high dynamic range (hdr) complementary metal-oxide-semiconductor (cmos) image sensor arrays that are illuminated from the back side of the substrate and operate in a rolling shutter (rs) scanning mode. An image sensor may include stacked chips to improve image sensor performance.
Semiconductor Components Industries, Llc

Systems, devices, and methods for photonic to radio frequency downconversion

A system, method, and device for rf upconversion. The system can include a laser, two eams, a photonic filter, a photonic service filter, two photodiodes, and a mixer.
Lockheed Martin Corporation

Semiconductor device and controlling semiconductor device

A semiconductor device comprises a first transistor with a silicon carbide layer between the source and the drain electrodes and between the gate and drain electrodes. A diode is formed in the silicon carbide layer.
Kabushiki Kaisha Toshiba

Power conversion device

A power conversion device includes a first switch and a second switch connected in series between a positive electrode and a negative electrode of a first power supply. A first node is between the first and second switches.
Kabushiki Kaisha Toshiba

Multl-level power converter and related methods

A variable-level flyback power converter is configured to provide an accurate output voltage at various regulation levels. The variable-level flyback power converter may include a switch coupled to a secondary winding of a transformer, a diode coupled to a primary winding of the transformer, and a controller coupled to the switch.
Dialog Semiconductor Inc.

Resistorless precharging

A boost pfc converter includes a rectifier, a converter and an output stage comprising an output capacitor where the dc output voltage is provided across the output capacitor. The rectifier includes four rectifying elements connected in a full bridge configuration where the upper two of these four rectifying elements are thyristors and where the lower two are diodes.
Det International Holding Limited

Charger circuit and capacitive power conversion circuit and reverse blocking switch circuit thereof

A charger circuit for providing a charging current and voltage to a battery includes a power delivery unit, a capacitive power conversion circuit and a reverse blocking switch circuit. The power delivery unit converts an input power to a dc voltage and current.
Richtek Technology Corporation

Low power edge-emitting laser diode and laser diode module

A low power, side-emitting semiconductor laser diode is provided. The laser diode is formed from a semiconductor heterostructure having an active layer sandwiched between an n-type layer and a p-type layer, wherein the active layer forms a gain medium of width w.
Exalos Ag

Apparatus

A driver circuit is configured to pass a current. The circuit includes a first transistor connected in series with the laser diode, and configured to regulate the current.
Stmicroelectronics (research & Development) Limited

Cryogenic cooling of diode laser with coolant recovery

A laser system includes a plurality of diode lasers, a cryogenic cooling system circulating a cryogenic coolant and coupled to the plurality diode lasers to cool the plurality of diode lasers with the cryogenic coolant, and a fuel cell coupled to the plurality of diode lasers to power the plurality of diode lasers and situated to receive the cryogenic coolant from the cryogenic cooling system as fuel for the fuel cell. A method of operating a high power laser system includes cooling a plurality of diode lasers with a cryogenic cooling system circulating a cryogenic coolant, fueling a fuel cell with a portion of the cryogenic coolant circulating in the cryogenic cooling system, and powering the plurality of diode lasers with power generated by the fuel cell..
Nlight Photonics Corporation

Apparatus and forming chip package with waveguide for light coupling

An apparatus and method of forming a chip package with a waveguide for light coupling is disclosed. The method includes depositing an adhesive layer over a carrier.
Taiwan Semiconductor Manufacturing Company, Ltd.

Laser diode

A laser diode has a layer arrangement including a first layer structure extending along a z axis in a longitudinal direction, along an x axis in a transverse direction and along a y axis in a height direction, and a second and third layer structure arranged along the z axis on opposite longitudinal sides of the first layer structure and adjoining the first layer structure, wherein the active zone of the first layer structure is arranged offset in height relative to the active zones of the second and third layer structures, and an intermediate layer is arranged laterally with respect to the first layer structure in the second and third layer structures, the intermediate layer configured as an electrically blocking layer that hinders or prevents a current flow, and the intermediate layer being arranged between the active zone and an n contact.. .
Osram Opto Semiconductors Gmbh

Two-dimensional multi-beam stabilizer and combining systems and methods

A system and method for stabilizing and combining multiple emitted beams into a single system using both wbc and wdm techniques.. .
Teradiode, Inc.

Organic light-emitting diode display device including a thin film encapsulation layer

A display device includes: a substrate; an organic light-emitting diode positioned above the substrate; and a thin film encapsulation layer disposed on the organic light-emitting diode. The thin film encapsulation layer includes: at least one inorganic layer; and at least one organic layer disposed on the at least one inorganic layer.
Samsung Display Co., Ltd.

Organic light emitting diode structure

An organic light emitting diode (oled) having an organic electroluminescent layer formed between a first electrode and a second electrode. One of the first and second electrodes is a transparent electrode having a surface through which light is emitted from the oled to the outside.
Lomox Limited

Display apparatus

A display apparatus includes: a substrate; a first electrode; an insulating film including an opening that extends to at least the central portion of the first electrode; a light-emitting diode disposed on the first electrode and including a first pad electrically connected to the first electrode; a reflective film disposed on the insulating film so as to cover at least a portion of an inner surface of the opening; and a light path guide layer disposed on the insulating film so as to cover at least a portion of the reflective film and including a plurality of holes or a plurality of grooves on the top surface. In one embodiment, the display apparatus improves the light extraction efficiency of the light-emitting diode..
Samsung Display Co., Ltd.

Method of forming an organic light-emitting diode display device having an extension line crossing second signal lines

Disclosed is a display device having a display panel that includes a plurality of pixels in a display area, each pixel including a first thin film transistor (tft); a plurality of pads in a non-display area outside the display area that provide operating signals to the plurality of pixels in the display area, each pad including a first signal line running toward the display area and a second signal line running toward an outer edge of the display panel, with each pad disposed between the first and second signal lines; and an extension line crossing one or more of second signal lines of the plurality of pads, two ends of the extension line running toward the outer edge of the display panel, wherein each of the one or more of second signal lines of the plurality of pads includes an active layer of a second tft.. .
Lg Display Co., Ltd.

Light emitting diode chip and a the manufacture of a light emitting diode chip

A method for the manufacture of a light-emitting diode (led) chip, the method comprising providing a first substrate; forming an led structure on the first substrate, wherein the led structure has a first surface adjacent the first substrate and a second surface opposite the first substrate; applying a second substrate on the second surface of the led structure; and selectively etching the first substrate from the led structure to form one or more walls extending from the first surface of the led structure.. .
Plessey Semiconductors Limited

Semiconductor device

To achieve a high-reliability germanium photoreceiver. A photoreceiver portion of a germanium photoreceiver comprised of a p type silicon core layer, an i type germanium layer, and an n type silicon layer is covered with a second insulating film and from a coupling hole formed in the second insulating film, a portion of the upper surface of the photoreceiver portion is exposed.
Renesas Electronics Corporation

Silicon-based visible and near-infrared optoelectric devices

In one aspect, the present invention provides a silicon photodetector having a surface layer that is doped with sulfur inclusions with an average concentration in a range of about 0.5 atom percent to about 1.5 atom percent. The surface layer forms a diode junction with an underlying portion of the substrate.
President And Fellows Of Harvard College

Diode structure of a power semiconductor device

A power semiconductor device includes a semiconductor body coupled to first and second load terminals. The body includes: at least a diode structure configured to conduct a load current between the terminals and including an anode port electrically connected to the first load terminal and a cathode port electrically connected to the second load terminal; and drift and field stop regions of the same conductivity type.
Infineon Technologies Ag

Organic light emitting diode display device and manufacturing the same

An oled display device includes a display area of a substrate to display images; a non-display area surrounding the display area and applying signals to pixels within the display area; a first thin film transistor formed in the non-display area of the substrate; a second thin film transistor formed in the display area of the substrate; a planarization film formed over the first and second thin film transistors; a first electrode formed on the planarization film in the non-display area and formed with at least one first opening; a second electrode formed on the planarization film and connected to a electrode of the second thin film transistor; a bank pattern formed on the second electrode and the first electrode and exposing a part of the second electrode. The bank pattern is adjacent to the first electrode..
Lg Display Co., Ltd.

Light emitting diode display device

The present disclosure relates to a light emitting diode display device, and a light emitting diode display device according to an exemplary embodiment includes: a substrate; a semiconductor disposed on the substrate; a gate electrode disposed on the semiconductor; an interlayer insulating layer disposed on the substrate and the gate electrode; source and drain electrodes disposed on the interlayer insulating layer and connected to the semiconductor; a first slit provided in the interlayer insulating layer; and a first wire disposed on the interlayer insulating layer and configured to overlap the first slit.. .
Samsung Display Co., Ltd.

Large area display and making same

A large area active-matrix organic light-emitting diode microdisplay and method for fabricating the same is provided which includes a panel having resolution of greater than 2,000 pixels per inch and a size of 1.4 or more inches for supporting the needs of virtual reality and augmented reality application.. .
Emagin Corporation

Organic light emitting diode display device

An organic light emitting diode display device includes a substrate having pixel areas which are defined in a matrix form in first and second directions intersecting each other; a plurality of first electrodes each arranged in the corresponding pixel areas; a first bank having at least one first opening through which at least part of the first electrode is exposed; a second bank covering a part of the first bank and having at least one second opening through which at least part of the first electrode is exposed; and an organic emission layer disposed in the first opening. The second opening extends in the first direction so that the plurality of first electrodes arranged in the first direction is exposed through the second opening..
Lg Display Co., Ltd.

Display panel and display apparatus having the display panel

A display panel includes a flexible electrochromic substrate comprising a first flexible substrate layer, a second flexible substrate layer opposing to the first flexible substrate layer and an electrochromic part disposed between the first and second flexible substrate layers and configured to discolor in response to a driving signal, a transistor layer disposed on the flexible electrochromic substrate, the transistor layer comprising a plurality of transistors and an organic light emitting diode layer disposed on the flexible electrochromic substrate on which the transistor layer is disposed, the organic light emitting diode layer comprising a plurality of organic light emitting diodes connected to the plurality of transistors.. .
Samsung Display Co., Ltd.

Organic light emitting diode display

An organic light emitting diode display includes: a substrate; a driving wire disposed on the substrate; a color filter disposed on the driving wire, where the color filter includes a blue color filter, a red color filter, and a green color filter formed on the driving wire; and an organic light emitting diode disposed on the color filter, where a width of the blue color filter is greater than a width of the red color filter or the green color filter.. .
Samsung Display Co., Ltd.

Image sensor with improved quantum efficiency for infrared radiation

An integrated image sensor with backside illumination includes a pixel. The pixel is formed by a photodiode within an active semiconductor region having a first face and a second face.
Stmicroelectronics (crolles 2) Sas

Optimized configurations to integrate steering diodes in low capacitance transient voltage suppressor (tvs)

A transient-voltage suppressing (tvs) device disposed on a semiconductor substrate including a low-side steering diode, a high-side steering diode integrated with a main zener diode for suppressing a transient voltage. The low-side steering diode and the high-side steering diode integrated with the zener diode are disposed in the semiconductor substrate and each constituting a vertical pn junction as vertical diodes in the semiconductor substrate whereby reducing a lateral area occupied by the tvs device.
Alpha And Omega Semiconductor Incorporated

Light emitting diode package and light emitting diode module

A light emitting diode package including a housing, a first light emitting diode chip and a second light emitting diode chip disposed in the housing, and a wavelength conversion part including a phosphor configured to absorb light emitted from the first light emitting diode chip and emit light having a different wavelength than the light emitted from the first light emitting diode chip, in which the light emitted from the first light emitting diode chip has a shorter wavelength than light emitted from the second light emitting diode chip, and the phosphor has a fluorescence intensity of 10 or less at a peak wavelength of light emitted from the second light emitting diode chip, with reference to a maximum fluorescence intensity of 100 at a wavelength of 425 nm to 475 nm on an excitation spectrum of the second light emitting diode chip.. .
Seoul Semiconductor Co., Ltd.

Liquid crystal devices (lcds) and the organic light emitting diodes (oleds ) compensation circuits thereof

The present disclosure relates to a liquid crystal device and the compensation circuit for organic light emitting diodes (oleds) thereof. The compensation circuit of the oled includes a first switch unit, a second switch unit, a third switch unit, and a fourth switch unit.
Shenzhen China Star Optoelectronics Technology Co., Ltd.

Amoled pixel driving circuit and pixel driving method

Disclosed are an amoled pixel driving circuit and a pixel driving method. The amoled pixel driving circuit utilizes the 4t2c structure, and comprises: a first thin film transistor (t1), a second thin film transistor (t2), a third thin film transistor (t3), a fourth thin film transistor (t4), a first capacitor (c1), a second capacitor (c2) and an organic light emitting diode (d1); the nth scan signal (scan(n)) and the n+1th scan signal (scan(n+1)) are combined with each other, and correspond to a threshold voltage sensing stage, a holding stage, a programming stage and a drive stage one after another.
Shenzhen China Star Optoelectronics Technology Co., Ltd.

System and external pixel compensation

An electronic device includes a display panel. The display panel includes a plurality of pixels, each of which includes a driving thin-film-transistor (tft) configured to receive driving data related to the operation of a respective pixel and a light-emitting diode configured to emit light based on the driving data provided to the tft.
Apple Inc.

Organic light emitting diode display device

An organic light emitting diode (oled) display device includes an oled display panel having gate lines, data lines intersecting the gate lines, and a plurality of pixels connected to the gate lines and the data lines. A timing controller receives an image signal of a plurality of frames and outputs image data based on the plurality of frames.
Samsung Display Co., Ltd.

System of sensing amoled pixel driving property and amoled display device

The present invention provides a system of sensing amoled pixel driving property and an amoled display device. In the sensing stage, the anode voltage of the organic light emitting diode and the output voltage of the variable negative voltage source (21) in the amoled pixel driving circuit (10) are coupled to the voltage addition circuit (22), and the voltage addition circuit (22) inputs the sum up result to the analog to digital converter (23), and because the variable negative voltage source (21) adjusts according to a change of the anode voltage of the organic light emitting diode, and the variable negative voltage source (21) and the voltage addition circuit (22) act together, and then an input voltage of the analog to digital converter (23) can be adjusted to make the input voltage always be in a sensing range of the analog to digital converter (23)..
Shenzhen China Star Optoelectronics Technology Co., Ltd.

Programmable education device

A programmable device configured for education and entertainment is described. In one embodiment, the programmable device includes a circuit board with a magnetic reed switch and a plurality of light emitting diodes (leds), speakers, and other electronic components.
Fuze Interactive, Inc.

Visible light communication of an access credential in an access control system

Techniques are disclosed relating to communication of authentication information in an access control system. Authentication information is transmitted to an electronic locking device configured to restrict access to an entry point of the access control system.
Videx, Inc.

Optical films for electronic device displays

A display may include an optical film to promote sunglass-friendly viewing of the display. Displays may include linear polarizers.
Apple Inc.

Electronic device with light diffuser

An electronic device may have an optical system that includes one or more light-based components. The light-based components may include light-emitting components such as light-emitting diodes or lasers and may include light-detecting components such as photodiodes or digital image sensors.
Apple Inc.

Quantum dot light source and quantum dot backlight module

A quantum dot light source and a quantum dot backlight module are disclosed. The quantum dot light source includes a light strip including a circuit board and multiple light-emitting diodes, wherein an outer side surface of the circuit board is concave to provide multiple receiving chambers, the receiving chambers are used to install the light-emitting diodes, and the light-emitting diodes do not exceed the outer side surface of the circuit board, and a quantum dot film covering on the receiving chambers of the circuit board.
Shenzhen China Star Optoelectronics Technology Co., Ltd.

Light emitting diode array optical cup structure with focal position

A light emitting diode (led) array optical cup structure with a focal position includes a substrate, at least three reflective optical cups disposed on the substrate, and a plurality of leds in a quantity corresponding to the reflective optical cups. The reflective optical cups are arranged closely side by side to form a geometric shape, and each is tapered downwards to form a cone-shaped accommodating space including an opening.
Excellence Opto. Inc.

Led module

A light emitting diode (led) module includes a base that is conductive and is selectively covered with an insulative layer. The base can include a connecting flange and a light emitting region.
Molex, Llc

Evaporation mask, patterning substrate using the same, and display substrate

An evaporation mask is disclosed. The evaporation mask includes a mask frame, a set of first mask strips arranged on the mask frame along a first direction, and a set of second mask strips arranged on the set of first mask strips along a second direction different from the first direction.
Hefei Xinsheng Optoelectronics Technology Co., Ltd

Led driven plasmonic heating nucleic acids amplification

Systems and methods for plasmonic heating by combined use of thin plasmonic film-based 2d and 3d structures and a light-emitting diode (led) for nucleic acids amplification through fast thermal cycling of polymerase chain reaction (pcr) are described.. .
The Regents Of The University Of California

Low beam intensity control unit

A vehicular lighting system includes low beam headlamps, high beam headlamps and a control unit configured so that during operation of the lighting system, the control unit determines the operational status of the high beam headlamp and selectively adjusts the illuminating intensity of the low beam headlamp. In particular, the brightness of the low beam headlamp can be increased during periods where the high beam is not being, thereby allowing the low beam to more closely approximate the brightness of the high beam, but without the glare associated with conventional high beam patterns.
Toyota Motor Engineering & Manufacturing North America, Inc.

Liquid curing liquid transfer device

A liquid curing apparatus for a liquid transfer device includes a liquid transfer unit and a plurality of ultraviolet-emitting diodes. The liquid transfer unit transfers an ultraviolet curing liquid to a transfer target body.
Komori Corporation

Illuminated baby bottle device and method

An illuminated baby bottle device including a cap, a nipple, a body configured to retain a liquid, and a base. The body includes an inner-wall and an outer-wall.

Control body for an electronic smoking article

Also positioned within the shell is an electronic circuit board having a pressure sensor attached thereto. The electronic circuit board can be positioned to be parallel to a central axis of the shell.

Tracking and commissioning of light engines using near field communication

Provided is a light emitting diode (led) lighting fixture including a light engine, a plurality of leds, an led driver, and a near field communication (nfc) electrically erasable programmable read only memory (eeprom) circuit. The nfc eeprom circuit provides an avenue for storing information pertaining to the led light fixture that is easily accessible..
General Electric Company

Solid-state imaging element and driving method therefor, and electronic apparatus

In a pixel array section, a normal pixel including a photodiode (pd) that receives and photoelectrically converts incident light such that a color component signal is obtained, and a phase-difference pixel including a pair of a photodiode (pd1) and a photodiode (pd2) including light-receiving surfaces having a size depending on an image height such that a phase difference detection signal is obtained are arranged in a matrix form. The pair of the photodiode (pd1) and the photodiode (pd2) each include a first region serving as a charge accumulation main part and a second region that performs photoelectric conversion and contributes to charge transfer to the main part.

Semiconductor circuit

A semiconductor circuit includes a differential amplifier having a first positive terminal, a second positive terminal, a first negative terminal, a second negative terminal, and an output terminal. The output voltage is at a level that corresponds to a voltage level obtained by subtracting a voltage of the first negative terminal and the second negative terminal from a voltage sum of the first positive terminal and the second positive terminal.
Toshiba Memory Corporation

Electric power conversion device

In an electric power conversion device which performs power conversion between multiphase ac and dc, a first converter cell of a first arm for each phase of a power converter includes: a capacitor; a leg a having upper and lower arms having switching elements; and a leg b having upper and lower arms one of which has a switching element and the other of which has only a diode, and a second converter cell of a second arm includes: a capacitor; and a leg aa having upper and lower arms having switching elements. A control device has a steady mode and a protection mode.
Mitsubishi Electric Corporation

Converter station with diode rectifier

A converter station for the transmission of electrical power has a diode rectifier with a dc terminal and an ac terminal. At least one transformer is connected to the ac terminal.
Siemens Aktiengesellschaft

Power conversion apparatus and using the apparatus

A power conversion apparatus sets a point between ac input terminals of a full-wave rectifying circuit as an input terminal of an alternating voltage, connects a series circuit of two switches between dc output terminals, connects a series circuit of a capacitor and an inductor with a midpoint of the two switches, forms a closed loop with the first switch, the capacitor and the inductor, connects a series circuit of a diode and a smoothing capacitor with the midpoint of the two switches, forms a closed loop with the first switch, the diode and the smoothing capacitor, sets both ends of the smoothing capacitor as output terminals of direct voltages, and changes a switching frequency according to an average voltage per unit time of the direct voltages output from the output terminals.. .
Toshiba Tec Kabushiki Kaisha

Switching device and power supply circuit

A switching device includes first and switching elements connected in series, a capacitor connected to a gate of the first switching element, a diode having an anode connected between the capacitor and the gate of the first switching element and a cathode connected to a source of the first switching element. A capacitance of the capacitor is equal to or greater than a value calculated by a predetermined expression..
Kabushiki Kaisha Toshiba

Accumulator system for electrical energy

The present disclosure relates to accumulating electrical energy and the teachings thereof may be embodied in accumulator systems and methods. For example, an accumulator system may comprise: an energy accumulator for generating a dc voltage; a converter for converting the dc voltage into an ac voltage, connected to the energy accumulator via an intermediate circuit; and a diode in the intermediate circuit connected in parallel with the energy accumulator and the converter.
Siemens Aktiengesellschaft

Uninterruptible power supply device and uninterruptible power supply system using the same

An uninterruptible power supply device (u1) includes a converter (40), an inverter (41), a bidirectional chopper (24), and a controller (53). The bidirectional chopper (24) includes first to fourth transistors (q11-q14), first to fourth diodes (d11-d14), and first and second, coils (51, 52).
Toshiba Mitsubishi-electric Industrial Systems Corporation

Emergency lighting methods and systems

Described herein are systems and methods of emergency lighting comprising one or more light emitting diode (led) lamps with a low-maintenance or maintenance-free battery. In one aspect, the battery is a sealed lead-acid battery.
Exelon Generation Company, Llc

Energy supply

An energy supply for an electrical circuit breaker includes a current converter with a primary conductor and a secondary winding. The energy supply further has a triac with two main connections and one control connection, the triac being connected electrically in parallel with the secondary winding via the main connections.
Siemens Aktiengesellschaft

Optical amplifying system and controlling the same

An optical amplifying system is disclosed. The optical amplifying system includes a thermo-electric cooler (tec), and a semiconductor laser diode (ld) mounted on the tec.
Sumitomo Electric Device Innovations, Inc.

Organic light emitting diode display

An organic light emitting diode display, which is foldable about a folding central axis, and in which a folding area including the folding central axis and a non-folding area except for the folding area are defined, the organic light emitting diode display including a first panel having flexibility; a second panel on the first panel and having flexibility; a third panel on the second panel and having flexibility; a first adhesive layer between the first panel and the second panel to bond the first panel and the second panel to each other; and a second adhesive layer between the second panel and the third panel to bond the second panel and the third panel to each other, wherein at least one of the first adhesive layer and the second adhesive layer includes a first reinforcing material.. .
Samsung Display Co., Ltd.

Display panel and packaging the same, and display device

The present disclosure discloses a display panel and a method for packaging the same, and a display device. The display panel includes an organic light-emitting diode (oled), a base substrate on which the oled is arranged, a thin film packaging layer arranged on the oled, a metal blocking layer arranged on the thin film packaging layer and a packaging cover plate arranged on the metal blocking layer..
Hefei Boe Optoelectronics Technology Co., Ltd.

Organic light emitting display device and manufacturing the same

Provided are an organic light emitting display device and a method of manufacturing the organic light emitting display device. The method of manufacturing an organic light emitting display device includes forming a sacrificial layer on a lower mother substrate in which a plurality of cells is defined, forming a flexible substrate on the sacrificial layer, forming a display unit including a circuit unit and an organic light emitting diode in each of the plurality of cells on the flexible substrate, removing the lower mother substrate, bonding a supporting film to the flexible substrate, irradiating a portion of the supporting film corresponding to a boundary of a bending area of the flexible substrate, removing a portion of the supporting film corresponding to the bending area of the flexible substrate, performing a process for enhancing adhesion of the supporting film remaining after removing a portion of the supporting film, irradiating a boundary between a non-display area extended from the bending area and a pad area extended from the non-display area, and separating the plurality of cells into cell units by irradiating boundaries of the plurality of cells..
Lg Display Co., Ltd.

Multi-functional substrate for oled lighting application

The disclosure concerns multifunctional flexible substrate suitable for use in an organic light emitting diode element, said flexible substrate comprising: a barrier layer; a transparent electrode layer; and a microlens array layer comprising particles; wherein the barrier layer, the electrode layer, and the microlens array layer are formed into a single sheet.. .
Sabic Global Technologies B.v.

Structures, converting electromagnetic radiation to electrical energy using metamaterials, rectennas and compensation structures

A metamaterial coupled antenna includes a metamaterial and a rectenna that has an antenna element and a diode coupled by a transmission line. The metamaterial generates a spoof surface plasmon in the presence of heat.

Light emitting diodes and methods

Light emitting diode (led) devices, methods and systems are provided. An example apparatus can include an underfill layer separate from a bonding layer.
Cree, Inc.

Fabrication vertical light-emitting diode

A fabrication method of a vertical light-emitting diode, such as an infrared light-emitting diode, includes heating the reaction chamber during growth of the reflective layer to pre-diffuse the metal molecules of the reflective layer into the epitaxial layer. As a result, the diffusion of the metal molecules in the reflective layer into the epitaxial layer during high-temperature fusion of the reflective layer and the epitaxial layer slows down, and the blackness level of conventional ohm contact holes is reduced..
Xiamen Sanan Optoelectronics Technology Co., Ltd.

Ultraviolet light emitting diodes with tunnel junction

An example ultraviolet (uv) light emitting diode (led) is described herein. The uv led can include an n-doped contact region, an active region configured to emit uv light that is arranged between an n-doped region and a p-doped region, and a tunnel junction.
Ohio State Innovation Foundation

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

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

Display device

A display device includes: a substrate including a curved portion and a flat portion; an insulating layer disposed on the substrate; a first organic light emitting diode disposed on the insulating layer and having a first projection; and a second organic light emitting diode having a second projection, wherein a light emission portion is disposed in the curved portion and the flat portion, the first projection overlaps the light emission portion disposed in the curved portion and is asymmetric in the light emission portion, and the second projection overlaps the light emission portion in the flat portion and is symmetric in the light emission portion.. .
Samsung Display Co., Ltd .

Organic light emitting diode display device

An oled display device includes a substrate including red, green, and blue pixel areas, a first electrode at each of the red pixel area, the green pixel area, and the blue pixel area on the substrate, a hole transport layer on the first electrode, a light emission portion on the hole transport layer, the light emission portion including a red light emitting layer at the red pixel area, a green light emitting layer at the green pixel area, and a blue light emitting layer at the blue pixel area, a first charge generation layer and a first resonance auxiliary layer between the hole transport layer and the blue light emitting layer, a second resonance auxiliary layer between the hole transport layer and the red light emitting layer, an electron transport layer on the light emission portion, and a second electrode on the electron transport layer.. .
Samsung Display Co., Ltd.

Semiconductor device, electrical device system, and producing semiconductor device

A semiconductor device includes an soi substrate formed of a first semiconductor layer having a first conductive type, an embedded oxide film, and a circuit layer; and an interlayer insulation film formed on the soi substrate. The soi substrate has a circuit element region and an outer circumferential region surrounding the circuit element region.
Lapis Semiconductor Co., 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

Backside-illuminated color image sensors with crosstalk-suppressing color filter array

A backside-illuminated color image sensor with crosstalk-suppressing color filter array includes (a) a silicon layer including an array of photodiodes and (b) a color filter layer on the light-receiving surface of the silicon layer, wherein the color filter layer includes (i) an array of color filters cooperating with the array of photodiodes to form a respective array of color pixels and (ii) a light barrier grid disposed between the color filters to suppress transmission of light between adjacent ones of the color filters. The light barrier is spatially non-uniform across the color filter layer to account for variation of chief ray angle across the array of color filters.
Omnivision Technologies, Inc.

Image sensor

An image sensor is provided. The image sensor includes a visible light receiving portion and an infrared receiving portion.
Himax Technologies Limited

Diode

A diode according to the present invention includes a semiconductor layer of a first conductivity type having an impurity concentration of 1×1016 cm−3 to 2.4×1017 cm−3, a zener diode region of a second conductivity type formed selectively in the semiconductor layer and forming a pn junction with the semiconductor layer, a schottky metal disposed on the semiconductor layer, forming a schottky junction with the semiconductor layer, and having a work function of 3 ev to 6 ev, and a jbs (junction barrier schottky) structure including a plurality of second conductivity type regions formed selectively in the schottky junction region of the semiconductor layer.. .
Rohm Co., Ltd.

Semiconductor device

An rc-igbt has a chip area of the semiconductor chip larger than that of a semiconductor chip including an igbt section but not including an fwd section, as it is provided with the fwd section. It is demanded to reduce the chip area of the rc-igbt semiconductor chip.
Fuji Electric Co., Ltd.

Electrostatic protection diode and organic light emitting display device including electrostatic protection structure

An organic light emitting display device includes a substrate including a pixel region and a peripheral region, a first wiring, a second wiring, a third wiring, and an electrostatic protection structure including electrostatic protection diodes coupled to the first, second, and third wirings. The electrostatic protection diodes each include an active pattern, a gate electrode pattern, and a connection pattern.
Samsung Display Co., Ltd.

Display devices

A display device is provided. The display device includes a substrate having a surface including a display area and a non-display area adjacent to the display area; a plurality of light-emitting diodes disposed on the display area of the substrate, wherein the light-emitting diode includes a contact electrode; and an anisotropic conductive layer disposed between the substrate and the plurality of light-emitting diodes, wherein the anisotropic conductive layer has a cross-sectional sidewall profile, and at least a part of the cross-sectional sidewall profile of the anisotropic conductive layer is in a shape of curve..
Innolux Corporation

High-voltage light emitting diode and fabrication method thereof

A fabrication method of a high-voltage light-emitting diode includes the steps of providing a substrate, and forming a light-emitting epitaxial laminated layer on the substrate; patterning the light-emitting epitaxial laminated layer and fabricating a channel that exposes the substrate surface so as to divide the light-emitting epitaxial laminated layer into a plurality of light-emitting diode units, and the light-emitting diode units at least constitute two rows; fabricating an electrode interconnection line crossing the channel, wherein, two adjacent light-emitting diode units are connected by the electrode interconnection line; fabricating an electrode bonding pad over the outmost light-emitting diode unit of the high-voltage light-emitting diode; and fabricating an insulating protective layer opening at the channel where the potential difference of any two adjacent light-emitting diodes is ≧3 times of the forward voltage of a single light-emitting diode to avoid breakdown of the light-emitting epitaxial laminated layer.. .
Xiamen Sanan Optoelectronics Technology Co., Ltd.

Programmable resistive device and memory using diode as selector

Building programmable resistive devices in contact holes at the crossover of a plurality of conductor lines in more than two vertical layers is disclosed. There are plurality of first conductor lines and another plurality of second conductor lines that can be substantially perpendicular to each other, though in two different vertical layers.
Attopsemi Technology Co., Ltd

Oled display backlight

In one example, a display backlight includes organic light emitting diodes patterned in a segmented manner, and one or more spacers spaced between the white organic light emitting diodes.. .
Intel Corporation

Displays with multiple scanning modes

An electronic device may include a display such as a light-emitting diode display. The electronic device may be a head-mounted device that provides a virtual reality or augmented reality environment to a user.
Apple Inc.

Displays with multiple scanning modes

An electronic device may include a display such as a light-emitting diode display. The electronic device may be a head-mounted device that provides a virtual reality or augmented reality environment to a user.
Apple Inc.

Organic light emitting diode display and repairing the same

An organic light emitting diode (oled) display includes a substrate, oleds disposed on the substrate and separated from each other, pixel circuits, data lines extending in a first direction on the substrate and separated from each other in a second direction crossing the first direction, connecting lines neighboring the data lines and extending in the first direction, and a wire directly connecting one portion of one of the data lines to one portion of one of the connecting lines neighboring the one data line. Each pixel circuit includes a plurality of thin film transistors and each pixel circuit is connected to one of the oleds.
Samsung Display Co., Ltd.

Display flicker reduction systems and methods

Aspects of the subject technology relate to electronic devices with displays. A display may include an array of display pixels each having a drive transistor and an organic light-emitting diode.
Apple Inc.

Global keypad for linking the control of shows and brightness among multiple zones illuminated by light emitting diodes arranged among a structure

An illumination system and method is provided for readily mapping a plurality of scenes along a dimcurve form a natural show for one or more groups of led illumination devices. Mapping can be performed using a graphical user interface on a remote controller wirelessly linked to the illumination devices.
Ketra, Inc.

System of injectable fully-monolithic wireless bio-sensing

Systems are provided for a wireless system-on-chip (soc) with integrated antenna, power harvesting, and biosensors. An illustrative soc can have a dimension of 200 μm×200 μm×100 μm to allow painless injection.
Verily Life Sciences Llc

Light emitting diode switch device and array

An led switch device and a matrix thereof are disclosed. There is an electroluminescent semiconductor element with a first polarity contact and a second polarity contact.

Display device and electric device

A display device includes a light emitting element having a light emitting region in a display region of the display device, an insulating layer covering the light emitting element, a detecting element including a first electrode, a second electrode, and a semiconductor layer having a diode characteristic sandwiched between the first electrode and the second electrode and arranged on the insulating layer, and a first connection section configured to connect the first electrode and the second electrode to a detection circuit, the detection circuit inputting a driving signal to the first electrode so that a reverse voltage is generated in the semiconductor layer and acquiring a response signal generated at the second electrode in response to the driving signal.. .
Japan Display Inc.

Adaptable backlight

A liquid crystal display arrangement for a motor vehicle includes a plurality of light emitting diodes positioned to backlight a liquid crystal display. A plurality of electrical conductors are each electrically connected to, and provide electrical power to, a different respective subset of the light emitting diodes.
Panasonic Automotive Systems Company Of America, Division Of Panasonic Corporation Of North America

Display apparatus

A display apparatus including a light emitting part including a plurality of light emitting diodes spaced apart from each other, and a light conversion part configured to convert light emitted from the light emitting part, in which the light emitting diodes include at least one first light emitting diode and at least one second light emitting diode, the light conversion part emits red light through wavelength conversion of light emitted from the at least one first light emitting diode, and the at least one second light emitting diode emits green light.. .
Seoul Semiconductor Co., Ltd.

Interconnectable light guide tiles

Interlocking light emitting diode (“led”) light guide tiles are disclosed. The tiles have interlocking edge features that provide physical interlock fitting between tiles and present a continuous appearance, both in an “on,” where leds are powered on and emitting light state and an “off” state, where leds are powered off and not emitting light.
Lumileds Llc

Luminaire having an asymmetrical light distribution pattern

An apparatus is disclosed including a light guide and a plurality of light emitting diodes (leds). The light guide includes a rear portion including a first edge, a second edge, and a rear edge.
Lumileds Llc

Distance measuring device

A distance measuring device is provided at low cost. The distance measuring device includes an avalanche photodiode, a tia, and damping circuits.
Topcon Corporation

Magnetic resonance imaging (mri) coil with pin diode decoupling circuit

A magnetic resonance imaging (mri) radio frequency (rf) coil comprising an lc circuit including at least one series capacitor, and a decoupling circuit connected in parallel to the lc circuit. The decoupling circuit is configured to decouple the mri rf coil from one or more other mri rf coils using passive decoupling upon the production of an induced voltage in the decoupling circuit, or to actively decouple the mri rf coil from one or more other mri rf coils upon the insertion of a dc bias into the decoupling circuit.
Quality Electrodynamics, Llc

Temperature or strain distribution sensor

According to examples, a temperature or strain distribution sensor may include a photodiode to acquire a beat frequency between a first laser beam and a second laser beam. A modulator may modulate the first laser beam that is to be injected into a device under test (dut).
Viavi Solutions Inc.

Led system and housing for use with halogen light fixtures

An led optical light engine spotlight which can accommodate a variable number of light-emitting diodes (leds) is disclosed. An optical projection lens mounted in front of the leds merges the separate led beams into a single beam, similar to the single beam provided by a halogen light and reflector.
Golight, Inc.

Led bulb with integrated thermal and optical diffuser

A light emitting diode (led) light bulb includes a thermally conductive base and at least one led assembly disposed on and thermally coupled to a surface of the base. The led assembly includes at least one led configured to generate light.
Palo Alto Research Center Incorporated

Leaky feeder light emitting diode lighting system

Methods, systems and devices for using a led lighting system to communicate an emergency, indicate a route/pathway and illuminate an area using an existing leaky feeder communications system. The led lighting system is powered by and may be controlled by the leaky feeder communications system that delivers 2-way communications and data.
Becker Mining America, Inc.

Luminaire including light emitting diodes and an anti-glare material

A luminaire. The luminaire includes a geometric solid.
Ameritech Llc

Light panel retro-fit kits

The present disclosure is directed to a lighting retro-fit assembly including a panel configured for the passage of light therethrough, at least one light emitting diode (led) secured to the panel, a driver electrically connected to the at least one led, and an extendible suspension device, where the extendible suspension device permits mechanical connection of the panel to an existing lighting structure while enabling access to the driver.. .
Flex Ltd.

Optical compensation film having reversed wavelength dispersion

Disclosed is an optical compensation film made of a solution cast of a polymer blend comprising a nitrated styrenic fluoropolymer and a polyimide. The compensation film is a positive-c plate having reversed wavelength dispersion that is capable of providing an achromatic (or broadband) retardation compensation.
Akron Polymer Systems, Inc.

Metal phosphide nanomaterials prepared from single source metal amides

The present invention provides a novel solution or route for metal phosphide (mpx) nanomaterials from the thermal decomposition of metal bis[bis(diisopropylphosphino)amide], m[n(ppri2)2]2, and/or single-source precursors. Synthetic routes to mpx nanomaterials may be used in energy applications including batteries, semiconductors, magnets, catalyst, lasers, inks, electrocatalysts and photodiodes..
Sandia Corporation

Exposing printing plates using light emitting diodes

An apparatus comprises: (a) a rotatable drum configured to have a uv-curable printing plate with an ablatable layer thereon, placed thereon; (b) at least one laser beam to image the plate on the drum by ablating some of the ablatable layer according to image data to form an imaged plate; (c) an unloading area onto which a plate is movable when unloaded; and (d) a plurality of uv leds configured to apply uv radiation to the back of the uv-curable plate or to both the front and back of the uv-curable plate during or after the unloading of the imaged plate.. .
Esko-graphics Imaging Gmbh

Electrical acuptuncture eye treatment

A system and method for eye treatment. The system and method utilize an electro acupuncture stimulator.

Intraocular prosthesis

Intraocular apparatus is provided, having an anterior side and a posterior side, and configured for use with an extraocular imaging device. The intraocular apparatus includes a photovoltaic energy receiver, or an rf energy receiver, on the anterior side which receives energy from outside the eye to power the intraocular apparatus.
Rainbow Medical Ltd.

Cross pixel interconnection

A cmos image sensor with reducing interconnections is provided. The cmos image sensor may include a first row of pixels that includes a first pixel.
Gvbb Holdings S.a.r.l.

Differential digital double sampling method and cmos image sensor for performing same

A method for performing differential double sampling and a cmos image sensing device for performing the same. In one example, the cmos image sensing device includes a pixel array include a multitude of pixels with each pixel formed by a plurality of photodiodes, a floating diffusion point and a plurality of transistors electrically coupled the plurality of photodiodes.
Gvbb Holdings S.a.r.l.

Imaging pixels with a fully depleted charge transfer path

An imaging pixel may have a fully depleted charge transfer path between a pinned photodiode and a floating diffusion region. A pinned transfer diode may be coupled between the pinned photodiode and the floating diffusion region.
Semiconductor Components Industries, Llc

Image sensor

An image sensor is provided. The image sensor includes a visible light receiving portion and an infrared receiving portion.
Himax Technologies Limited

Dual power over ethernet redundancy

In some examples, a powered device (pd) having dual power over ethernet (poe) redundancy comprises a first pd chip to interact with a first poe port comprised in a first power sourcing equipment (pse), a second pd chip to interact with a second poe port comprised in a second pse, a first control logic module to permit the first pd chip to independently interact with the first poe port, a second control logic module to permit the second pd chip to independently interact with the second poe port, a first field effect transistor fet to turn on/off a first diode, the first fet being controlled by the first control logic module, a second fet to turn on/off a second diode, the second fet being controlled by the second control logic module. The first and the second diodes to combine the first and the second voltages from the first and the second pse, respectively.
Aruba Networks, Inc.

Driving device for insulated gate semiconductor element, and driving system for the same element

A driving device includes: a driving circuit operating with a single power supply in accordance with a driving signal; a first parallel circuit formed of a first capacitor and a first zener diode connected together in parallel, and having a first end connected to an output terminal of the driving circuit; a series circuit connected between a second end of the first parallel circuit and a ground of the driving circuit, and formed of a diode and a second parallel circuit (of a second capacitor and a second zener diode) connected to each other in series; and a resistor is connected between the second end of the first parallel circuit and the ground of the driving circuit. A voltage across the resistor is used as an output voltage for driving the insulated gate semiconductor element.
Panasonic Intellectual Property Management Co., Ltd.

Power supply unit and static eliminator

A power supply unit includes a transformer including a primary winding that receives an alternating-current voltage and a secondary winding including a first end electrically connected to ground, a positive-side rectification circuit including a diode electrically connected to a second end of the secondary winding, an anode of which is electrically connected to the second end, and a cathode of which is electrically connected to a positive-side output terminal, a negative-side rectification circuit including a diode electrically connected to the second end of the secondary winding, a cathode of which is electrically connected to the second end, and an anode of which is electrically connected to a negative-side output terminal, and a capacitor provided on a path from a node between the second end of the secondary winding and the positive-side rectification circuit and the negative-side rectification circuit to the ground through the secondary winding.. .
Murata Manufacturing Co., Ltd.

Fixed frequency series-parallel mode (spm) active clamp flyback converter

A flyback converter can include a series-parallel mode (spm) active clamp circuit. The active clamp circuit, coupled in parallel with the primary coil, may include multiple networks in parallel.
Apple Inc.

Optimizing the efficiency of a boost pre-converter while maintaining input power factor

A power factor correction (pfc) pre-converter includes a boost converter and a pfc controller. The boost converter is configured to step up a boost converter input voltage by generating a boost converter output voltage.
Texas Instruments Incorporated

Led cable and car charger

A power sensing and indication circuit includes a first device connector for charging a first device and having a first pin and a second pin, the first pin of the first device connector being connected to an output voltage port of a controller. The power sensing and indication circuit includes a first amplifier.
Superior Communications, Inc.

Connector, socket, providing signals to connector by socket, electronic equipment

The embodiments of the invention provide a connector, a socket, a method for providing signals to a connector by a socket and an electronic equipment. The connector includes a main body.
Beijing Boe Optoelectronics Technology Co., Ltd.

Organic light emitting diode display device

An organic light emitting diode display device, including a flexible substrate; pixels on the flexible substrate, the pixels including an organic emission layer; a pixel definition layer between the pixels, the pixel definition layer including openings; an encapsulation layer covering the pixels; and a conductive light shielding member on the encapsulation layer, the conductive light shielding member not overlapped with the pixels, and overlapped with the pixel definition layer.. .
Samsung Display Co., Ltd.

Base substrate for organic light emitting diode, organic light emitting display substrate and apparatus having the same, and fabricating method thereof

The present application discloses an organic light emitting diode base substrate including a support substrate and a light outcoupling layer on the support substrate for enhancing light outcoupling efficiency of an organic light emitting display substrate, the light outcoupling layer having a corrugated surface on a side of the light outcoupling layer distal to the support substrate. The light outcoupling layer including a polymer material having a gradient distribution in a direction from the corrugated surface to the support substrate..
Boe Technology Group Co., Ltd.

Organic light emitting diode display

An oled display includes a substrate including a display area and a non-display area disposed adjacent to the display area, a pixel circuit portion disposed in the display area, and an organic light emitting diode including a first electrode connected to the pixel circuit portion and a second electrode that faces the first electrode. The oled display further includes a common voltage portion disposed in the non-display area, connected to the second electrode, and disposed on a layer that is different from the second electrode.
Samsung Display Co., Ltd.

Display device and manufacturing the same

A display device includes a base substrate, a first transistor, a second transistor, an organic light emitting diode, and a capacitor electrically connected to the first thin film transistor. The first transistor includes a first semiconductor pattern below a first interlayer insulation layer and a first control electrode above the first interlayer insulation layer and below a second interlayer insulation layer.
Samsung Display Co., Ltd.

Organic light-emitting diode and preparation method thereof, display substrate and display device

An organic light-emitting diode and a preparation method thereof, a display substrate, and a display device. The organic light-emitting diode includes a double-layer fold structure, the double-layer fold structure includes a first layer and a second layer adjacent to each other, an interface between the first layer and the second layer and a surface of the second layer farther away from the first layer have a fold morphology, a virtrification transition temperature of the first layer is less than a virtrification transition temperature of the second layer, and a thermal expansion coefficient of the first layer is greater than a thermal expansion coefficient of the second layer.
Boe Technology Group Co., Ltd.

Led-based lighting device with asymmetrically distributed led chips

A lighting device is provided that allows a reduced color separation. The lighting device is configured to emit light along an output direction.
Koninklijke Philips N.v.

Light-emitting device

A light-emitting device is provided. Comprises: a light-emitting stack comprising an active layer emitting a first light having a first peak wavelength λ nm; and an adjusting element stacked on and electrically connected to the active layer, wherein the adjusting element comprises a diode emitting a second light having a second peak wavelength between 800 nm and 1900 nm; wherein a forward voltage of the light-emitting device is between (1240/0.8λ) volt and (1240/0.5λ) volt, and a ratio of the intensity of the first light emitted from the active layer at the first peak wavelength to the intensity of the second light emitted from the diode at the second peak wavelength is greater than 10 and not greater than 1000..
Epistar Corporation

Light emitting diode

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.

Deep ultraviolet light emitting diode

A method of fabricating a light emitting diode, which includes an n-type contact layer and a light generating structure adjacent to the n-type contact layer, is provided. The light generating structure includes a set of quantum wells.
Sensor Electronic Technology, Inc.

Diode, junction field effect transistor, and semiconductor device

Provided are a diode, a junction field effect transistor (jfet), and a semiconductor device that have a top doped region. A dopant concentration gradient of the top doped region at one side is different from the dopant concentration gradient of the top doped region at an opposite side.
Nuvoton Technology Corporation

Power device integration on a common substrate

A semiconductor structure for facilitating an integration of power devices on a common substrate includes a first insulating layer formed on the substrate and an active region having a first conductivity type formed on at least a portion of the first insulating layer. A first terminal is formed on an upper surface of the structure and electrically connects with at least one other region having the first conductivity type formed in the active region.
Silanna Asia Pte Ltd

Semiconductor device

An hvjt is includes a parasitic diode formed by pn junction between an n−-type diffusion region and a second p−-type separation region surrounding a periphery thereof. The n−-type diffusion region is arranged between an n-type diffusion region that is a high potential side region and an n-type diffusion region that is a low potential side region, and electrically separates these regions.
Fuji Electric Co., Ltd.

Organic light emitting diode display

An organic light emitting diode display includes a substrate, a plurality of pixels disposed on the substrate, and a plurality of transmitting windows configured to transmit light therethrough. The plurality of transmitting windows is spaced apart from the plurality of pixels.
Samsung Display Co., Ltd.

Organic light emitting diode display device

An organic light emitting diode display device includes a substrate, a plurality of organic light emitting diodes on the substrate, a thin film encapsulation layer on the organic light emitting diodes, and at least one sensor on the thin film encapsulation layer, the sensor including a sensing gate electrode, an oxide semiconductor layer overlapping the sensing gate electrode, a sensing source electrode connected to the oxide semiconductor layer, and a sensing drain electrode spaced apart from the sensing source electrode and connected to the oxide semiconductor layer.. .
Samsung Display Co., Ltd.

Organic light-emitting diode

An organic light-emitting diode includes at least two segments arranged adjacent to one another, a scattering layer that at least partially scatters the light generated in each of the segments, and at least one separating region located in the scattering layer, wherein the separating region has a transmittance for light generated in the segments of at most 20%, the separating region, when viewed in a plan view, is arranged in a transitional region between adjacent segments such that within the scattering layer propagation of light between the segments is suppressed, the segments include organic layer sequences each located between a first electrode and a second electrode, the segments are distant from one another in a direction parallel to the main directions of extension, and the scattering layer directly adjoins the first electrode which is light-transmitting and directly adjoins a transparent layer on a side remote from the first electrode.. .
Osram Oled Gmbh

Semiconductor device and manufacturing method thereof

Provided is a semiconductor device which allows an alignment mark used for the manufacturing of a solid-state image sensor (semiconductor device) having a back-side-illumination structure to be formed in a smaller number of steps. The semiconductor device includes a semiconductor layer having a first main surface and a second main surface opposing the first main surface, a plurality of photodiodes which are formed in the semiconductor layer and in each of which photoelectric conversion is performed, a light receiving lens disposed over the second main surface of the semiconductor layer to supply light to each of the photodiodes, and a mark for alignment formed inside the semiconductor layer.
Renesas Electronics Corporation

Fill factor enhancement

An image sensor includes a plurality of photodiodes disposed in a semiconductor material and a plurality of isolation structures disposed between individual photodiodes in the plurality of photodiodes. The plurality of isolation structures electrically isolate individual photodiodes in the plurality of photodiodes.
Omnivision Technologies, Inc.

Backside illuminated image sensor and manufacturing the same

A backside illuminated image sensor includes a photodiode arranged in a substrate, a first insulating layer arranged on a front surface of the substrate, a bonding pad arranged on the first insulating layer, and a second insulating layer arranged on the first insulating layer and the bonding pad. The bonding pad is partially exposed by an opening passing through the substrate and the first insulating layer, and an edge portion of the bonding pad is supported by the first and second insulating layers..
Dongbu Hitek Co., Ltd.

Stacked image sensor having an air gap

A stacked image sensor includes: a lower device including a lower inter-layer dielectric layer over an upper surface of a lower substrate, and a lower capping layer over the lower inter-layer dielectric layer; an upper device stacked over the lower device, including photodiodes in an upper substrate, an upper inter-layer dielectric layer below a lower surface of the upper substrate, and an upper capping layer below the upper inter-layer dielectric layer; and an air gap formed between the lower inter-layer dielectric layer and the upper inter-layer dielectric layer.. .
Sk Hynix Inc.

Electro-static discharge protection devices having a low trigger voltage

An electro-static discharge (esd) protection device includes a first pn diode, a second pn diode and a silicon controlled rectifier (scr). The first pn diode and the second pn diode are coupled in series between a pad and a ground voltage to provide a first discharge current path.
Sk Hynix Inc.

Display with light-emitting diodes

A display may have an array of pixels each of which has a light-emitting diode such as an organic light-emitting diode. A drive transistor and an emission transistor may be coupled in series with the light-emitting diode of each pixel between a positive power supply and a ground power supply.
Apple Inc.

Pixels and reference circuits and timing techniques

What is disclosed are 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 and bias currents produced by current biasing circuits for driving current biased voltage programmed pixels are corrected through calibration and compensation while re-using existing data or other lines that can be controlled individually to perform said calibration and compensation..
Ignis Innovation Inc.

Light emitting diode display device and operating the same

A method of operating a light emitting diode (led) display device is provided. The method includes determining idle time periods respectively corresponding to led driving clock signals, based on a number of led driving clock signals corresponding to one frame, controlling generation of the led driving clock signals, based on the determined idle time periods, and driving an led module in a unit of an led line, based on the generated led driving clock signals.
Samsung Electronics Co., Ltd.

Display diode relative age

The description relates to display devices. One example can receive a first frame rendering that expresses color content with a defined number of bits that convey a set of color states that correspond to a first range of voltages for driving light emitting diodes (leds) of a display.
Microsoft Technology Licensing, Llc

Tunable tunnel diode-based digitized noise source

A tunable tunnel diode based digitized noise source includes a digitized noise source for producing a sequence of random digital signals. The digitized noise source includes a tunnel diode for providing a current signal that includes quantum shot noise.
Quintessencelabs Pty Ltd.

Photoactive catalyst compositions

The present disclosure is directed to photosensitive compositions ‘fischer-type’ ruthenium carbene catalysts containing chelated 2,2′-bipyridine ligands and methods of using the same. These catalysts are surprisingly active even when using relatively low intensity diode light sources.
Polyspectra, Inc.

Systems, devices, and methods that integrate eye tracking and scanning laser projection in wearable heads-up displays

Systems, devices, and methods that integrate eye tracking capability into scanning laser projector (“slp”)-based wearable heads-up displays are described. At least one narrow waveband laser diode is used in an slp to define one or more portion(s) of a visible image.
Thalmic Labs Inc.

Systems, devices, and methods that integrate eye tracking and scanning laser projection in wearable heads-up displays

Systems, devices, and methods that integrate eye tracking capability into scanning laser projector (“slp”)-based wearable heads-up displays are described. At least one narrow waveband laser diode is used in an slp to define one or more portion(s) of a visible image.
Thalmic Labs Inc.

Systems, devices, and methods that integrate eye tracking and scanning laser projection in wearable heads-up displays

Systems, devices, and methods that integrate eye tracking capability into scanning laser projector (“slp”)-based wearable heads-up displays 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 features of the eye.
Thalmic Labs Inc.

Heads-up display windshield

A motor vehicle heads-up display system includes an organic light emitting diode (oled) screen positioned in contact with a motor vehicle windshield. The oled screen includes a screen portion used to display augmented reality projection data.
Dura Operating, Llc

Image aware laser diode array shutter for reduced incident energy on dmd chip set

A laser imaging system and method. In an example embodiment, one or more laser diode arrays are associated with a digital micro-mirror device.
Xerox Corporation

Fluorescence microscope light source apparatus and fluorescence microscope

Disclosed are a fluorescence microscope light source apparatus and a fluorescence microscope capable of obtaining high-luminance light in a wavelength of 500 to 550 nm and having reduced background noise when a sample is observed. The fluorescence microscope light source apparatus to be installed in a fluorescence microscope including an illumination light bandpass filter includes: a laser diode that emits blue light as excitation light; a phosphor that converts the excitation light from the laser diode into illumination fluorescence with a wavelength region of 500 to 550 nm; an optical system that extracts the illumination fluorescence from the phosphor; a first condenser lens that condenses the excitation light onto the phosphor; a light guide body having one end face on which the illumination fluorescence is incident and the other end face from which the illumination fluorescence exits; and a second condenser lens that condenses the illumination fluorescence onto the one end face of the light guide body.
Ushio Denki Kabushiki Kaisha

Multi-channel system for truck and cargo scanning using impulse radiation sources

A multi-channel system for truck scanning, includes an impulse radiation source; and a plurality of detection circuits, each detection circuit comprising a scintillator, a photodiode, a supplemental circuit, an integrator and an adc, connected in series. A current of the photodiode is proportional to radiation from the impulse radiation source.
Adani Systems, Inc.

Control line diagnostic apparatus

Disclosed is a control line diagnostic apparatus for diagnosing a control line of a driver circuit in which a driven load is driven due to a current flowing through the control line from a first high-potential node to a first low-potential node when a driving switch having a higher potential than a potential of the driven load is turned on, the control line diagnostic apparatus including a first diagnostic line having an end connected to a first node provided on the control line and the other end connected to a second high-potential node, and including a first resistor, a second resistor, and a first diode connected to one another in series, a second diagnostic line having an end connected to the first node and the other end connected to a second low-potential node, and including a third resistor, a voltage measurement unit configured to measure a voltage of a second node provided between the first and second resistors, and a control unit configured to set predetermined operation modes by controlling the driving switch and to diagnose a state of the control line by using voltage values of the second node, which are measured by the voltage measurement unit in the set operation modes, wherein the first diode is provided on the first diagnostic line to allow flow of a current from the second high-potential node to the first node.. .
Lg Chem, Ltd.

Thermal sensor including pulse-width modulation output

Some embodiments include apparatuses and methods having a node to receive ground potential, a first diode including an anode coupled to the node, a second diode including an anode coupled to the node, a first circuit to apply a voltage to a cathode of each of the first and second diodes to cause the first and second diodes to be in a forward-bias condition, and a second circuit to generate a signal having a duty cycle based on a first voltage across the first diode and a second voltage across the second diode. At least one of such the embodiments includes a temperature calculator to calculate a value of temperature based at least in part on the duty cycle of the signal..
Intel Ip Corporation

Light-emitting diode lamps with thermally conductive lenses

A light-emitting diode (led) lamp is provided that includes: an led source coupled to a housing; and a lens over the source and coupled to the housing. The lens, or a portion of the lens, includes a plurality of glass beads, each having a metal-containing coating (e.g., a coating comprising at least one of ni, al, cu, in and brass) and dispersed in a polymeric matrix (e.g., an acrylic or a polycarbonate).
Ford Global Technologies, Llc

Light emitting diode, and headlamp and signal lamp having the same

An led light source includes a connecting body and a mounting base. The mounting base includes a mounting platform having a top surface, and an led unit connected to the top surface, the top surface having good heat-dissipating properties.
Advanced Optoelectronic Technology, Inc.

Light emitting diode luminaire device and system with color temperature tunning

A lighting system is disclosed that includes lighting zones. Each of the lighting zones include led light fixtures with different sets of led arrays mounted to modular light boards that emit different output spectra.
Finelite Inc.

Light emitting diode lighting device and assembly method thereof

A light emitting diode (led) lighting device and assembly method thereof. The led lighting device includes: a base having a mounting surface; an led element disposed on the mounting surface of the base; a lens component disposed at a side of the mounting surface of the base; a gasket disposed between the base and the lens component, such that the led element is located within an area surrounded by the gasket; a fastener comprising a first portion and a second portion, wherein the first component is disposed at the side of the lens component opposite to the base and facing a portion of the lens component, the second portion extends from the first potion and is connected to the base, and the first portion of the fastener applies a pressure on the lens component towards the base..
Hangzhou Hpwinner Opto Corporation

Vehicle engine control system

In voltage boosting circuit for performing rapid power supply to a plurality of electromagnetic coils that drive fuel-injection electromagnetic valves, an overcurrent from vehicle battery is suppressed, and continuous noise is prevented from being produced. Each of rapid-power-supply voltage boosting capacitors that are connected in parallel with each other is charged from corresponding one of a pair of induction devices, which are asynchronously on/off-magnetized by first and second voltage boosting control circuits, by way of corresponding one of charging diodes in a pair; when addition value of exciting currents for induction devices in a pair continuously exceeds predetermined value, driving modes of one of and the other one of voltage boosting control circuits are set to large-current low-frequency mode and to small-current high-frequency mode, respectively, so that on/off timing of exciting current becomes irregular even when respective inductances values of induction devices in a pair are close to each other..
Mitsubishi Electric Corporation

Metal complexes and electroluminescent devices comprising these metal complexes

The present invention relates to metal complexes having a metal atom of groups 13 to 15 and at least one ligand, where the ligand comprises at least one anionic coordination group having at least one oxygen and/or nitrogen atom via which the metal atom is coordinated, and the ligand comprises at least one triarylamine group, to processes for preparation thereof and to the use thereof in electronic devices, especially in organic electroluminescent devices, called oleds (oled=organic light emitting diode). The present invention also further relates to organic electroluminescent devices comprising these metal complexes..
Merck Patent Gmbh

Vehicle exterior door handle with lighting module

An exterior door handle assembly includes a strap-handle portion pivotally movable to open a vehicle door, a circuit element, a light emitting diode, a light pipe, and an elongated light-transmitting cover. The light emitting diode is disposed proximate an end region of the strap-handle portion and proximate an end region of the light pipe.
Donnelly Corporation

Failure detection device of power converter and vehicle

A power converter which can prevent an erroneous detection even when a flow rate of a refrigerant is low and a vehicle having the power converter mounted therein are provided. A first inverter circuit including: an element group constituted by six transistors; six diode temperature sensors at least one of which is provided for each transistor to detect a temperature of the transistor; and a high arm-side refrigerant flow passage and a low arm-side refrigerant flow passage in which a refrigerant for cooling the transistors flows is provided.
Honda Motor Co.,ltd.

Molded hockey puck with electronic signal transmitter core

A hockey puck is disclosed including an internal signal transmitter enabling instantaneous identification of its position as it moves around. The puck includes two molded subcomponents, which encapsulate the signal transmitter.
Sportsmedia Technology Corporation

Photosensitive pixel with shunt resistor

The present invention relates to a photosensitive implant comprising at least one pixel (10) having at least one diode (12, 12′), a stimulating electrode (14), a counter electrode (1 8), and a resistor (1 6), wherein the resistance of the resistor (1 6) is chosen according to a predetermined relation of resistance, a size of the stimulating electrode (14), and a size of the diode (12, 12′). Further, the present invention concerns a method to provide such an implant..
Pixium Vision Sa

Lg Display Co., Ltd.

. .

Light-emitting diode light using relay capable of dimming

Disclosed herein is a light-emitting diode (led) light using a relay capable of dimming. The led light includes: a first relay unit configured to be supplied with first power from the outside, and to comprise a first relay and a second relay; first and second resistors configured to be supplied with second power or a control signal from the outside, and to drive the first or second relay; a second relay unit configured to cut off the first power when the second power is supplied in a state in which the first power has been supplied to the first relay unit, and to be supplied with the first power when the control signal is received in the state in which the first power has been supplied to the first relay unit; a first smps configured to convert ac current; and a second smps configured to convert ac current..

Laser-based apparatus utilizing multiple laser beams

A laser-based device or sensor includes: a first laser transmitter having a first self-mix carrier frequency; a second laser transmitter having a second, different, self-mix carrier frequency; a first monitor photodiode to receive a first optical signal from the first laser transmitter, and to output a first electric signal; a second monitor photodiode to receive a first optical signal from the second laser transmitter, and to output a second electric signal; an electric connection to connect together the first electric signal and the second electric signal, forming a combined electric signal; a single laser receiver to receive the combined electric signal and to generate from it a spectrum that corresponds to both (i) self-mix signal of the first laser transmitter, and (ii) self-mix signal of the second laser transmitter. Alternatively, a single monitor photodiode is used, receiving self-mix signals from multiple laser transmitters, and outputting a single electric signal to a single laser receiver..
Vocalzoom Systems Ltd.

Pixel circuit and operating the same

An embodiment circuit includes a first source follower configured to be controlled by a voltage at a first node, a photodiode controllably coupled to the first node, and a bias transistor configured to be controlled by a bias voltage. The bias transistor has a first terminal coupled to an output of the first source follower.
Stmicroelectronics (research & Development) Limited

Systems and methods for underwater illumination, survey, and wireless optical communications

Embodiments of the present disclosure describe an underwater optical communication and illumination system employing laser diodes directly encoded with data, including spectrally efficient orthogonal frequency division multiplex quadrature amplitude modulation (qam-ofdm) data. A broadband light source may be utilized to provide both illumination to an underwater field of interest and underwater optical communication from the field of interest to a remote location..
King Abdullah University Of Science And Technology

Method and system for a narrowband, non-linear optoelectronic receiver

Methods and systems for a narrowband, non-linear optoelectronic receiver are disclosed and may include amplifying a received signal, limiting a bandwidth of the received signal, and restoring the signal utilizing a level restorer, which may include a non-return to zero (nrz) level restorer. The nrz level restorer may include a pulse-triggered bistable circuit, which may include two parallel inverters, with one being a feedback path for the other.
Luxtera, Inc.

Low-power fiber optic transceiver

The present disclosure pertains to systems and methods for low-power optical transceivers. In one embodiment, a low-power optical transceiver may include a microcontroller and an optical receiver and an optical transmitter in communication with and controlled by the microcontroller.
Schweitzer Engineering Laboratories, Inc.

Brown-out detector and power-on-reset circuit

A brown-out detector and power-on-reset circuit can be used to monitor a supply voltage to determine when brown-out and power-on events occur and provide the appropriate reset signal in response. The circuit can include a comparator to generate the reset signal and a first monitoring circuit that operates in conjunction with a second monitoring circuit to provide an input voltage to the comparator.
Square, Inc.

Floating gate switch

Various aspects of this disclosure describe configuring and operating a transistor switch. Examples include a self-biasing circuit that contains a diode-connected transistor whose source or drain is connected to the gate of a transistor configured as a switch.
Qualcomm Incorporated

Double balanced mixer

A fet based double balanced mixer (dbm) that exhibits good conversion gain and iip3 values and provides improved linearity and wide bandwidth. In one embodiment, a first balun is configured to receive a local oscillator (lo) signal and generate two balanced lo signals that are coupled to two corresponding opposing nodes of a four-node fet ring.
Peregrine Semiconductor Corporation

Ac/dc converter circuit

An electric circuit for use with an ac power source includes a diode electrically connected to a line input from the ac power source, a transistor having a gate, a drain, and a source, wherein the drain is electrically connected to the diode, a zener diode electrically connected between the gate and the source of the transistor, a resistor electrically connected between the drain of the transistor and a neutral input from the ac power source, and a capacitor electrically connected in parallel with the resistor.. .
Eaton Corporation

Control circuit for semiconductor switching element, and semiconductor device

A control circuit for a semiconductor switching element includes a control terminal, a main electrode terminal, and a current sensing terminal, and controls the semiconductor switching element including a diode connected to the main electrode terminal or the current sensing terminal. The control circuit includes an overheat detection circuit, a current detection circuit, and an interruption circuit.
Mitsubishi Electric Corporation

Wireless power receiver

A wireless power receiver is disclosed. The wireless power receiver comprises: a resonance tank for receiving magnetic resonance-type wireless power; a rectifier including a diode bridge and a first switch connected to both ends of any one diode for forming the diode bridge, so as to rectify wireless power received by the resonance tank and supply the rectified wireless power to a load; and a controller controlling the first switch so as to operate the rectifier as a full-wave rectifier or a half-wave rectifier..
Maps, Inc.

Electrostatic discharge protection apparatus and integrated circuit with multiple power domains

This application discloses an electrostatic discharge protection apparatus and an integrated circuit with multiple power domains. The electrostatic discharge protection apparatus includes a diode and an nmos transistor.
Huawei Technologies Co., Ltd.

Usb type-c load switch esd protection

A mosfet and an electrostatic discharge (esd) protection device on a common chip includes a mosfet with a source, a gate, and a drain, and an esd protection device configured to implement a diode function that is biased to prevent current from flowing through the common chip from the source to the drain.. .
Alpha And Omega Semiconductor Incorporated

White organic light emitting diode and display including the same

Wherein each of r1, r2, and r3 are independently selected from hydrogen, heavy hydrogen, a c5-c7 aromatic cyclic and c1-c6 heterocyclic group.. .

Quantum dot light-emitting diode substrate having a bonding layer, and preparing the same

A quantum dot light-emitting diode substrate having a bonding layer and a method of preparing the same are provided. The quantum dot light-emitting diode substrate comprising a plurality of sub-pixel light-emitting regions (115), wherein each of the sub-pixel light-emitting regions comprises a light-emitting layer (114) comprising a bonding layer (106) and a quantum dot (103) bonded to the bonding layer.
Boe Technology Group Co., Ltd.

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

Wherein each of r1 to r14 is independently selected from hydrogen, substituted or non-substituted c6 to c12 aryl, substituted or non-substituted c3 to c11 heteroaryl, substituted or non-substituted c1 to c10 alkyl, substituted or non-substituted c1 to c10 alkoxy, ether, cyano group (cn), fluorine, tri-fluoro methyl, tri-fluoro methoxy and trimethylsilyl, and at least one of r1 to r10 is the cyano group, and wherein at least one of r11 to r14 is the cyano group, and a is selected from substituted or non-substituted c6 to c30 aryl and substituted or non-substituted c3 to c30 heteroaryl. The present invention also provides an organic light emitting diode and an organic light emitting display device including the organic compound..

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

Light-emitting diode, light-emitting diode package, and lighting system including same

A light emitting diode according to an embodiment includes: a substrate; a first conductive semiconductor layer on the substrate; an active layer on the first conductive semiconductor layer; and a light emitting structure including a second conductive semiconductor layer on the active layer, wherein the active layer includes at least one quantum well layer and at least one quantum barrier layer, and each of the quantum well layers includes a plurality of well layers having different indium composition ratios, thereby improving internal quantum efficiency.. .
Lg Innotek Co., Ltd.

Space solar cell panel with blocking diodes

A solar cell assembly or sub-array for space applications that comprises a string of series connected space qualified solar cells, one of the solar cells being a final solar cell of the string of solar cells. The final solar cell has at least one oblique cut corner.
Solaero Technologies Corp.

Thin film transistor substrate for flat panel display

The present disclosure relates to a thin film transistor substrate for flat panel display including an organic light emitting diode display. The present disclosure provides a device comprising: a substrate; a scan line extending in a first direction on the substrate; a buffer layer on the scan line; a semiconductor layer extending in a second direction and crossing the scan line on the buffer layer; a gate insulating layer on the semiconductor layer; a gate electrode connected to the scan line, and extending in the first direction and crossing the semiconductor layer on the gate insulating layer; an intermediate insulating layer on the gate electrode; a data line crossing the scan line on the intermediate insulating layer; a source electrode branching from the data line and contacting a first side of the semiconductor layer; and a drain electrode facing the source electrode and contacting a second side of the semiconductor layer..
Lg Display Co., Ltd.

Organic light emitting display device and a manufacturing the same

An organic light emitting device includes an organic light emitting diode including an anode and a cathode, a driving transistor including a first semiconductor layer, wherein the driving transistor is electrically connected to the anode of the organic light emitting diode, and a control transistor including a second semiconductor layer including a different material from the first semiconductor layer and configured to control the driving transistor. The first semiconductor layer includes a first channel part, and first and second contact parts, and the second semiconductor layer includes a second channel part, and third and fourth contact parts.
Samsung Display Co., Ltd.

Organic light emitting display device

An organic light emitting display device includes a folding part configured to be folded, and a flat part adjacent to the folding part. The folding part includes a first pixel.
Samsung Display Co., Ltd.

Organic light emitting display and degradation sensing method thereof

A display and degradation sensing method, includes a display panel having a plurality of pixels that each comprise an organic light emitting diode (oled) and thin film transistor (tft). The pixels are divided into multiple pixel groups of two or more pixels, each connected to different data lines but to the same gate and sensing lines.
Lg Display Co., Ltd.

Display device

Display devices are disclosed herein. In one embodiment, the display device includes a plastic substrate comprising a display area and a non-display area, and a data pad portion disposed on one side of the non-display area, with a flexible circuit board bonded thereto, the display area including a plurality of subpixels positioned on the display area, each subpixel including an organic light-emitting diode that includes an organic layer, wherein the organic layer extends continuously from one side of the display area to the other side of the display area and is arranged in a plurality of lines that are spaced apart from one another and disposed parallel to the data pad portion..
Lg Display Co., Ltd.

X-ray detection panel of x-ray detector and manufacturing the same

An x-ray detection panel for x-ray detectors and a method of manufacturing the same are disclosed. The x-ray detection panel includes a substrate, a photodiode disposed on the substrate and generating an electrical signal in response to light illuminating the photodiode, a first thin-film transistor disposed on the substrate and processing the electrical signal generated by the photodiode, and a second thin-film transistor disposed on the substrate and removing a residual current component accumulated in the photodiode and the first thin-film transistor.

Photodiode gate dielectric protection layer

In some embodiments, the present disclosure relates to a method of forming an integrated chip. The method is performed by forming a gate dielectric layer over a substrate, and selectively forming a gate material over the gate dielectric layer.
Taiwan Semiconductor Manufacturing Co., Ltd.

Light-receiving device having avalanche photodiodes of different types

A light-receiving device includes a silicon semiconductor substrate, a plurality of first serial connections each of which includes a first avalanche photodiode (apd) and a first resistor connected in series, and a plurality of second serial connections each of which includes a second avalanche photodiode (apd) and a second resistor connected in series. The first apds and the first resistors are formed on the silicon semiconductor substrate, and the first apds is formed of silicon.
Kabushiki Kaisha Toshiba

Thin film transistor and organic light emitting diode display including the same

A thin film transistor includes a substrate, a semiconductor layer on the substrate, a first insulating layer covering the substrate and the semiconductor layer, a first gate electrode on the first insulating layer and overlapping the semiconductor layer, a second insulating layer covering the first gate electrode and the first insulating layer, a second gate electrode on the second insulating layer and overlapping the semiconductor layer and the first gate electrode, a third insulating layer covering the second gate electrode, a first contact hole defined in the first insulating layer, the second insulating layer and the third insulating layer, and through which a portion of the semiconductor layer is exposed, and a source electrode and a drain electrode connected to the semiconductor layer through the first contact hole.. .
Samsung Display Co., Ltd.

Semiconductor integrated circuit

According to one embodiment, a semiconductor integrated circuit includes: a protection circuit including a first diode whose cathode is connected to a first wiring having a power-supply voltage and whose anode is connected to a first node, and a second diode whose anode is connected to a second wiring having a reference voltage and whose cathode is connected to the first node; a protection resistor that is connected to the first node at one end thereof and is connected to a second node at the other end thereof; a buffer circuit that is connected between the first wiring and the second wiring and has an input terminal to which a voltage at the second node is input; and a switching element that is connected between the first wiring and the second node.. .
Kabushiki Kaisha Toshiba

Semiconductor device, related manufacturing method, and related electronic device

A semiconductor device may include a first-type substrate. The semiconductor device may further include a second-type well configured to form a pn junction with the first-type substrate.
Semiconductor Manufacturing International (shanghai) Corporation

Vertical semiconductor diode manufactured with an engineered substrate

A semiconductor diode includes an engineered substrate including a substantially single crystal layer, a buffer layer coupled to the substantially single crystal layer, and a semi-insulating layer coupled to the buffer layer. The semiconductor diode also includes a first n-type gallium nitride layer coupled to the semi-insulating layer and a second n-type gallium nitride layer coupled to the first n-type gallium nitride layer.
Quora Technology, Inc.

Organic light-emitting display device

A display device includes a scan driver supplying a scan signal to scan lines, an emission control driver supplying an emission control signal to emission control lines, and a data driver supplying data signals to data lines coupled to pixels. Each pixel includes a drive transistor controlling an amount of current from a first power supply to a second power supply via an organic light-emitting diode, and three other transistors.
Samsung Display Co., Ltd.

Organic light emitting diode display device and driving method thereof

The present invention provides an oled display device including a display panel, a data driver and a timing controller. The display panel has sub-pixels for displaying images.
Lg Display Co., Ltd.

Organic light emitting diode display device

Disclosed is an organic light emitting diode (oled) display device. The oled display device includes a target current setting unit connected to a pixel via a data line, to set a target current meeting a data voltage during a sampling period before a holding period to a target current to drive an oled element during the holding period.
Lg Display Co., Ltd.

Device and improved led driving

An electronic device comprises a display and a controller. The controller is configured to provide a first frequency refresh rate to the display.
Apple Inc.

Organic light emitting display panel, organic light emitting display device and the driving the same

An organic light emitting display device can include data lines; scan lines; subpixels; a data driver; and a scan driver, in which each of the subpixels includes: an organic light emitting diode; a driving transistor connected to the organic light emitting diode; a first transistor controlled by a first scan signal applied to a first gate node and connected between the driving transistor and a data line; a second transistor controlled by a second scan signal applied to a second gate node and connected between the driving transistor and a reference voltage line; a third transistor controlled by a data voltage applied to a third gate node and connected between the second gate node of the second transistor and the second scan line; and a storage capacitor connected between the first node and the second node of the driving transistor.. .
Lg Display Co., Ltd.

Power supply unit and display device including the same

Disclosed are a power supply unit and a display device including the same, which prevent a source drive ic from being damaged by a supply reversal between a vdd voltage and an hvdd voltage. The power supply unit may include a first voltage generator that generates a first voltage and a first voltage line connected to the first voltage generator for supplying the first voltage to a plurality of first source drive ics of the display panel.
Lg Display Co., Ltd.

Organic light emitting diode ("oled") visual authentication circuit board

A circuit board that includes oled display technology is provided. An oled display may present light patterns recognizable by a hearing or visually impaired users.
Bank Of America Corporation

Electronic devices with flexible displays having fastened bent edges

An electronic device may be provided with a display having a flexible substrate with fastened bent edges. The flexible substrate may have an active region that includes an array of light-emitting elements such as organic light-emitting diodes.
Apple Inc.

Electronic device with hybrid display, and corresponding systems and methods

A display for an electronic device includes a plurality of pixel portions. Each pixel portion includes one or more electrophoretic capsules disposed above an organic light emitting diode layer.
Motorola Mobility Llc

Light diffusers for backlit displays

An array of pixels in a display may be illuminated by a backlight having an array of light-emitting diodes in an array of respective light-emitting diode cells. A cavity reflector in each cell may help distribute blue light emitted from the light-emitting diode of that cell toward edges of the cell.
Apple Inc.

Backlighting technique for liquid crystal and other displays in electronic instruments

A backlight system for a display device which comprises a light emitting diode comprising an encapsulating lens and an aspheric lens interposed between the light emitting diode and the display device. The backlight system provides a luminance of substantially 100k nits at a cone angle of substantially 12° and is of particular utility in conjunction with laser-based range and speed measurement instruments..
Kama-tech (hk) Limited

Stereoscopic display apparatus employing light emitting diodes with polarizing film/lens materials

A stereoscopic display system including an array of light emitting diodes (leds) is provided. The system includes a plurality of left leds, each left led comprising a left housing, a left light transmitter arrangement within the left housing, and a left polarizing element positioned with the left housing above the left light transmitter arrangement and a plurality of right leds, each right led comprising a right housing, a right light transmitter arrangement within the right housing, and a right polarizing element positioned with the right housing and above the right light transmitter arrangement.
3d Live

Communication receiver

A transimpedance amplifier and photodiode that has a bias voltage node established at a bias voltage and a ground node/plane that connects, over a short distance as compared to the prior art, to a photodiode and a transimpedance amplifier. The photodiode is in a substrate and configured to receive and convert an optical signal to an electrical current.
Macom Technology Solutions Holdings, Inc.

Method and obtaining optical measurements in a device handling split-beam optical signals

A photonic device such as a polarization controller includes a coupler, such as a 2×2 mmi coupler, or a series of such couplers. Couplers may be interspersed with other components such as phase shifters.
Huawei Technologies Co., Ltd.

Splice with cladding mode light stripping

Beam combining optical systems include a fiber beam combiner having multiple inputs to which output fibers of laser diode sources are spliced. Cladding light stripping regions are situated at the splices, and include exposed portions of fiber claddings that are at least partially encapsulated with an optical adhesive or a polymer.
Nlight, Inc.

Flow cytometer

The disclosed flow cytometer includes a wavelength division multiplexer (wdm). The wdm includes an extended light source providing light that forms an object, a collimating optical element that captures light from the extended light source and projects a magnified image of the object as a first light beam, and a first focusing optical element configured to focus the first light beam to a size smaller than the object of the extended light source to a first semiconductor detector.
Iris International, Inc.

Flow cytometer

The disclosed flow cytometer includes a wavelength division multiplexer (wdm). The wdm includes an extended light source providing light that forms an object, a collimating optical element that captures light from the extended light source and projects a magnified image of the object as a first light beam, and a first focusing optical element configured to focus the first light beam to a size smaller than the object of the extended light source to a first semiconductor detector.
Iris International, Inc.

Space-based sodium lidar instrument and operation

The present invention relates an apparatus and method for measuring range-resolved atmospheric sodium temperature profiles using a space-based lidar instrument, including a diode-pumped q-switched self-raman c-cut nd:yvo4 laser with intra-cavity frequency doubling that could produce multi-watt 589 nm wavelength output. The c-cut nd:yvo4 laser has a fundamental wavelength that is tunable from 1063-1067 nm.
U.s.a. As Represented By The Administrator Of The National Aeronautics And Space Administration

Apparatus for detecting illumination levels

An apparatus includes a single photon avalanche diode pixel that includes a single photon avalanche diode and an output transistor configured to provide an analog output current from the single photon avalanche diode. The single photon avalanche diode pixel is configured to operate in a first mode to output a digital single photon detection event.
Stmicroelectronics (research & Development) Limited

Light-emitting diode obstruction light

An obstruction light can include a parabolic reflector having a first end, a second end disposed opposite the first end, and a surface having a curvature disposed therebetween. The obstruction light can also include a light assembly coupled to the parabolic reflector, where the light assembly includes at least one array of light sources, where the light assembly is disposed adjacent to the first end of the parabolic reflector, and where the at least one array of light sources is directed toward the surface..
Cooper Technologies Company

Ester-based solvent systems for printable organic light-emitting diode ink formulations

Ink compositions for forming active layers in an organic light-emitting diode are provided. Also provided are methods of forming active layers of an oled using the ink compositions.
Kateeva, Inc.

Specific n and p active materials for organic photoelectric conversion layers in organic photodiodes

The field of the disclosure lies in active materials for organic image sensors. The present disclosure relates to naphtalene diimide-based molecules and naphtalene diimide dimer-based molecules.
Sony Corporation

Method and characterization of x-ray energy outputs of medical x-ray generators

A method for continuously evaluating an x-ray unit. The method includes placing an x-ray sensor converter having a photo diode and a scintillation crystal in a path of an x-ray beam emitted by the x-ray unit, using the x-ray sensor converter to convert an x-ray beam energy into an electric signal, providing an amplifier connected to the x-ray sensor converter, conveying the electric signal from the x-ray sensor converter to the amplifier, amplifying the electric signal with the amplifier, and measuring a spectrum of the x-ray tube energy by continuously sampling and quantifying the amplified electric signal..
Iyov Intellectual Properties

Body-worn system for measuring continuous non-invasive blood pressure (cnibp)

The present invention provides a technique for continuous measurement of blood pressure based on pulse transit time and which does not require any external calibration. This technique, referred to herein as the ‘composite method’, is carried out with a body-worn monitor that measures blood pressure and other vital signs, and wirelessly transmits them to a remote monitor.
Sotera Wireless, Inc.

Endoscope ideal for single use

The present invention is about an endoscope ideal for a single use. The endoscope is able to enter human's body capturing real-time endourologic imaging, bending the distal end, and allowing the entrance of surgical tools.
Wisetek International Llc, A California Limited Liability Company

Ear-mounted device

Ear-mounted apparatus are provided for secure and comfortable load bearing in support of optical, biosensor, and mobile communication functionalities. In particular, a load-bearing ear unit is provided which includes an anchor for stable attachment in an ear and a member extending from the anchor.
Freebit As

Electrostatic pen

An electrostatic pen has a switch, control circuitry to control the switch and a pen point electrode. The switch has first, second and third terminals and a first diode having an anode coupled to the first terminal and a cathode coupled to the third terminal.
Ball Horticultural Company

Hybrid dimming for lighting circuits

A lighting circuit includes a light emitting diode (led), a transistor that controls a current through the led, and a controller integrated circuit (ic) that controls the transistor to vary a brightness of the led. The controller ic has a dimming pin that receives a hybrid dimming signal from a dimming input circuit.
Fairchild Korea Semiconductor Ltd.

Lighting circuit with internal reference thresholds for hybrid dimming

A lighting circuit includes a light emitting diode (led), a transistor that controls a current through the led, and a lighting controller integrated circuit (ic) that controls the transistor to vary a brightness of the led. The controller ic has a dimming pin that receives a dimming signal.
Fairchild Korea Semiconductor Ltd.

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

A solid-state imaging device where when the charge from a photodiode pd11 is small, all of the charge is transferred to the feedback capacitor to obtain an output voltage amplified with a high gain due to a mirror effect created by a ctia circuit including an amplifier arranged in a readout circuit and a feedback capacitor, while when the ctia circuit is saturated, due to automatic reduction of the mirror effect, the remaining excessive charge is moved to a floating diffusion fd11 having a larger capacitance to obtain an output voltage amplified with a low gain and where the obtained voltage is simultaneously output from the pixel and taken into a column sampling circuit. Due to this, a low-luminance signal can be read out with a high gain, a high-luminance signal can be read out with a low gain suppressing saturation, and in addition, signals of a high gain and low gain can be obtained by two reading operations.
Brillnics Inc.

Method and system for split voltage domain receiver circuits

Methods and systems for split voltage domain receiver circuits are disclosed and may include amplifying complementary received signals in a plurality of partial voltage domains. The signals may be combined into a single differential signal in a single voltage domain.
Luxtera, Inc.

Gate-driving apparatus

Disclosed herein is a gate-driving apparatus configured for stably providing a voltage having a negative value to a gate of a switch, including a sic(silicon carbide)-based fet (field effect transistor), which requires a negative voltage having a negative value to implement a stable off state. The gate-driving apparatus includes a negative-voltage application circuit including a zener diode and a capacitor connected in parallel to the zener diode, wherein the zener diode may have a cathode connected to a secondary coil of a pulse transformer and an anode connected to the gate of the switch..
Hyundai Motor Company

Wirless power transfer control

Certain aspects of the present disclosure relate to methods and apparatus for controlling a power level of wireless power transfer. Certain aspects provide a wireless power receiver.
Qualcomm Incorporated

Supplemental power system for power over ethernet lighting luminaries

A power and control module for a power over ethernet (poe) light emitting diode (led) lighting system includes an input channel for receiving poe input power from a poe switch, an output channel for providing poe output power to a plurality of led light fixtures and a power transfer unit coupled between the input and output channel for providing the poe input power and/or a secondary input power to the output channel as the poe output power. A secondary power input unit selectively provides secondary power to the power transfer unit.
Leviton Manufacturing Co., Inc.

System and high speed, high voltage swing electrostatic discharge protection

An esd protection circuit for an ic having multiple diodes coupled in series between a signal pad and a reference pad including a first diode coupled to the signal pad, a last diode coupled to the reference pad, and at least one intermediate diode. The protection circuit includes a bias network which may include one or more resistors, each coupled in parallel with a corresponding intermediate diode.
Silicon Laboratories Inc.

Semiconductor laser apparatus

According to the present invention, in a time wavelength division multiplexing-passive optical network (twdm-pon) such as the next generation passive optical network 2 (ng-pon2) requiring a burst mode operation, in a process of manufacturing a semiconductor laser requiring selection of a very narrow wavelength, two laser waveguides having different oscillation wavelengths are formed in one laser diode chip, thereby making it possible to improve a wavelength yield of the chip. In addition, when any one laser waveguide participates in communication, a current applied to a waveguide laser that does not participate in the communication is modulated and applied to the waveguide laser, with respect to a wavelength change generated by a change in a current applied to a burst mode operation waveguide laser participating in the communication, to stabilize a wavelength of laser light oscillated from the laser waveguide participating in the communication, thereby enabling burst mode communication at a dense wavelength division multiplexing (dwdm) level..
Phovel.co.ltd.

Laser device

To provide a laser device allowing the prevention of dew formation on a cooler of the laser device, while contributing to a longer lifetime of a humidity sensor to be used. A laser device includes a laser diode and a cooler for cooling the laser diode.
Fanuc Corporation

Flexible organic light emitting diode display and fabricating the same

A flexible organic light emitting diode display and a method of fabricating the same are provided. The method has steps of: performing a patterning process on a photoresist layer to form a plurality of photoresist portions; etching a fluoropolymer layer to form a plurality of polymerization portions; depositing a material of a light extracting enhanced layer on the photoresist portions to form a plurality of light extracting enhanced portions; removing the fluoropolymer layer and the photoresist layer; fabricating a buffer layer on the light extracting enhanced portions; and fabricating a second waterproof layer on the buffer layer..
Wuhan China Star Optoelectronics Technology Co., Ltd.

Organic light emitting diode and organic light emitting diode display including the same

An organic light emitting diode according to the present disclosure includes a first electrode, a second electrode overlapping the first electrode, and an emission layer disposed between the first electrode and the second electrode. The second electrode includes a bottom region and a top region.
Samsung Display Co., Ltd.

Organic light emitting diode and organic light emitting display device using the same

An organic light emitting diode and an organic light emitting display apparatus using the organic light emitting diode are provided. The organic light emitting diode includes a first electrode; a second electrode; and an organic layer between the first electrode and the second electrode to emit white light, and the organic layer is configured to emit white light in which an x-axis coordinate value in a color coordinate system is equal to or greater than 0.29, a y-axis coordinate value in the color coordinate system is in a range of 0.32 to 0.45, and the y-axis coordinate value in the color coordinate system is equal to or greater than the x-axis coordinate value in the color coordinate system..
Lg Display Co., Ltd.

High-performance led fabrication

High-performance light-emitting diode together with apparatus and method embodiments thereto are disclosed. The light emitting diode devices emit at a wavelength of 390 nm to 470 nm or at a wavelength of 405 nm to 430 nm.
Soraa, Inc.

Reducing dark current in germanium photodiodes by electrical over-stress

Systems for reducing dark current in a photodiode include a heater configured to heat a photodiode above room temperature. A reverse bias voltage source is configured to apply a reverse bias voltage to the heated photodiode to reduce a dark current generated by the photodiode.
International Business Machines Corporation

Graphene-based detector for w-band and terahertz radiations

A method for detecting w-band and terahertz radiations is disclosed. The method provides a graphene-si schottky diode that includes a graphene monolayer having an ohmic contact with a source electrode supported on a top surface of a doped silicon substrate by an insulating layer, and extends over an edge of the source electrode and contacts the top surface, in a manner forming a schottky junction.

Semiconductor device with a source trench electrode

A semiconductor device includes a body region arranged between source and drift regions in a semiconductor body. A gate trench extends from a first surface of the semiconductor body, through the source and body regions and into the drift region.
Infineon Technologies Ag

Multi-functional active matrix organic light-emitting diode display

A multi-functional active matrix display comprises a transparent front sheet, a semi-transparent layer of light emissive devices adjacent the rear side of the front sheet and forming a matrix of display pixels, and a solar cell layer located behind the light emissive devices for converting both ambient light and internal light7 from the light emissive devices into electrical energy, the solar cell layer including an array of electrodes on the front surface of the solar cell layer for use in detecting the location of a change in the amount of light impinging on a portion of the front surface of the solar cell layer.. .
Ignis Innovation Inc.

Light emitting diode display device and manufacturing method thereof

The disclosure provides an led display device including a substrate, at least one first bonding pad and at least one second bonding pad, at least one spacer, at least one led, and a conductive paste layer. The first and the second bonding pads are disposed on the substrate.
Innolux Corporation

Compensation of temperature effects in semiconductor device structures

A method includes providing a semiconductor device structure including a substrate having a semiconductor-on-insulator (soi) region and a hybrid region. A semiconductor device is provided in the soi region.
Globalfoundries Inc.

Self-balanced diode device

A self-balanced diode device includes a substrate, a doped well, at least one first conductivity type heavily doped fin and at least two second conductivity type heavily doped fins. The doped well is arranged in the substrate.
Amazing Microelectronic Corp.

Integrated device with p-i-n diodes and vertical field effect transistors

An integrated device is provided. The integrated device includes a substrate having a doped upper surface section and an insulator to define first and second substrate regions on opposite sides thereof.
International Business Machines Corporation

Method of fabricating light emitting diode module

A method of fabricating a led module includes preparing a circuit board, such that the circuit board includes a reflective laminate around a chip mounting region and an electrode pad in the chip mounting region, preparing a mask, such that the mask includes a protruding portion with a discharge hole, and the protruding portion is inserted into a space surrounded by the reflective laminate, dispensing solder paste onto the electrode pad using the mask, and bonding an electrode of a led chip to the electrode pad of the circuit board using the solder paste.. .
Samsung Electronics Co., Ltd.

Solenoid coil discharging circuit

A solenoid coil discharging circuit includes a rectifier, transistor, and diode. The rectifier is coupled to an alternating current signal, and provides a rectified signal in response to being coupled to the alternating current signal.
Target Rock Division Of Curtiss-wright Flow Control Corporation

Resistive memory and memory cell

A memory unit is provided. The memory unit includes a resistive element, a diode, and a first transistor.
Vanguard International Semiconductor Corporation

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.

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.

Illumination apparatus confining light by total internal reflection and methods of forming the same

In various embodiments, an illumination apparatus includes an air gap between a sub-assembly and a waveguide attached thereto at a plurality of discrete attachment points, as well as a bare-die light-emitting diode encapsulated by the waveguide.. .

Multilayer optical compensation film having reversed wavelength dispersion

Disclosed is a multilayer optical compensation film comprising a first layer comprising a positive c-plate material and a second layer comprising a polyimide, as well as polymer compositions and resins and solutions containing said polymer compositions. The optical compensation film has a reversed wavelength dispersion that is capable of providing an achromatic (or broadband) retardation compensation.
Akron Polymer Systems, Inc.

Led-based fiber property measurement

The apparatus is for measuring at least one of color and trash in a fiber sample. A light emitting diode light source generates an incident light that is directed toward the fiber sample, and reflected by the fiber sample, thereby producing a reflected light.
Uster Technologies Ag

Dual detection scheme for dna sequencing

Apparatus for fluorescent and ion sensing of dna nucleotide incorporation events including dna nucleotide incorporation structure designed to have sequencing primers bonded to a surface for the incorporation of dna nucleotides thereon. At least some of the dna nucleotides having a fluorescent label.

Optical measurement counting and/or differentiating leucocytes

Optical device (200) for blood analysis is in particular designed for the counting and differentiation of leucocytes in an automatic blood analysis apparatus and includes a light source (201) of the electroluminescent diode type in order to illuminate a blood sample (311) circulating in an optical tank.. .
C2 Diagnostics

Light emitting module and lens

A light emitting module includes a substrate, a light emitting diode chip, and a lens. The light emitting diode chip is disposed on the substrate.
Seoul Semiconductor Co., Ltd.

Improvements in relation to lighting

A light assembly comprising a two dimensional array of light emitting diodes arranged to emit light in a forwards direction, and a light pipe means mounted in front of said array, wherein said light pipe means has a convex front face portion from which the light is beamed.. .
Ic One Two Pty Ltd

Multi-configurable light emitting diode (led) flat panel lighting fixture

A mounting bracket for mounting a light emitting diode (led) flat panel light to a mounting surface is provided. The mounting bracket comprises a bracket frame.
Feit Electric Company, Inc.

Downhole control sensing system

A well system with an electrical control and sensing system includes a first conductor and a second conductor. A first switching circuit is coupled between the first conductor and the second conductor.
Halliburton Energy Services, Inc.

Rear window security grid and light system

A rear window security grid and light system has a frame, a grid within it, cross units forming the grid, and a left member and a right member in each cross unit. The grid has a primary cross unit centered upon the frame.

Wound care method and system with one or both of vacuum-light therapy and thermally augmented oxygenation

A system for treatment of a wound area of a patient including a first treatment pad comprising a plurality of light emitting diodes (leds) for cleaning and exposing a wound area to ultraviolet light, a second treatment pad comprising removal ports for exposing the wound area to a negative pressure, and a control unit interoperably connected to the first and second treatment pads for providing a negative pressure and the ultraviolet light to the wound area.. .
Thermotek, Inc.

Light emitting diode light structures

A light emitting diode (led) light includes a bridge rectifier configured to be powered by an alternating current power source and to produce a rectified output. Control circuitry couples to the bridge rectifier and is configured to produce a shunt signal when the rectified output is less than a threshold voltage.
Austin Ip Partners

Light emitting device and led light bulb

A light emitting device includes: a first white light source which includes n pieces of first white light emitting diodes and emits a first white light; and a second white light source which includes m pieces of second white light emitting diodes and a first resistance element electrically connected in series to the second white light emitting diodes and having a first resistance value, is electrically connected in parallel to the first white light source, and emits a second white light, the light emitting device emitting a mixed white light of the first white light and the second white light. The drive voltage of the first white light source is higher than a drive voltage of the second white light source, and a color temperature of the mixed white light is higher as a total luminous flux of the mixed white light is higher..
Phoenix Electric Co., Ltd.

Global shutter image sensor pixels having improved shutter efficiency

An image sensor may be provided with an array of image sensor pixels formed on a substrate having front and back surfaces. Each pixel may have a photodiode that receives light through the back surface, a floating diffusion node, a charge transfer gate, and first and second reset transistor gates.
Semiconductor Components Industries, Llc

Visible light communication device and driving method thereof

A visible light communication device includes a light-emitting unit, a switch-mode light-emitting diode (led) driver, a synthesizing circuit, and a path selection circuit. The switch-mode led driver provides a driving current for driving the light-emitting unit.
Industrial Technology Research Institute

Method and system for reliable bootstrapping switches

Methods and systems for reliable bootstrapping switches may comprise sampling a received signal with a bootstrapping switch, where the bootstrapping switch comprises a switching metal-oxide semiconductor (mos) transistor having a pull-down path coupled to a gate terminal of the switching mos transistor, wherein: source terminals of both a diode-connected transistor and a second mos transistor are coupled to the gate terminal of the switching mos transistor; drain terminals of both the diode-connected transistor and the second mos transistor are coupled to a source terminal of a third mos transistor, the third mos transistor coupled in series with a fourth mos transistor; and a drain terminal of the fourth mos transistor is coupled to ground. The third and fourth mos transistors may be in series with the second mos transistor.
Maxlinear, Inc.

Amplifier circuit with overshoot suppression

An amplifier circuit including an input amplifier, an output amplifier and a diode device is provided. The output amplifier is coupled to the input amplifier and outputting an output voltage.
Novatek Microelectronics Corp.

Temperature-compensated rectifying component

A temperature-compensated rectifying component is configured to receive an input signal and comprises: a diode part, for rectifying the received input signal and providing a rectified output signal thereby, the diode part having an operational temperature; and a temperature compensation controller, configured to control a power dissipated by the diode part over a predetermined period of time, such that an average of the operational temperature over the predetermined period of time meets pre-set criteria. This may be used in a rf detector for generating a dc level from a rf input signal, which may form part of a control circuit for setting an amplitude of an rf potential for supplying to an electronic amplifier in an analytical instrument, such as an ion optical device..
Thermo Fisher Scientific (bremen) Gmbh

Charge pump and switch control circuit

A charge pump includes: a first diode that is connected to a first node; a second diode that is connected to a second node; a pump capacitor that is connected to a third node to which the first diode and the second diode are connected; a power supply capacitor that is connected to the pump capacitor; a third diode that is connected between the pump capacitor and the power supply capacitor; and a zener diode that is connected in parallel to the third diode and the power supply capacitor. A power supply device decreases a ripple of an output current using a ripple reduction signal..
Fairchild Korea Semiconductor Ltd.

Method to tune emission wavelength of wavelength tunable laser apparatus and laser apparatus

A method to tune an emission wavelength of a wavelength tunable laser apparatus is disclosed. The laser apparatus implements, in addition to a wavelength tunable laser diode (t-ld) integrating with a semiconductor optical amplifier (soa), a wavelength monitor including an etalon filter.
Sumitomo Electric Device Innovations, Inc.

Ruby laser pumped ultrashort pulse laser

An apparatus and method are provided for producing an ultrashort pulsed output beam. A 694 nm pump beam from a first gan semiconductor laser diode pumped, q-switched ruby laser is directed into at least one amplifier that includes a broadband gain element doped with trivalent chromium ions (cr3+).
Wfk Lasers, Llc.

Light emitting diode and display device including the same

An exemplary embodiment of the present disclosure provides a light emitting diode including: a first electrode; a second electrode configured to overlap the first electrode; an emission layer between the first electrode and the second electrode; and an electron-injection layer between the emission layer and the first electrode, wherein the electron-injection layer includes a compound xin, in xin the subscript n is an integer which is in a range of 1 to 3, and x includes a lanthanide element.. .
Samsung Display Co., Ltd.

Multi-material led heat sinks

A number of variations may include a product that may include a first heat sink that may include a first face opposite a second face, a plurality of fins disposed on the second face, and a recess that may be defined by the first face; a second heat sink may be disposed within the recess and may have a third face opposite a fourth face wherein the fourth face may be disposed within the recess; and a light-emitting diode may be disposed on the fourth face of the second heat sink.. .
Gm Global Technology Operations Llc

Package structure for ultraviolet light-emitting diode

The present embodiment discloses a package structure for ultraviolet led, which comprises a substrate, an ultraviolet light-emitting diode (led), and an optical device. The wavelength of the light emitted by the ultraviolet led is between 200 and 400 nm.
Institute Of Nuclear Energy Research, Atomic Energy Council, Executive Yuan, R.o.c.

Micro-light-emitting diode device

A micro-light-emitting diode device includes a first semiconductor layer, an active layer, and a second semiconductor layer. The first semiconductor layer has a first bottom surface.
Au Optronics Corporation

Method of manufacturing a semiconductor device

Provided is a method of manufacturing a semiconductor device having a photodiode that has a shallow p-n junction and thus achieves high sensitivity to an ultraviolet ray, in which an oxide containing impurities at high concentration is deposited on the surface of the silicon substrate, and thereafter a diffusion region is formed to have a shallow junction by performing thermal diffusion of a rapid temperature change, with the use of a high-speed temperature rising and falling apparatus without using ion implantation into the silicon substrate.. .
Sii Semiconductor Corporation

Power semiconductor element and power semiconductor module using same

In a schottky barrier diode comprising silicon carbide: an active region includes a first semiconductor region of a first conductivity type configuring a first schottky junction having a plurality of linear patterns between a first electrode and the first semiconductor region and a second semiconductor region of a second conductivity type adjacent to the first schottky junction and connected to the first electrode; at the border of the active region and a periphery region, a second schottky junction comprising the first electrode and the first semiconductor region and having at least one annular pattern surrounding the linear patterns is provided and the second semiconductor region is adjacent to the second schottky junction and is connected to the first electrode; and the first and second schottky junctions are conductive parts and the second semiconductor region is a nonconductive part in a forward bias state.. .
Hitachi, Ltd.

Bidirectional zener diode

A bidirectional zener diode of the present invention includes a semiconductor substrate of a first conductivity type, a first electrode and a second electrode which are defined on the semiconductor substrate, and a plurality of diffusion regions of a second conductivity type, which are defined at intervals from one another on a surface portion of the semiconductor substrate, to define p-n junctions with the semiconductor substrate, and the plurality of diffusion regions include diode regions which are electrically connected to the first electrode and the second electrode, and pseudo-diode regions which are electrically isolated from the first electrode and the second electrode.. .
Rohm Co., Ltd.

Semi-floating gate fet

A semi-floating gate transistor is implemented as a vertical fet built on a silicon substrate, wherein the source, drain, and channel are vertically aligned, on top of one another. Current flow between the source and the drain is influenced by a control gate and a semi-floating gate.
Stmicroelectronics, Inc.

Power mosfet, an igbt, and a power diode

Super-junction mosfets by trench fill system requires void-free filling epitaxial growth. This may require alignment of plane orientations of trenches in a given direction.
Renesas Electronics Corporation

Metallization and its use in, in particular, an igbt or a diode

A vertical power semiconductor component includes a semiconductor chip, the semiconductor chip having a top main surface and a bottom main surface. Each of said top main surface and said bottom main surface is in a heat exchanging relationship with a top metallization layer and a bottom metallization each of which serving as a heat sink.
Infineon Technologies Ag

Organic light emitting display device

Provided is an organic light emitting display device including a base substrate, a pixel layer, a quantum dot layer, and a thin film encapsulation part. The pixel layer includes a plurality of organic light emitting diodes on the base substrate.
Samsung Display Co., Ltd.

Organic light emitting diode display, optical unit, and manufacturing optical unit

An organic light emitting diode display includes: a display module including a first organic light emitting diode to emit light with a first wavelength, a second organic light emitting diode to emit light with a second wavelength, and a third organic light emitting diode to emit light with a third wavelength; a phase difference layer including a first liquid crystal pattern on the first organic light emitting diode, and a second liquid crystal pattern on the second organic light emitting diode and the third organic light emitting diode; and a linear polarization layer on the phase difference layer.. .
Samsung Display Co., Ltd.

Memory devices and memory device forming methods

Some embodiments include memory devices having a wordline, a bitline, a memory element selectively configurable in one of three or more different resistive states, and a diode configured to allow a current to flow from the wordline through the memory element to the bitline responsive to a voltage being applied across the wordline and the bitline and to decrease the current if the voltage is increased or decreased. Some embodiments include memory devices having a wordline, a bitline, memory element selectively configurable in one of two or more different resistive states, a first diode configured to inhibit a first current from flowing from the bitline to the wordline responsive to a first voltage, and a second diode comprising a dielectric material and configured to allow a second current to flow from the wordline to the bitline responsive to a second voltage..
Micron Technology, Inc.

Dot matrix light-emitting diode light source for a wafer-level microdisplay and fabricating the same

A dot matrix light-emitting diode (led) backlighting light source for a wafer-level microdisplay includes a substrate, multiple led sets arranged at spaced intervals, a first electrode assembly, and a second electrode assembly. The multiple led sets have multiple leds spaced apart and aligned in a first direction.
Trend Lighting Corp.

Light-emitting diode

A light-emitting diode comprises: a first light-emitting structure, comprising: a first area comprising a side wall; a second area; and a first isolation path having an electrode isolation layer between the first area and the second area, wherein the side wall of the first area is in the first isolation path; an electrode contact layer covering the side wall of the first area, wherein the electrode contact layer is separated from electrode isolation layer; an electrical connecting structure covering the second area; and an electrical contact layer under the electrical connecting structure, wherein the electrical contact layer directly contacts the electrical connecting structure; wherein each of the first area and the second area sequentially comprises a first conductive type semiconductor layer, an active layer, and a second conductive type semiconductor layer.. .
Epistar Corporation

Solid-state imaging element, imaging device, and electronic apparatus

The present technology relates to a solid-state imaging element, an imaging device, and an electronic apparatus which enable enhancement of focusing accuracy and sensitivity and suppression of color mixing, in a high image height portion. Incident light is condensed by a main lens, and the condensed light is condensed by a plurality of on-chip lenses.
Sony Corporation

Optoelectronic device

The optoelectronic device includes a matrix of optoelectronic components including semiconductor optical amplifiers soas, the semiconductor optical amplifiers soas containing an active layer of gallium nitride gan having multiple ingan/gaasn or ingan/algan quantum wells on a substrate of p-doped gallium nitride and covered with a layer of n-doped gallium nitride. The p-doped gallium nitride gan substrate forms a column of p-gan covered with a layer of an insulator in biocompatible material.
Alcatel Lucent

Goa circuit for narrow border lcd panel

The invention provides a goa circuit for narrow border lcd panel, by disposing a first node leakage prevention unit (700) comprised of ninth tft (t9), tenth tft (t10) and third capacitor (c3), wherein the ninth tft (t9) has gate and source connected to the output clock signal (ck) to form a diode structure to charge the third capacitor (c3) and fourth node (h(n)) to high voltage; the tenth tft (t10) clears the fourth node during stage-propagated signal duration to ensure normal charging for the first node (q(n)). The goa circuit is applicable to dual-side progressive scanning architecture and also to dual-side interlaced scanning architecture, and able to prevent current leakage in the first node under dual-side interlaced scanning architecture to ensure stable operation of circuit and improve reliability of goa circuit.
Wuhan China Star Optoelectronics Technology Co. Ltd.

Esd protection device and manufacturing the same

Disclosed is a method for manufacturing an esd protection device. The esd protection device includes a rectifier diode and an open-base bipolar transistor, the anode of the rectifier diode is the first doped region and the cathode of the rectifier diode is the semiconductor substrate, the emitter region, base region and collector region of the open-base bipolar transistor are the second doped region, the epitaxial semiconductor layer and semiconductor substrate, respectively, the first doped region and the second doped region extend through the doped region into the epitaxial semiconductor layer by a predetermined depth.
Silergy Semiconductor Technology (hangzhou) Ltd.

Power control in an organic light emitting diode (oled) display device

Embodiments of systems and methods for power control in an organic light emitting diode (oled) display device are described. In an embodiment, a method includes monitoring a level of current draw from an organic light emitting diode (oled) display device.
Dell Products L.p.

Display panel, display device, and driving a pixel circuit

The disclosure discloses a display panel, a display device, and a method for driving a pixel circuit, and the pixel circuit includes a data writing module, a light-emission control module, a driver control module, a threshold compensation module, an anode resetting module, a node initialization module, and an organic light-emitting diode. The threshold compensation module can compensate for drifting of threshold voltage of the driver transistor so that the pixel circuit can emit light and display while operating current of the driver transistor to drive the light-emitting element to emit light is only dependent upon a signal on the data line and voltage at a reference signal end, but independent of the threshold voltage and a first power source voltage end to thereby avoid the threshold voltage and an ir drop from affecting the current flowing through the organic light-emitting diode..
Shanghai Tianma Am-oled Co., Ltd.

Display apparatus

A display apparatus comprises a plurality of scan lines and a plurality of data lines intersected with the scan lines in a grid, a plurality of pixel units, a first driving circuit for providing a plurality of scanning signals to the plurality of pixel units, and a plurality of pixel driving circuits. Each pixel driving circuit corresponds to one of the plurality of pixel units, and drives the corresponding pixel unit.
Hon Hai Precision Industry Co., Ltd.

Organic light emitting display device and electronic device having the same

An organic light emitting display device includes a display panel including pixels that includes an organic light emitting diode that emits light based on a driving current, a data driver providing a data signal to the pixels through a data line, a scan driver providing a scan signal to the pixels through a scan line, an emission control driver providing an emission control signal to the pixels through an emission control line, a first power provider providing a first high power voltage to the pixels through a first power providing line and a second power provider providing a second high power voltage to the pixels through a second power providing line and coupled to the first power provider. The second power provider includes a static current circuit that maintains the driving current having uniform value when the display panel is operated in a low frequency driving mode..
Samsung Display Co., Ltd.

Display with vias for concealed printed circuit and component attachment

An electronic device may include a display. The display may be an organic light-emitting diode display.
Apple Inc.

Touch organic light-emitting diode display device and touch device

A touch organic light-emitting diode display device including an organic light-emitting diode display, a touch panel, and a linear polarizing layer is provided. The touch panel is disposed on the organic light-emitting diode display, and the touch panel includes a substrate, a driving electrode, a sensing electrode, and a dielectric layer.
Young Lighting Technology Inc.

Electronic detonator, electronic ignition module (eim) and firing circuit for enhanced blasting safety

Disclosed examples include firing control electronic circuits, such as electronic ignition modules (eims), electronic detonators and firing circuits for blasting applications, in which a zener diode or one or more general purpose diodes is connected between a firin