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Diode patents



      
           
This page is updated frequently with new Diode-related patent applications. Subscribe to the Diode RSS feed to automatically get the update: related Diode RSS feeds. RSS updates for this page: Diode RSS RSS


Organic light emitting diode display and method for manufacturing the same

Visible light communication method using dmx-512 network and device for the same

System for transmitting optical signals

Date/App# patent app List of recent Diode-related patents
07/17/14
20140200636
 Laser diode package patent thumbnailLaser diode package
A laser package for use in a dermatological treatment device may include a conductive carrier, an insulation layer arranged over a first region of a first side of the conductive carrier, a semiconductor laser device mounted to a second region of the first side of the conductive carrier, and a conductive film secured to the semiconductor laser device and extending over at least a portion of the insulation layer, such that the conductive film is insulated from the conductive carrier by the insulation layer, and wherein a coefficient of thermal expansion of the semiconductor laser device differs from a coefficient of the conductive carrier to which it is mounted by more than 20%.. .
07/17/14
20140199794
 Organic light emitting diode display and method for manufacturing the same patent thumbnailOrganic light emitting diode display and method for manufacturing the same
An organic light emitting diode (oled) display and a manufacturing method thereof, the oled display includes: a substrate main body; a polycrystalline silicon layer pattern including a polycrystalline active layer formed on the substrate main body and a first capacitor electrode; a gate insulating layer pattern formed on the polycrystalline silicon layer pattern; a first conductive layer pattern including a gate electrode and a second capacitor electrode that are formed on the gate insulating layer pattern; an interlayer insulating layer pattern formed on the first conductive layer pattern; and a second conductive layer pattern including a source electrode, a drain electrode and a pixel electrode that are formed on the interlayer insulating layer pattern. The gate insulating layer pattern is patterned at a same time with any one of the polycrystalline silicon layer pattern and the first conductive layer pattern..
07/17/14
20140199078
 Visible light communication method using dmx-512 network and device for the same patent thumbnailVisible light communication method using dmx-512 network and device for the same
Disclosed herein is a visible light communication method and device using a dmx-512 network. In the visible light communication method, dimming data packets are received.
07/17/14
20140199020
 System for transmitting optical signals patent thumbnailSystem for transmitting optical signals
Optical signal emission system comprising a passive optical chip (6) and a laser diode (2) disposed at the boundary of said passive optical chip (6), said passive optical chip (6) being furnished with a reflecting structure (5) in upper surface, of a waveguide (7) in upper surface, passing through said passive optical chip (6), linked to the output of said laser diode (2) and passing through said reflecting structure (5), and of an active or non-linear thin layer portion (8) powered by said laser diode (2), covering a part of said waveguide (7), between said laser diode (2) and said reflecting structure (5).. .
07/17/14
20140198532
 Light emitting apparatus patent thumbnailLight emitting apparatus
A lighting apparatus comprising a plurality of diodes and an electrical interface configured to receive an electrical signal and transmit the electrical signal to the plurality of diodes is provided.. .
07/17/14
20140198528
 Wavelength conversion chip for a light emitting diode, and method for manufacturing same patent thumbnailWavelength conversion chip for a light emitting diode, and method for manufacturing same
There is provided a method of manufacturing a wavelength converted led chip, including attaching a plurality of led chips to a chip alignment region of an upper surface of a temporary support plate, forming a conductive bump on the electrode of the respective led chips, forming a phosphor-containing resin encapsulation part in the chip alignment region to cover the conductive bump, polishing the phosphor containing resin encapsulation part, forming the wavelength converted led chips by cutting the provided phosphor containing resin encapsulation part between the led chips, the wavelength converted led chip including a wavelength conversion layer obtained from the phosphor containing resin encapsulation part and formed on lateral surfaces and an upper surface of the wavelength converted led chip, and removing the temporary support plate from the wavelength converted led chip.. .
07/17/14
20140198508
 Wide-angle illumination device patent thumbnailWide-angle illumination device
Disclosed is a wide-angle illumination device including a base, a conical structure, a fixing structure, at least one light emitting diode and a lampshade, and the fixing structure is provided for fixing the conical structure onto the base, and the conical structure has at least three triangular sides and a top, and the light emitting diodes are disposed on the top and each side respectively. The top and each side are aligned towards different directions to form projection surfaces of different angles and expand the illumination range of the light emitting diodes, so as to achieve a wide-angle illumination effect while enhancing the luminance and the light uniformity..
07/17/14
20140198484
 Wearable headlamp patent thumbnailWearable headlamp
A wearable headlamp is provided that may provide improved illumination control and adjustability. The wearable headlamp may include a primary light-emitting diode (led) configured to illuminate an area in front of the headlamp and a photosensor configured to detect the level of ambient light surrounding the headlamp and adjust the luminous flux of the light emitted by the primary led accordingly.
07/17/14
20140198423
 Current limiter circuit for control and protection of mosfet patent thumbnailCurrent limiter circuit for control and protection of mosfet
A circuit for controlling a metal oxide semiconductor field effect transistor (mosfet) to generate a dc output voltage from a dc input voltage includes a first mosfet and a second mosfet. The circuit includes a gate resistor coupled to the first mosfet.
07/17/14
20140198417
 Integrated emi filter circuit with esd protection and incorporating capacitors patent thumbnailIntegrated emi filter circuit with esd protection and incorporating capacitors
An integrated electromagnetic interference (emi) filter circuit with electrostatic discharge (esd) protection and incorporating capacitors is provided. At least one passive element, i.e.
07/17/14
20140198416
Circuit for and method of enabling the discharge of electric charge in an integrated circuit
A circuit for enabling the discharge of electric charge in an integrated circuit is described. The circuit comprises an input/output pad coupled to a first node; a first diode coupled between the first node and a ground node; a transistor coupled in parallel with the first diode between the first node and ground node; and a resistor coupled between a body portion of the transistor and the ground node.
07/17/14
20140198241
Solid-state imaging element having image signal overflow path
Since the great number of elements constituting a unit pixel having an amplification function would hinder reduction of pixel size, unit pixel n,m arranged in a matrix form is comprised of a photodiode, a transfer switch for transferring charges stored in the photodiode, a floating diffusion for storing charges transferred by the transfer switch, a reset switch for resetting the floating diffusion, and an amplifying transistor for outputting a signal in accordance with the potential of the floating diffusion to a vertical signal line, and by affording vertical selection pulse φvn to the drain of the reset switch to control a reset potential thereof, pixels are selected in units of rows.. .
07/17/14
20140198094
Electric optical apparatus, driving method thereof and electronic device
An electric optical apparatus including a display section in which an electric optical material is pinched between a pair of substrates and a plurality of pixels is arranged, wherein the display section is provided with a scanning line, a data line and a power-supply line that are connected to each of the pixels, and each of the pixels is provided with a pixel electrode, a driving transistor that is connected between the pixel electrode and the power-supply line, a capacitance for modulation that is connected between a gate of the driving transistor and the data line, a maintenance capacitance that connects one side electrode to the gate of the driving transistor, and a transistor for correction that is connected to a diode and in which one side terminal thereof is connected to the gate of the driving transistor.. .
07/17/14
20140198085
Pixel and organic light emitting display using the same
A pixel includes an organic light emitting diode, a first driver and a second driver. The second driver controls an amount of current supplied from a first power source to the organic light emitting diode, corresponding to a previous data signal.
07/17/14
20140198072
In-pixel ultrasonic touch sensor for display applications
A video display is provided with a planar piezoelectric transmitter to transmit ultrasound signals, and a display panel including a plurality of pixels. Each pixel has a data interface to accept a video signal with a variable voltage associated with a range of light intensity values, and to supply a touch signal with a variable voltage derived from a range of reflected ultrasound signal energies.
07/17/14
20140197955
Road marker or light based warning device
A road marker and related light based warning device are described. The road marker or device includes a thermal sensor that triggers the illumination of at least one light-emitting diode at a predetermined temperature.
07/17/14
20140197896
Electromagnetic wave generation device and detection device
The invention provides an electromagnetic wave generation device. The device includes a substrate provided with a terahertz wave oscillation section including a resonant tunneling diode structure, a two-dimensional electron layer having a semiconductor heterojunction structure, and a transistor section including a source electrode and a drain electrode provided at end portions of the two-dimensional electron layer and a gate electrode provided above the two-dimensional electron layer.
07/17/14
20140197866
Voltage to current converter
The invention provides a voltage to current converter that contains an diode-connected nmos transistor, a diode-connected pmos transistor, and a voltage-controlled signal input circuit. The source of the nmos transistor and the drain of the pmos transistor are connected together and connected to the voltage-controlled signal input circuit in series.
07/17/14
20140197865
On-chip randomness generation
An on-chip true noise generator including an embedded noise source with a low-voltage, high-noise zener diode(s), and an in-situ close-loop zener diode power control circuit. The present invention proposes the use of heavily doped polysilicon and silicon p-n diode(s) structures to minimize the breakdown voltage, increasing noise level and improving reliability.
07/17/14
20140197752
Current driver for an array of led diodes
An array of led diodes includes n channels each having leds coupled in series with a switch. A current driver for the array includes a processing circuit configured to detect n currents flowing respectively through the n channels of the array.
07/17/14
20140197748
Led lighting tube
The led lighting tube that is compatible with an electronic ballast has two snubber circuits, a waveform conversion circuit, and at least one led light string. The snubber circuits are connected to terminals of the led lighting tube, and input terminals of each snubber circuit are connected to electrode pins of a corresponding terminal, and each snubber circuit has at least one resistor connected in series between the electrode pins of the corresponding terminal.
07/17/14
20140197747
Current driver for led diodes
A current driver for a string of leds includes a first series connection of a first transistor and a first resistance and a second series connection of a second transistor and a second resistance. The first and second series connections are coupled in parallel between the string of leds and a voltage reference.
07/17/14
20140197746
Serially-connected light emitting diodes, methods of forming same, and luminaires containing same
A method of making a substantially monolithic lighting device comprising serially connected leds and lighting systems including the same. The serially connected leds may be comprised in a monolithic device comprising a first led, a layer of conductive material, and a second led positioned thereupon.
07/17/14
20140197744
Organic light emitting display device and method of testing the same
Provided is an organic light emitting display device including: a display unit including a plurality of pixels, each pixel of the pixels including an organic light emitting diode; and a test circuit configured to apply a first signal and a second signal to the display unit and to receive a third signal from the display unit. The test circuit is configured to determine whether or not the display unit is in a normal state based on a voltage level of the third signal when the first and second signals have a first level..
07/17/14
20140197735
Thermal control circuit for an active cooling module for a light-emitting diode fixture
A thermal control circuit comprises a positive temperature coefficient thermistor array, a negative temperature coefficient thermistor array, and a resistor array. The positive temperature coefficient thermistor array and the resistor array are electrically connected in parallel to a first terminal of the thermal control circuitry.
07/17/14
20140197464
Cmos image sensor and method of manufacturing the same
A cmos image sensor has a photodiode including first and second impurity layers sequentially formed on a substrate, an isolation layer on the second impurity layer, and a transfer gate structure through the second impurity layer. The transfer gate structure contacts a top surface of the first impurity layer and a portion of the second impurity layer and includes a bottom surface having a step shape..
07/17/14
20140197450
Esd protection circuit
An electrostatic discharge (esd) protection circuit is coupled between first and second pads to protect an internal circuit therebetween. Under a normal operating condition, a voltage on the first pad is higher than that on the second pad.
07/17/14
20140197443
Led device having improved luminous efficacy
There are provided a light emitting diode (led) device including an led chip emitting light within a specific wavelength region, a transparent resin layer covering a light emission surface of the led chip, and a color conversion layer formed to be spaced apart from the led chip by the transparent resin layer to cover the transparent resin layer and including at least one type of phosphor converting light emitted from the led chip into light within a different wavelength region, wherein a mean free path of phosphor particles included in the color conversion layer is 0.8 mm or more at a temperature of 5500 k.. .
07/17/14
20140197441
Semiconductor light emitting element and illumination device comprising the same
A semiconductor light emitting element includes a transparent substrate and a plurality of light emitting diode (led) chips. The transparent substrate has a support surface and a second main surface disposed opposite to each other.
07/17/14
20140197440
Illumination device
A semiconductor light emitting element includes a transparent substrate and a plurality of light emitting diode (led) structures. The transparent substrate has a support surface and a second main surface disposed opposite to each other.
07/17/14
20140197439
Led module
There is provided a manufacturing method of an led module including: forming an insulating film on a substrate; forming a first ground pad and a second ground pad separated from each other on the insulating film; forming a first division film that fills a space between the first and second ground pads, a second division film deposited on a surface of the first ground pad, and a third division film deposited on a surface of the second ground pad; forming a first partition layer of a predetermined height on each of the division films; sputtering seed metal to the substrate on which the first partition layer is formed; forming a second partition layer of a predetermined height on the first partition layer; forming a first mirror connected with the first ground pad and a second mirror connected with the second ground pad by performing a metal plating process to the substrate on which the second partition layer is formed; removing the first and second partition layers; connecting a zener diode to the first mirror and connecting an led to the second mirror; and depositing a fluorescent material so as to fill a space formed by the first mirror and the second mirror.. .
07/17/14
20140197434
Light emitting diode device and method for manufacturing heat dissipation substrate
The light emitting diode (led) device includes a substrate formed with at least one electrode; an led chip disposed on the substrate, and formed with at least one solder pad; at least one wire electrically connected between the solder pad and the electrode; and a fluorescent material layer covering the led chip. Thermal conductivity of the substrate is 80˜120 w/mk and a color rendering index of the led device under correlated color temperatures 2600k˜3700k is greater than 90..
07/17/14
20140197432
Multicolor light emitting diodes
A device such as a multicolor light emitting diode that emits different colors of light and that may combine the different colors emitted by individual light emitting diodes. The multicolor led may include a common anode terminal that may be connected to each anode of the individual light emitting diodes.
07/17/14
20140197430
Substrate free led package
A method of fabricating a substrate free light emitting diode (led), includes arranging led dies on a tape to form an led wafer assembly, molding an encapsulation structure over at least one of the led dies on a first side of the led wafer assembly, removing the tape, forming a dielectric layer on a second side of the led wafer assembly, forming an oversized contact region on the dielectric layer to form a virtual led wafer assembly, and singulating the virtual led wafer assembly into predetermined regions including at least one led. The tape can be a carrier tape or a saw tape.
07/17/14
20140197426
Light emitting diode chip structure and light emitting diode element
A light emitting diode chip structure includes a substrate, a mesa type light emitting diode structure, and an electroluminescent layer. The mesa type light emitting diode structure includes a first semiconductor layer, a light emitting layer, and a second semiconductor layer.
07/17/14
20140197423
Substrate structure for manufacturing light emitting diode and method for manufacturing light emitting diode
The invention provides a substrate structure for manufacturing a light-emitting diode and a method for manufacturing the light-emitting diode. The substrate structure comprises a substrate having a first surface and a second surface opposite to the first surface; and a plurality of grooving structure formed on the first surface of the substrate.
07/17/14
20140197407
Semiconductor device and method for manufacturing the same
Objects are to provide a semiconductor device for high power application in which a novel semiconductor material having high productivity is used and to provide a semiconductor device having a novel structure in which a novel semiconductor material is used. The present invention is a vertical transistor and a vertical diode each of which has a stacked body of an oxide semiconductor in which a first oxide semiconductor film having crystallinity and a second oxide semiconductor film having crystallinity are stacked.
07/17/14
20140197396
High resolution organic light-emitting diode devices, displays, and related method
In accordance with an exemplary embodiment of the present disclosure, a method of manufacturing an organic light-emissive display can be provided. A plurality of electrodes can be provided on a substrate.
07/17/14
20140197388
Organic light-emitting diode (oled) display panel
An organic light-emitting diode (oled) display panel comprises: a plurality of pixel units arranged in an array, in which each pixel unit includes an organic light-emitting element provided with a first light-emitting surface and a second light-emitting surface; and light shield layers configured to shield at least the first light-emitting surfaces of organic light-emitting elements of a portion of the pixel units. The oled display panel combines the double-faced organic light-emitting elements and the light shield layers to simply achieve double emission display..
07/17/14
20140197386
Material for organic optoelectronic device, organic light emitting diode including the same, and display including the organic light emitting diode
Wherein, variables r1-r8, ar1, ar2, l1, l2, x2, n1, and n2 are described in the specification.. .
07/17/14
20140197385
High resolution organic light-emitting diode devices, displays, and related methods
A method of manufacturing an organic-light emitting diode (oled) display can include providing on a substrate a first electrode associated with a first sub-pixel and a second electrode associated with a second sub-pixel, wherein a gap is formed between the first electrode and the second electrode and wherein the first electrode and the second electrode are positioned in a well having boundaries defined by a confinement structure on the substrate. The method can also include depositing in the well with the electrodes positioned therein, active oled material to form a substantially continuous layer of active oled material that spans the boundaries of the well such that a surface of the layer of active oled material that faces away from the substrate has a non-planar topography.
07/17/14
20140197384
Condensed cyclic compound and organic light-emitting diode comprising the same
Ar1 and ar2 in formula 1 are each independently one of a hydrogen atom, an aryl or heteroaryl group and an arylamino group, at least one of ar1 and ar2 being a substituted or unsubstituted 1,2.4-triazol-4-yl group; l1 and l2 in formula 1 are linking groups, each independently one of a cyclic or noncyclic, saturated or unsaturated hydrocarbon group and a heteroarylene group; a and b in formula 1 are each independently one of 0 or 1; and r1 to r8 in formula 1 being each independently one of a variety of inorganic and organic substituents including cyclic or noncyclic, saturated or unsaturated and aromatic, nonaromatic or heteraromatic groups. The oled may have a low driving voltage, a high emission efficiency and long lifespan characteristics..
07/17/14
20140197383
Organic light-emitting diode comprising amine-based compounds and anthracene-based compounds
An organic light-emitting diode includes a first electrode, a second electrode, and an organic layer disposed between the first electrode and the second electrode. The organic layer includes an emission layer.
07/17/14
20140197381
Organic light-emitting diode comprising amine-based compounds and pyrene-based compounds
An organic light-emitting diode includes a first electrode, a second electrode, and an organic layer disposed between the first electrode and the second electrode. The organic layer includes an emission layer.
07/17/14
20140197379
Oled pixel structure and oled panel
The present disclosure provides an organic light emitting diode (oled) pixel structure and an oled panel. The pixel structure comprises a plurality of colored light emitting zones arranged in parallel.
07/17/14
20140197319
X-ray line detector and method for the production thereof
An x-ray line detector includes a housing and a predefined number of carrier modules having the same width disposed in the housing. A one-piece printed circuit board, on which a photodiode is arranged, is attached to each carrier module.
07/17/14
20140197301
Global shutter image sensors with light guide and light shield structures
An image sensor operable in global shutter mode may include an array of image pixels. Each image pixel may include a photodiode for detecting incoming light and a separate storage diode for temporarily storing charge.
07/10/14
20140195096
Apparatus and method for contactlessly detecting objects and/or persons and gestures and/or operating procedures made and/or carried out thereby
An apparatus for contactlessly detecting objects and/or persons and gestures and/or operating procedures made and/or carried out thereby, is arranged in a vehicle interior and includes at least one lighting unit, a display unit and an optical detection unit. The lighting unit is formed from at least one infrared laser diode..
07/10/14
20140194710
Contact lens with integrated pulse oximeter
Apparatus, systems and methods employing a contact lens having a pulse oximetry sensor to detect information indicative of a blood oxygen content and/or pulse rate of a wearer of the contact lens, are provided. In some aspects, a contact lens includes a substrate that forms at least part of a body of the contact lens and a pulse oximetry sensor located on or within the substrate that detects information associated with at least one of blood oxygen content or a pulse rate of a wearer of the contact lens.
07/10/14
20140194708
Contact lens with integrated pulse oximeter
Apparatus, systems and methods employing a contact lens having a pulse oximetry sensor to detect information indicative of a blood oxygen content and/or pulse rate of a wearer of the contact lens, are provided. In some aspects, a contact lens includes a substrate that forms at least part of a body of the contact lens and a pulse oximetry sensor located on or within the substrate that detects information associated with at least one of blood oxygen content or a pulse rate of a wearer of the contact lens.
07/10/14
20140193934
Organic light emitting display and manufacturing method thereof
An organic light emitting display resulting in an improved aperture ratio and a manufacturing method thereof. The organic light emitting display that includes a plurality of pixels arranged between first and second substrates, each of said pixels includes a plurality of thin film transistors, an organic light emitting diode, and a capacitor.
07/10/14
20140193612
Nanostructured articles and methods to make the same
Material comprising sub-micrometer particles dispersed in a polymeric matrix. The materials are useful in article, for example, for numerous applications including display applications (e.g., liquid crystal displays (lcd), light emitting diode (led) displays, or plasma displays); light extraction; electromagnetic interference (emi) shielding, ophthalmic lenses; face shielding lenses or films; window films; antireflection for construction applications; and construction applications or traffic signs..
07/10/14
20140193118
Optical mover with functions of nanometer fine adjustment and micrometer coarse adjustment
An optical mover with functions of nanometer fine adjustment and micrometer coarse adjustment is mainly used to align two optical elements for connecting two optical elements, such as connection of two optical fibers, connection of one optical fiber with a photo diode, or connection of one optical fiber and one optical waveguide. In using, one optical element is placed upon the supporting seat for fine position adjustment, and another optical element is fixed on an external retainer for aligning to the former optical element on the supporting seat.
07/10/14
20140192830
Wavelength locking of a laser device
There is discussed an optical system comprising a laser device that outputs a divergent light beam. A first portion of the divergent light beam, including a central portion, passes through an etalon device, which acts as a wavelength discriminator, and then the central portion is incident on a first monitor photodiode, which generates a wavelength-dependent detection signal.
07/10/14
20140192827
Resonator, variable wavelength optical filter, and variable wavelength laser diode
A variable wavelength diode according to the inventive concept includes a resonator and a plurality of cylindrical lenses. The resonator includes slab waveguides of which resonance lengths are different from each other.
07/10/14
20140192573
Power conversion circuit
A power conversion circuit includes a high side switching device connected at its collector to the high potential side of a power supply, a low side switching device connected at its emitter to the lowpotential side of the power supply, a first junction to which the emitter of the high side switching device and the collector of the low side switching device are connected, a first diode connected at its cathode to the collector of the high side switching device, a second diode connected at its anode to the emitter of the low side switching device, a second junction to which the anode of the first diode and the cathode of the second diode are connected, an inductance connected between the first and second junctions, and a snubber circuit connected to the first junction and adapted to absorb stored energy in the inductance when a freewheeling current flows.. .
07/10/14
20140192563
Dual-mode switching power control device
A dual-mode switching power control device includes an electric transformer, a pwm driving controller, a switching transistor, an isolation element, an output diode and an output capacitor. The pwm driving controller is connected to the switching transistor coupled to the electric transformer.
07/10/14
20140192562
Single stage ac/dc converter
A single stage ac/dc converter includes a rectifier to rectify an input ac voltage and output the input ac voltage from first and second input nodes to first and second output nodes, an input capacitor connected between the first and second output nodes to store a rectified voltage and output a constant voltage, a transformer unit to transform the voltage received from the input capacitor, and transmit the voltage to a secondary side, and a power factor correction circuit to correct a power factor of a circuit. The power factor correction circuit includes a first auxiliary diode having one terminal connected with the first input node, a second auxiliary diode having one terminal connected with the second input node, and an auxiliary winding inductor connected among opposite terminals of the first and second auxiliary diodes and the first output node or the second output node..
07/10/14
20140192517
Belt with light
An adjustable belt worn around the waist of a person with a light attached to the front of the belt. The belt is made of webbing material and has a plastic side-release buckle adjustable on one side.
07/10/14
20140192512
Chemical glow devices with led lighting
The performance of chemical glow lights is enhanced by the provision of a battery-powered light-emitting diode (led). The led can be provided inside a pouch containing chemicals which, when mixed together, produce a glowing light.
07/10/14
20140192360
Differential photodiode integrator circuit for absorbance measurements
Systems and methods for measuring a light intensity. An example photodetector measurement circuit comprises a photodetector that receives a light and generates a photodetector current indicative of the light intensity.
07/10/14
20140192291
Liquid crystal display device including light sources emitting different colors
A display device includes a display panel having a first transparent subpixel, a second transparent subpixel and a third transparent subpixel. A light source part provides light to the display panel.
07/10/14
20140192102
Backlight unit and display device having the same
A backlight unit includes a power converter configured to generate a light source driving voltage in response to a voltage control signal, a plurality of light emitting diode strings, where each of the light emitting diode strings receives the light source driving voltage through a first terminal thereof, a plurality of transistors corresponding to the light emitting diode strings, where each of the transistors includes: a first electrode connected to a second terminal of a corresponding light emitting diode string thereof; a second electrode; and a control electrode, and a controller connected to the control electrode and the second electrode, where the controller outputs a plurality of current control signals to control electrodes of the transistors and generate the voltage control signal, where the controller generates an over-current detection signal when any one of the current control signals has a pulse width greater than a predetermined reference width.. .
07/10/14
20140192093
Laser beam display device
A laser beam display device includes: a dimming setting input unit into which any one of the dimming values of plural dimming steps are input; a first dimming processing unit having plural dimming luts that store dimming amounts regarding the respective dimming steps with the corresponding gradation levels as indexes; a second dimming processing unit having one gain lut that holds gains regarding the respective dimming steps and a multiplier that creates the indexes for the respective diming luts by multiplying a video signal by the gains; and a light source drive unit that drives a laser diode on the basis of reference results obtained by referring to the dimming luts of the first dimming processing unit. The luminance of the emission beam of the laser diode, which corresponds to the video signal, is dimmed in accordance with a dimming setting input from the dimming setting input unit..
07/10/14
20140192035
Pixel circuit, active sensing array, sensing device and driving method thereof
A pixel circuit, an active sensing array, a sensing device, and a driving method thereof are provided. The pixel circuit includes a sensing transistor, a reset transistor, and a storage capacitor.
07/10/14
20140192034
Electric optical apparatus, driving method thereof and electronic device
An electric optical apparatus including a display section in which an electric optical material is pinched between a pair of substrates and a plurality of pixels is arranged, wherein the display section is provided with a scanning line, a data line and a power-supply line that are connected to each of the pixels, and each of the pixels is provided with a pixel electrode, a driving transistor that is connected between the pixel electrode and the power-supply line, a capacitance for modulation that is connected between a gate of the driving transistor and the data line, a maintenance capacitance that connects one side electrode to the gate of the driving transistor, and a transistor for correction that is connected to a diode and in which one side terminal thereof is connected to the gate of the driving transistor.. .


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