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7623560 |
Quantum photonic imagers and methods of fabrication thereof
Emissive quantum photonic imagers comprised of a spatial array of digitally addressable multicolor pixels. Each pixel is a vertical stack of multiple semiconductor laser diodes, each of which can...
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7619594 |
Display unit, array display and display panel utilizing the same and control method thereof
A display unit is provided. The display unit includes a light-emitting diode, a driving transistor, and a power supply system. The light-emitting diode comprises a cathode and an anode. The driving...
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7616177 |
Pixel driving circuit with threshold voltage compensation
A pixel driving circuit with threshold voltage and EL power compensation. The pixel circuit includes a storage capacitor, a transferring circuit, a driving element, and a switching circuit. The...
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RE40953 |
Light-emitting diode display
The present invention relates to a light-emitting diode (“LED”) display apparatus used for a display such as a type of standing signboard. The light-emitting diode display is comprised of...
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7612749 |
Driving circuits for displays
A pixel circuit includes a light emitting device, a storage device configured to represent a level of illumination, and a driving device used to drive the light emitting device. Configuring the...
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7612736 |
Light emitting unit
A light-emitting unit capable of setting an address easily and reliably and checking the result of address setting. The light-emitting unit, such as an LED unit that constructs the unit of light...
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7611780 |
Lighting device, image pickup apparatus and portable terminal unit
A lighting device including a supporting member, a light emitting element disposed on the supporting member, and emitting light from an upper and side surfaces thereof, a first fluorescent layer...
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7609241 |
Double-faced light emitting diode display
A double-faced light emitting diode display includes a pair of parallel shield panels ( 20, 20 ′), and a light emitting module ( 30 ) located between the shield panels. Each shield panel includes...
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7605784 |
Flat panel display
A flat panel display with good color mixture of three primary colors to achieve different hues and little signal delay is provided. The display includes signal lines including scan lines and data...
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7605772 |
Electronic display panel
An electronic display panel having a combination of aligned and connected forwardly located panels to which a plurality of rearwardly located LED modules easily and readily secure using three-point...
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7602369 |
Liquid crystal display with colored backlight
A method of backlighting a liquid crystal display so as to improve the quality of the image displayed by the liquid crystal display. The method may vary the luminance of a light source illuminating...
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7586497 |
OLED display with improved power performance
An OLED display for producing a full color image, comprising a plurality of at least four different colored pixels including three different colored addressable gamut-defining pixels and a fourth...
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7580016 |
Backlight unit and liquid crystal display device using the same
A backlight unit includes a light source part having red, green and blue light sources and a light source controller to generate a common control wave and to drive each of the red, green and blue...
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7576719 |
Display capable of displaying multi-color space
A display capable of displaying multi-color space and including a display unit, a control circuit, and a light source is provided. The control circuit is electrically connected to the display unit...
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7573446 |
Method and device for driving LED element, illumination apparatus, and display apparatus
A driving method and a driving device are provided for an LED element in which light emitting layers different from each other in light emission wavelength peak, put on each other with a barrier...
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7566143 |
Backlight apparatus and color image display apparatus
Herein disclosed a backlight apparatus for illuminating a color display panel from the back side, which may include a light source section having a composite light source, a light detecting light...
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7561128 |
Organic electroluminescence display device
A pixel unit for an organic electroluminescence display device includes four switching transistors, a driving transistor, a capacitor and an organic light emitting diode, configured in a circuit to...
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7557783 |
Organic light emitting display
An organic light emitting display capable of reducing the manufacturing cost and displaying images with uniform brightness. The organic light emitting display includes: a data driver for supplying...
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7557782 |
Display device including variable optical element and programmable resistance element
A display element includes a variable optical element that changes appearance in response to changes in current, and a programmable resistance in series with the variable optical element. The...
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7557518 |
Solid-state, color-balanced backlight with wide illumination range
A color balanced solid-state backlight provides feedback control of each color using a single photodetector by imposing a modulation pattern on the solid-state lamps revealing individual colors to...
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7551153 |
Combined exponential/linear RGB LED I-sink digital-to-analog converter
Methods and systems to achieve linear and exponential control over a current to drive color LEDs have been achieved. Current digital-to-analog converters (IDAC) comprising each an exponential...
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7545395 |
Color filter, color image display device, and electronic apparatus
A color image display device includes a display panel including pixel regions and a color filter, the color filter including, in each pixel region, a red filter region and a cyan filter region...
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7545354 |
Driving circuit active matrix type organic light emitting diode device and method thereof
Disclosed are a driving circuit and driving method for an organic light emitting diode (OLED) device. The driving circuit for the OLED device comprises RGB pixels each including: a gate line...
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7535449 |
Method of driving electro-optical device and electronic apparatus
The invention provides a method of driving an electro-optical device and an electronic apparatus which are capable of reducing the time for writing data without providing special circuits. In the...
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7535444 |
Organic light-emitting display device including pixels commonly having initialization switching element and power supply element
An organic light-emitting display device including pixels commonly having an initialization switching element and a power supply element. The organic light-emitting display device has a first type...
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7518581 |
Color adjustment of display screens
Systems and methods to linearly scale the colors of display data in a display driver circuit before it is written in a display RAM have been achieved. Said systems and methods invented are...
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7515128 |
Methods and apparatus for providing luminance compensation
Methods and apparatus for generating two or more different colors or color temperatures of light over a significant range of different saturations or different color temperatures, in which...
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7515121 |
Light emitting element display apparatus and driving method thereof
A display apparatus includes signal lines to each of which a current is supplied to obtain an arbitrary current value, optical elements each optical behaving in accordance with the current value of...
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7499042 |
Display device, data driving circuit, and display panel driving method
A display device includes a plurality of selection scan lines, a plurality of current lines, a selection scan driver which sequentially selects the plurality of selection scan lines in each...
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7492379 |
Color flat panel display sub-pixel arrangements and layouts for sub-pixel rendering with increased modulation transfer function response
Various embodiments of a sub-pixel octal grouping are disclosed. The octal grouping may comprise three-color sub-pixels with one colored sub-pixel comprising twice the number of positions within...
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7479938 |
Optically addressable display and method driven by polarized emissions
An optically addressable display of a preferred embodiment uses emissions having plural polarizations to define a corresponding number of color channels. A data encoder applies data for each of the...
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7474303 |
Color-spoke processing apparatus and method usable with sequential color display devices
A spoke-processing apparatus usable with sequential color display devices using spokes depending on a color saturation and a luminance of an input color signal. A spoke-processing method usable in...
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7474288 |
Display driver circuits for organic light emitting diode displays with skipping of blank lines, method of reducing power consumption of a display, processor control code to implement the method, and carrier for the control code
Display driver circuits are described for driving organic light-emitting diode displays, particularly passive matrix displays, with greater efficiency. Display driver circuitry includes a frame...
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7466294 |
Light emitting device and electric appliance
When materials of a cathode and an anode are transparent and a substrate with transparency is used for a substrate and a sealing substrate, luminescence from a layer including an organic compound...
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7460095 |
Display device and manufacturing method thereof
A display device capable of applying reverse driving voltage for a light emitting element to a light emitting element every certain period for prolonging light emitting element's life and burning...
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7453421 |
Plasma display panel and driving method thereof
Disclosed is a PDP driving method which may include generating subfield information that shows ON/OFF states of discharge cells from among a plurality of subfields from input image signals,...
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7446779 |
Color signal correction apparatus, color signal correction method and image display apparatus
A color signal correction apparatus, for suppressing variation of a chromaticity point of achromatic color in a display apparatus, equipped with independent luminescent characteristic correction...
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7439945 |
Light emitting diode driver circuit with high-speed pulse width modulated current control
A Light-Emitting Diode (LED) driver circuit is disclosed that controls the brightness of light generated by a LED that is coupled between a first terminal and a second terminal in response to a...
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7439944 |
Light emitting diode multiphase driver circuit and method
A method and a circuit for driving light emitting diodes (LEDs) in multiphase are provided. A string of LEDs divided into groups connected to each other in series is provided. Each group is coupled...
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7430022 |
Color display device
The invention relates to a color display device for display a color image and a method of operating such display. The color display device is provided with a plurality of picture elements, two...
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7425801 |
LED driving device for multiple color LED displays
Driving voltages of an LED of each color are stored in applied voltage storage register 11, 12 or 13 , and the LED of each color is driven with independent driving voltage, whereby current...
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7417608 |
Organic light emitting diode display and operating method of driving the same
An organic LED (OLED) display device and an operating method of driving the same. In an OLED image display device, one switch transistor is provided in one pixel. For at least a part of an OFF...
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7408527 |
Light emitting device driving method and projection apparatus so equipped
A projection system is provided with a controller equipped to drive light emitting devices of a light source of the projection system in a manner that enhances the operational life of the light...
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7405715 |
LED light apparatus with instantly adjustable color intensity
An instantly controllable LED light apparatus provides an LED array ( 34 ) formed of red, green and blue LEDs in a regular arrangement. The apparatus also provides a unitary power supply/controller...
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7397485 |
Color OLED display system having improved performance
An OLED display system includes a) an OLED display including an array of light emitting pixels, each pixel having a plurality of OLEDs for emitting different colors of light specifying a gamut...
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7385574 |
True color flat panel display module
A full color flat panel display module is formed of a matrix of pixels in rows and columns. Each pixel is formed of respective red, green and blue solid state light emitting diodes that can form...
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7365720 |
Colour calibration of emissive display devices
A calibration method for calibrating a fixed format emissive display device having a plurality of pixels is described In the display each pixel comprises at least three sub-pixels for emitting...
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7358941 |
Image display apparatus using current-controlled light emitting element
A pixel circuit includes a driver element that is supplied with a potential from a data line. The driver element controls a value of current passing through an electric light emitting element. Upon...
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7352893 |
Representing extended color gamut information
A computer-readable medium of one embodiment of the invention is disclosed that has a data structure stored thereon to represent extended color gamut information for a pixel. The data structure has...
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7352339 |
Diffuse illumination systems and methods
The systems and methods disclosed herein relate to sources of diffuse illumination for providing substantially uniform illumination to a surface. The diffuse illumination arises from varying the...
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