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7623103 |
Organic light emitting diode device including brightness compensation plate
An organic light emitting diode device includes a substrate having first and second surfaces and a diode on the first surface of the substrate. The diode includes a first electrode, a second...
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7623102 |
Active matrix type display device
A variation in a display image and duration of a residual image are reduced to improve quality of display of an active matrix type display device. A control circuit sequentially outputs a...
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7623101 |
Light emitting device and light emitting system
A light emitting device in accordance with the present invention includes a light emitting element and a light sensor for detecting the luminous intensity of the light emitted from the light...
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7619598 |
Driver for an OLED passive-matrix display
An OLED (organic light-emitting diode) passive-matrix display includes a display portion and a driver portion. The display portion includes a matrix of OLEDs for displaying information. The driver...
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7619597 |
Method and system for programming, calibrating and driving a light emitting device display
A method and system for programming, calibrating and driving a light emitting device display is provided. The system may include extracting a time dependent parameter of a pixel for calibration.
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7619596 |
Image processing apparatus and method of same
An image processing apparatus capable of supplementing luminance by an amount of deterioration even if the degree of deterioration of a light emitting element of a pixel advances along with aging,...
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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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7619593 |
Active matrix display device
An addressing scheme is provided for a display having an array of current driven pixels. An input voltage is used for generating a desired source-drain current using a transistor operated with low...
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7616184 |
Arrangement matrix of primary color LEDs
An arrangement matrix of primary color LEDs is provided. The arrangement matrix includes a first LED, a second LED and a third LED. The first LED, the second LED and the third LED are arranged to...
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7616179 |
Organic EL display apparatus and driving method therefor
An organic EL display apparatus has a driving circuit. In the driving circuit, the source and drain of a driving transistor and the anode and cathode of an organic EL device are connected in series...
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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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7609240 |
Light generating device, display apparatus having the same and method of driving the same
A light generating device includes a brightness detector. The brightness detector extracts a brightness data from an image data. The light generating device compensates the uniformity of a white...
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7609239 |
Display control system of a display panel and control method thereof
When electric current is provided to a scan line of a display panel, electric current flowing from an initial end to a final end of the scan line is gradually reduced because of resistance...
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7609238 |
Dual-scan circuit for driving an OLED display device
A luminescent display device is disclosed. The luminescent display device is comprised of an array of pixels, a first driving chip and a second driving chip. The array of pixels is comprised of...
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7609237 |
Circuit apparatus with LED diodes
A circuit apparatus with LED diodes includes a plurality of circuit branches in which each circuit branch comprises at least one LED diode. The apparatus comprises a device for the supply of said...
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7609234 |
Pixel circuit and driving method for active matrix organic light-emitting diodes, and display using the same
Disclosed herein are a pixel circuit and driving method for active matrix Organic Light-emitting Diodes (OLEDs), and a display using the same. The pixel circuit includes a Voltage Control Current...
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7609098 |
Driver circuit for electronic components
A driver circuit including an amplifier, which generates a control signal from a reference signal; a driver current mirror; and a control current switch located between the amplifier and the driver...
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7608861 |
Active matrix type display having two transistors of opposite conductivity acting as a single switch for the driving transistor of a display element
An active matrix type display device having a plurality of pixel circuits ( 1 ) arranged in a matrix shape. The pixel circuit has: a display device (EL); a drive transistor (M 1 ) of a first...
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7605792 |
Driving method and circuit for automatic voltage output of active matrix organic light emitting device and data drive circuit using the same
Disclosed herein is a driving method and circuit for the automatic voltage output of an active matrix organic light emitting device, which is capable of resolving the non-uniformity of brightness...
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7605783 |
Driving circuit of light emitting element
A driving circuit for a light emitting element, electrically connected to a data line and a scan line and powered by a bias voltage so as to drive the light emitting element, comprising: a first...
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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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7602387 |
Electroluminescent display devices
In an active matrix electroluminescent display device a storage capacitor ( 24 ) is provided in each pixel for storing a voltage to be used for addressing a drive transistor ( 22 ) which controls...
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7602357 |
Method and apparatus of image signal processing
Disclosed here is an image signal processing method and apparatus. In the image signal processing, with the use of characteristically different low-pass filters disposed in parallel, a...
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7602119 |
OLED with magenta and green emissive layers
It is an object of the present invention to avoid the above-mentioned problems and provide a multicolor OLED display with improved power efficiency that reduces the need for precisely patterning...
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7599107 |
Electro-optical device, electronic apparatus, and driving method
An electro-optical device includes a controller, a reference current source, a correction current source, a combining unit, and an electro-optical element. The controller generates a reference...
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7599020 |
Liquid crystal display module having liquid crystal panel and backlight unit
A liquid crystal display module includes a liquid crystal display panel and a backlight unit under the liquid crystal display panel. The backlight unit includes at least one light emitting diode....
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7595786 |
Illumination system and illumination control method for adaptively adjusting color temperature
This invention discloses an illumination method and an illumination control method. An embodiment of the illumination system includes two light detection modules for detecting a light produced by a...
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7595778 |
Display device and electronic device using the same
A display device with a compensation circuit that applies a fixed potential constantly to a gate electrode of a driving transistor for a certain period is provided. Specifically, each difference...
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7592987 |
Current-scaling active thin film transistor circuit structure for pixel of display device
An active TFT circuit structure with current scaling function is disclosed, which includes a current source, a data line, a scan line, a direct current voltage source, capacitors and four...
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7592986 |
Display device and driving method thereof
A display device includes a light emitting diode, and first and second driving transistors connected between a driving voltage and the light emitting diode to supply driving electric current to the...
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7592985 |
Driving apparatus for organic electro-luminescence display device
A driving apparatus for an organic electro-luminescence display device for reducing a deterioration of organic light-emitting diode device in the organic electro-luminescence display device is...
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7589707 |
Active matrix light emitting device display pixel circuit and drive method
Display pixel circuits and a drive scheme utilizing a switching element operating in reverse direction in a data scan period to provide voltage reference are provided. Preferred embodiments and...
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7589701 |
Systems and methods for driving a display device and interrupting a feedback
In a driver for a luminescent display the operating voltage of a driver circuit is monitored to prevent extra dissipation due to open output connections ( 28 ) of the driver circuit. The monitoring...
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7589700 |
Driving method of display device
It is an object to provide a driving method of a semiconductor display device by which generation of pseudo contour can be suppressed while suppressing the operating frequency of a driver circuit....
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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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7586471 |
Drive circuit and drive method for panel display device
Disclosed is a drive circuit for a panel display device for driving light-emitting devices arranged at respective intersections between a plurality of data lines and a plurality of scan lines. This...
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7586470 |
OLED device capable of adjusting luminance
An OLED device includes a control voltage generator, a plurality of the first switches, a current mirror, a plurality of transistors, a control circuit, a second switch and an OLED equivalent...
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7586468 |
Display device using current driving pixels
A video signal line receives a voltage video signal. The supplied voltage video signal is provided to a voltage-current conversion circuit in a corresponding column. The voltage-current conversion...
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7583257 |
Signal line driving circuit and light emitting device
Variations occur in the characteristics of transistors. The present invention is a signal-line drive circuit comprising first and second current source circuits corresponding to respective...
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7583244 |
Signal apparatus, light emitting diode (LED) drive circuit, LED display circuit, and display system including the same
A light emitting diode (LED) circuit includes first and second terminals, a forward circuit including a number of LEDs electrically connected in series, and a forward steering diode electrically...
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7583243 |
Pixel circuit, method of driving the same, electro-optical device, and electronic apparatus
A method of driving a pixel circuit, which has a driving transistor for making a current according to a gate voltage flow into a driven element, a resistive element electrically connected in series...
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7580015 |
Active matrix organic light emitting diodes pixel circuit
A pixel circuit of an active-matrix organic light-emitting diode does not provide currents for an organic light-emitting diode during a compensation period, and provides currents, free from...
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7580013 |
Organic EL drive circuit IC
An organic EL drive circuit includes a reset voltage generator circuit for generating a predetermined constant voltage for constant voltage resetting, reset switches provided between an output of...
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7579781 |
Organic electro-luminescent display device and method for driving the same
An organic electro-luminescent display device according to an embodiment includes a light emitting device in a pixel to emit light in response to a current applied thereto; a data line for...
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7576718 |
Display apparatus and method of driving the same
To provide a technology for preventing effect of precharging from becoming nonuniform when the threshold voltage of a driving transistor included in a current drive type pixel circuit is...
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7576717 |
Light emitting display and driving method thereof
A light emitting display and a driving method thereof. The light emitting display includes an image displaying part including a plurality of pixels electrically connected to a plurality of scan...
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7573447 |
Apparatus and method for driving liquid crystal display device
An apparatus and method for driving a light source of a liquid crystal display device are provided. The apparatus includes a liquid crystal display panel, a backlight unit including a plurality of...
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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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7573445 |
Driving method of light emitting device and electronic apparatus
A light emitting element deteriorates with time. Therefore, a method for reducing a lighting time is suggested to obtain a long life light emitting element. However, when the proportion (duty...
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