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Class 345/77 - Brightness or intensity control


Subclass of Class 345 - Computer graphics processing and selective visual display systems
Definition: Subject matter in which the selective electrical control
No. of patents: 775
Last issue date: 05/29/2012


1                      
NumberTitleIssue Date
8188946Compensation technique for luminance degradation in electro-luminance devices
A method and system for compensation for luminance degradation in electro-luminance devices is provided. The system includes a pixel circuit having a light emitting device, a storage capacitor, a plurality of transistors, and control signal lines to operate the pixe...
05/29/2012
8164548Signal line driver circuit and light emitting device and driving method therefor
The variation of characteristics of transistors occurs. The present invention is a signal line drive circuit having a plurality of current source circuit corresponding to a plurality of wirings, a first and a second shift registers, a latch circuit, the foregoing pl...
04/24/2012
8154481Method for managing display memory data of light emitting display
A memory managing method for display data of a light emitting display device, which uses field light-emitting of organic materials. A plurality of pixels are each provided with at least two sub-pixels to emit different color lights, wherein one field has at least fi...
04/10/2012
8154482Organic light emitting display and method for driving the same
An organic light emitting display and a method for driving the same. An organic light emitting display includes: a frame memory having a first portion configured to store a first portion of image signals that is the same in an n−1th frame and an nt...
04/10/2012
8149190Correcting brightness variations in organic electroluminescent panel
An OLED display having a correction circuit for producing corrected image data in response to the first image data and in response to correction data to correct for brightness unevenness due to TFT variations; a memory for storing first image data or correction data...
04/03/2012
8144085Display device, control method and computer program for display device
A display device includes: a light emission amount detecting section which inputs video signals having linear property and detects an amount of light emission from the video signals; a light emitting time calculating section which calculates light emitting time of t...
03/27/2012
8139002Organic light emitting diode display and driving method thereof
An organic light emitting diode display for removing a voltage which is charged into a gate electrode of a driving transistor before a current frame is changed to a next frame is disclosed. In the organic light emitting diode display, a display panel has a plurality...
03/20/2012
8139003Display device, video signal processing method, and program
There is provided a display device provided with a display portion, in which pixels having a light-emitting element for self-light-emitting, and a pixel circuit for controlling a current applied to a light-emitting element according to a voltage signal are arranged ...
03/20/2012
8130179Display device and driving method of display device
The present invention sets a display device for displaying a desired image on a display section, the display section being formed by arranging pixels in a form of a matrix, by outputting a driving signal for a signal line and a writing signal to the signal line and ...
03/06/2012
8125419Electro-optical device, method for driving electro-optical device, and electronic apparatus
An electro-optical device includes a unit circuit and a signal generating circuit. The unit circuit includes a first element section that controls a first electro-optical element to a gradation level corresponding to a level of a data signal, and a second element se...
02/28/2012
8125420Organic light-emitting display device and method of driving the same
An organic light-emitting display for improving an aperture ratio and increasing lifespan includes an organic light-emitting display panel in which pixel cells are formed, a gray-scale converter configured to convert a gray-scale of a pixel data signal by multiplyin...
02/28/2012
8115706Improving displayed texture by changing brightness at particular points
The present invention represents an object with high-quality texture. A texture image display apparatus includes: a panel display device (20) having a plurality of pixels (21); a lens array (30) having a plurality of lenses for controlling outgo...
02/14/2012
8111222Method of improving the output uniformity of a display device
The output uniformity of a display device, such as a self light emitting display device, is improved by detecting the emitted brightness of pixels of the display device using an external detection system, controlling the pixel intensity to determine the non-uniformi...
02/07/2012
8094097Data line driving circuit, electro-optical device, data line driving method, and electronic apparatus
A data line driving circuit connected to data lines includes a bit shift unit that outputs input digital data composed of a plurality of bits for defining the brightness of pixels or bit-shifts the plurality of bits to lower levels to output them, based on a control...
01/10/2012
8094099Display apparatus and driving method for display apparatus
The present invention provides a display apparatus, including: a display section including a plurality of pixels disposed in a matrix and a plurality of signal lines and a plurality of scanning lines; and a horizontal driving circuit and a vertical driving circuit c...
01/10/2012
8094098Organic light emitting display device and driving method thereof
An organic light emitting display device includes a display area including a plurality of pixels connected to scan lines, light emission control lines and data lines; a scan driver electrically connected to the display area through the scan lines and light emission ...
01/10/2012
8094100Laser light source device, video display device
A laser light source device which is used for a video display device displaying video by using plural image frame data inputted from an image generating device includes a laser light source emitting laser light, a drive circuit driving the laser light source, a targ...
01/10/2012
8077125Light-emitting device and image forming apparatus
Disclosed herein is a light-emitting device including: a plurality of light-emitting elements which emit light with light intensities according to the levels of driving currents; a plurality of current generation circuits which are provided in correspondence with th...
12/13/2011
8077126Display device and driving method thereof
In a pixel of a display device, a first transistor of which an second terminal is connected to a first terminal of a light emitting element supplies a driving current that corresponds to a voltage between a control terminal and the second terminal to the light emitt...
12/13/2011
8072400Measurement of pixel current in display device
During image display, pixel current measurement for brightness irregularity correction is carried out. Display is carried out by sequentially writing pixel data in a horizontal direction to pixel sections that are arranged in a matrix shape. Horizontal power supply ...
12/06/2011
8072398Electroluminescence display device having a look-up table and driving method thereof
A flat panel display device and a driving method thereof wherein an input data is modulated to realize accurate color with a single gamma voltage. The flat panel display device includes a data converter having a look-up table and inputted with Red, Green and Blue N-...
12/06/2011
8072399Display device, method of driving same, and electonic device
A display device is disclosed. The display device includes: a pixel array portion and a driver portion for driving the pixel array portion. The pixel array portion has rows of scanning lines, columns of signal lines, pixels arranged in rows and columns at intersecti...
12/06/2011
8068073Circuit and method for driving pixel of organic electroluminescent display
A circuit and method for driving pixels in an organic electroluminescent display that reduces the number of wirings of a compensation circuit for addressing brightness non-uniformity. The pixel driving circuit includes an organic electroluminescent device that emits...
11/29/2011
8068074Pixel drive circuit for electroluminescent element
A pixel circuit including a storage capacitor to which data is written including a black level; a second driving transistor supplies a drive current corresponding to data written to the storage capacitor to a second organic electroluminescence element; a first drivi...
11/29/2011
8059068Display device and method for driving the same
A semiconductor device having a configuration hardly generating variations in the current value due to a deteriorated EL element is to be provided. A capacitance element is disposed between the gate and the source of a driving TFT, video signals are inputted to the ...
11/15/2011
8059070Display device, and methods for manufacturing and controlling the display device
A display device corrects uneven luminance due to uneven element characteristics by simple measurement and correction with a low cost. The display device includes pixels that each include a light emitter and a driver. Data lines supply a voltage signal to the driver...
11/15/2011
8059069Organic light emitting diode display device and driving method thereof
An organic light emitting diode (OLED) display device, including a pixel unit including a plurality of pixels connected to scan lines and data lines, a scan driver adapted to generate and supply scan signals to the scan lines, a data driver adapted to generate and s...
11/15/2011
8054254Organic light emitting display device and driving method thereof
An organic light emitting display device including: an optical sensor for generating an optical sensor signal corresponding to brightness of ambient light; a first luminance control unit for generating a pulse width (EW1) of a brightness control signal in acc...
11/08/2011
8054253Organic light emitting diodes display and aging method thereof
An organic light emitting diode display and an aging method thereof are presented. The method provides the organic light emitting diode display with improved reliability as a progressive dark defect is removed, and the lifetime and the white balance of the organic l...
11/08/2011
8054252Light-emitting display device, electronic apparatus, burn-in correction device, and program
A light-emitting display device is disclosed. The display includes: a display panel having a plurality of light-emitting elements disposed on a substrate in a matrix; a deterioration amount difference calculation section; a correction amount calculation section; a d...
11/08/2011
8054255Organic light emitting display device and driving method thereof
An organic light emitting display device including: an optical sensor for generating an optical sensor signal corresponding to brightness of ambient light; a first luminance control unit for generating a pulse width (EW1) of a brightness control signal in acc...
11/08/2011
8054251Method for driving flat panel display
A method for driving a flat panel display to improve an image quality and a lifetime of the flat panel display is disclosed. The method for driving the flat panel display includes the steps of: a) storing electric-charges contained in a parasitic capacitor of a data...
11/08/2011
8054256Driving circuit and organic light emitting display using the same
Disclosed are a driving circuit and an organic light emitting display using the same, which realizes stable gray levels. The driving circuit includes a first selector that produces a first selection and sub selection signals, and a second selector that produces a se...
11/08/2011
8044895Display device and driving method of the same
A problem in that a light emitting element slightly emits light is solved by an off current of a thin film transistor connected in series to the light emitting element, thereby a display device which can perform a clear display by increasing contrast, and a driving ...
10/25/2011
8035585Graphic data files including illumination control and related methods and computer program products
An electronic device may include a screen and a plurality of lights. A plurality of image frames may be provided with each image frame defining an image for display on the screen. Illumination instructions may be provided for the plurality of lights, wherein differe...
10/11/2011
8022906Driver for use in a flat panel display adapted to drive segment lines using a current
A driver for use in a flat panel display, the driver adapted to drive segment lines by using a current, the current being generated by referring to a reference current outputted from a reference current source, the driver includes a driving block selector for select...
09/20/2011
8022908Display apparatus
After a look-up table applies γ correction to each of R, G, and B signals, a multiplier multiplies a γ corrected signal by a gain. An adder adds an offset to an output of the multiplier and supplies a resultant gain/offset corrected signal to a display panel. Memo...
09/20/2011
8022907Brightness controlled organic light emitting display and method of driving the same
An organic light emitting display includes a brightness controller that restricts the total brightness of a pixel unit when the number of pixels that emit bright light is greater than a predetermined level. ...
09/20/2011
8013814Method and appartus for uniformity and brightness correction in a display
A method for the correction of average brightness or brightness uniformity variations in electroluminescent (EL) displays comprising: a) providing an EL display having one or more light-emitting elements responsive to a multi-valued input signal for causing the ligh...
09/06/2011
8009127Organic light emitting display device and driving method for the same
An organic light emitting display device and a driving method for the same is provided. The device includes a pixel portion adapted to receive a scan signal and a data signal and display an image. A scan driver generates and applies the scan signal to the pixel port...
08/30/2011
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