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Class 345/690 - Intensity or color driving control (e.g., gray scale)


Subclass of Class 345 - Computer graphics processing and selective visual display systems
Definition: Subject matter wherein the selective electrical control
No. of patents: 1596
Last issue date: 05/29/2012


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NumberTitleIssue Date
8189016Post-color space conversion processing system and methods
A display system uses a post-scaling module for producing a single scaling factor. A post-scaling unit for scaling image data values is constructed as a function of scaling requirements, such as backlight illumination, saturation of the image data values, and out-of...
05/29/2012
8189015Allocating memory on a spatial light modulator
The present invention provides a various methods, systems and devices for controlling light modulating elements and/or spatial light modulators. In some embodiments of the present invention, a recursive feedback method is used to control light modulating elements an...
05/29/2012
8184132Electronic display device medium and screen display control method used for electronic display medium
When an electronic book is activated, a video image obtaining section starts taking face images of a user. Next, an analysis section analyzes the face images of the user taken by the video image obtaining section, thereby inferring a physiological condition of a use...
05/22/2012
8184135Adaptive control of display characteristics of pixels of a LCD based on video content
Determining pixel behavior type of a pixel or a group of pixels of a LCD and triggering adjustment in drive power of the pixel or the group of pixels based on the pixel behavior type. The pixel behavior type indicates relative motion of areas on the LCD in a video. ...
05/22/2012
8184134Display apparatus
A display apparatus includes a display portion and a control portion, and effects color display depending on image signals for three colors. The control portion includes means 10, into which the image signals for three colors are inputted, for generating a fi...
05/22/2012
8184131System for dynamic gamma correction of non-uniform frequency clocks and method therefor
A system for dynamic gamma correction of multi-scaled clocks and method therefor are provided, wherein multi-scaled clocks are applied to control the grayscale upon only one set of ramp voltage, so that the linearity of the gamma curve can be adjusted freely or to a...
05/22/2012
8184133Methods for sequential color display by modulation of pulses
Each color image is decomposed into at least one series of at least three successive primary images of different primary colors which are successively displayed by modulating the activation duration of the pixels of an imaging device. According to the invention, the...
05/22/2012
8179406Control apparatus and method for image display
A detection unit which includes an image display panel, brightness averaging unit, scene changeover detection unit, and brightness suppression unit in order to provide an image display apparatus having an ABL that does not give the observer any visual sense of incom...
05/15/2012
8179405Compact flat panel color calibration system
A compact flat panel color calibration system includes a lens prism optic able to pass a narrow, perpendicular, and uniform cone angle of incoming light to a spectrally non-selective photodetector. The calibration system also includes a microprocessor operable to de...
05/15/2012
8174542Video display apparatus
A video display apparatus includes a converting circuit for executing nonlinear conversion for an input signal, a display brightness featured value detecting circuit for detecting a display brightness featured value indicating a brightness of a display screen from t...
05/08/2012
8174544Image display apparatus, image displaying method, plasma display panel apparatus, program, integrated circuit, and recording medium
Previously, image display apparatuses using phosphors each having a different persistence time have a problem of reducing a motion blur caused by persistence of the phosphors in an image and improving color shift caused by the motion blur. To overcome this problem, ...
05/08/2012
8174543Display device driving circuit of which power consumption is reduced, control method thereof, and display device using the same
A display device driving circuit includes: a grayscale signal output circuit, grayscale signal lines, a grayscale voltage output circuit, grayscale voltage lines, a digital-analog conversion circuit, a first to third switches. The grayscale signal output circuit out...
05/08/2012
8169450System and method for ambient-light adaptive intensity control for an electronic display
The techniques of the present invention relate to automatically controlling display intensity. The present invention includes a calibration step in which the display intensity settings are correlated to the ambient light intensity conditions. The present invention a...
05/01/2012
8169451Content transmission apparatus and content display system
A content transmission apparatus includes a communication module configured to carry out wireless communication with a partner apparatus, a detection module configured to detect a motion of the content transmission apparatus, and a transmission control module config...
05/01/2012
8164602Wide color gamut displays
A display has a modulator illuminated by a illuminator comprising an array of light sources. The array includes light sources of a plurality of colors. The light sources of different colors are individually controllable. Within each color, the light sources that ill...
04/24/2012
8164603Methods of measuring image-sticking of a display
A method of measuring image-sticking of a display is described. A display having N gray levels is provided. Next, an image-stick test frame having at least a first pattern having a low gray level and at least a second pattern having a high gray level is displayed on...
04/24/2012
8159508Electro-luminescence display
An electroluminescent display comprises a substrate with a plurality of pixel regions, wherein each pixel region has a first sub-pixel region, a second sub-pixel region, and a third sub-pixel region. Pluralities of first color light-emitting layers, second color lig...
04/17/2012
8159509Color display device and method for reproducing color with an increased number of gradation levels
A color display device has a display screen having pixels arrayed, each of which is composed of primary color sub-pixels capable of reproducing respective primary colors and at least one subsidiary color sub-pixel capable of reproducing gray. While gradation signals...
04/17/2012
8159510Liquid crystal display
The present invention provides a liquid crystal display including a liquid crystal display panel and a drive section performing divisional drive operation which includes first and second drive operations. The first drive operation performs a driving process with a f...
04/17/2012
8159511Methods and systems for sub-pixel rendering with gamma adjustment
Sub-pixel rendering with gamma adjustment allows the luminance for the sub-pixel arrangement to match the non-linear gamma response of the human eye's luminance channel, while the chrominance can match the linear response of the human eye's chrominance channels. The...
04/17/2012
8154566Active-matrix display apparatus driving method of the same and electronic instruments
Disclosed herein is an active-matrix display apparatus, wherein if any particular one of N light emitting sub-devices pertaining to any specific one of pixel circuits is defective, the particular light emitting sub-device is electrically disconnected from the specif...
04/10/2012
8154565Apparatus and method for gamma correction
Apparatus and method for gamma correction are disclosed. An adjustable blending unit is utilized for adjustably blending a linear gamma function with a nonlinear gamma function, thereby resulting in an adjustable gamma curve. The nonlinear gamma function is adjustab...
04/10/2012
8149250Gamma curve correction for TN and TFT display modules
A circuit and methods eliminating production related luminance variations of electronic display applies to all display technologies that require gamma adjustment or also adjustment of other display parameters e.g. brightness or contrast as e.g. LCD or OLED display m...
04/03/2012
8149251Methods and apparatus for assessing and monitoring the capability and quality of a color reproduction system
A color reproduction system comprises a color imaging output device (e.g., monitor, printer, etc.) and its device characterization (e.g., ICC profile, device link, etc.). A method for assessing the capability and accuracy of a color reproduction system is presented....
04/03/2012
8144172Color temperature correction device and display device
A color temperature correction device corrects, in a display device that represents brightness of RGB of a video signal by a plurality of levels of gray scales, a color temperature of the video signal. The color temperature correction device includes: a recording me...
03/27/2012
8144173Image processing apparatus and image display apparatus
According to one embodiment, an apparatus includes following units. The image display unit includes a light source unit provided with light sources, each source being controlled respectively, and a liquid crystal panel displaying on a display area. The luminance cal...
03/27/2012
8139090Image processor, image processing method, and image display device
An image processing device and an image processing method according to the present invention, by dividing an image into a plurality of blocks, generates a control signal denoting a change in the image data, based on a result of comparing first encoded image data tha...
03/20/2012
8134580Liquid crystal display and driving method thereof
A method of driving a liquid crystal display device includes multiplying a frame frequency of an inputted current frame to generate a multiplied odd-numbered frame and a multiplied even-numbered frame; determining whether said current frame is a still image frame or...
03/13/2012
8130246Image display apparatus, image display monitor and television receiver
A point at which the luminance varies between successive frames is detected with respect to an input image signal whose one-frame period is represented by a given gradation level. In a frame in which the luminance has just varied (i.e., in a post-change frame), the ...
03/06/2012
8125500Apparatus for driving a plasma display panel with APL pre-measurement and corresponding method
A picture quality when reducing the brightness or the contrast of the picture on a plasma panel shall be improved. For this purpose there is provided a driving apparatus including brightness/contrast control means for receiving video input data for modifying the vid...
02/28/2012
8125501Voltage modulated driver circuits for electro-optic displays
A method and system for applying addressing voltages to pixels of a display involves receiving input data. The input data includes an indication of an addressing voltage impulse to be applied to a pixel via an electrode. One or more voltage sources are selected, to ...
02/28/2012
8125502Method for driving a pixel by generating an over-drive grey level and driver thereof
A method for generating an over-drive grey level for driving a pixel includes providing a corresponding over-drive function according to an original grey level for the pixel in the previous frame, and generating the over-drive grey level according to the correspondi...
02/28/2012
8120627Redistribution of N-primary color input signals into N-primary color output signals
A method of redistributing an N-primary color input signal (IS) having a particular number≧4 (N) of input components (I1, . . . , IN) into N-primary color output signal (OS) having the particular number (N) of output components (P1, . . . , PN) under...
02/21/2012
8120628Method for driving a display
A method for driving a display is provided. According to the driving method, a display panel is divided into a plurality of bright regions and a plurality of dark regions, wherein the dark regions and the bright regions are alternately arranged so that the bright re...
02/21/2012
8115787Device, system and method of data conversion for wide gamut displays
A method and system for converting color image data (data outputting from element 202) from a, for example, three-dimensional color space format to a format usable by an n-primary display (206), wherein n is greater than or equal to 3. The system (conv...
02/14/2012
8115785Method for driving liquid crystal display device, liquid crystal display device, and electronic device
An object of the present invention is to provide a driving method of a liquid crystal display device for improvement of image quality and a liquid crystal display device in which the driving method is used. One frame period is divided up into an n (n: integer, n≧3...
02/14/2012
8115786Liquid crystal driving circuit
The liquid crystal driving circuit for converting pixel values into driving voltages on a plurality of channels includes a reference voltage generating circuit, a plurality of buffer amplifiers, an output selection circuit coupling, and a plurality of switch circuit...
02/14/2012
8111270Driving device inserted impulsive image, display apparatus having the driving device installed therein and method of driving the display apparatus
A driving device including a signal controller which receives input image data corresponding to a plurality of frame periods, outputs the input image data during a first sub-frame period of one frame period among the plurality of frame periods, and outputs impulsive...
02/07/2012
8106929Peak intensity level control device, self light-emitting display device, electronic device, peak intensity level control method, and computer program
A peak intensity level control device that controls a peak intensity level in a self light-emitting display module of an active matrix driving type is disclosed. The device includes: an average picture value calculation section that calculates an average picture val...
01/31/2012
8106928Method of displaying image in image display device using sequential driving method
An image display method of improving brightness of an output image in an image display device using a sequential driving method and a plurality of single-color light sources. The image display method includes extracting a white color component from the primary color...
01/31/2012
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