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7095395 |
Gamma correction apparatus for a liquid crystal display
A gamma correction apparatus set in a liquid crystal display (LCD), comprising a gray-scale voltage generating circuit and a gamma correction circuit. The gray-scale voltage generating circuit...
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7095396 |
Liquid crystal display device using OCB cell and driving method thereof
A liquid crystal display device capable of suppressing the occurrence of a back transition in OCB cells and displaying excellent images as well as a driving method thereof are provided. One frame...
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7095390 |
Display driving method and apparatus
A display driving method drives a display to make a gradation display on a screen of the display depending on a length of a light emission time in each of sub fields forming 1 field, where 1 field...
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7095394 |
Driving device of liquid crystal device and driving method thereof
A driving device of a liquid crystal display device includes a timing controller for receiving image information and a control signal from a graphic processor through an interface unit; a gate...
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7095393 |
Liquid crystal display and a driving method thereof
Disclosed is an LCD and driving method thereof. The LCD according to the present invention generates modification image signals by considering image signals of present and previous frames, and then...
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7088325 |
Method and circuit for driving electro-optical device, electro-optical device, and electronic apparatus
The invention provides an electro-optical device capable of performing high-quality and high-definition gray-scale display, which can be driven with a low power consumption, and to provide a...
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7088324 |
Liquid crystal display driver and method thereof
JP920010105US125 A liquid crystal display driver for applying a voltage to liquid crystal cells forming an image display area includes a pulse generation circuit for generating a plurality of...
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7088349 |
Drive method of an electro optical device, a drive circuit and an electro optical device and an electronic apparatus
A method of sub-field drive can display with a mode of placing emphasis on responsiveness and display with a mode of placing emphasis on gray-scale reproductiveness. A field is divided into plural...
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7088479 |
Image processing apparatus for electrophotography and electrophotographic apparatus utilizing the same
An image processing apparatus, which performs color conversion for input tone data in an RGB color space to obtain tone data for a CMY color space, and which performs halftone processing to convert...
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7084861 |
System and methods for driving an electrooptic device
The invention provides a system and methods for driving an electrooptic device where one field is divided into a plurality of subfields on a time base, thereby to set the subfields as control units...
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7084866 |
Display driver apparatus, and electro-optical device and electronic equipment using the same
A display driver capable of operating in any one of multiple gradient display modes drives a liquid crystal panel in which the first L common electrodes are simultaneously selected in a first...
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7084846 |
Liquid crystal display device
A liquid crystal (LC) display device includes a LC panel and a driving circuit. The LC panel exhibits, in its voltage-transmittance characteristics, an extreme transmittance at a voltage equal to...
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7081906 |
Driving method and device for flat panel display
The present invention relates to a driving device for a flat panel display and driving method of, capable of enhancing an image quality. In the present invention, a gray level of an original image...
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7079099 |
Hold display unit for display of a moving picture
A hold LCD unit has an array of pixels including a first group of higher luminance pixels which pass a higher luminance state to a stable luminance state in each field, and a second group of lower...
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7079089 |
Gray display method and device for plasma display panel
A method for displaying gray levels in a PDP by generating gray data corresponding to externally input image signals and displaying the gray data on the PDP is disclosed. The method comprises...
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7079102 |
Driving method for liquid crystal display apparatus and liquid crystal display apparatus
In an active matrix liquid crystal display apparatus, the potentials of a source signal, the terminal of a storage capacitor other than the terminal connected to a pixel electrode, and a counter...
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7075506 |
Spatial-temporal multiplexing
A method and system for performing spatial temporal multiplexing using a multi-threshold mask. A mask generator ( 404 ) outputs a threshold value for each pixel of a display. The mask generator...
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7075507 |
Electro-optical device, gray scale display method, and electronic apparatus
The invention produces a high-quality display, in which the occurrence of display variations is reduced, with low power consumption. One field is divided into subfields corresponding to the bits of...
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7075505 |
Liquid crystal display device, liquid crystal controller and video signal transmission method
It is one object of the present invention to reduce the number of inputs to an LCD driver and to reduce manufacturing costs by employing the COG&WOA technique. For a liquid crystal display device,...
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7071909 |
Reducing sparkle artifacts with low brightness processing
A method for reducing sparkle artifacts in a liquid crystal imager, comprises the steps of: low pass filtering only a first lower brightness level signal component of a video signal; and, slew rate...
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7071929 |
Method of driving liquid crystal display and liquid crystal display using the driving method
In a method of driving an active matrix liquid crystal display according to pulse width modulation driving system using a thin-film transistor for a switching device, the variation of the...
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7071931 |
Image capture device with projected display
An image capture device includes provision for projecting indicia onto an object surface. For a scanned beam image capture device, the image may be projected from the scan engine. The light source...
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7068292 |
Display driver circuit, display panel, display device, and display drive method
A signal driver IC (or a display driver circuit in a broad sense) includes a signal electrode driver circuit which drives a signal electrode by using grayscale data. The signal electrode driver...
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7064736 |
Liquid crystal display device
A liquid crystal display device includes a liquid crystal panel having a plurality of pixels disposed in a matrix format, a Y-selecting signal generating unit for selecting one or more pixel rows,...
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7061460 |
Method of driving liquid-crystal display
A liquid-crystal display is driven by pulse-width modulation. One frame of an input video signal is divided into a plurality of subframes. A first pulse signal is applied to a liquid crystal...
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7061464 |
Liquid crystal display and method for driving the same
Disclosed is a liquid crystal display (LCD) and method for driving the same, in which a rapid response characteristic of the liquid crystal is secured employing a charge-sharing driving mode. The...
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7057595 |
Image binarization method
The method for transforming a digital image (A) having several gray levels into a binary image (F) in which each pixel is coded over one bit, consists in applying, to each current pixel (P) of the...
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7053868 |
Plasma display apparatus
According to the present invention, a plasma display apparatus, which represents the luminance of one frame in accordance with a combination of plural sub-frames having luminance levels...
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7050038 |
Active-matrix substrate and display device
An active-matrix substrate includes first and second trunk lines which are arranged so as to be spaced apart from, but adjacent to, each other and are supplied with signals electrically...
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7046224 |
Display device driver, display device and driving method thereof
A display device driver of the present invention includes: an operational amplifier for generating a plurality of gray level display voltages; a switch for selecting and outputting one of the...
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7046223 |
Method and circuit for driving liquid crystal display, and portable electronic device
A method for driving a liquid crystal display capable of reducing power consumption, decreasing a packaging area or a number of packaged parts, and providing an image of high quality when the...
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7042429 |
Display device and method of driving same
A display device has a matrix array of pixels, each provided with a switching element operated by a scanning signal and a pixel electrode supplied with a video signal via the switching element. A...
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7038647 |
Liquid crystal display apparatus
A liquid crystal display apparatus includes an applied gradation value acquiring section for receiving gradation data of a frame to be displayed, gradation data of a frame to be outputted,...
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7038646 |
Circuit arrangement for the voltage supply of a liquid crystal display device
The circuit arrangement serves for the voltage supply of the row and column drivers of a liquid crystal display device. It comprises a voltage divider ( 1 ) having a plurality of series-connected...
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7038645 |
Driving method for electro-optical apparatus, driving circuit therefor, electro-optical apparatus, and electronic equipment
The invention obtains high-quality display by suppressing display unevenness. Sub-pixels are disposed correspondingly to each set of the intersections between 3m pairs of paired scanning lines,...
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7034786 |
Color-correction method and apparatus for liquid crystal display
The present invention discloses a color-correction method and apparatus for a liquid crystal display that effectively corrects a color balance. In the method and apparatus, input data are modulated...
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7034734 |
Digital to analog converter and display incorporating the same
A digital to analog converter is provided. The digital to analog converter comprises a digital data input, a decoder, a re-queuing circuit and a plurality of current cells. The digital data input...
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7034787 |
Output circuit for gray scale control, testing apparatus thereof, and method for testing output circuit for gray scale control
An output circuit for gray scale control includes a low-side current mirror unit, a low-side gray scale control circuit, a high-side current mirror unit, a high-side gray scale control circuit, a...
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7034788 |
Image data processing device used for improving response speed of liquid crystal display panel
A coding circuit codes present image data of a pixel which is received as raster data and a delay circuit stores a coded image data for one frame period and outputs one-frame preceding image data...
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7030850 |
Signal drive circuit, display device, electro-optical device, and signal drive method
A signal drive circuit capable of flexibly dealing with the change of the panel size and reducing power consumption, a display device and an electro-optical device using that signal drive circuit,...
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7030840 |
Display device having a plurality of pixels having different luminosity characteristics
A display device comprises pixels PX each of which has one of different luminosity characteristics, signal line blocks each including a preset number of signal lines X connected to the pixels PX...
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7030846 |
Color correction liquid crystal display and method of driving same
A liquid crystal display includes a liquid crystal display panel for displaying picture images, and a color correction unit. Upon receipt of raw RGB picture data corresponding to raw RGB gamma...
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7027021 |
Liquid crystal display control device and method of preparing patterns for the same device
Disclosed is a liquid crystal display control device for making gradation display on a liquid crystal display panel using binary display patterns, comprising a memory section storing a plurality of...
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7027020 |
Designing method and circuit of gray level and luminance characteristic for liquid crystal display
A designing method and circuit of gray level and luminance characteristic of liquid crystal display are disclosed. A LCD is used to actually measure data about gray level and luminance of the...
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7023457 |
System and method for intensity control of a pixel
An LCOS chip may have a pixel divided into an outer subpixel and an inner subpixel. A driver may independently drive the subpixels. The driving technique may be pulse-width modulation. Because of...
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7023409 |
Drive schemes for gray scale bistable cholesteric reflective displays utilizing variable frequency pulses
A method of addressing a bistable liquid crystal material having incremental reflectance properties disposed between opposed substrates is disclosed. One substrate has a first plurality of...
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7023417 |
Switching circuit for column display driver
According to the present invention, improved techniques for switching current flow in a display column driver circuit. Embodiments provide switching of analog outputs of digital to analog...
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7023412 |
Method and apparatus for avoiding image flicker in an optical projection display
One embodiment of the invention is a digital filter that avoids image flicker in a projection display that has two operational modes. This digital filter avoids undesired intensity variations...
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7019726 |
Power consumption of display apparatus during still image display mode
A plurality of gate lines connected to a gate driver for supplying gate signals and a plurality of drain lines connected to a drain driver for supplying drain signals are provided on a substrate....
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7015886 |
Scanning line driver circuits, electrooptic apparatuses, electronic apparatuses and semiconductor devices
A scanning line driver circuit is provided that can narrow intervals of its scanning lines to values exceeding the limitation value of its output pitch without harming the versatility of a data...
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