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| Number | Title | Issue Date |
| 7733358 | Liquid crystal display and driving method thereof In a display device having a light source and a storage for storing at least one reference frame of image data, a driving method includes receiving a current frame of image data; comparing grey levels between pixels of the current frame of image data and the corresp... | 06/08/2010 |
| 7545396 | Asynchronous display driving scheme and display A novel method for asynchronously driving a display device including a plurality of pixels arranged in a plurality of columns and a plurality of rows includes the steps of receiving a first multi-bit data word indicative of a first grayscale value to be displayed on... | 06/09/2009 |
| 7499065 | Asymmetrical switching delay compensation in display systems A method and apparatus of the present invention is particularly for use in display systems having spatial light modulators in which the pixels present asymmetrical switching delays. For a desired illumination intensity of a pixel, a series of pulse-width-modulation ... | 03/03/2009 |
| 7456853 | Analog interface structures and methods that reduce display artifacts in digital displays Display structures and methods are provided that introduce redundancy and use this redundancy with different mapping rules on different interleaved display lines to visually diffuse display artifacts. The artifacts are typically produced by errors in the transmissio... | 11/25/2008 |
| 7420531 | Liquid crystal display device and method of driving the same A liquid crystal display device includes a plurality of data lines disposed in a first direction on a substrate; a plurality of gate lines disposed in a second direction on the substrate, a plurality of pixels defined by intersections of the gate and data lines in a... | 09/02/2008 |
| 7403213 | Boundary dispersion for artifact mitigation A method and system providing boundary dispersion to pixel values displayed on a binary spatial light modulator to reduce temporal contouring artifacts. Pixel code values are offset from a nominal value when displayed on the SLM to disperse a large bit transition fo... | 07/22/2008 |
| 7372437 | Drive circuit, display device using the drive circuit and electronic apparatus using the display device The currents that m pieces of quasi control current output circuits formed with a polycrystalline TFT output have the dispersion. In the present invention, the averaged value of the output currents of these m pieces of the quasi control current output circuits is ou... | 05/13/2008 |
| 7349956 | System and method for accessing and operating personal computers remotely A remote access device is disclosed for capturing, digitizing and communicating video signals from a host computer to a remote computer. The remote computer returns keyboard and mouse signals through the remote access device to the host computer to control the host ... | 03/25/2008 |
| 7227519 | Method of driving display panel, luminance correction device for display panel, and driving device for display panel In conventional methods of correction luminance in displays, it has been necessary to interrupt video display during use in order to carry out correction. This is a problem in that interruptions are not good for workability from the perspective of the user of the im... | 06/05/2007 |
| 7227561 | Method of displaying video images on a display device, e.g. a plasma display panel The present invention relates to a method of displaying video images on a display device and especially on a plasma display panel. The frame for displaying a video image is divided into two subframes, both comprising approximately the same number of subscans. The su... | 06/05/2007 |
| 7218333 | Gray scale display apparatus using pulse width modulation A multi-gradation display apparatus using a pulse width modulation (PWM) method. The display apparatus includes a plurality of channels; a plurality of input blocks for outputting a plurality of N-bit image code in response to a gray scale of an image, wherein N is ... | 05/15/2007 |
| 7209152 | Signal processor for multiple gradations A signal processor for multiple gradations for carrying out coding by replacing an input image signal with a plurality of subfields, comprising a main path for generating a primary color signal having a first number of gradations, a sub-path for generating a primary... | 04/24/2007 |
| 7202842 | Display apparatus The present invention comprises: a display unit having a plurality of display elements arranged in a matrix; a drive voltage generating circuit for generating a drive voltage for driving the plurality of display elements; a dataline drive circuit for generating a si... | 04/10/2007 |
| 7176863 | Method and apparatus for a flat panel display having reduced power consumption A flat panel display is described having a matrix of liquid crystals, wherein the liquid crystals have a common node. A pair of voltages that are applied to the common node help determine the rms voltages that are applied to the liquid crystals. The pair of voltages... | 02/13/2007 |
| 7173639 | Spatial light modulator data refresh without tearing artifacts A pulse width modulation driven display such as a spatial light modulator, which updates pixel data between PWM periods of consecutive frames, to avoid tearing artifacts in the perceived display image. ... | 02/06/2007 |
| 7161609 | Multiple-bit storage element for binary optical display element An optical display element of one embodiment of the invention is disclosed that comprises a binary optical display element and a multiple-bit storage element to store a number of bits of a color intensity value to be displayed by the binary optical display element d... | 01/09/2007 |
| 7126617 | Method of driving display apparatus and plasma display apparatus The method of driving a display apparatus, in which the gradation scale is represented, by the subfield method, with less flicker even when driven at a frequency of 50 Hz has been disclosed. In this method, the two most weighted subfields (subfields of Bn brightness... | 10/24/2006 |
| 7113153 | Plasma display device The present invention solves the problem that the color temperature of initial setting is changed, when a PDP is driven for a long period of time, due to the non-uniform deterioration of red, green and blue fluorescent materials that is caused by the ultraviolet ray... | 09/26/2006 |
| 7098876 | Image display method and system for plasma display panel An image of each field displayed on a plasma display panel corresponding to input image signals is divided into sub-fields of different weights, the sub-fields being divided into two continuous sub-field groups having a different weighting value, and in which the we... | 08/29/2006 |
| 7071908 | Digital backplane 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... | 07/04/2006 |
| 7061512 | Constant-weight bit-slice PWM method and system for scrolling color display systems A display system 100 includes a light source 110 and a color wheel 114. An optical section 112 is arranged to receive light from the light source 110 and to direct the light toward a color wheel 114. A digital micromirror de... | 06/13/2006 |
| 7027074 | Display device and method of driving a display device Write in of lower significant bits of a digital video signal to a memory is eliminated by a memory controller of a signal control circuit in a display device during a second display mode in which the number of gray scales is reduced, as compared to a first display m... | 04/11/2006 |
| 7006059 | Multi-gray-scale image display method and apparatus thereof A multi-gray-scale image display method and apparatus for displaying a multi-gray-scale image on a PDP by diffusing, as an error, a part of gray scale data representing an input image requiring more than a gray scale resolution of the PDP to a target pixel from diff... | 02/28/2006 |
| 7006114 | Display driving apparatus and display apparatus using same A standard voltage generating circuit generates standard voltages as many as the number of gradations. Then, the standard voltages are separated into standard voltages of high level and those of low level, by a selector circuit, regardless of polarities thereof. One... | 02/28/2006 |
| 6982732 | Display panel driving method with selectable driving pattern A display panel driving method that is capable of displaying images with false contours suppressed and without the occurrence of flicker, even when the vertical sync frequency of the input image signal is low. When an image signal with a low mean brightness level is... | 01/03/2006 |
| 6980225 | Image display apparatus and method A liquid crystal display apparatus that uses a backlight for display includes a video signal time compression circuit for compressing a video signal in the time axis direction and outputting the time-compressed video signal, an LCD controller for driving a liquid cr... | 12/27/2005 |
| 6980193 | Gray scale driving method of liquid crystal display panel There is provided a simple matrix liquid crystal panel in which the number of changes in waveform on a column electrode is suppressed without degrading a display quality even when the number of gray scales is increased, and a consumption power can be reduced. Pulse ... | 12/27/2005 |
| 6975312 | Computer system having network connector and method of checking connection state of network cable therefor A computer system having a network connector to which a network cable is connected, including a displaying part displaying a connection state of the network cable; a signal processing part processing a signal inputted through the network connector; and a control par... | 12/13/2005 |
| 6975336 | Liquid crystal device and electro-optical device, driving circuit and drive method therefor, and electronic apparatus The invention relates to a device and methods to reduce the number of voltage levels of a data signal and to simplify a generation process therefor when gray-scale display is performed using an MLS driving method. The device can include a scanning-electrode driving ... | 12/13/2005 |
| 6972773 | Display control apparatus and display control method The invention provides a display control apparatus and a display control method wherein, where digital gradation display is performed, occurrences of a moving picture pseudo contour can be reduced simply. A signal production circuit produces a signal for driving a d... | 12/06/2005 |
| 6970147 | Drive apparatus for a plasma display panel and a drive method thereof The driving apparatus for a plasma display panel is formed by a first priming pulse generation circuit for generating a first priming pulse having a first crest value; a second priming pulse generation circuit for generating a second priming pulse having a second cr... | 11/29/2005 |
| 6965358 | Apparatus and method for making a gray scale display with subframes The invention provides an apparatus and a method applied to a plasma display panel or other display panel, achieving a gray scale display by using a plurality of weighted subfields. The apparatus comprises a gray scale limiting/difference diffusion circuit (17 | 11/15/2005 |
| 6947060 | Image forming apparatus, electron beam apparatus, modulation circuit, and image-forming apparatus driving method An image forming apparatus which performs pulsewidth modulation with a pulsewidth set by counting a clock. Especially, for grayscale level correction by setting the frequency of the clock, the periodic clock is counted, and an output pattern is changed in accordance... | 09/20/2005 |
| 6940474 | Method and apparatus for processing video pictures The present invention relates to a method for processing video signals for display on a display panel comprising a matrix array of cells which could only be “ON” or “OFF”, wherein the time duration of a video field is divided into N sub-fields during which t... | 09/06/2005 |
| 6909414 | Driver circuit and liquid crystal display device Disclosed is a driver circuit, as well as a LCD device having the driver circuit, in which changeover between first and second buffer circuits the operating ranges of which extend to high- and low-potential power supply voltages can be performed reliably within the ... | 06/21/2005 |
| 6906690 | Method of driving plasma display panel and apparatus thereof A system and method for driving a plasma display panel generates an address discharge by applying voltage signals to scan and address electrodes during one or more periods of operation. In accordance with one embodiment, a lowest level of a voltage signal applied to... | 06/14/2005 |
| 6870552 | Adjustment of input-output characteristics of image display apparatus A former stage signal adjustment module included in a signal adjustment device has a signal conversion sub-module, a first lookup table, and an interpolation sub-module. The signal conversion sub-module outputs an upper q-bit color video signal, where q is an intege... | 03/22/2005 |
| 6850251 | Control circuit and control method for display device A control circuit for use in a display device capable of displaying gray scale including a plurality of column electrodes and a plurality of row electrodes intersecting each other and pixels provided around the intersections thereof, includes a display data converti... | 02/01/2005 |
| 6831618 | Method for driving a plasma display panel A method for driving a display panel which enables changing of the refresh rate, without degrading display quality, of a display panel employing the matrix display scheme for carrying out gray-scale drive by using the sub-field method. By the method, the number of s... | 12/14/2004 |
| 6812936 | Method of and unit for displaying an image in sub-fields An image processing unit (300) for processing an image that is to be displayed in a plurality of sub-fields on a plasma display panel (406), has a storage (304) for storing the set of combinations of sub-fields that are available as intensity le... | 11/02/2004 |
