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| Number | Title | Issue Date |
| 6933937 | Pixel clock PLL frequency and phase optimization in sampling of video signals for high quality image display Pixel clock frequency and optimum sampling phase adjustment is an important requirement in Flat panel display monitors (FPDM) with an analog video interface. This invention proposes a new and more advanced method for frequency an optimum sampling phase determination... | 08/23/2005 |
| 6934772 | Lowering display power consumption by dithering brightness A method for reducing video display power usage by dithering the brightness. This method can be used to reduce power consumption without having an effect on the brightness of the display screen as perceived by the user or may further reduce the power consumed with a... | 08/23/2005 |
| 6930662 | Liquid crystal display apparatus, image signal correction circuit, and electronic apparatus A subtractor obtains a difference between an image signal, which is supplied in accordance with horizontal scanning and vertical scanning, and which carries information corresponding to a gray level of a pixel and a reference signal Ref representing a predetermined ... | 08/16/2005 |
| 6927746 | Apparatus and method for detecting display mode An apparatus and method for automatically detecting a display mode to be used in a serial data interface (SDI) of a decoded video signal is provided. The apparatus for detecting a display mode includes a mode detector which detects a predetermined display mode by co... | 08/09/2005 |
| 6928135 | Shift register for pulse-cut clock signal When a voltage level of a pulse-cut first clock signal inputted to a first clock terminal is reversed in the state where a first transistor is turned on and a second transistor is turned off, an anti-reversal circuit including a seventh transistor and an eighth tran... | 08/09/2005 |
| 6927770 | Interface providing continuous feedback on task progress in a computer operating system A user interface provides continuous feedback to a user regarding progress toward completion of a task being monitored in a status dialogue window. In one embodiment, the progress is indicated by a graphic element such as a progress bar, whose size is increased to f... | 08/09/2005 |
| 6927767 | Picture display apparatus A picture display apparatus for displaying a picture in response to inputted picture signals of an arbitrary format. The apparatus includes a picture display unit having an arranged matrix of dots for picture display, a picture display unit drive for converting inpu... | 08/09/2005 |
| 6924796 | Dot-clock adjustment method and apparatus for a display device, determining correctness of dot-clock frequency from variations in an image characteristic with respect to dot-clock phase The frequency of the dot clock in an image display device is adjusted by calculating a first image characteristic from the differences between adjacent picture elements, varying the phase of the dot clock, determining whether the frequency of the dot clock is correc... | 08/02/2005 |
| 6924843 | Image display apparatus control system and image display system control method An arrangement including a terminal for outputting at least a pair of video and acoustic signals, and a display for receiving the signals from the terminal and displaying a corresponding image, utilizes (1) a terminal modem including a multiplexer for time division ... | 08/02/2005 |
| 6922188 | Method and apparatus for auto-generation of horizontal synchronization of an analog signal to a digital display A method of automatic generation of horizontal synchronization of an analog signal to a digital display is described. Accordingly, a number of features are found and for each of a range of test Htotal values, a pixel co-ordinate value for each of the found features ... | 07/26/2005 |
| 6922192 | Wide-range and balanced display position adjustment method for LCD controller The present invention relates to display adjustment and balance methods for liquid crystal displays, LCDs. A wide-range display position adjustment method is described. Compared with the prior art liquid crystal display controllers, the embodiments of this invention... | 07/26/2005 |
| 6921311 | Flexible display panel method A method of constructing a flexible panel display using gold as a conductive element and a matrix of carbon fibers as emitters is presented. The invention provides a novel defined pixel width of three emitter fibers per cell wherein each cell is positioned within th... | 07/26/2005 |
| 6919744 | Spectrum profile control for a PLL and the like Frequency spectrum spreading of a timing recovery circuit, such as a PLL, is controlled by periodically calculating each value for a divisor, M, of a fractional divider in the feedback path of the PLL. The fractional divider divides the output signal of a voltage-co... | 07/19/2005 |
| 6919886 | Display module An organic light emitting diode (OLED) display module is provided wherein the aperture ratio of the respective pixels thereof improves and such display faults as line defect is prevented so as to allow image to be displayed with high quality. The display module is p... | 07/19/2005 |
| 6919899 | Continuous graphics display for single display device during the processor non-responding period An uninterrupted data display method for a computer system having a system memory directly accessed by a processor, for preventing disrupted data display from transmission break is disclosed. The method is accomplished before the processor goes into a non-responding... | 07/19/2005 |
| 6912246 | Clock signal transmitting system, digital signal transmitting system, clock signal transmitting method, and digital signal transmitting method A clock signal transmitting system is disclosed, which comprises a controlling circuit for generating a first control signal and a second control signal which contains synchronization information of the first control signal, a first reference voltage generating circ... | 06/28/2005 |
| 6912012 | Video decoder having lock algorithm that distinguishes between a noisy television signal input and a video recorder signal A phase-locked loop is provided which is operable to lock the sampling clock (pixel clock) to the incoming horizontal sync pulse contained within composite video information. Given the input signal is a VCR signal or a normal noise-free signal, there exists two mode... | 06/28/2005 |
| 6909418 | Image display apparatus A shift register outputs at a terminal C1 to a data register a timing pulse which is active only for one clock in synchronization to the first rise of a clock CLK after a shift signal STH is received as a start pulse, and thereafter outputs timing pulses at t... | 06/21/2005 |
| 6909428 | Signal converter device The present invention provides a device for signal transfer, which outputs a treatment signal relating to a vertical-horizontal composite sync signal of a monitor and an integrated signal of the vertical-horizontal composite sync signal. There is a plurality of logi... | 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 |
| 6903733 | Ultra-high bandwidth multi-port memory system for image scaling applications The image scaling memory system of the present invention eliminates the use of internal or external line memories by using an existing frame memory coupled with an input buffer and a plurality of output buffers for providing a vertical scalar with simultaneous paral... | 06/07/2005 |
| 6903716 | Display device having improved drive circuit and method of driving same In a display device, a first drive circuit supplies one and another first signals to plural adjacent scanning signal lines during first and second time intervals in a frame period, respectively. During the first time interval, a second drive circuit generates a seco... | 06/07/2005 |
| 6897847 | Peripheral driver circuit of liquid crystal electro-optical device In a peripheral driver circuit of a liquid crystal electro-optical device is comprised of a shift register circuit arranged by a plurality of registers, and a circuit for supplying power to each register. When an input signal is entered into an nth register, a suppl... | 05/24/2005 |
| 6885379 | Circuit and method for decoding color code of a 3D display A circuit and a method for decoding a color code of a 3D display. The color code decoding circuit is built into an on-screen display of a circuit in a display. The color code decoding circuit has several comparators, several recording buffers, a register, a first co... | 04/26/2005 |
| 6879321 | Display position control apparatus The present invention intends to provide a display position control apparatus which can prevent a position control signal to control a display position of an image from being unstable and can display the image with high image quality. A delay signal having a phase d... | 04/12/2005 |
| 6876358 | Multi-sync display apparatus There is provided a multi-sync type of display apparatus that enables changes in input signals to be accurately determined while increasing the accuracy when identifying input synchronization signals. When input synchronization signals Wa are within a predetermined ... | 04/05/2005 |
| 6873318 | Method and apparatus for addressing beat patterns in an integrated video display system Disclosed is a video data re-clocking scheme for use in highly integrated system circuits to overcome the problem of beat patterns. These type of circuits contain many subsystem blocks, and each of those blocks may use different clock frequencies. Due to implementat... | 03/29/2005 |
| 6867761 | Electro-optical device and method of driving the same, organic electroluminescent display device, and electronic apparatus The present invention reduces the power consumption of an organic electroluminescent display device. An organic electroluminescent display device can include organic electroluminescent elements corresponding to R, G, and B colors, holding capacitance, etc., which ar... | 03/15/2005 |
| 6864884 | Synchronization signal generation circuit, image display apparatus using synchronization signal generation circuit, and method for generating synchronization signal A synchronization signal generation circuit includes: a synchronization signal generation section for generating a first vertical synchronization signal and a first horizontal synchronization signal based on an externally-supplied second vertical synchronization sig... | 03/08/2005 |
| 6856309 | Liquid crystal display device The present invention discloses a liquid crystal display device, including: a liquid crystal panel having a plurality of gate lines arranged in a transverse direction, a plurality of data lines arranged in a longitudinal direction perpendicular to the gate lines, an... | 02/15/2005 |
| 6844875 | Video converter board Disclosed is a video converter board that converts stroke/raster video data generated by one display subsystem into a video format responsive to a sync-on-green (SOG) control signal and utilized by another display subsystem. ... | 01/18/2005 |
| 6836261 | Plasma display driving method and apparatus In a reset period after a sustain discharge period, erase discharges are done by applying pulse voltages having different waveforms in the first erase discharge period for an ON cell turned on in the preceding sustain discharge period and in the second erase dischar... | 12/28/2004 |
| 6831634 | Image processing device An inexpensive and simple circuit for improving an image quality of a dynamic image, with appropriate processing flexibly performed for dynamic image qualities also for a plurality of input signal sources. An image processing device comprises a memory unit having a ... | 12/14/2004 |
| 6828961 | Color wheel synchronization in multi-frame-rate display systems A display system (200) in which light from source (202) is focused onto a spinning color wheel (204). The spinning color wheel (204) spins at a constant rate and creates of beam of light that changes from one primary color to the next in ... | 12/07/2004 |
| 6825836 | Bus arrangement for a driver of a matrix display A demultiplexer applies picture information to pixels arranged in an array of a display device having columns and rows. The demultiplexer includes transistor switches each having a control terminal, an input terminal and an output terminal. A first bus couples switc... | 11/30/2004 |
| 6822660 | Display apparatus with improved sensing speed of resolution change and sensing method thereof A display apparatus is provided for displaying a picture signal which is synchronized with a synchronization signal provided from a host. The display apparatus includes: a counting circuit for counting a first number of pulses of the synchronization signal provided ... | 11/23/2004 |
| 6822647 | Displays having processors for image data A display performing writing and reading operations in synchronization with different signals using a memory. A PLL (phase locked loop) circuit generates a write clock signal from a horizontal synchronization signal and transmits it to a write controller along with ... | 11/23/2004 |
| 6822646 | Display apparatus with power supply having a power saving mode A display apparatus includes a power supply comprising a commercial AC power supplying part, a transformer having a primary coil and a secondary coil and supplying an AC voltage to driving circuits, and a feedback voltage sensing part sensing a load of the secondary... | 11/23/2004 |
| 6822631 | Systems and methods for driving a display device In order to reduce power consumption in halftone display, each horizontal scanning period for which one of a plurality of scanning lines is selected is divided into first and second half periods. A nonselection voltage for bringing a TFD into a nonconductive state f... | 11/23/2004 |
| 6816163 | Updating image frames on a screen comprising memory A method and a display system for updating image frames on a display screen of the display system. In the system, image frames comprising a frame and line synchronization signal are transferred from a control system to a display unit. The display unit comprises a di... | 11/09/2004 |
