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  • Liquid crystal display device and driving method of the same

     The invention is directed to a driving method for an LCD device, including conducting two of the gate driving lines respectively controlled by different gate integrated circuits. Then, it is determined that one of the two conducted gate driving lines is applied with the scan signal, according to a first output enabling signal and a second output enabling signal being received. A latch signal is received, wherein during a period at a high logic level of the latch signal, the adjacent source driving lines are shorted.

  • Method for driving electroluminescence display panel with selective preliminary charging

     Provided is a method for driving an electroluminescence display panel in which data electrode lines and scan electrode lines cross each other with predetermined gaps to form electroluminescence cells in the crossing areas. The method includes performing a preliminary charging stage in which the signal input terminals of the data electrode lines are switched and electrically disconnected from a data driving unit, and the other terminals of the data electrode lines are switched and electrically connected to one another in the initial stage of each parallel driving period. The preliminary charging stage is performed in the following parallel driving period when the data of the present parallel driving period and the data of the following parallel driving period are different.

  • Image display apparatus, timing controller for driver IC, and source driver IC

     An image display apparatus includes a timing controller to generate a control signal according to image data, a driver IC to take in image data according to the control signal and to supply the image data to source lines, and a display panel to perform screen-displaying according to the image data supplied to the source lines. Plural input ports of the driver IC, from which the image data are inputted, are arranged asymmetrically with respect to an input port for the control signal. The timing controller includes plural data output ports to output image data to the driver IC, an arrangement information storing unit to store arrangement information defining normal and reverse orders of arrangement of the image data, and an output port switching unit to determine an order of arrangement of the image data according to the arrangement information and to supply the image data.

  • Plasma display panel and driving method thereof

     A plasma display panel is provided having a plurality of scan electrodes and sustain electrodes formed parallel to each other in pairs on a first substrate, and a plurality of address electrodes formed on a second substrate that cross the plurality of first and second electrode pairs. A reset waveform is applied to a scan electrode during a reset period, and a scan pulse that falls from a first voltage level to a second voltage level is applied to the can electrode during an address period. A pre-scan pulse of a third voltage level, which is higher than the first voltage level, is applied to a scan electrode between the reset and address periods, and either a magnitude of the third voltage level or a width of the pre-scan pulse is adjusted according to patterns of subfield data.

  • Tactile scroll bar with illuminated document position indicator

     A tactile touch-sensitive device for use as an electronic input device for indicating a position of an electronic document on a display device is described. The illuminable document position indicator aspect of the device provides a relative location of the electronic document on the display. The device may be included as part of a keyboard or an electronic book device. The illuminable document position indicator may be one or more static illuminable LEDs and/or a moveable light source and pivotable translucent elements which act as light wave guides. A controller may be used to control the illuminable document position indicator. The controller may change the color and/or intensity of LEDs based upon a displayed location of the electronic document relative to a beginning and an end of the electronic document.

  • Circuits and methods for driving flat panel displays

     Circuits and methods for driving gates lines of a flat panel display, wherein gate driver circuit architectures provide compact designs that enable smaller chip sizes for gate driver ICs. In one aspect, a semiconductor integrated gate driver IC comprises a plurality of gate driver circuits, wherein each gate driver circuit drives a corresponding gate line of a display, and a level shifter circuit, for generating a precharge control signal for the gate driver circuits. Each gate driver circuit comprises a line decoder for decoding a gate line control signal and generating a decoded gate line control signal and a precharge circuit for precharging a gate driver turn-on voltage in response to the precharge control signal before activating the gate line. During a driving phase, the precharged gate driver turn-on voltage is discharged when the gate line is activated in response to the decoded gate line control signal, whereas the precharged gate driver turn-on voltage is maintained when the gate line is not activated in response to the decoded gate line control signal.

  • Light brightness controller for an optical mouse

     A light brightness controller for an optical mouse, which has a light source, a current switch and a control unit. The light source illuminates a sampling plane of a mouse. The current switch has a plurality of switches respectively connected to the light source such that the control unit connected to the current switch can control an amplitude of current flowing through the light source by turning the switches on and off, thereby controlling a brightness of the light source.

  • Combined transmitter

     A combined transmission unit for TMDS signals and LVDS signals. A first (LVDS) transmission unit comprises a set of first input terminals to receive first data, and a second (TMDS) transmission unit comprises a set of second input terminals to receive second data. A switching controller enables the first transmission unit to transmit the first data to the first external input units through a pair of signal lines coupled to a set of common output line or enables the second transmission unit to transmit the second data to the second external input units through a pair of signal lines coupled to the set of common output line, according to a mode selection signal.

  • Compositing graphical objects

     Systems, computer-implemented methods and apparatus, including computer program apparatus, implementing techniques for rendering an image. A target area is identified in the image and a set of pixels to sample is selected from the target area to sample. An attribute value is identified for each of a plurality of the pixels in the selected set, and an attribute value is predicted for the target area based on the identified attribute value. At least a portion of the foreground area can be rendered based on the predicted attribute value. A statistical sampling analysis can be used to predict a background color when rendering a foreground area of an image.

freepatentsonline.com: Computer graphics processing and selective visual display systems Mon Jan 05 04:00:48 EST 2009

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Brochure Production - Brochure Production
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Display Cases - Display Cases
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Hose Reels - Hose Reels
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Estate Agents Display - Estate Agents Display
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Microfilm - Microfilm
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Card Display - Card Display
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