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Chin-Hung Hsu

Chin-Hung Hsu, Taoyuan County TW

Patent application numberDescriptionPublished
20080266232LCD and display method thereof - A LCD includes a first data line, a second data line and a third data line arranged sequentially, a first scan line, a second scan line and a third scan line arranged sequentially, and a pixel array. The pixel array includes a first pixel, a second pixel, a third pixel and a fourth pixel. The first pixel has a first transistor coupled to the first data line and the second scan line. The second pixel has a second transistor coupled to the second data line and the first scan line. The third pixel has a third transistor coupled to the second data line and the second scan line. The fourth pixel has a fourth transistor coupled to the third data line and the third scan line.10-30-2008
20090079609Digital-to-analog converter - A digital-to-analog converter for converting a digital signal into an analog voltage is provided. The digital-to-analog converter includes a first series of resistors, a first cascade of switches, a second series of resistors and a second cascade of switches. The first series of resistors comprising a first resistor and a second resistor is electrically connected between a first voltage and an output terminal of the digital-to-analog converter. The first cascade of switches comprising a first switch and a second switch is controlled by the digital signal. The second series of resistors comprising a first matching resistor and a second matching resistor is electrically connected between a second voltage and the output terminal. The second cascade of switches comprising a first matching switch and a second matching switch is controlled by an inversion signal of the digital signal. The digital-to-analog converter outputs the analog voltage via the output terminal.03-26-2009
20090153455GRAY INSERTION DEVICE AND LIQUID CRYSTAL DISPLAY - A gray insertion device and a liquid crystal display (LCD) are provided. The gray insertion device is adapted to the LCD. The LCD includes a source driver and a source driving line. The gray insertion device includes a gray insertion controller and a gray insertion switch unit. The gray insertion switch unit is disposed outside the source driver. The gray insertion switch unit is coupled to the source driving line and the gray insertion controller. The gray insertion controller controls the gray insertion switch unit to transmit a voltage to the source driving line according to a timing signal, wherein the voltage is not provided by the source driver. Thereby, the present invention not only achieves gray insertion effect, but also decreases the power consumption of the source driver.06-18-2009
20100245332DISPLAY PANNEL - A display panel is disclosed has a plurality of source data lines and at least one first gate scan line and includes at least one first display row and at least one second display row. The first display row includes a plurality of first pixel units, and each of the first pixel units includes a first driving transistor. Gates of the first driving transistors are commonly coupled to the first gate scan line, and first sources/drains of the first driving transistors are sequentially coupled to odd columns of the source data lines. Moreover, the second display row includes a plurality of second pixel units, and each of the second pixel units includes a second driving transistor. Gates of the second driving transistors are commonly coupled to the first gate scan line, and first sources/drains of the second driving transistors are sequentially coupled to even columns of the source data lines.09-30-2010

Patent applications by Chin-Hung Hsu, Taoyuan County TW

Chin-Hung Hsu, Tao-Yuan Hsien TW

Patent application numberDescriptionPublished
20080231580LCD Device Driven by Pre-charge Procedure - The LCD device driven by a pre-charge procedure includes a source driver for generating data signals, a gate driver for generating gate signals, a plurality of data lines for receiving data signals, a plurality of gate lines for receiving gate signals, a plurality of display units for displaying data signals, a pre-charge controller for generating control signals, a plurality of dummy gate lines parallel to the plurality of gate lines for receiving the control signals, a plurality of voltage sources for providing a plurality of voltage levels, and a plurality of dummy switches for pre-charging the voltage levels of the corresponding data lines to specific voltage levels according to the signals of the corresponding dummy gate lines received by the control ends of the dummy switches.09-25-2008
20090195495LCD WITH SUB-PIXELS REARRANGEMENT - An LCD includes a display panel, a source driver, a gate driver, a timing controller, and a data converter. The display panel includes a plurality of pixel units, and each pixel unit has three sub-pixels. Each pixel is driven according to one or two data lines. The sub-pixels of the display panel are arranged to improve the display effect. The data converter converts the image data to drive the display panel.08-06-2009
20090251396Driving Method and Related Device for Reducing Power Noise for an LCD Device - A driving method for reducing power noise for an LCD device includes receiving a plurality of source channel output signals corresponding to a scan line of a first frame, and outputting the plurality of source channel output signals at a plurality of times, for driving the LCD device to display the scan line, wherein at least two source channel output signals are outputted at the same time in at least one of the plurality of times.10-08-2009
20090309860Driving Method and Related Device for Reducing Power Consumption of LCD - A driving method is provided for reducing power consumption of a liquid crystal display. The driving method includes steps of sequentially receiving first data and second data, determining whether the second data is the same as the first data, and controlling a data-line driving circuit not to read in driving data corresponding to the second data when the second data is the same as the first data.12-17-2009
20100188389METHOD FOR DRIVING A LIQUID CRYSTAL DISPLAY MONITOR AND RELATED APPARATUS - A method for driving a liquid crystal display monitor including a display panel with a plurality of pixels includes receiving image data which includes a plurality of image signals corresponding to the plurality of pixels, initiating a column inversion procedure for driving the display panel to display the image data, comparing the plurality of image signals during the column inversion procedure to generate a comparison result, and deciding whether to initiate a charge sharing function of the plurality of pixels according to the comparison result.07-29-2010
20110234655Driving Method and Related Driving Module - A driving method is provided for eliminating bright and dark lines in an LCD device. The driving method includes control different charging sequences to charge a plurality of pixels deposited in a first row and corresponding to a data line and a plurality of pixels deposited in a second row and corresponding to the data line.09-29-2011

Patent applications by Chin-Hung Hsu, Tao-Yuan Hsien TW

Chin-Hung Hsu, Taipei TW

Patent application numberDescriptionPublished
20120069044DYNAMIC GAMMA CONTROL METHOD FOR LCD - A dynamic gamma control method for an LCD is provided. The LCD displays a present frame by a plurality of gamma reference voltages and the present frame includes an R-pixel data sum, a G-pixel data sum and a B-pixel data sum which are obtained by respectively adding all R-pixel data, all G-pixel data and all B-pixel data of at least one pixel of the present frame. The method includes steps of: weighting the R-pixel data sum, the G-pixel data sum and the B-pixel data sum with a first, a second and a third parameters respectively and adding them up to obtain a gamma indication value, and choosing a suitable one from the plurality of gamma reference voltages to display the present frame thereby if the gamma indication value is equal to a gamma reference value formed by adding the first, the second and the third parameters up.03-22-2012