LIQUID CRYSTAL DISPLAY APPARATUS
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United States of America Patent
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N/A
Issued Date -
Jul 16, 2009
app pub date -
Dec 23, 2008
filing date -
Jan 11, 2008
priority date (Note) -
Abandoned
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Abstract
A liquid crystal display apparatus includes a plurality of source lines and gate lines, pixel switching elements, and a plurality of drive circuits, each provided for a group of a predetermined number of source lines, and converting i-bit data video signal into an analog gradation signal and supplying the analog gradation signal to each of the source lines, the liquid crystal display apparatus performing gradation display with an ith power of 2, based on i-bit data, wherein the drive circuits each include a first switching circuit which selects the video signal, a digital to analog conversion circuit DAC which converts the video signal into the gradation signal, a second switching circuit which supplies the gradation signal to each source line, and a control circuit which controls an order of supplying the gradation signal to each source line to be different every n horizontal period and every m vertical period.
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