LIQUID CRYSTAL DISPLAY DEVICE, DATA LINE DRIVE CIRCUIT, AND DRIVE METHOD FOR LIQUID CRYSTAL DISPLAY DEVICE
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United States of America Patent
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app pub date -
Jan 26, 2017
filing date -
May 24, 2012
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Abandoned
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Abstract
Provided is a liquid crystal display device that can suppress, more than the prior art, lowering of display quality when low-frequency drive is being carried out. The liquid crystal display device is operated in a low frequency drive mode. A source driver applies a gradation voltage during write periods and an idle period voltage during an idle period to each source line. The value of the idle period voltage is, for example, an average value of a maximum gradation positive voltage, a maximum gradation negative voltage, a minimum gradation positive voltage, and a minimum gradation negative voltage. By making the voltage for each source line during the idle period be the idle period voltage, potential variations in the source lines when switching from the write periods to the idle period are smaller than the prior art.
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