LIQUID-CRYSTAL DISPLAY DEVICE

PROBLEM TO BE SOLVED: To provide a liquid-crystal display device which suppresses so-called crosstalk while making a drive voltage into AC. SOLUTION: The liquid crystal display device has a simple dot matrix type liquid-crystal panel 100 in which 'display state' or 'non-display state&...

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1. Verfasser: HORIGUCHI SHUICHI
Format: Patent
Sprache:eng
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Zusammenfassung:PROBLEM TO BE SOLVED: To provide a liquid-crystal display device which suppresses so-called crosstalk while making a drive voltage into AC. SOLUTION: The liquid crystal display device has a simple dot matrix type liquid-crystal panel 100 in which 'display state' or 'non-display state' occurs according to bright/dark state of a pixel, where a plurality of data electrodes are opposed to a plurality of scan electrodes as an intersection to provide the opposed point as the pixel, a first drive circuit 200 which applies a first drive voltage to the data electrode, a second drive circuit 300 which applies a second drive voltage to the scan electrode, and a voltage selector circuit 400 which outputs a prescribed voltage to the first drive circuit and the second drive circuit so that the potential difference of the pixel of 'non-display state' becomes smaller than before in synchronous with switching of polarity when the polarity in potential difference of the pixel between the first voltage and the second voltage is inverted.