Ferroelectric liquid crystal panel driving method and liquid crystal display device
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United States of America Patent
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Jan 13, 2015
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Mar 25, 2009
filing date -
Mar 27, 2008
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Abstract
The present invention relates to a method for driving a ferroelectric liquid crystal panel. A liquid crystal display device according to the present invention includes a ferroelectric liquid crystal panel having a ferroelectric liquid crystal provided between a pair of substrates, a plurality of scanning electrodes and a plurality of drive electrodes, and a plurality of pixels constituted by intersections between the plurality of scanning electrodes and the plurality of signal electrodes, and a controller for applying driving pulses to the plurality of scanning electrodes and the plurality of signal electrodes. The controller applies to the plurality of pixels first reset pulses, first selection pulses for switching the plurality of pixels, second reset pulses having a voltage or pulse width different from that of the first reset pulses, and second selection pulses having a voltage or pulse width different from that of the first selection pulses and for switching the plurality of pixels. According to the present invention, a clear image can be obtained regardless of threshold unevenness.
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