Liquid crystal apparatus
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United States of America Patent
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Aug 22, 2017
Grant Date -
May 26, 2016
app pub date -
Jul 11, 2014
filing date -
Jul 11, 2013
priority date (Note) -
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status (Latency Note)
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Abstract
A drive circuit has a ferroelectric liquid crystal panel that operates at a given switching angle and response speed, a sensor that measures temperature, a drive circuit that supplies driving voltage to the ferroelectric liquid crystal panel, a waveform generation circuit that supplies a waveform signal to the drive circuit, and a control circuit that controls the waveform generation circuit; and in a first frame of the driving voltage, outputs during a first interval, a first voltage that is positive and outputs during a second interval that is longer than the first interval, a second voltage that is positive, and in a second frame, outputs during the first interval, the first voltage that is negative and outputs during the second interval that is longer than the first interval, the second voltage that is negative. The control circuit varies the first voltage and the second voltage according to the measured temperature.
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