Driving method of liquid crystal display device
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United States of America Patent
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Aug 15, 2017
Grant Date -
Jan 5, 2012
app pub date -
May 19, 2011
filing date -
May 19, 2011
priority date (Note) -
Withdrawn
status (Latency Note)
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Abstract
An object is to provide a driving method of a liquid crystal display device with a low power consumption and a high image quality. A pixel includes a liquid crystal element and a transistor which controls supply of an image signal to the liquid crystal element. The transistor includes, in a channel formation region, a semiconductor which has a wider band gap than a silicon semiconductor and has a lower intrinsic carrier density than silicon, and has an extremely low off-state current. In inversion driving of pixels, image signals having opposite polarities are input to a pair of signal lines between which a pixel electrode is disposed. By employing such a structure, the quality of the displayed image can be increased even in the absence of a capacitor in the pixel.
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