Driving method of liquid crystal display device and liquid...

Details Driving method of liquid crystal display device and liquid... Driving method of liquid crystal display device and liquid...

2006-07-25

2006-07-25

Nguyen, Jimmy H. (Department: 2673)

Computer graphics processing and selective visual display system

Plural physical display element control system

Display elements arranged in matrix

C345S094000

Reexamination Certificate

active

07081873

ABSTRACT:
In a liquid crystal display device that uses a liquid crystal material having spontaneous polarization and is actively driven by a TFT, a voltage corresponding to image data is applied twice by driving the TFT of each pixel electrode on a line by line basis of a liquid crystal panel, during writing in one frame. During erasure in one frame, voltage application to liquid crystal by batch selection of all the pixel electrodes is performed three times. With this three times of voltage application, it is possible to achieve a black display state in each pixel and make the stored charge amount at the liquid crystal in each pixel substantially zero.

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