Method for driving liquid crystal display device

Details Method for driving liquid crystal display device Method for driving liquid crystal display device

1997-04-28

2000-02-29

Hjerpe, Richard A.

Computer graphics processing and selective visual display system

Plural physical display element control system

Display elements arranged in matrix

345 92, 345100, G09G 336

Patent

active

060315148

ABSTRACT:
For enabling a liquid display drive with a low voltage and a high speed, each pixel is provided with a liquid crystal cell 5, a switching transistor 7 and an additional capacitance 9, and the additional capacitances are electrically commonly connected for a block of plural pixels. After the image signal is supplied to the pixels corresponding to the block, the potential of desired one of the common electrode lines 52, 52', to which the additional capacitances 9 corresponding to the block are connected, is varied and retained at thus varied value.

REFERENCES:
patent: 4386352 (1983-05-01), Nonomura et al.
patent: 4393380 (1983-07-01), Hosokawa et al.
patent: 4429305 (1984-01-01), Hosokawa et al.
patent: 5151805 (1992-09-01), Takeda et al.

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