Active matrix liquid crystal display device

Details Active matrix liquid crystal display device Active matrix liquid crystal display device

2005-03-02

2008-08-26

Chang, Kent (Department: 2629)

Computer graphics processing and selective visual display system

Plural physical display element control system

Display elements arranged in matrix

C345S094000, C345S209000

Reexamination Certificate

active

07417615

ABSTRACT:
The non-linear amplifier performs a gamma correction to the analog video signal inputted from outside along with the non-linear correction for eliminating the effect of the dependency of the dielectric constant of the liquid crystal on the pixel potential Vp. The analog video signal corrected by the non-linear amplifier is then applied to a pair of amplifiers and that output a pair of signals with the polarity inverted against the potential Vcom of the common electrode. A switching circuit switches and outputs the output from the pair of the amplifiers according to the inverted signal.

REFERENCES:
patent: 6115018 (2000-09-01), Okumura et al.
patent: 6552706 (2003-04-01), Ikeda et al.
patent: 6897845 (2005-05-01), Ozawa
patent: 7088328 (2006-08-01), Inada et al.
patent: 7205969 (2007-04-01), Song
patent: 2000-081606 (2000-03-01), None
patent: 2003-150127 (2003-05-01), None

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