Common voltage adjustment circuit and liquid crystal display...

Details Common voltage adjustment circuit and liquid crystal display... Common voltage adjustment circuit and liquid crystal display...

2008-07-15

2008-07-15

Hjerpe, Richard (Department: 2629)

Computer graphics processing and selective visual display system

Plural physical display element control system

Display elements arranged in matrix

C341S154000

Reexamination Certificate

active

10919868

ABSTRACT:
A common voltage adjustment circuit. The common voltage adjustment circuit is applied in a liquid crystal display panel having a plurality of display units, coupled to a common electrode. The common voltage adjustment circuit has a first register, a second register, a first digital-to-analog converter, a second digital-to-analog converter, and a regulator. The common voltage adjustment circuit adjusts AC voltage and DC voltage of the common voltage and provides the adjusted common voltage to the common electrode.

REFERENCES:
patent: 6366065 (2002-04-01), Morita
patent: 7138996 (2006-11-01), Lee et al.
patent: 2004/0046724 (2004-03-01), Woo et al.

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