Power supply for liquid crystal display panel

Details Power supply for liquid crystal display panel Power supply for liquid crystal display panel

2006-04-11

2006-04-11

Wu, Xiao (Department: 2674)

Computer graphics processing and selective visual display system

Plural physical display element control system

Display elements arranged in matrix

C345S211000, C345S204000

Reexamination Certificate

active

07027017

ABSTRACT:
A power supply for a liquid crystal display panel, comprising a booster generating unit for generating a power voltage by boosting a system voltage comprising at least one operational amplifier for generating a common voltage and a gamma reference voltage, the booster further comprising at least one capacitor, at least one inductor, and at least one resistance arranged outside an integrated circuit, a common voltage generating unit having at least one operational amplifier, at least one resistance and at least one capacitor, wherein the at least one operational amplifier is located within the integrated circuit, and a gamma voltage generating unit having at least one operational amplifier and a resistance network wherein the resistance network is located outside the integrated circuit.

REFERENCES:
patent: 5323171 (1994-06-01), Yokouchi et al.
patent: 5402142 (1995-03-01), Okada et al.
patent: 5663743 (1997-09-01), Fujii et al.
patent: 6677923 (2004-01-01), Kajihara et al.
patent: 6844839 (2005-01-01), Lee et al.

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