Method for driving liquid crystal display

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

2007-01-16

2007-01-16

Liang, Regina (Department: 2629)

Computer graphics processing and selective visual display system

Plural physical display element control system

Display elements arranged in matrix

C345S095000, C345S100000

Reexamination Certificate

active

10656575

ABSTRACT:
Disclosed is a method for driving a liquid crystal display, in which the response speed of a liquid crystal is improved by the change of gate pulse voltage. The method comprises the steps of: sequentially generating a plurality of gate pulse voltages having 1st to 3rd levels while being synchronized with vertical clock signal in said 1 vertical period; in invert driving, dividing the generating period of the plural gate pulse voltages into a charge period, a holding period and a discharge period in respective polar periods corresponding to the 1st to 3rd levels of the plural gate pulse voltage; and converging pixel voltage of the discharge period to a common voltage level, wherein the 3rd level exists in a range between the 1st level and the 2ndlevel.

REFERENCES:
patent: 5526012 (1996-06-01), Shibahara
patent: 5995074 (1999-11-01), Kusafuka et al.
patent: 6005542 (1999-12-01), Yoon

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