Driving circuit for liquid crystal display and method for...

Details Driving circuit for liquid crystal display and method for... Driving circuit for liquid crystal display and method for...

2006-02-28

2006-02-28

Shankar, Vijay (Department: 2673)

Computer graphics processing and selective visual display system

Plural physical display element control system

Display elements arranged in matrix

C345S088000, C345S089000, C345S092000, C345S098000

Reexamination Certificate

active

07006066

ABSTRACT:
The driving circuit of a liquid crystal cell structure consists essentially of first and second write-enable transistors, first and second storage capacitors, first and second display-enable transistors, and a reset/preset transistor. When one of the display-enable transistors is turned on such that the video data saved in the corresponding storage capacitor is loaded into the mirror electrode for display, the other corresponding write-enable transistor is turned on simultaneously to pre-load the next video data into the corresponding storage capacitor. When the first and second display-enable transistors both are turned off, the reset/preset transistor is turned on to set the liquid crystal in the reset/preset voltage, wherein the reset/preset voltage is based on the overdrive voltage of the arrangement of the liquid crystal before next sub-frame time so as to increase the response rate of the liquid crystal cell.

REFERENCES:
patent: 5566010 (1996-10-01), Ishii et al.
patent: 6329971 (2001-12-01), McKnight
patent: 6421037 (2002-07-01), Chen

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