Method and apparatus for controlling common mode electrode...

Details Method and apparatus for controlling common mode electrode... Method and apparatus for controlling common mode electrode...

2006-08-08

2006-08-08

Hjerpe, Richard (Department: 2629)

Computer graphics processing and selective visual display system

Plural physical display element control system

Display elements arranged in matrix

C345S204000

Reexamination Certificate

active

07088331

ABSTRACT:
A device for controlling common mode electrode voltage in a liquid crystal display includes at least a first sensor for measuring flicker resulting from applying a video signal with a predetermined color and drive level to an imager. A detector for determining a difference between a positive field detector voltage and a negative field detector voltage is used to provide a feed-back loop for feeding back the difference to a controller to adjust the common mode electrode voltage.

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patent: 5045928 (1991-09-01), Takaiwa et al.
patent: 5239368 (1993-08-01), Suzuki et al.
patent: 5537129 (1996-07-01), Okada et al.
patent: 5561442 (1996-10-01), Okada et al.
patent: 5920298 (1999-07-01), McKnight

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