Display device

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2006-10-06

2010-06-08

Awad, Amr (Department: 2629)

Computer graphics processing and selective visual display system

Plural physical display element control system

Display elements arranged in matrix

C345S690000

Reexamination Certificate

active

07733314

ABSTRACT:
In a display device, a first image processor outputs a first pretilt gray scale in response to a first external image signal during a first pretilt period and a second image processor outputs a second pretilt gray scale higher than the first pretilt gray scale in response to a second external image signal during a second pretilt period. A gamma reference voltage generator outputs a gamma reference voltage. A data driver outputs a first pretilt voltage by converting the first pretilt gray scale into the first pretilt voltage and outputs a second pretilt voltage identical to the first pretilt voltage by converting the second pretilt gray scale into the second pretilt voltage.

REFERENCES:
patent: 2003/0122761 (2003-07-01), Hong
patent: 2004/0196274 (2004-10-01), Song et al.
patent: 2005/0093803 (2005-05-01), Cheon et al.
patent: 2006/0176264 (2006-08-01), Go
patent: 2007/0070015 (2007-03-01), Chang et al.

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