Apparatus and method for driving liquid crystal display device

Details Apparatus and method for driving liquid crystal display device Apparatus and method for driving liquid crystal display device

2006-11-07

2006-11-07

Sajous, Wesner (Department: 2628)

Computer graphics processing and selective visual display system

Computer graphics processing

Attributes

C345S204000, C345S214000, C345S690000, C345S077000, C348S246000, C348S761000

Reexamination Certificate

active

07133049

ABSTRACT:
A display device includes a display panel having a plurality of pixels, each pixel including R, G B and W sub-pixels; a color information detecting unit receiving R, G and B sub-pixel video data for each pixel and outputting a detecting signal when one or two of the R, G and B sub-pixel video data are null; a color component determining unit receiving the detecting signals for the entire pixels, operating the detecting signals, comparing the operated detecting signals with at least one reference value, and outputting a control singal; and a light source control unit controlling an amount of a light source according to the control signal.

REFERENCES:
patent: 6947083 (2005-09-01), Nakajima
patent: 2002/0080253 (2002-06-01), Kim
patent: 2003/0151682 (2003-08-01), Kokubo et al.
patent: 2003/0222861 (2003-12-01), Nishikawa et al.

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