Method and apparatus for driving liquid crystal display

Details Method and apparatus for driving liquid crystal display Method and apparatus for driving liquid crystal display

2007-10-30

2007-10-30

Le, Vu (Department: 2609)

Computer graphics processing and selective visual display system

Plural physical display element control system

Display elements arranged in matrix

C348S672000

Reexamination Certificate

active

10876681

ABSTRACT:
A method of driving a liquid crystal display includes arranging an externally provided first data into a histogram for each frame, producing a second data having an expanded contrast using the histogram, determining a control value by extracting a peak value at a position where brightness components are concentrated in a distribution, and controlling a brightness of a back light in accordance with a gray level of the control value.

REFERENCES:
patent: 6795053 (2004-09-01), Funamoto et al.
patent: 7119786 (2006-10-01), Cui
patent: 2002/0070914 (2002-06-01), Bruning et al.
patent: 2003/0001815 (2003-01-01), Cui
patent: 2003/0222884 (2003-12-01), Ikeda et al.
patent: 2005/0057485 (2005-03-01), Diefenbaugh

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