Method and apparatus for driving liquid crystal display device

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

2008-07-01

2008-07-01

Osorio, Ricardo (Department: 2629)

Computer graphics processing and selective visual display system

Plural physical display element control system

Display elements arranged in matrix

C345S089000

Reexamination Certificate

active

07394448

ABSTRACT:
An apparatus for driving a liquid crystal display includes a picture quality improving unit that extracts a brightness component from first data, analyzes the brightness using the extracted brightness component, and generates second data having a contrast in accordance with the analyzed brightness. The contrast of the second data is extended from that of the first data. A timing controller rearranges the second data to supply the second data to a data driver. A backlight supplies the light to a liquid crystal panel in accordance with a driving current. An inverter supplies the driving current to the backlight.

REFERENCES:
patent: 5337068 (1994-08-01), Stewart et al.
patent: 5592193 (1997-01-01), Chen
patent: 7079107 (2006-07-01), Miyake
patent: 2005/0104837 (2005-05-01), Baik et al.
patent: 2005/0140640 (2005-06-01), Oh et al.

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