Method of driving a display adaptive for making a stable...

Details Method of driving a display adaptive for making a stable... Method of driving a display adaptive for making a stable...

2004-06-28

2008-12-16

Nguyen, Chanh (Department: 2629)

Computer graphics processing and selective visual display system

Plural physical display element control system

Display elements arranged in matrix

C345S084000

Reexamination Certificate

active

07466301

ABSTRACT:
A driving method and apparatus for a liquid crystal display stabilizing variations in the brightness of a back light dependent upon brightness components extracted from data to be displayed are disclosed. In the method, the brightness components of each frame are arranged into a histogram, which is divided into a plurality of brightness areas. The most-frequent value of the brightness components or the average value of the brightness components is extracted. The brightness of a back light is controlled to correspond to the brightness areas to which the extracted most-frequent value or the average value belongs. One or more particular areas within the brightness areas are selected such that if the extracted most-frequent value or the average value belongs to the particular areas, the brightness of the back light may not be changed in successive frames.

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Preliminary Notice of Reasons for Rejection for corresponding Japanese Patent Application Serial No. 2004-192074, dated Nov. 27, 2007.

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