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

2005-06-10

2009-08-25

Lefkowitz, Sumati (Department: 2629)

Computer graphics processing and selective visual display system

Plural physical display element control system

Display elements arranged in matrix

C345S089000, C345S098000, C345S099000, C345S204000

Reexamination Certificate

active

07580019

ABSTRACT:
A driving method and apparatus of a liquid crystal display device is described. Data from a current frame is compressed and delayed by a frame memory. Compressed data of the current frame and the compressed data of a previous frame from the frame memory are restored. The restored data of the previous frame is compared with the restored data of the current frame to determine a modulated portion for the current frame in accordance with the comparison result. The current frame data is modulated by adding the modulated portion to the current frame data. Only a single frame memory is disposed within the driving apparatus.

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Office Action issued in corresponding Japanese Patent Application No. 2005-153435; mailed May 7, 2008.

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