Display control method, driving device for display device,...

Details Display control method, driving device for display device,... Display control method, driving device for display device,...

2011-04-12

2011-04-12

Nguyen, Kevin M (Department: 2629)

Computer graphics processing and selective visual display system

Display driving control circuitry

Intensity or color driving control

C345S089000

Reexamination Certificate

active

07924298

ABSTRACT:
A modulation processing section compares video data of a current frame and a previous frame representative value supplied from a frame memory, corrects the video data so that a gradation transition from a gradation indicated by the previous frame representative value to a gradation indicated by the video data is emphasized, and outputs the corrected video data. A judgment section compares both of the data and judges, out of a value calculated from the previous frame representative value by a representative value generating section and the video data, which is to be stored in the frame memory till a next frame begins. This allows for realizing a liquid crystal display device capable of preventing with a relatively small-scale circuit (alternatively, a relatively small amount of calculation) a phenomenon such that: although a response speed of a pixel is improved, the emphasis modulation and a response delay of the pixel are combined so that image quality in displaying moving images deteriorates.

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