Display device and driving circuit for displaying

Details Display device and driving circuit for displaying Display device and driving circuit for displaying

2006-05-02

2006-05-02

Tran, Henry N. (Department: 2674)

Computer graphics processing and selective visual display system

Display driving control circuitry

Intensity or color driving control

C345S211000, C345S596000, C345S605000, C348S557000, C348S574000, C382S163000, C382S166000

Reexamination Certificate

active

07038702

ABSTRACT:
A frame memory105stores the original image data received from a higher-level device102via an interface103. Color reduction processing means receives color reduction rate data through a transfer from an upper-level device102or manual setting means such as a switch or jumper settings. Based on this color reduction rate data, the number of colors in the gradation data of the original image is reduced, and the color count of the original image is simulated using the reduced color count. Also included are a timing generating circuit106and a gradation voltage generating circuit107. A gradation voltage selector108performs a partial halting of driver operations based on the color reduction rate.

REFERENCES:
patent: 5734369 (1998-03-01), Priem et al.
patent: 5920305 (1999-07-01), Yoon
patent: 6028588 (2000-02-01), Yoon
patent: 6052113 (2000-04-01), Foster
patent: 2002/0011979 (2002-01-01), Nitta et al.
patent: 9-101771 (1997-04-01), None
patent: 2001-108961 (2001-04-01), None

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