Display apparatus containing controller driver with...

Details Display apparatus containing controller driver with... Display apparatus containing controller driver with...

2011-08-30

2011-08-30

Lao, Lun-Yi (Department: 2629)

Computer graphics processing and selective visual display system

Display driving control circuitry

Intensity or color driving control

C345S089000, C348S674000, C348S675000, C358S519000, C358S521000

Reexamination Certificate

active

08009180

ABSTRACT:
A display apparatus includes a display panel; a correcting circuit configured to carry out gamma correction on input gradation data in response to correction data which specifies a shape of a gamma curve to generate output gradation data; and a driving circuit configured to drive the display panel in response to the output gradation data from the correcting circuit. The correcting circuit carries out approximation calculation for the gamma correction based on the input gradation data by using a correction calculation equation whose coefficients are determined based on the correction data, and the correction calculation equation is switched based on a value of the input gradation data and a value of the correction data.

REFERENCES:
patent: 2002/0057374 (2002-05-01), Suzuki
patent: P2000-184236 (2000-06-01), None
patent: P2001-103504 (2001-04-01), None
patent: P2001-238227 (2001-08-01), None
patent: P2004-212598 (2004-07-01), None
patent: 2004-350115 (2004-12-01), None
Chinese Office Action dated Sep. 19, 2008 with English-Language Translation.

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