White point correction without luminance degradation

Details White point correction without luminance degradation White point correction without luminance degradation

2005-12-06

2005-12-06

Bella, Matthew C. (Department: 2676)

Computer graphics processing and selective visual display system

Computer graphics processing

Attributes

C345S088000, C345S600000, C345S606000

Reexamination Certificate

active

06972772

ABSTRACT:
White point is corrected without degrading luminance on a display device. A white point manager modifies the balance between red, green and blue according to a target white point up to a threshold gray value. As the gray scale approaches white from the threshold gray value, the white point manager blends the balance between red, green and blue from the target white point substantially towards the native white point for the display device, so as not to degrade luminance as the gray scale approaches white.

REFERENCES:
patent: 6686953 (2004-02-01), Holmes

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