Method of calibrating a color wheel system having a clear segmen

Details Method of calibrating a color wheel system having a clear segmen Method of calibrating a color wheel system having a clear segmen

1998-05-27

2000-08-22

Harvey, David E.

Television

Video display

Color sequential

348180, H04N 912

Patent

active

061080535

ABSTRACT:
A display system using red, green, blue, and white light. The system derives data for the white portion of a color wheel or a white device from the red, green and blue data. The white portion of the color wheel is controlled as if it were another primary color on the wheel. Errors are prevented by a correction applied if the unfiltered light from the source has a different color temperature than the white light produced using the red, green and blue segments of the color wheel, or the devices for those colors. Analysis is performed on the data to determine if white light is necessary to be added to each frame of data.

REFERENCES:
patent: 5233385 (1993-08-01), Sampsell
patent: 5278639 (1994-01-01), Fort

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