Electronically programmable color wheel
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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Apr 25, 2000
Grant Date -
N/A
app pub date -
May 27, 1998
filing date -
May 30, 1997
priority date (Note) -
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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.
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