METHOD AND APPARATUS FOR INCREASING COLOR GAMUT OF A DISPLAY
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United States of America Patent
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Nov 18, 2003
Grant Date -
Nov 20, 2003
app pub date -
May 20, 2002
filing date -
May 20, 2002
priority date (Note) -
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Abstract
A method and projection system (10) for increasing the color gamut of images projected onto a display surface (140) by using four or more light sources (12), where the light sources (12) are selected for high brightness and narrow wavelength characteristics and are selected from optimal wavelengths for color gamut expansion. Light sources (12) for large-scale projection environments are preferably lasers. Smaller systems may employ LEDs or other relatively saturated, relatively bright light sources (12).
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