Electro-optic projection display with luminosity channel
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United States of America Patent
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Apr 24, 2001
Grant Date -
N/A
app pub date -
May 18, 1999
filing date -
May 18, 1999
priority date (Note) -
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Abstract
A luminosity channel may be provided in an electro-optic projection display by beam splitting the incident light source into first and second polarization beams. One polarization beam may be used to illuminate the three modulators for the three primary color channels. The other beam may be utilized to illuminate a white light modulator which provides a luminosity channel. The two beams may be recombined to produce the final image. As a result, in some embodiments, higher resolution, or wider color gamut, and better image quality may be achieved without unduly effecting the light efficiency of the display.
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