PROJECTION DISPLAY USING REFLECTIVE LIGHT MODULATORS
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United States of America Patent
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Oct 1, 2002
Grant Date -
Oct 17, 2002
app pub date -
Apr 17, 2001
filing date -
Apr 17, 2001
priority date (Note) -
Granted
status (Latency Note)
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Abstract
In a projection display, input light is separated by a polarization beam splitter prism into first and second color components, and a third color component. The first and second color components, together with a light leakage component that is associated with the third color component, are directed by the polarization beam splitter prism to a color synthesizing prism or a color splitter prism set, which then separates the first and second color components and the light leakage component so as to travel in three different directions, respectively. The first and second color components from the color synthesizing prism or the color splitter prism set, and the third color component from the polarization beam splitter prism are processed by reflective first, second and third light modulators, respectively.
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