Projection display with three polarization beam splitter prisms
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United States of America Patent
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May 7, 2002
Grant Date -
N/A
app pub date -
Jun 13, 2001
filing date -
Jun 13, 2001
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A projection display is used to process a light beam that includes first, second and third color components and that is to be provided to a projection lens. The projection display includes a dichroic beam splitter which separates the first color component from the second and third color components. A first polarization beam splitter prism cooperates with a first reflective light valve to process the first color component. A second polarization beam splitter prism cooperates with second and third reflective light valves to process the second and third color components. A third polarization beam splitter prism is disposed so as to direct the processed color components from the first and second polarization beam splitter prisms to the projection lens.
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