Image projection system having an extra optical system for at least partly re-illuminating the image display system
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United States of America Patent
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Jun 17, 2003
Grant Date -
N/A
app pub date -
Sep 27, 2000
filing date -
Sep 29, 1999
priority date (Note) -
Expired
status (Latency Note)
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Abstract
An image projection system includes an illumination system and an image display system with at least one reflective image display panel for modulating. An illumination beam is supplied by the illumination system with image information and a projection lens system. The illumination system has an extra optical system that at least partly re-illuminates the image display system with light reflected by the reflective image display panel to the illumination system. The extra optical system redistributes light coming from a pixel of the image display system across a plurality of pixels of the image display system.
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