Stacked LCD color projector with equal path lengths
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United States of America Patent
Stats
-
Feb 2, 1993
Grant Date -
N/A
app pub date -
Sep 20, 1991
filing date -
Sep 20, 1991
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
Display apparatus for forming an image from a plurality of image modulators located at different distances from an image surface includes illumination means for forming an illumination beam, a plurality of image forming modulators disposed at different distances from the image surface, for forming a composite image on the image surface, path length correcting means disposed between the plurality of image forming modulators and the image surface, for equalizing the optical path lengths between the image forming modulators and the image surface, so that the composite image can be focused.
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Family
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Cited Art Landscape
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