Divergent angle rotator system and method for collimating light beams
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United States of America Patent
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Dec 29, 1998
Grant Date -
N/A
app pub date -
Oct 8, 1996
filing date -
Oct 8, 1996
priority date (Note) -
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status (Latency Note)
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Abstract
An assembly for frontlighting or backlighting a display or other such arrangement requiring frontlighting or backlighting is disclosed herein. The assembly uses a light pipe with a set of specially configured microprisms to rotate the divergent angle of light. The divergent angle rotator is used with a flat collimator assembly for efficient display illuminating with light of a controllable degree of collimation in both dimensions.
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