Bulk complex polymer lens light diffuser
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United States of America Patent
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Oct 21, 2003
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N/A
app pub date -
Mar 11, 2002
filing date -
Mar 11, 2002
priority date (Note) -
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Abstract
Disclosed is a diffusion film comprising a transparent polymeric film base bearing a plurality of integral contiguous layers, each layer having a pattern of complex lenses on a surface thereof, at least two such contiguous layers comprising material having an index of refraction differing by at least 0.1.
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