Light collimating and diffusing film and system for making the film
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United States of America Patent
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Aug 15, 2006
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N/A
app pub date -
Jul 22, 2004
filing date -
Jul 22, 2004
priority date (Note) -
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Abstract
A light collimating and diffusing film and a method for making the film are provided. The film includes a plastic layer having a first side and a second side opposite the first side and at least a first peripheral edge. The first side has a first textured surface, wherein between 7 to 20 percent of slope angles on the first textured surface proximate a first axis has a value between zero and five degrees. The first axis is substantially parallel to the first peripheral edge. The plastic layer collimates light propagating therethrough.
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