Light collimating and diffusing film and system for making...

Optical: systems and elements – Diffusing of incident light

Reexamination Certificate

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Details

C359S641000, C362S558000, C349S064000

Reexamination Certificate

active

07092163

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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PCT Search Report, PCT/US2005/025699 Mailing date Oct. 28, 2005.

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