Grooved optical microstructure light collimating films

Details Grooved optical microstructure light collimating films Grooved optical microstructure light collimating films

2005-04-19

2005-04-19

O'Shea, Sandra (Department: 2875)

Illumination

Revolving

C362S026000, C362S027000, C362S333000

Reexamination Certificate

active

06880946

ABSTRACT:
A light collimating film includes a sheet having a first side and a second side. The first side can include a series of optical elements and the second side includes a series of stepped plateaus and a series of base planes that run along a first axis. The plateaus and base planes alternate along a second axis and the plateaus have an elevation different than the base planes.

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Patent Abstract for Japanese Publication No. 06324205, published Nov. 25, 1994.

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