Transparent surface formed complex polymer lenses

Details Transparent surface formed complex polymer lenses Transparent surface formed complex polymer lenses

2005-03-15

2005-03-15

Epps, Georgia (Department: 2873)

Optical: systems and elements

Lens

Diffusing

C359S455000, C359S599000, C359S620000

Reexamination Certificate

active

06867927

ABSTRACT:
Disclosed is a transparent polymeric film having a top and bottom surface comprising a plurality of complex lenses on at least one surface thereof and containing as its primary ingredient a polymer sufficient to impart to the film a light transmission of at least 92% based on a film thickness of 125 micrometers.

REFERENCES:
patent: 4427265 (1984-01-01), Suzuki et al.
patent: 6130777 (2000-10-01), Yamashita et al.
patent: 6661552 (2003-12-01), Hira
patent: 6721102 (2004-04-01), Bourdelais et al.
patent: 6798574 (2004-09-01), Kim

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