Light directing film

Details Light directing film Light directing film

2011-05-31

2011-05-31

Amari, Alessandro (Department: 2872)

Illumination

Edge lighted panel

Light guide

C362S626000, C359S599000, C349S112000

Reexamination Certificate

active

07950838

ABSTRACT:
A light directing film and an optical system incorporating same are disclosed. The light directing film includes a first major surface and a microstructured second major surface. The microstructured second major surface has at least two periodic microstructured patterns. The first periodic pattern is arranged along a first direction. The second periodic pattern is arranged along a second direction different from the first direction.

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patent: 2005/0094295 (2005-05-01), Yamashita et al.
patent: 2006/0256582 (2006-11-01), Chuang

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