Long curved wedges in an optical film

Details Long curved wedges in an optical film Long curved wedges in an optical film

2008-05-06

2008-05-06

O'Shea, Sandra (Department: 2875)

Illumination

Edge lighted panel

Light guide

C362S617000, C362S627000, C362S606000, C359S619000, C359S024000, C385S049000, C385S130000

Reexamination Certificate

active

11265900

ABSTRACT:
The invention relates to a light redirecting polymeric film comprising a plurality of polymeric individual optical elements wherein the elements comprise curved wedge shaped features in the plane of the film, having a length in the range of 800 to 4000 micrometers.

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