Prism sheet having parallelogram microstructures

Details Prism sheet having parallelogram microstructures Prism sheet having parallelogram microstructures

2008-08-28

2011-11-22

Cariaso, Alan (Department: 2885)

Illumination

Light modifier

Refractor

C362S330000, C359S837000

Reexamination Certificate

active

08061877

ABSTRACT:
An exemplary prism sheet includes a transparent main body. The transparent main body includes a first surface and a second surface. The first surface and the second surface are on opposite sides of the main body. The first surface of transparent main body is flat. The second surface defines a plurality of parallelogram microstructures. Each parallelogram microstructure defines four adjacent triangular pyramid depressions.

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patent: 2006/0256582 (2006-11-01), Chuang

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