Prism sheet

Details Prism sheet Prism sheet

2011-06-28

2011-06-28

Amari, Alessandro (Department: 2872)

Optical: systems and elements

Diffusing of incident light

C362S620000, C349S064000, C349S112000

Reexamination Certificate

active

07969655

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 defines a plurality of spherical depressions. The second surface defines a plurality of rectangular structures. Each rectangular structure defines four adjacent triangular pyramid depressions.

REFERENCES:
patent: 2009/0021667 (2009-01-01), Horiguchi et al.
patent: 2009/0080218 (2009-03-01), Hsu et al.

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