Light diffusing sheet with two kinds of light diffusion...

Details Light diffusing sheet with two kinds of light diffusion... Light diffusing sheet with two kinds of light diffusion...

2006-11-30

2010-02-02

Mahoney, Christopher (Department: 2862)

Optical: systems and elements

Projection screen

Embedded particles

C359S453000

Reexamination Certificate

active

07656580

ABSTRACT:
A light diffusing sheet (21) including a main body. The main body is made of a transparent resin matrix material (211), and a plurality of first light diffusion particles (212) and a plurality of second light diffusion particles (213) dispersed in the transparent resin matrix material uniformly. A refractive index of the second light diffusion particles is greater than that of the first light diffusion particles. The light diffusing sheet has improved light diffusing capability.

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patent: 6217176 (2001-04-01), Maekawa
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patent: 6871994 (2005-03-01), Harada et al.
patent: 7190517 (2007-03-01), Abe et al.
patent: 7213923 (2007-05-01), Liu et al.
patent: 7513655 (2009-04-01), Chang

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