Optical film

Details Optical film Optical film

2011-04-19

2011-04-19

Stultz, Jessica T (Department: 2873)

Optical: systems and elements

Single channel simultaneously to or from plural channels

By surface composed of lenticular elements

C359S621000, C359S623000

Reexamination Certificate

active

07929211

ABSTRACT:
An optical film comprises a transparent substrate including a top surface and a bottom surface; a micro-hemisphere layer disposed on the top surface of the transparent substrate and having a plurality of hemispheric projections, and an unsmooth diffusion layer disposed on the bottom layer of the transparent substrate. The micro-hemisphere layer condenses a light. The unsmooth diffusion surface diffuses a light.

REFERENCES:
patent: 6169633 (2001-01-01), Watanabe
patent: 6900941 (2005-05-01), Kaminsky et al.
patent: 7213936 (2007-05-01), Wang et al.
patent: 7391571 (2008-06-01), Lee et al.
patent: 2003/0072080 (2003-04-01), Ariyoshi et al.
patent: 2005/0248848 (2005-11-01), Whitehead et al.
patent: 2006/0114569 (2006-06-01), Capaldo et al.
patent: 2006/0232859 (2006-10-01), Ebina et al.
patent: 2006/0285214 (2006-12-01), Haga et al.

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