Optical film

Optical: systems and elements – Single channel simultaneously to or from plural channels – By surface composed of lenticular elements

Reexamination Certificate

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Reexamination Certificate

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08085469

ABSTRACT:
An optical film includes a first refraction layer having a first surface with first optical lens patterns for scattering light and a second surface opposite to the first surface, the first optical lens patterns having a lens shape, and a second refraction layer on the first surface and having second optical patterns for redirecting light in a first direction that is perpendicular to the second surface of the first refraction layer, the second optical patterns being linearly arranged.

REFERENCES:
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patent: 5696630 (1997-12-01), Hayashi
patent: 6130777 (2000-10-01), Yamashita et al.
patent: 6178035 (2001-01-01), Eda et al.
patent: 6325880 (2001-12-01), Yamashita et al.
patent: 6900941 (2005-05-01), Kaminsky et al.
patent: 2003/0169499 (2003-09-01), Bourdelais et al.
patent: 2003/0169504 (2003-09-01), Kaminsky et al.
patent: 2003/0169512 (2003-09-01), Bourdelais et al.
patent: 2003/0169513 (2003-09-01), Kaminsky et al.
patent: 2003/0169514 (2003-09-01), Bourdelais et al.

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