Screen for projection display in which the light is...

Details Screen for projection display in which the light is... Screen for projection display in which the light is...

2006-06-13

2006-06-13

Perkey, W. B. (Department: 2851)

Optical: systems and elements

Projection screen

Unitary sheet comprising plural refracting areas

C359S443000, C359S460000

Reexamination Certificate

active

07061677

ABSTRACT:
A screen for a projection display is provided. The screen includes a Fresnel lens sheet which converges light emitted from a light source, and a lenticular lens sheet which disperses in a horizontal direction the light transmitted by the Fresnel lens sheet. The Fresnel lens sheet includes a first Fresnel lens on one surface and a second Fresnel lens on an opposite surface.

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patent: 2000-180967 (2000-06-01), None
patent: 2001-010330 (2001-02-01), None

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