Lens sheet, transmission type screen, and rear projection...

Details Lens sheet, transmission type screen, and rear projection... Lens sheet, transmission type screen, and rear projection...

2008-05-20

2008-05-20

Mahoney, Christopher (Department: 2862)

Optical: systems and elements

Projection screen

Unitary sheet comprising plural refracting areas

C359S460000, C359S620000

Reexamination Certificate

active

07375883

ABSTRACT:
A lens sheet, transmission screen, and a rear projection display are provided. The lens sheet includes fly-eye lens elements periodically arranged on one side of a transparent base, wherein the lens elements are composed of a UV-curing type resin, and the storage elastic modulus at a reference temperature of 25° C. and a frequency of 1031 6Hz, in a master curve obtained from measurement of dynamic viscoelasticity of the resin, ranges from 1×107Pa to 1×109Pa.

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patent: 2005-503578 (2005-02-01), None

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