System for controlling unpolarized electromagnetic radiation

Details System for controlling unpolarized electromagnetic radiation System for controlling unpolarized electromagnetic radiation

2005-03-29

2005-03-29

Chowdhury, Tarifur R. (Department: 2871)

Liquid crystal cells, elements and systems

Particular structure

Having significant detail of cell structure only

C349S088000, C349S115000, C349S176000

Reexamination Certificate

active

06873381

ABSTRACT:
A light controlling film is described comprising a polymerized polymer network of a crosslinked high molecular weight polymeric material and a low molecular weight cholesteric liquid crystal (CLC) material, wherein the high molecular weight and the low molecular weight form a material having cholesteric liquid crystal (CLC) order such that the film is a reflective circular polarizer whose bandwidth is controllable by an electric field impressed in the film.

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patent: 6133980 (2000-10-01), Faris

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