Liquid crystal element

Details Liquid crystal element Liquid crystal element

1997-06-10

2000-09-26

Kim, Robert H.

Liquid crystal cells, elements and systems

Particular structure

Having significant detail of cell structure only

349185, 349 86, G02F 11335

Patent

active

061249084

ABSTRACT:
A liquid crystal element has a pair of substrates at least one of which is transparent, and a composite layer, which is retained between said pair of substrates, comprising a transparent resin matrix and a liquid crystal material having cholesteric characteristics.
(1) In the liquid crystal element, a contact angle between the liquid crystal material and the resin used in the transparent resin matrix is 30.degree. or less.
(2) In the liquid crystal element, said liquid crystal material reflects a light component having a wavelength in a range from 1.0 .mu.m to 1.5 .mu.m in a planar state.
(3) In the liquid crystal element, said transparent resin matrix is formed by polymerizing of a mixture of compound having the following formula (1) and multi-functional acrylate derivative, ##STR1## wherein n is a natural number from 1 to 2.

REFERENCES:
patent: 5058997 (1991-10-01), Dickerson et al.
patent: 5437811 (1995-08-01), Doane et al.

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