Liquid crystal device employing polymer network on one substrate

Details Liquid crystal device employing polymer network on one substrate Liquid crystal device employing polymer network on one substrate

Filed on

1991-08-16

Date issued

1994-07-05

Examiner

Sikes, William L.

Patent Class

Optical: systems and elements

SubClass

Holographic system or element

SubSubClass

Using a hologram as an optical element

Other Related Categories

359 78, 359 51, 359 77, G02F 11337, G02F 113

Type

Patent

Status

active

Patent number

053272714

Description

ABSTRACT:
A liquid crystal device comprising a pair of substrates each having an electrode layer at least one of which is transparent, one or both of said substrates having formed thereon a network layer having a three-dimensional network structure which comprises a transparent solid substance, or one of said substrates having formed thereon said network layer with the other substrate having formed thereon an alignment layer, said pair of substrates being assembled in such a manner that said network layer of one substrate faces to the other network layer or the other substrate with or without an alignment layer in contact or with a small gap therebetween, and a liquid crystal material filled between said pair of substrates.

REFERENCES:
patent: 4411495 (1983-10-01), Beni et al.
patent: 4435047 (1984-03-01), Fergason
patent: 4642532 (1986-11-01), Aftergut et al.
patent: 4664480 (1987-05-01), Geary et al.
patent: 4842375 (1989-06-01), Seeboth et al.
patent: 4879059 (1989-11-01), Hanyu et al.
patent: 4925708 (1990-05-01), Waters et al.
patent: 4937013 (1990-06-01), Buckley et al.
patent: 5066105 (1991-11-01), Yoshimoto et al.
patent: 5088807 (1992-02-01), Waters et al.
patent: 5089904 (1992-02-01), Fergason

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