Liquid crystal device

Details Liquid crystal device Liquid crystal device

1993-12-14

1996-05-21

Thomas, Alexander S.

Stock material or miscellaneous articles

Liquid crystal optical display having layer of specified...

With charge transferring layer of specified composition

359 75, G02F 11337

Patent

active

055187820

ABSTRACT:
A liquid crystal device is constituted by disposing a chiral smectic liquid crystal between a pair of substrates. At least one of the pair of substrates is provided with an alignment film of a nitrogen-containing polymer, such as a polyimide, a polyamide or a polyamideimide, having a main chain including a structural unit represented by the following formula (I): ##STR1## wherein R.sub.1 denotes a divalent aliphatic or aromatic group, and R.sub.2 and R.sub.3 independently denote a monovalent aliphatic or aromatic group, and X denotes a positive integer.

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