Ferroelectric liquid crystal device having dual laminated alignm

Details Ferroelectric liquid crystal device having dual laminated alignm Ferroelectric liquid crystal device having dual laminated alignm

1987-04-03

1989-01-10

Miller, Stanley D.

350340, 350341, G02F 113

Patent

active

047969792

ABSTRACT:
A ferroelectric liquid crystal device comprises: a pair of substrates, and a ferroelectric liquid crystal layer disposed between the substrates. At least one substrate is provided with an alignment control layer. The alignment control layer comprises at least two laminated alignment films of mutually different materials. An alignment film disposed on the substrate side preferably has a property of orienting the polarization direction of ferroelectric liquid crystal molecules toward the liquid crystal layer or is a homogeneous orientation power. An alignment film disposed on the liquid crystal side preferably has a property of orienting the polarization direction toward the alignment control layer or has a homeotropic alignment power.

REFERENCES:
patent: 3966305 (1976-06-01), Young
patent: 4232946 (1980-11-01), Gharadjedaghi et al.
patent: 4563059 (1986-01-01), Clark et al.
patent: 4639089 (1987-01-01), Okada et al.

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