Liquid crystal devices

Details Liquid crystal devices Liquid crystal devices

1988-07-13

1990-10-23

Maples, John S.

Compositions

Liquid crystal compositions

Containing nonchiral aligning agents

350330, 350347V, 428910, 428521, C09K 1956, G02F 113

Patent

active

049650173

ABSTRACT:
An alignment layer for a liquid crystal display consists at least substantially of a polyphenylene polymer wherein at least 80% of the said polyphenylene polymer is composed of aromatic phenylene rings. The alignment layer is capable of providing a homogeneous alignment of liquid crystal molecules disposed adjacent thereto with a high tilt bias angle.

REFERENCES:
Nehring et al, High-Pretilt Polyphenylene Layers for Liquid-Crystal Displays, Appl. Phys. Lett 51 (16), Oct. 19, 1987, pp. 1283-1284.
Patent Abstracts of Japan, P Field, vol. 12, No. 192, Jun. 4, 1988, p. 41, P 712, #62-297818.

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