Phenylacetylene compound and liquid crystal composition comprisi

Details Phenylacetylene compound and liquid crystal composition comprisi Phenylacetylene compound and liquid crystal composition comprisi

1999-02-25

2000-11-21

Kelly, C. H.

Compositions

Liquid crystal compositions

Containing nonsteryl liquid crystalline compound of...

25229901, 25229963, 25229961, 558425, C09K 1906, C09K 1952, C09K 1934, C07C25500

Patent

active

061498378

ABSTRACT:
Provide is a novel phenylacetylene compound (1) which has a large anisotropy of refractive index, tends to be mixed with other liquid crystals, and is more advantageous in stability to light, a liquid crystal composition and a liquid crystal element usable for an optical shutter, a display element, ##STR1## A.sup.1 to A.sup.12 each independently represent a hydrogen atom, a fluorine atom, or an alkyl group having 1 to 10 carbon atoms, and at least one is an alkyl group.

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