Benzene derivatives, and liquid-crystalline medium

Details Benzene derivatives, and liquid-crystalline medium Benzene derivatives, and liquid-crystalline medium

1997-10-24

1999-08-03

Kelly, C. H.

Compositions

Liquid crystal compositions

Containing nonsteryl liquid crystalline compound of...

25229963, 25229961, C09K 1912, C09K 1930, C09K 1934

Patent

active

059321385

ABSTRACT:
The invention relates to a liquid-crystalline medium based on a mixture of polar compounds of positive dielectric anisotropy, characterized in that it contains one or more compounds of the general formula I ##STR1## in which R, A.sup.1, A.sup.2, Z.sup.1, Z.sup.2, X, L and m are as defined in Claim 1.

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