Fluorinated liquid crystals

Details Fluorinated liquid crystals Fluorinated liquid crystals

1992-02-24

1994-03-29

Stoll, Robert L.

Compositions

Liquid crystal compositions

Containing nonsteryl liquid crystalline compound of...

25229966, 568631, 568647, 570144, C09K 1930, C09K 1912, C07C 4100, C07C 2200

Patent

active

052981886

ABSTRACT:
The disclosure relates to fluorinated chiral liquid crystals that incorporate a cyclohexyl grouping in their structure. They can be used as dopants and lead to mixtures of ferroelectric liquid crystals that have an application in display systems. They meet the following chemical formula. ##STR1## with 1.ltoreq.n.ltoreq.14 if X=CH.sub.2 Y=--CH.sub.2 -- with R=CmH.sub.2m+1 and 5.ltoreq.m.ltoreq.16 ##STR2##

REFERENCES:
patent: 4798680 (1989-01-01), Nohira et al.
patent: 4867903 (1989-09-01), Nohira et al.
patent: 4873018 (1989-10-01), Nohira et al.
patent: 4917821 (1990-04-01), Mori et al.
patent: 5051506 (1991-09-01), Wand et al.
patent: 5139697 (1992-08-01), Togano et al.

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