Liquid crystalline carbonic acid esters and liquid crystal compo

Details Liquid crystalline carbonic acid esters and liquid crystal compo Liquid crystalline carbonic acid esters and liquid crystal compo

1984-08-28

1986-05-20

Gron, Teddy S.

Compositions

Liquid crystal compositions

Containing nonsteryl liquid crystalline compound of...

2522995, 25229967, 558273, 350350R, 350350S, C09K 334, C09K 1920, G02F 113, C07C 6996, C07C 6802

Patent

active

045899967

ABSTRACT:
A novel chiral liquid crystalline compound having an optically active group and a liquid crystal composition containing the same are provided, which compound is expressed by the general formula ##STR1## wherein R is a linear chain or branched alkyl group of 1.about.18 C; l is 0 or 1; X is COO or --O-- in the case of l=0 and COO, --O-- or --CH.sub.2 -- in the case of l=1; and * represents optically active carbon, and which compound, when used as a display element, brings about a higher response velocity.

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Gray, G. W. et al., Mol. Cryst. Liq. Cryst. vol. 37, pp. 157-188, (1976).
Gray, G. W. et al., Mol. Cryst. Liq. Cryst., vol. 37, pp. 189-211 (1976).
Klanderman, B. H. et al., JACS, vol. 97, No. 6, pp. 1585-1586, (1975).
Gray, G. W. et al., Mol. Cryst. Liq. Cryst., vol. 34, (Letters), pp. 211-217 (1977).
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