Chiral liquid crystal materials as dopant for ferroelectric liqu

Details Chiral liquid crystal materials as dopant for ferroelectric liqu Chiral liquid crystal materials as dopant for ferroelectric liqu

1994-06-30

1995-10-31

Wu, Shean

Compositions

Liquid crystal compositions

Containing nonsteryl liquid crystalline compound of...

25229964, 25229966, 25229967, 560 59, 560 61, 560 76, C09K 1912, C09K 1920, C07C 6976

Patent

active

054626951

ABSTRACT:
Chiral liquid crystal compounds for use as dopants to be mixed with a liquid crystal host material, which may or may not be composed of chiral molecules, to form ferroelectric liquid crystal compositions. The chiral liquid crystal compounds are represented by the following formula: ##STR1## wherein: R.sub.1 is a C.sub.2 to C.sub.10 alkyl group, R.sub.2 is a C.sub.2 to C.sub.8 alkyl group;

REFERENCES:
patent: 4923633 (1990-05-01), Gray et al.
patent: 5130048 (1992-07-01), Wand et al.
patent: 5356564 (1994-10-01), Tsai et al.
patent: 5360575 (1994-11-01), Tsai et al.
patent: 5366656 (1994-11-01), Tsai et al.
patent: 5366659 (1994-11-01), Tsai et al.

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