Chiral liquid crystal compounds having a fluorinated terminal po

Details Chiral liquid crystal compounds having a fluorinated terminal po Chiral liquid crystal compounds having a fluorinated terminal po

1998-11-20

2000-10-31

Wu, Shean C.

Stock material or miscellaneous articles

Liquid crystal optical display having layer of specified...

25229961, 25229901, 349174, 349171, 349184, 544303, C09K 1952, C09K 1934, C07D23902, G02F 113

Patent

active

061399248

ABSTRACT:
Novel liquid crystal compounds are provided which exhibit less temperature dependent switching properties, for the reliable and consistent operation of liquid crystal devices. The liquid crystal compounds comprise (a) an achiral fluorochemical terminal portion that comprises a terminal fluoroalkyl, fluoroether, perfluoroalkyl, or perfluoroether group; a chiral terminal portion comprising a saturated or unsaturated chiral hydrocarbon or chiral hydrocarbon ether group comprising a chiral center; and a central core connecting the terminal portions; said chiral terminal portion having at least three in-chain atoms (an "extended group") between said chiral center of the chiral terminal portion and said central core.

REFERENCES:
patent: 2519983 (1950-08-01), Simons
patent: 4367924 (1983-01-01), Clark et al.
patent: 4886619 (1989-12-01), Janulis
patent: 5082587 (1992-01-01), Janulis
patent: 5254707 (1993-10-01), Strickler et al.
patent: 5262082 (1993-11-01), Janulis et al.
patent: 5262388 (1993-11-01), Munro et al.
patent: 5362919 (1994-11-01), Costello et al.
patent: 5377033 (1994-12-01), Radcliffe
patent: 5399291 (1995-03-01), Janulis et al.
patent: 5399701 (1995-03-01), Janulis
patent: 5417883 (1995-05-01), Epstein et al.
patent: 5437812 (1995-08-01), Janulis et al.
patent: 5474705 (1995-12-01), Janulis et al.
patent: 5482650 (1996-01-01), Janulis et al.
patent: 5631752 (1997-05-01), Tanaka
patent: 5641427 (1997-06-01), Shinjo et al.
patent: 5658491 (1997-08-01), Kistner et al.
patent: 5702637 (1997-12-01), Johnson et al.
patent: 5855812 (1999-01-01), Radcliffe et al.
patent: 5928562 (1999-07-01), Kistner et al.
patent: 5972241 (1999-10-01), Johnson et al.
patent: 6030547 (2000-02-01), Hasegawa et al.
patent: 6057007 (2000-05-01), Amano et al.
Chandani et al., Japan J. Of Appl. Physics 27(5), pp. L-729-732, 1988.
Clark et al., Appl Phys. Lett. 36, p. 899, 1980.
Frick, Synthese, vol. 7, pp. 621-623, 1992.
Meyer et al., J. Physique 36, pp. 1-69, 1975.
Miyasato et al., Jap. J. Appl. Phys. 22, pp. 661, 1983.
Nohira et al., Mol. Cryst. Liq. Cryst., 180B, pp. 379, 1990.
P.J. Collings et al., "Introduction of Liquid Crystals Chemicstry & Physics," Taylor & Francis Ltd., pp. 271-285, 1997.
P.J. Collings, "Liquid Crystals: Nature's Delicate Phase of Matter," Princeton University Press, pp. 100-103, 1990.
Zaschke et al., "Synthese neidrigschmelzender Kristallin-Flussiger Heterocyclen; 5-n-Alkyl-2-[4-n-alkanoyloxy-phenyl]pyrimidine," Z.Chem. 15, pp. 441-443, 1975.

Affiliated with

Also associated with

Rating

Chiral liquid crystal compounds having a fluorinated terminal po does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Chiral liquid crystal compounds having a fluorinated terminal po, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Chiral liquid crystal compounds having a fluorinated terminal po will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-2048523