Class of dichroic dyes for use with liquid crystals

Details Class of dichroic dyes for use with liquid crystals Class of dichroic dyes for use with liquid crystals

1981-10-19

1983-08-30

Gron, Teddy S.

Compositions

Radioactive compositions

Nuclear reactor fuel

2522991, 260166, C09K 334, G02F 113, C09B 3130, C09B 3318, C09B 3550

Patent

active

044013698

ABSTRACT:
A cholesteric guest-host liquid crystal composition having a positive dielectric anisotropy and consisting of a positive nematic host component, an optically active cholesteric component, and a tetra-azo dichroic dye guest component having a dichroic ratio of at least 0.72. The tetra-azo dye is selected from the group consisting of ##STR1##

REFERENCES:
patent: 4122027 (1978-10-01), Cole, Jr. et al.
patent: 4128497 (1978-12-01), Cole, Jr. et al.
patent: 4137193 (1979-01-01), Osman et al.
patent: 4145114 (1979-03-01), Coates et al.
patent: 4273929 (1981-06-01), Boller et al.
patent: 4308161 (1981-12-01), Aftergut et al.
patent: 4308162 (1981-12-01), Cole, Jr. et al.
patent: 4308163 (1981-12-01), Aftergut et al.
patent: 4308164 (1981-12-01), Aftergut et al.
patent: 4350603 (1982-09-01), Aftergut et al.
patent: 4359398 (1982-11-01), Cole, Jr. et al.
Hubbard, R. L., "The Analysis of Liquid Crystal Mixtures", The Physics and Chemistry of Liquid Crystal Devices, Sprokel, G. J. Plenum Press, New York, pp. 331-344, (1980).
White, D. L. et al., J. Appl. Phys., vol. 45, No. 11, pp. 4718-4723, (11/11/74).
Cognard, J. et al., Mol. Cryst. Liq. Cryst., vol. 68, pp. 207-229, (1981).
Jones, F. et al., Mol. Cryst. Liq. Cryst., vol. 60, pp. 99-110, (1980).
Cox, R. J., Mol. Cryst. Liq. Cryst., vol. 55, pp. 1-32, (1979).
Bloom, A. et al., Mol. Cryst. Liq. Cryst., vol. 40, pp. 213-221, (1977).
Bloom, A. et al., Mol. Cryst. Liq. Cryst., vol. 41, (Letters), pp. 1-4, (1977).

Affiliated with

Also associated with

Rating

Class of dichroic dyes for use with liquid crystals does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Class of dichroic dyes for use with liquid crystals, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Class of dichroic dyes for use with liquid crystals will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-903762