Liquid crystalline compound having negative dielectric anisotrop

Details Liquid crystalline compound having negative dielectric anisotrop Liquid crystalline compound having negative dielectric anisotrop

1991-11-18

1993-05-25

Stoll, Robert L.

Compositions

Liquid crystal compositions

Containing nonsteryl liquid crystalline compound of...

544224, C09K 1934, C07D237008

Patent

active

052137082

ABSTRACT:
The present invention provides a liquid crystalline compound having a large negative dielectric anisotropy value, a low viscosity and a large birefringence value and a liquid crystal composition suitable as an element constituting light switching elements. The liquid crystalline compound is expressed by the formula ##STR1## wherein R.sup.1 and R.sup.2 each independently represent an alkyl group or an alkoxy group each of 1 to 15 carbon atoms and Y.sub.1 and Y.sup.2 each independently represent H or F.

REFERENCES:
patent: 4818429 (1989-04-01), Saito et al.
patent: 4834904 (1989-05-01), Krause et al.
patent: 4943384 (1990-07-01), Sucrow et al.
patent: 5055221 (1991-10-01), Scheuble et al.

Affiliated with

Also associated with

Rating

Liquid crystalline compound having negative dielectric anisotrop does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Liquid crystalline compound having negative dielectric anisotrop, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Liquid crystalline compound having negative dielectric anisotrop will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-895379