Liquid crystal compound
AssigneeShowa Shell Sekiyu K.K.
InventorsYoshiichi Suzuki, Noriko Yamakawa, Yoshihiko Aihara, Hiroyuki Mogamiya, Toru Ooide, Tadaaki Isozaki, Yuvra Negi, Shigenori Sakuma
Life of this patent
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Abstract
Liquid crystal compound of the formula ##STR1## wherein R.sub.1 and R.sub.2 each is a C.sub.1-18 alkyl group or an aralkyl group, R' is a haloalkyl group, X is --0--, --CO--, --COO-- or direct bond, Y is --COO--, --OCO-- or --CH.sub.2 O--, (A) and (B) each is ##STR2## and p and l each is zero or one.
Claims3
Liquid crystal compound having the formula (I)L ##STR136## wherein R.sub.1 is a C.sub.8-18 alkyl group and R.sub.2 is a C.sub.6-16 alkyl group, which has S.sup.* (3) phase showing tristable states.
Liquid crystal compound having the formula (XII):
- ##STR137## wherein R.sub.1 is a C.sub.8-18 alkyl group and R.sub.2 is a C.sub.6-16 alkyl group, which has S.sup.* (3) phase showing tristable states.
Dependencies are inferred from the claim text.