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US 5,328,639 AGranted
Fluoroalkane derivative, its composition and liquid crystal device using the same
AssigneeCanon Kabushiki Kaisha
InventorsHiroyuki Nohira, Masanao Kamei, Shinichi Nakamura, Kazuharu Katagiri, Masahiro Terada, Masataka Yamashita, Yoko Yamada, Kenji Shinjo, Takashi Iwaki, Chieko Hioki, Akio Yoshida, Toshiharu Uchimi
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Abstract
A liquid crystal composition, comprising: at least one optically active mesomorphic compound having an asymmetric carbon atom to which a fluorine atom is directly bonded.
Claims9
A fluoroalkane derivative represented by the formula (I):
- ##STR314## wherein R.sub.10 denotes an alkyl group having 1-16 carbon atoms;
- C* denotes an optically active asymmetric carbon atom;
- R.sub.11 denotes an alkyl group having 1-16 carbon atoms;
- Z denotes --O-- or --S--;
- X.sub.10 denotes a single bond, --O--, or ##STR315## A.sub.10 and A.sub.11 denote a phenylene group ##STR316## a cyclohexylene group ##STR317## or a pyrimidinyulene group ##STR318## n2 is 1 or 2;
- l2 and m2 are 0 or a positive integer satisfying the relation l2+m2=1 or 2.
3 more elements
Dependencies are inferred from the claim text.