Optically active compound, liquid crystal composition, liquid crystal device, display apparatus and display method
申请人:CANON KABUSHIKI KAISHA
公开号:EP0499221A1
公开(公告)日:1992-08-19
An optically active compound represented by the following formula (I):
wherein R₁ denotes an alkyl or alkoxy group having 1 - 18 carbon atoms; R₂ denotes an alkyl group having 1 - 12 carbon atoms; A denotes
X denotes
or -OCH₂-; and C* denotes an optically active asymmetric carbon atom. The optically active compound, when included as a component, provides a ferroelectric liquid crystal composition or device showing an improved electro-field response characteristic.
Optically active compound, liquid crystal composition, liquid crystal
申请人:Canon Kabushiki Kaisha
公开号:US05281362A1
公开(公告)日:1994-01-25
An optically active compound represented by the following formula (I): ##STR1## wherein R.sub.1 denotes an alkyl or alkoxy group having 1-18 carbon atoms; R.sub.2 denotes an alkyl group having 1-12 carbon atoms; A denotes ##STR2## X denotes and C* denotes an optically active asymmetric carbon atom. The optically active compound, when included as a component, provides a ferroelectric liquid crystal composition or device showing an improved electro-field response characteristic.