Liquid-crystalline carbonic acid esters and liquid crystal compositions
申请人:Chisso Corporation
公开号:US04647398A1
公开(公告)日:1987-03-03
Novel chiral smectic ester compounds suitable for a display mode utilizing ferroelectric liquid crystals, and liquid crystal compositions containing the same are provided, which compounds are expressed by the formula ##STR1## wherein R represents an alkyl group of 1 to 18 carbon atoms; R* represents an optically active alkyl group of 4 to 18 carbon atoms; X represents either one of a single bond, --O-- ##STR2## A represents ##STR3## and m and n each is 1 or 2.
Liquid crystalline carbonic acid esters and liquid crystal compositions containing them
申请人:Chisso Corporation
公开号:EP0152217A2
公开(公告)日:1985-08-21
Novel chiral smectic ester compounds suitable for liquid crystal compositions are expressed by the formula
wherein R represents an alkyl group of 1 to 18 carbon atoms; R* represents an optically active alkyl group of 4 to 18 carbon atoms: X represents a single bond, -0- , -CO-O- , -0-CO- or -O-CO-O-- ; A represents -CO-0- or -0-CO- ; and m and n each is 1 or 2.