申请人:Mitsubishi Gas Chemical Co., Inc.
公开号:US05364560A1
公开(公告)日:1994-11-15
An antiferroelectric liquid crystal compound which is a compound represented by ##STR1## wherein R denotes a linear aliphatic alkyl group having 6 to 14 carbon atoms; A denotes a single bond or an oxygen atom; X and Y independently denote a hydrogen atom or a fluorine atom but they are not hydrogen atoms at the same time; h and i are independently 1 or 2; m is an integer of 3 to 10; Z denotes CH.sub.3, C.sub.2 H.sub.5 or CF.sub.3 ; k is 0 or an integer of 5 to 8; l is 0 or 1; n is an integer of 1 to 6; W denotes CH.sub.3 or CF.sub.3 ; when W is CH.sub.3, p and q are both 0 and r is 8; when W is CF.sub.3, p is 5 to 8, q is 1 and r is 1 to 4; and C* denotes an asymmetric carbon atom, and a liquid crystal display device using same.
一种反铁电液晶化合物,该化合物由##STR1##表示,其中R表示具有6至14个碳原子的直链脂肪族烷基基团;A表示单键或氧原子;X和Y分别表示氢原子或氟原子,但它们不同时为氢原子;h和i独立地为1或2;m是3至10的整数;Z表示CH.sub.3、C.sub.2 H.sub.5或CF.sub.3;k为0或5至8的整数;l为0或1;n为1至6的整数;W表示CH.sub.3或CF.sub.3;当W为CH.sub.3时,p和q均为0,r为8;当W为CF.sub.3时,p为5至8,q为1,r为1至4;C*表示一个不对称碳原子,以及使用该化合物的液晶显示器件。