申请人:Wang Chun-Chih
公开号:US20120264984A1
公开(公告)日:2012-10-18
A liquid crystal compound with high optical anisotropy is provided. The liquid crystal compound is represented by formula (I),
wherein each of R1 and R2 represents an alkyl group having 1 to 10 carbon atoms or an alkenyl group having 2 to 10 carbon atoms; the alkyl group and the alkenyl group are unsubstituted or substituted by —O—, —CO—, or —COO— groups; each of X
1
, X
2
, X
3
, and X
4
represents hydrogen or fluorine, and at least one of X
1
, X
2
, X
3
, and X
4
is fluorine; m is 1, 2, or 3; n is 0, 1, or 2, and 2≦m+n≦3.
提供一种具有高光学各向异性的液晶化合物。该液晶化合物由式(I)表示,其中R1和R2分别表示具有1至10个碳原子的烷基基团或具有2至10个碳原子的烯基基团;该烷基基团和烯基基团未被取代或被取代为—O—、—CO—或—COO—基团;X1、X2、X3和X4中的每一个表示氢或氟,且X1、X2、X3和X4中至少有一个是氟;m为1、2或3;n为0、1或2,且2≦m+n≦3。