ACETYLENE DERIVATIVES, AND LIQUID CRYSTAL COMPOSITION AND LIQUID CRYSTAL DISPLAY DEVICE EACH COMPRISING THE SAME
申请人:CHISSO CORPORATION
公开号:EP0968988A1
公开(公告)日:2000-01-05
The present invention provides new liquid crystalline compounds having a high optical anisotropy value and excellent compatibility with the other liquid crystals, and liquid crystal composition comprising the compounds.
The liquid crystalline compounds are represented by the general formula (1):
wherein H1, H2, H3, H4, H5, H6, H7, H8, H9, H10, H11 and H12, each independently, represent H, F or Cl, at least one of H1, H2, H3, H4, H9, H10, H11 and H12 is F or Cl, R1 represents an alkyl group of C1-20, in which methylene groups may be replaced by -O-, -S-, -Si-, -CH=CH- or -C≡C-, any hydrogen atoms may be replaced by a halogen atom, and Y1 is replaced by R1, F, Cl, Br, I or a cyano group.
本发明提供了具有高光学各向异性值且与其他液晶具有良好兼容性的新型液晶化合物,以及包含该化合物的液晶组合物。
液晶化合物由通式(1)表示:
其中 H1、H2、H3、H4、H5、H6、H7、H8、H9、H10、H11 和 H12 各自独立地代表 H、F 或 Cl,H1、H2、H3、H4、H9、H10、H11 和 H12 中至少有一个是 F 或 Cl,R1 代表 C1-20 的烷基、其中亚甲基可被-O-、-S-、-Si-、-CH=CH-或-C≡C-取代,任何氢原子可被卤素原子取代,Y1 被 R1、F、Cl、Br、I 或氰基取代。