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    • 9. 发明公开
    • 액정배향용 조성물, 이로부터 제조된 액정배향막 및 이를포함하는 액정디스플레이
    • 用于液晶结晶的组合物,由其制造的液晶标记膜和包含其的液晶显示器
    • KR1020090068098A
    • 2009-06-25
    • KR1020080026552
    • 2008-03-21
    • 주식회사 엘지화학
    • 조정호김경준정혜원권혁준이윤정고완희
    • C09K19/56
    • A composition for liquid crystal alignment, liquid crystal alignment layer, and liquid crystal display are provided to have excellent voltage holding ratio and practice good pretilt angle. A composition for liquid crystal alignment comprises a polyamic acid containing a repeating unit of the chemical formula 1 and a polyimide having a repeating unit of the chemical formula 2. In the chemical formula 1, A is tetravalent organic radical; B is bivalent organic radical; and n is integer of 5-200. In the chemical formula 2, D is tetravalent organic radical; E is bivalent organic radical, and contains a radical of the chemical formula 3; n is integer of 5-200. In the chemical formula 3, R1 and R2 is selected from alkyl of 6-20 carbon atoms, alkyl which is substituted with fluorine, cycloalkyl of 4-12 carbon atoms, cycloalkyl which is substituted with fluorine.
    • 提供液晶取向用组合物,液晶取向膜和液晶显示器,具有优异的电压保持率和实践良好的预倾角。 用于液晶取向的组合物包括含有化学式1的重复单元的聚酰胺酸和具有化学式2的重复单元的聚酰亚胺。在化学式1中,A是四价有机基团; B是二价有机基团; n为5〜200的整数。 在化学式2中,D是四价有机基团; E为二价有机基团,含有化学式3的基团; n为5-200的整数。 在化学式3中,R 1和R 2选自6-20个碳原子的烷基,被氟取代的烷基,4-12个碳原子的环烷基,被氟取代的环烷基。