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    • 4. 发明公开
    • 액정 조성물 및 이를 포함하는 액정 표시 장치
    • 液晶组合物和包含其的液晶显示器
    • KR1020070113603A
    • 2007-11-29
    • KR1020060047071
    • 2006-05-25
    • 삼성디스플레이 주식회사
    • 손정호다케시타후사유키유재진윤용국김현욱김장현석민구
    • C09K19/08
    • A liquid crystal composition is provided to reduce line afterimage and maintain physical characteristics such as dielectric anisotropy, refractive anisotropy, and rotational viscosity by restricting a content of neutral compounds having an alkenyl group at the terminal group. A liquid crystal composition includes a first group comprising a fluorine-containing liquid crystal compound represented by the following formula I, and a second group comprising at least one of neutral liquid crystal compounds represented by the following formulae III, IV, and V, wherein at least one of W1 and W2 comprises a fluorine atom, and each of A and B comprises at least one selected from chain-like or ring-like alkyl groups and alkoxy groups. The neutral liquid crystal compounds represented by the formulae III, IV, and IV comprise, as terminal groups, R1 to R6 which are one of alkyl groups, alkoxy groups, and alkenyl groups having 1-12 carbon atoms. In the second group, when the neutral liquid crystal compound without having an alkenyl group at the terminal group is expressed as a first sub-group and the neutral liquid crystal compound having an alkenyl group at the terminal group is expressed as a second sub-group, the second sub-group is contained in an amount of 7wt% or less based on the total content of the first group and the second group.
    • 提供液晶组合物以通过限制端基上具有烯基的中性化合物的含量来减少线像像并且保持诸如介电各向异性,折射各向异性和旋转粘度的物理特性。 液晶组合物包括由下式I表示的含氟液晶化合物的第一组和包含由下式III,IV和V表示的中性液晶化合物中的至少一种的第二组,其中在 W1和W2中的至少一个包含氟原子,A和B中的每一个包含选自链状或环状烷基和烷氧基中的至少一种。 由式III,IV和IV表示的中性液晶化合物包含作为端基的作为具有1-12个碳原子的烷基,烷氧基和烯基之一的R 1至R 6。 在第二组中,当末端具有烯基的中性液晶化合物表示为第一亚组时,末端具有烯基的中性液晶化合物表示为第二亚组 ,基于第一组和第二组的总含量,第二子组的含量为7重量%以下。
    • 10. 发明公开
    • 액정 조성물 및 이를 포함하는 액정 표시 장치
    • 液晶组合物和包含其的液晶显示器
    • KR1020080053640A
    • 2008-06-16
    • KR1020060125423
    • 2006-12-11
    • 삼성디스플레이 주식회사
    • 손정호다케시타후사유키유재진오근찬윤용국김현욱김장현석민구조식영
    • C09K19/06C09K19/32C09K19/42
    • C09K19/3402C09K19/42C09K2019/3004C09K2019/3009C09K2019/301C09K2019/3425Y10T428/10Y10T428/1036
    • A liquid crystal composition is provided to prevent a drop in the voltage maintenance of a liquid crystal display device caused by ion impurities in a liquid crystal layer, and to solve the problem of residual images. A liquid crystal composition comprises: a first class comprising a fluorine-containing liquid crystal compound represented by the following formula (I); and a second class comprising at least one neutral liquid crystal compound represented by the following formula of (III), (IV) and (V). In formula (I), n is 1, 2 or 3; and each of W1 and W2 is any one selected from -F, -CF3, -CF2H, -OCF3 and -OCF2H. Each of the liquid crystal compounds represented by the formulae (I), (III), (IV) and (V) has R1, R2 and R5-R10 as end groups, wherein each of R1, R2 and R5-R10 is H, C1-C12 alkyl, alkoxy or alkenyl. When the first class liquid crystal compound in which n is 1, is taken as a first sub-class and the first class liquid crystal compound in which n is 2 or 3, is taken as a second sub-class, the first cub-class is present in an amount of 6 wt% or less based on the combined weight of the first sub-class and the second sub-class.
    • 提供液晶组合物以防止由液晶层中的离子杂质引起的液晶显示装置的电压维持降低,并解决残留图像的问题。 液晶组合物包含:第一类,其包含由下式(I)表示的含氟液晶化合物; 和包含由下式(III),(IV)和(V)表示的至少一种中性液晶化合物的第二类。 在式(I)中,n为1,2或3; W1和W2各自为-F,-CF3,-CF2H,-OCF3和-OCF2H中的任意一种。 由式(I),(III),(IV)和(V)表示的液晶化合物各自具有R1,R2和R5-R10作为端基,其中R1,R2和R5-R10各自为H, C1-C12烷基,烷氧基或烯基。 当n为1的一类液晶化合物作为第一亚类,其中n为2或3的第一类液晶化合物作为第二亚类时,第一类别 以基于第一子类和第二子类的组合重量的6重量%以下的量存在。