Liquid crystal composition and liquid crystal display device
    4.
    发明授权
    Liquid crystal composition and liquid crystal display device 有权
    液晶组成和液晶显示装置

    公开(公告)号:US07563492B2

    公开(公告)日:2009-07-21

    申请号:US11598633

    申请日:2006-11-14

    IPC分类号: C09K19/34 C09K19/30 C09K19/12

    摘要: A liquid crystal composition having a nematic phase that includes three components, wherein the first component is at least one compound selected from the group of compounds represented by formula (1), the second component is at least one compound selected from the group of compounds represented by formulas (2-1) to (2-3), and the third component is at least one compound selected from the group of compounds represented by formula (3): wherein R1, R2 and R4 are each independently alkyl having 1 to 12 carbons or alkenyl having 2 to 12 carbons; R3 is fluorine, alkyl having 1 to 12 carbons or alkenyl having 2 to 12 carbons; R5 is fluorine, chlorine, alkyl having 1 to 12 carbons or alkenyl having 2 to 12 carbons; R6 is alkenyl having 2 to 12 carbons; Y1 is fluorine, chlorine or trifluoromethoxy; X1, X2, X3 and X4 are each independently hydrogen or fluorine; and one of X5 and X6 is fluorine, and the other is hydrogen.

    摘要翻译: 一种液晶组合物,其具有向列相,其包含三种成分,其中所述第一成分为选自式(1)所示的化合物的族群中的至少一种化合物,所述第二成分为选自所述化合物组中的至少一种化合物 由式(2-1)〜(2-3)表示的化合物,第三成分为选自式(3)所示的化合物中的至少一种化合物:式中,R 1,R 2和R 4各自独立地为具有1〜12的烷基 碳或碳数2〜12的烯基; R3是氟,具有1至12个碳的烷基或具有2至12个碳的烯基; R5是氟,氯,具有1至12个碳的烷基或具有2至12个碳的烯基; R6为碳数2〜12的烯基; Y1是氟,氯或三氟甲氧基; X1,X2,X3和X4各自独立地为氢或氟; X5和X6之一是氟,另一个是氢。

    Ester compounds, liquid crystal compositions and liquid crystal display devices
    6.
    发明授权
    Ester compounds, liquid crystal compositions and liquid crystal display devices 有权
    酯化合物,液晶组合物和液晶显示装置

    公开(公告)号:US06685995B1

    公开(公告)日:2004-02-03

    申请号:US09582920

    申请日:2000-07-07

    IPC分类号: C09K1930

    摘要: Liquid crystalline compounds suitable for driving at a low voltage and at a wide temperature range, and suitable for high speed response, liquid crystal compositions comprising the compound, and liquid crystal display devices comprising the liquid crystal composition. The crystalline compounds are ester compounds expressed by the general formula (1) wherein R1 represents e.g. a hydrogen atom; A1 to A5 each independently represent e.g. 1,4-cyclohexylene, 1,4-phenylene, 1-cyclohexene-1,4-diyl, 3-cyclohexene-1,4-diyl, 1-sila-1,4-cyclohexylene, or 4-sila-1,4-cyclohexylene; bonding groups Za to Zd each independently represent e.g. a single bond, —CH2—, —O—, —C≡C—, or an alkylene group or alkenylene group having 2 to 4 carbon; bonding group Ze represents e.g. a single bond, an alkylene group or alkenylene group having 1 to 10 carbon atoms; n1 to n3 are each independently 0 or 1, but n1≦n2≦n3; Y1 and Y2 each independently represent oxygen atom or sulfur atom; R2 represents e.g. a halogen atom, a straight chain or branched alkyl group having 1 to 20 carbon atoms, or straight chain or branched alkenyl group having 2 to 20 carbon atoms; provided that when A5 represents unsubstituted 1,4-phenylene, then Zd is a single bond, and A4 is not 1,4-phenylene; and each atom which constitutes this compound may be replaced by its isotope.

    摘要翻译: 适用于在低电压和宽温度范围内驱动并适合于高速响应的液晶化合物,包含该化合物的液晶组合物和包含该液晶组合物的液晶显示装置。 结晶化合物是由通式(1)表示的酯化合物,其中R1表示例如。 氢原子; A1至A5各自独立地表示例如。 1,4-亚环己基,1,4-亚苯基,1-环己烯-1,4-二基,3-环己烯-1,4-二基,1-硅基-1,4-亚环己基或4-硅基-1,4 环己烯 键合基Za至Zd各自独立地表示例如。 单键,-CH 2 - , - O - , - C = C-,或具有2〜4个碳的亚烷基或亚烯基; 键合基团Ze代表例如。 单键,碳原子数1〜10的亚烷基或亚链烯基; n1〜n3各自独立地为0或1,但n1 <= N2&LE; N3; Y1和Y2各自独立地表示氧原子或硫原子; R2表示例如 卤素原子,碳原子数1〜20的直链或支链烷基,碳原子数2〜20的直链或支链烯基; 条件是当A5表示未取代的1,4-亚苯基时,则Zd为单键,A4不为1,4-亚苯基; 并且构成该化合物的每个原子可以被其同位素代替。

    Difluoromethyl ether derivative and process for producing the same
    8.
    发明申请
    Difluoromethyl ether derivative and process for producing the same 有权
    二氟甲基醚衍生物及其制备方法

    公开(公告)号:US20020120168A1

    公开(公告)日:2002-08-29

    申请号:US09925608

    申请日:2001-08-10

    摘要: The present invention provides a difluoromethyl ether derivative which shows various suitable physical properties as a liquid crystal compound, a liquid crystal composition comprising the compound and a liquid crystal display element containing the composition, and also provides a simple and efficient process for producing the difluoromethyl ether derivative. According to the present invention, a process for producing a difluoromethyl ether derivative represented by Formula (1d): 1 wherein the variables are defined in the specification, is characterized by using an nullnull-difluorocyclohexylidene derivative represented by Formula (1a): 2 wherein R1, rings A1 and A2, Z1, Z2, k and l have the same meanings as defined in the specification, as a starting material. fluorine, a cyano group or an alkyl group having 1 to 10 carbon atoms; Z1, Z2, Z3 and Z4 each independently represent a single bond or an alkylene group having 1 to 4 carbon atoms, in which at least one nullCH2null may be substituted with nullOnull, nullSnull, nullCHnullCHnull or nullCnullCnull but nullOnull is not adjacent to another nullOnull, and in which any hydrogen may be substituted with fluorine; Y1, Y2, Y3 and Y4 each independently represent hydrogen, halogen, a cyano group or an alkyl group having 1 to 10 carbon atoms; and k, l, m and n each independently represent 0 or 1; is characterized by using an null,null-difluorocyclohexylidene derivative represented by Formula (1a): 3 wherein R1, rings A1 and A2, Z1, Z2, k and l have the same meanings as defined above; as a starting material.

    摘要翻译: 本发明提供一种二氟甲基醚衍生物,其显示出作为液晶化合物的各种合适的物理性质,包含该化合物的液晶组合物和含有该组合物的液晶显示元件,并且还提供了制备二氟甲基醚的简单有效的方法 衍生物。 根据本发明,由式(1d)表示的二氟甲基醚衍生物的制造方法,其特征在于,使用由式(1a)表示的αα-二氟亚环己基衍生物:其中,R1, A1和A2,Z1,Z2,k和l具有与说明书中定义的相同的含义作为起始材料。 氟,氰基或碳原子数1〜10的烷基。 Z 1,Z 2,Z 3和Z 4各自独立地表示单键或具有1至4个碳原子的亚烷基,其中至少一个-CH 2 - 可以被-O - , - S - , - CH = CH-或 -C = C-但-O-不与另一-O-相邻,并且其中任何氢可被氟取代; Y 1,Y 2,Y 3和Y 4各自独立地表示氢,卤素,氰基或碳原子数1〜10的烷基。 并且k,l,m和n各自独立地表示0或1; 其特征在于使用由式(1a)表示的α,α-二氟环己基衍生物:其中R1,环A1和A2,Z1,Z2,k和l具有与上述相同的含义; 作为起始材料。

    Liquid crystal compounds having a chiral fluorinated terminal portion
    9.
    发明授权
    Liquid crystal compounds having a chiral fluorinated terminal portion 失效
    具有手性氟化末端部分的液晶化合物

    公开(公告)号:US06309561B1

    公开(公告)日:2001-10-30

    申请号:US08998400

    申请日:1997-12-24

    IPC分类号: C09K1934

    摘要: Fluorine-containing, chiral liquid crystal compounds comprise (a) a chiral fluorochemical terminal portion comprising (i) at least one chiral center, which can optionally be heteroatom-substituted; (ii) a terminal fluoroalkyl, fluoroether, perfluoroalkyl, or perfluoroether group; and (iii) an alkylene or fluoroalkylene group optionally containing at least one catenary ether oxygen atom; (b) a chiral or achiral terminal portion consisting of a hydrocarbon or hydrocarbon ether group, and, when chiral, comprising at least one chiral center, which can optionally be heteroatom-substituted; and (c) a central core connecting the terminal portions; the alkylene or fluoroalkylene group of the chiral fluorochemical terminal portion having at least 3 in-chain atoms and being located between the chiral center of the chiral fluorochemical terminal portion and the central core. The compounds have smectic mesophases or latent smectic mesophases and are useful, for example, in liquid crystal display devices.

    摘要翻译: 含氟手性液晶化合物包含(a)手性含氟末端部分,其包含(i)至少一个可任选被杂原子取代的手性中心; (ii)末端氟代烷基,氟代醚,全氟烷基或全氟醚基团; 和(iii)任选地含有至少一个链状醚氧原子的亚烷基或氟亚烷基; (b)由烃或烃醚基组成的手性或非手性末端部分,以及当手性包含至少一个手性中心时,该手性中心可任选被杂原子取代; 和(c)连接端子部分的中心芯部; 手性含氟末端部分的亚烷基或氟亚烷基具有至少3个链内原子并且位于手性含氟末端部分的手性中心和中心核心之间。 这些化合物具有近晶中间相或潜在的近晶中间相,并且可用于例如液晶显示装置。