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    Ferroelectric liquid crystal composition
    7.
    发明公开
    Ferroelectric liquid crystal composition 失效
    铁电液晶组成

    公开(公告)号：EP0453309A3

    公开(公告)日：1992-05-06

    申请号：EP91303543.2

    申请日：1991-04-19

    申请人： Chisso Corporation

    发明人： Katsuyuki, Murashiro ,  Kikuchi, Makoto ,  Terashima, Kanetsugu

    IPC分类号： C09K19/46

    CPC分类号： C09K19/46

    摘要： Ferroelectric liquid crystal composition having a negative dielectric anisotropy and comprising 85% by weight or more of three components A, B, and C. Component A being composed of one or more compounds of the formula

    component B being composed of one or more compounds of the formula

    and component C being composed of one or more compounds of the formulae

    and

    in which R¹ to R¹⁰ are the same or different and each is a straight-chain alkyl or alkoxy group each of ℓ, m, n
    and k is 0 or 1, and ℓ + m is 1 or 2: each of
    Br or CN, and * indicates an asymmetric carbon atom.

    摘要翻译： 具有负介电各向异性并且包含85重量％或更多三种组分A，B和C的铁电液晶组合物。组分A由一种或多种式组分B的化合物组成，其由一种或多种 配方和组分C由一种或多种下式化合物组成，其中R 1至R 16相同或不同，各自为直链烷基或烷氧基，每个l，m，n和k为0或1， 并且l + m是1或2：Br或CN各自，并且*表示不对称碳原子。

    Ferroelectric liquid crystal composition
    8.
    发明公开
    Ferroelectric liquid crystal composition 失效
    FerroelektrischeFlüssigkristallzusammensetzung。

    公开(公告)号：EP0453309A2

    公开(公告)日：1991-10-23

    申请号：EP91303543.2

    申请日：1991-04-19

    申请人： Chisso Corporation

    发明人： Katsuyuki, Murashiro ,  Kikuchi, Makoto ,  Terashima, Kanetsugu

    IPC分类号： C09K19/46

    CPC分类号： C09K19/46

    摘要： Ferroelectric liquid crystal composition having a negative dielectric anisotropy and comprising 85% by weight or more of three components A, B, and C. Component A being composed of one or more compounds of the formula

    component B being composed of one or more compounds of the formula

    and component C being composed of one or more compounds of the formulae

    and

    in which R¹ to R¹⁰ are the same or different and each is a straight-chain alkyl or alkoxy group each of ℓ, m, n
    and k is 0 or 1, and ℓ + m is 1 or 2: each of

    Br or CN, and * indicates an asymmetric carbon atom.

    摘要翻译： 具有负介电各向异性并且包含85重量％或更多的三种组分A，B和C的铁电液晶组合物。组分A由一种或多种式CHEM>组分B的化合物组成，其由一种或多种 式（CHEM）的化合物和由一种或多种式CHEM> CHEM和CHEM的化合物组成的化合物，其中R 1至R 1相同或不同， 各自为1，m，n和k分别为0或1的直链烷基或烷氧基，l + m为1或2：各自为CH CH或Br，CN表示不对称碳原子。 Ë

    Ferroelectric liquid crystal composition
    9.
    发明公开
    Ferroelectric liquid crystal composition 失效
    铁电液晶组成

    公开(公告)号：EP0383261A3

    公开(公告)日：1991-10-23

    申请号：EP90102799.5

    申请日：1990-02-13

    申请人： Chisso Corporation

    发明人： Murashiro, Katsuyuki ,  Kikuchi, Makoto ,  Ichihashi, Mitsuyoshi ,  Terashima, Kanetsugu ,  Seki, Masaharu

    IPC分类号： C09K19/34

    CPC分类号： C09K19/3458

    摘要： The present invention provides a ferroelectric liquid crystal composition which can exhibit an S C * phase in an extensive temperature range inclusive of room temperature and which has quick response properties and a large tilt angle, and it also provides a switching element containing the above-mentioned ferroelectric liquid crystal composition and having excellent response properties. The present invention is connected with a ferroelectric liquid crystal composition comprising at least one component A and at least one component B described hereinafter, the content of said component A being from 30 to 95% by weight, the content of said component B being from 5 to 50% by weight,
    said component A being a compound represented by the formula (I)
    wherein R¹ is an alkyl group or alkoxy group having 1 to 18 carbon atoms, k is an integer of 1 or 2, and R² is a straight-chain or branched alkyl group,
    said component B being a ferroelectric liquid crystal compound having a spontaneous polarization of 10 nCcm⁻² or more.

    摘要翻译： 本发明提供一种铁电液晶组合物，其能够在包括室温的广泛温度范围内显示出SC *相，并且具有快速响应性和大倾角，并且还提供了一种开关元件，其包含上述铁电体 液晶组合物并具有优异的响应性。 本发明与包含至少一种组分A和至少一种后述的组分B的铁电液晶组合物相连，所述组分A的含量为30-95重量％，所述组分B的含量为5 所说的组分A是由式（Ⅰ）表示的化合物，其中R 1是具有1-18个碳原子的烷基或烷氧基，k是1或2的整数，R 2是直链或支链烷基， 所述组分B是具有10nCcm -2或更高的自发极化的铁电液晶化合物。

    Ferroelectric liquid crystal composition and light switching device using said composition
    10.
    发明公开
    Ferroelectric liquid crystal composition and light switching device using said composition 失效
    FerroelektrischeFlüssigkristallzusammensetzungund diese verwendender Lichtschalter。

    公开(公告)号：EP0411610A2

    公开(公告)日：1991-02-06

    申请号：EP90114769.4

    申请日：1990-08-01

    申请人： Chisso Corporation

    发明人： Terashima, Kanetsugu ,  Ichihashi, Mitsuyoshi ,  Kikuchi, Makoto ,  Murashiro, Katsuyuki

    IPC分类号： C09K19/46

    CPC分类号： C09K19/42 ,  C09K19/46

    摘要： Ferroelectric liquid crystal compositions containing the following components (A), (B) and (C). Component (A): at least one compound represented by the general formula (A):

    Component (B): at least one compound represented by the general formula (B):

    Component (C): at least one compound selected from the compounds represented by the general formula (C-a):
    and the compounds represented by the general formula (C-b):

    All the symbols are as defined in the appended claims. The compositions exhibit quick response and have the SC * phase over a wide temperature range, and thus are suitable for use in light switching devices.

    摘要翻译： 含有以下组分（A），（B）和（C）的铁电液晶组合物。 组分（A）：至少一种由通式（A）表示的化合物：组分（B）：至少一种由通式（B）表示的化合物：组分（C）：至少一种 选自由通式（Ca）表示的化合物的化合物：和由通式（Cb）表示的化合物：所有符号如所附权利要求中所定义。 该组合物表现出快速响应并且在宽温度范围内具有SC *相，因此适用于光开关装置。