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    Difluoromethyl ether derivative and process for producing the same
    3.
    发明授权
    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：US06605747B2

    公开(公告)日：2003-08-12

    申请号：US09925608

    申请日：2001-08-10

    申请人： Tomoyuki Kondo ,  Kouki Sagou ,  Shuichi Matsui ,  Hiroyuki Takeuchi ,  Yasuhiro Kubo ,  Etsuo Nakagawa

    发明人： Tomoyuki Kondo ,  Kouki Sagou ,  Shuichi Matsui ,  Hiroyuki Takeuchi ,  Yasuhiro Kubo ,  Etsuo Nakagawa

    IPC分类号： C07C4106

    CPC分类号： C09K19/3066 ,  C09K19/20 ,  C09K19/3402 ,  C09K19/3458 ,  C09K19/3469 ,  C09K19/3491 ,  C09K19/42 ,  C09K2019/0466 ,  C09K2019/3422 ,  Y10T428/10

    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): wherein the variables are defined in the specification, is characterized by using an &agr;&agr;-difluorocyclohexylidene derivative represented by Formula (1a): wherein R1, rings A1 and A2, Z1, Z2, k and l have the same meanings as defined in the specification, 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。

    Substituted benzene derivative, liquid crystal composition, and liquid crystal display element
    4.
    发明授权
    Substituted benzene derivative, liquid crystal composition, and liquid crystal display element 有权
    取代苯衍生物，液晶组合物和液晶显示元件

    公开(公告)号：US06579577B2

    公开(公告)日：2003-06-17

    申请号：US09917271

    申请日：2001-07-30

    申请人： Tomoyuki Kondo ,  Shuichi Matsui ,  Kazutoshi Miyazawa ,  Hiroyuki Takeuchi ,  Yasuhiro Kubo ,  Fusayuki Takeshita ,  Etsuo Nakagawa

    发明人： Tomoyuki Kondo ,  Shuichi Matsui ,  Kazutoshi Miyazawa ,  Hiroyuki Takeuchi ,  Yasuhiro Kubo ,  Fusayuki Takeshita ,  Etsuo Nakagawa

    IPC分类号： C09K1912

    CPC分类号： C07C17/12 ,  C07C17/263 ,  C07C17/35 ,  C07C25/18 ,  C07C43/225 ,  C09K19/14 ,  C09K19/20 ,  C09K19/42 ,  C09K19/44 ,  C09K19/46 ,  C09K2019/0448 ,  C09K2019/0451 ,  Y10T428/10

    摘要： There is provided a liquid crystalline compound having a high voltage holding ratio which has a very small degree of temperature dependence, a low threshold voltage which has a very small degree of temperature dependence, a high &Dgr;n, and excellent miscibility with other liquid crystal materials at low temperature; a liquid crystal composition; and a liquid crystal display element, and the liquid crystalline compound is a substituted benzene derivative represented by general formula (1), where, R represents a straight chain or branched alkyl group having 1 to 20 carbon atoms in which each of optional and nonadjacent methylene groups (—CH2—) may be substituted by an oxygen atom; X represents a halogen atom, —CF3, —CF2H, —CFH2, —OCF3 or —OCF2H; each of Z1 and Z2 independently represents —(CH2)2—, —(CH2)4—, —CH2O—, —OCH2— or a covalent bond, but Z1 and Z2 are not covalent bonds simultaneously; each of Y1, Y2, Y3, Y4, Y5, and Y6 independently represents H or F, but at least one of Y1, Y2, Y3, and Y4 represents F.

    摘要翻译： 提供了具有非常小的温度依赖性的高电压保持率的液晶化合物，具有非常小的温度依赖性的低阈值电压，高DELTAn和与其它液晶材料的优异的混溶性 低温; 液晶组合物; 和液晶显示元件，液晶化合物是通式（1）表示的取代苯衍生物，其中，R表示碳原子数1〜20的直链或支链烷基，其中任选的和不相邻的亚甲基 基团（-CH 2 - ）可以被氧原子取代; X表示卤素原子，-CF 3，-CF 2 H，-CFH 2，-OCF 3或-OCF 2 H; Z 1和Z 2各自独立地表示 - （CH 2）2 - ， - （CH 2）4 - ， - CH 2 O-，-OCH 2 - 或共价键，但Z 1和Z 2不同时为共价键; Y1，Y2，Y3，Y4，Y5和Y6各自独立地表示H或F，但Y1，Y2，Y3和Y4中的至少一个表示F.

    Difluorovinyl compound, liquid crystal composition and liquid crystal display
    7.
    发明授权
    Difluorovinyl compound, liquid crystal composition and liquid crystal display 有权
    二氟乙烯基化合物，液晶组合物和液晶显示

    公开(公告)号：US06649227B2

    公开(公告)日：2003-11-18

    申请号：US09899169

    申请日：2001-07-06

    申请人： Takashi Kato ,  Shuichi Matsui ,  Hiroyuki Takeuchi ,  Yasuhiro Kubo ,  Etsuo Nakagawa

    发明人： Takashi Kato ,  Shuichi Matsui ,  Hiroyuki Takeuchi ,  Yasuhiro Kubo ,  Etsuo Nakagawa

    IPC分类号： C09K1934

    CPC分类号： C07C49/753 ,  C07C49/687 ,  C07C49/693 ,  C07C49/697 ,  C07D319/06 ,  C09K19/04 ,  C09K19/3402 ,  C09K19/42 ,  C09K19/44 ,  C09K19/46 ,  C09K2019/0448 ,  C09K2019/0451 ,  C09K2019/3422 ,  Y10T428/10

    摘要： Provided are liquid crystalline compounds having a wide liquid crystal phase temperature range, low viscosity, a large elastic constant ratio K33/K11 and excellent solubility at low temperature, a liquid crystal composition using the same and a liquid crystal display. Preferred compounds are difluorovinyl compounds represented by Formula (1): wherein Y1, represents H or a straight chain or branched alkyl group having 1 to 10 carbon atoms, and optional —CH2— in the above alkyl group may be replaced by —O— or —CH═CH—, but —O— is not adjacent to each other, and at least one H in Y1 may be substituted with halogen or a cyano group: A1, A2, A3 and A4 each independently represent 1,4-cyclohexylene in which optional —CH2— which is not adjacent to each other may be replaced by —O—, 1,4-phenylene in which optional H may be substituted with halogen, and a single bond, in which at least two of A1, A2, A3 and A4 have the ring structure described above, and at least one of them is 1,4-cyclohexylene in which —CH2— is replaced by —O—; Z1, Z2 and Z3 each independently represent a single bond, —(CH2)2—, —CH═CH—, —(CH2)4—, —O(CH2)3— or —(CH2)3O—; n represents 0 or an integer of 1 to 10, provided that when any of A1, A2, A3 and A4 is 1,4-phenylene, Z1, Z2 and Z3 are single bonds, and among them, when A1 is 1,3-dioxane-2,5-diyl and A2 is 1,4-phenylene and when A3 is 1,4-cyclohexylene and A4 is a single bond, Y1 is H, and n is not 0.

    摘要翻译： 本发明提供具有宽液晶相温度范围，低粘度，大弹性常数比K33 / K11和低温溶解度优异的液晶化合物，使用该液晶组合物的液晶组合物和液晶显示器。 优选的化合物是由式（1）表示的二氟乙烯基化合物：其中Y 1表示H或具有1至10个碳原子的直链或支链烷基，并且上述烷基中任选的-CH 2 - 可以被 - O-或-CH = CH-，但-O-不彼此相邻，并且Y 1中的至少一个H可以被卤素或氰基取代：A 1，A 2， A 3和A 4各自独立地表示1,4-亚环己基，其中不相邻的任选的-CH 2可以被-O-，1,4-亚苯基代替，其中任选的H可以被取代 具有卤素和单键，其中A 1，A 2，A 3和A 4中的至少两个具有上述环结构，并且它们中的至少一个为1,4 - 环己烯，其中-CH 2 - 被-O-取代; Z 1，Z 2和Z 3各自独立地表示单键， - （CH 2）2 - ， - CH = CH - ， - （CH 2）4 - ， - O（CH 2）3 - （CH2）3O-; n表示0或1〜10的整数，条件是当A 1，A 2，A 3和A 4中的任何一个为1,4-亚苯基时，Z 1，Z 2 且Z 3为单键，其中A 1为1,3-二恶烷-2,5-二基，A 2为1,4-亚苯基，当A 3为1时， ，4-环亚己基和A 4为单键，Y 1为H，n为0。

    Terphenyl derivative, liquid-crystal composition, and liquid-crystal display element
    8.
    发明授权
    Terphenyl derivative, liquid-crystal composition, and liquid-crystal display element 有权
    三联苯衍生物，液晶组合物和液晶显示元件

    公开(公告)号：US06344247B1

    公开(公告)日：2002-02-05

    申请号：US09269287

    申请日：1999-03-25

    申请人： Tomoyuki Kondou ,  Shuichi Matsui ,  Kazutoshi Miyazawa ,  Hiroyuki Takeuchi ,  Yasuhiro Kubo ,  Fusayuki Takeshita ,  Etsuo Nakagawa

    发明人： Tomoyuki Kondou ,  Shuichi Matsui ,  Kazutoshi Miyazawa ,  Hiroyuki Takeuchi ,  Yasuhiro Kubo ,  Fusayuki Takeshita ,  Etsuo Nakagawa

    IPC分类号： C09K1912

    CPC分类号： C07C25/18 ,  C07C43/225 ,  C09K19/12 ,  Y10T428/10

    摘要： The present invention provides liquid crystalline compounds having a high voltage holding ratio and a low threshold voltage, little variation of these properties depending on temperature change, high &Dgr;n, and good compatibility with other liquid crystal materials particularly under a low temperature; liquid crystal compositions containing these crystalline compounds; and liquid crystal display devices comprising these liquid crystal compositions. The liquid crystalline compounds are terphenyl derivatives represented by general formula (1): wherein R represents a straight or branched alkyl group of 1-20 carbon atoms, and any methylene groups (—CH2—) not adjacent each other in each alkyl group may be replaced by oxygen atoms; X represents halogen atom, —OCF3, —OCF2H, —CF3, —CF2H or —CFH2; Y1, Y2, Y3, Y4, Y5 and Y6 independently represents H or F, but at least two of Y1, Y2, Y3 and Y4 represent F; and any atom constituting these compounds may be substituted by its isotope.

    摘要翻译： 本发明提供了具有高电压保持率和低阈值电压的液晶化合物，这些特性根据温度变化几乎没有变化，高DELTAn，以及与其它液晶材料，特别是在低温下的良好相容性; 含有这些结晶化合物的液晶组合物; 以及包含这些液晶组合物的液晶显示装置。 液晶化合物是由通式（1）表示的三联苯衍生物：其中R表示1-20个碳原子的直链或支链烷基，每个烷基中不相邻的任何亚甲基（-CH 2 - ）可以是 被氧原子取代; X表示卤素原子，-OCF 3，-OCF 2 H，-CF 3，-CF 2 H或-CFH 2; Y1，Y2，Y3，Y4，Y5和Y6独立地表示H或F，但Y1，Y2，Y3和Y4中的至少两个表示F; 并且构成这些化合物的任何原子可以被其同位素取代。

    Fluoroalkylated liquid-crystal compounds, liquid-crystal compositions, and liquid-crystal display elements
    9.
    发明授权
    Fluoroalkylated liquid-crystal compounds, liquid-crystal compositions, and liquid-crystal display elements 有权
    氟烷基化液晶化合物，液晶组合物和液晶显示元件

    公开(公告)号：US06254941B1

    公开(公告)日：2001-07-03

    申请号：US09269286

    申请日：1999-03-25

    申请人： Tomoyuki Kondou ,  Shuichi Matsui ,  Kazutoshi Miyazawa ,  Hiroyuki Takeuchi ,  Yasuhiro Kubo ,  Fusayuki Takeshita ,  Etsuo Nakagawa

    发明人： Tomoyuki Kondou ,  Shuichi Matsui ,  Kazutoshi Miyazawa ,  Hiroyuki Takeuchi ,  Yasuhiro Kubo ,  Fusayuki Takeshita ,  Etsuo Nakagawa

    IPC分类号： C09K1912

    CPC分类号： C07C17/12 ,  C07C17/263 ,  C07C17/2635 ,  C07C17/361 ,  C07C25/18 ,  C07C43/174 ,  C07C43/225 ,  C09K19/12 ,  C09K19/14 ,  C09K19/20 ,  C09K2019/124 ,  Y10T428/10 ,  C07C25/13

    摘要： The present invention provides liquid crystalline compounds having a very high voltage holding ratio, very little variation of these properties depending on temperature, high &Dgr;n, and good compatibility in the other liquid crystal materials particularly under a low temperature, liquid crystal compositions containing these crystalline compounds, and liquid crystal display devices constituted by using the liquid crystal compositions. The liquid crystalline compounds are represented by general formula (1): wherein R represents an alkyl, alkoxy or alkoxyalkyl group of 2-20 carbon atoms, and in each group, any 1-3 hydrogen atoms may be replaced by fluorine atoms; X shows an halogen atom or an alkyl group of 1-20 carbon atoms, any methylene groups (—CH2—) not adjacent each other in the alkyl group may be replaced by oxygen atoms, and any one or more hydrogen atoms in the alkyl group may be replaced by fluorine atoms; Z1, Z2 and Z3, each independently, represents —(CH2)2—, —(CH2)4—, —CH2O—, —OCH2—, —(CH2)3O—, —O(CH2)3— or a covalent bond; Y1-Y16 each independently represent hydrogen atoms or fluorine atoms, but at least two represent fluorine atoms; m represents 0 or 1, and any atom constituting the compound may be replaced by an isotope thereof.

    摘要翻译： 本发明提供了具有非常高的电压保持率的液晶化合物，这些性质随温度变化很小，DELTAn高，在其它液晶材料中特别是在低温下具有良好的相容性，含有这些结晶化合物的液晶组合物 ，以及使用液晶组合物构成的液晶显示装置。 液晶化合物由通式（1）表示：其中R表示2-20个碳原子的烷基，烷氧基或烷氧基烷基，并且在每一组中，任何1-3个氢原子可被氟原子取代; X表示卤素原子或1-20个碳原子的烷基，烷基中不相邻的任何亚甲基（-CH 2 - ）可以被氧原子取代，并且烷基中的任何一个或多个氢原子 可以被氟原子取代; Z 2，Z 2和Z 3各自独立地表示 - （CH 2）2 - ， - （CH 2）4 - ， - CH 2 O - ， - OCH 2 - ， - （CH 2）3 O-，-O ; Y1-Y16各自独立地表示氢原子或氟原子，但至少两个表示氟原子; m表示0或1，构成化合物的任何原子可以被其同位素代替。