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    Phenyldioxane derivatives, liquid crystal compositions, and liquid crystal display elements
    2.
    发明授权
    Phenyldioxane derivatives, liquid crystal compositions, and liquid crystal display elements 失效
    苯基二恶烷衍生物，液晶组合物和液晶显示元件

    公开(公告)号：US5858272A

    公开(公告)日：1999-01-12

    申请号：US893237

    申请日：1997-07-15

    申请人： Yasuhiro Haseba ,  Shuichi Matsui ,  Kazutoshi Miyazawa ,  Hiroyuki Takeuchi ,  Yasusuke Hisatsune ,  Fusayuki Takeshita ,  Etsuo Nakagawa

    发明人： Yasuhiro Haseba ,  Shuichi Matsui ,  Kazutoshi Miyazawa ,  Hiroyuki Takeuchi ,  Yasusuke Hisatsune ,  Fusayuki Takeshita ,  Etsuo Nakagawa

    IPC分类号： G02F1/13 ,  C07D319/06 ,  C09K19/34 ,  C09K19/42 ,  C09K19/44 ,  C09K19/46

    CPC分类号： C07D319/06 ,  C09K19/3402 ,  C09K19/42 ,  C09K19/44 ,  C09K19/46 ,  C09K2019/0448 ,  C09K2019/0451 ,  C09K2019/3422

    摘要： There is provided an electrically and chemically stable liquid crystalline compound which exhibits a significantly large value of De and a high voltage holding ratio. The compound is a phenyldioxane derivative represented by formula (1): ##STR1## wherein R represents a C1-C20 alkyl group; each of n1 and n2 represents 0 or 1; each of Q.sub.1 through Q.sub.6 represents a hydrogen atom, a fluorine atom, or a chlorine atom, provided that Q.sub.3 is a fluorine atom or a chlorine atom when n2 is 0, and that at least one of Q.sub.1 and Q.sub.3 is a fluorine atom or a chlorine atom when n2 is 1; each of Za and Zb represents a single bond, --COO--, or --CF.sub.2 O--; Zc represents a single bond or --CH.sub.2 CH.sub.2 --; Y represents a hydrogen atom, a halogen atom, or a C1-C5 halogenated alkyl group in which one or more non-adjacent methylene groups may be replaced by oxygen atoms or sulfur atoms; and each of the elements that constitute the compound may comprise isotopes of the element. The compound also exhibits excellent compatibility with previously known liquid crystalline compounds, and is advantageously used for low voltage driving of liquid crystal displays for TFTs. There are also provided liquid crystal compositions comprising the compound, as well as liquid crystal display elements constructed of the compositions.

    摘要翻译： 提供了电化学稳定的液晶化合物，其表现出显着的De值和高电压保持率。 化合物是由式（1）表示的苯基二恶烷衍生物：其中R表示C1-C20烷基; n1和n2各自表示0或1; Q1至Q6中的每一个表示氢原子，氟原子或氯原子，条件是当n2为0时Q3为氟原子或氯原子，并且Q1和Q3中的至少一个为氟原子或 n2为1时为氯原子; Za和Zb各自表示单键-COO-或-CF2O-; Zc表示单键或-CH2CH2-; Y表示一个或多个不相邻的亚甲基可以被氧原子或硫原子代替的氢原子，卤素原子或C1-C5卤代烷基; 并且构成化合物的每个元素可以包括元素的同位素。 该化合物还与先前已知的液晶化合物具有优异的相容性，并且有利地用于TFT的液晶显示器的低电压驱动。 还提供了包含该化合物的液晶组合物以及由该组合物构成的液晶显示元件。

    Polyhaloalkyl ether derivatives as well as liquid crystal compositions and liquid crystal display elements containing them
    4.
    发明授权
    Polyhaloalkyl ether derivatives as well as liquid crystal compositions and liquid crystal display elements containing them 有权
    多卤烷基醚衍生物以及含有它们的液晶组合物和液晶显示元件

    公开(公告)号：US06187223B1

    公开(公告)日：2001-02-13

    申请号：US09335783

    申请日：1999-06-18

    申请人： Tugumiti Andou ,  Koichi Shibata ,  Shuichi Matsui ,  Kazutoshi Miyazawa ,  Hiroyuki Takeuchi ,  Yasusuke Hisatsune ,  Fusayuki Takeshita ,  Etsuo Nakagawa ,  Katsuhiko Kobayashi ,  Yoshitaka Tomi

    发明人： Tugumiti Andou ,  Koichi Shibata ,  Shuichi Matsui ,  Kazutoshi Miyazawa ,  Hiroyuki Takeuchi ,  Yasusuke Hisatsune ,  Fusayuki Takeshita ,  Etsuo Nakagawa ,  Katsuhiko Kobayashi ,  Yoshitaka Tomi

    IPC分类号： C09K1930

    CPC分类号： C09K19/04 ,  C07C43/225 ,  C07C69/017 ,  C07C69/753 ,  C07C69/76 ,  C07C2601/14 ,  C09K19/30 ,  C09K19/3001 ,  C09K19/3066 ,  C09K19/3068 ,  C09K19/3098 ,  C09K19/46 ,  Y10T428/10

    摘要： A compound expressed by the general formula (1): wherein R1 denotes an alkyl group having from 1 to 20 carbon atoms in which one or more methylene groups in said group may be replaced by oxygen atoms or —CH═CH— and one or more hydrogen atoms in said group may be replaced by flourine or chlorine atoms, with the proviso that two or more methylene groups may not be continuously replaced by oxygen atoms, Y1 denotes an alkoxy group having 1 to 5 carbon atoms, in which at least one hydrogen atom is replaced by a fluorine atom and one or more hydrogen atoms may be further replaced by chlorine atoms, Z1, Z2 and Z3 each independently denote a covalent bond, —CH2CH2—, —CH═CH—, —COO— or —CF2)—, with the proviso that at least one of Z1, Z2 and Z3 is —COO— or —CF2O—, rings A1, A2, A3 and A4 each independently denote trans-1,4-cyclohexylene, 3-cyclohexen-1,4-ylene, 3-fluoro-3-cyclohexen-1,4-ylene, pyrimidine-2,5-diyl, 1,3-dioxan-2,5-diyl, trans-1-sila-1,4-cyclohexylene, trans-4-sila-1,4-cyclohexylene, or 1,4-phenylene in which one or more hydrogen atoms may be replaced by fluorine atoms or chlorine atoms, and m and n denote 0 or 1, with the proviso that when Z1, Z2 or Z3 is —CF2O—, then at least two groups selected from rings A1, A2, A3 and A4 directly bonded to —CF2O— are both 1,4-phenylene in which one or more hydrogen atoms may be replaced by fluorine atoms or chlorine atoms, and any of the rings A1, A2 and A3 bonded with the carbon atoms of —CF2O— is 1,4-phenylene in which at least one hydrogen atom is replaced by fluorine or chlorine atoms.

    摘要翻译： 由通式（1）表示的化合物：其中R1表示具有1至20个碳原子的烷基，其中所述基团中的一个或多个亚甲基可被氧原子或-CH = CH-代替，并且一个或多个 所述基团中的氢原子可以被氟或氯原子代替，条件是两个或更多个亚甲基可以不被氧原子连续替代，Y1表示具有1至5个碳原子的烷氧基，其中至少一个氢 原子被氟原子取代，一个或多个氢原子可以进一步被氯原子取代，Z 1，Z 2和Z 3各自独立地表示共价键，-CH 2 CH 2 - ， - CH = CH - ， - COO-或-CF 2） - ，条件是Z1，Z2和Z3中的至少一个为-COO-或-CF2O-，环A1，A2，A3和A4各自独立地表示反式-1,4-亚环己基，3-环己烯-1,4 亚苯基，3-氟-3-环己烯-1,4-亚基，嘧啶-2,5-二基，1,3-二恶烷-2,5-二基，反式-1-硅烷-1,4-亚环己基，反式 -4-硅烷-1,4-亚环己基，o 其中一个或多个氢原子可以被氟原子或氯原子代替的1,4-亚苯基，m和n表示0或1，条件是当Z1，Z2或Z3为-CF2O-时，则至少两个 与-CF 2 O-直接键合的环A1，A2，A3和A4所选择的基团均为1,4-亚苯基，其中一个或多个氢原子可以被氟原子或氯原子代替，任何环A1，A2和 与-CF 2 O-的碳原子键合的A 3是其中至少一个氢原子被氟或氯原子代替的1,4-亚苯基。

    Alkoxybenzene derivative, liquid-crystal composition, and liquid-crystal display element
    5.
    发明授权
    Alkoxybenzene derivative, liquid-crystal composition, and liquid-crystal display element 失效
    烷氧基苯衍生物，液晶组合物和液晶显示元件

    公开(公告)号：US06177154B1

    公开(公告)日：2001-01-23

    申请号：US09254682

    申请日：1999-03-16

    申请人： Shuichi Matsui ,  Tugumiti Andou ,  Kazutoshi Miyazawa ,  Hiroyuki Takeuchi ,  Yasusuke Hisatsune ,  Fusayuki Takeshita ,  Etsuo Nakagawa

    发明人： Shuichi Matsui ,  Tugumiti Andou ,  Kazutoshi Miyazawa ,  Hiroyuki Takeuchi ,  Yasusuke Hisatsune ,  Fusayuki Takeshita ,  Etsuo Nakagawa

    IPC分类号： C09K1934

    CPC分类号： C07D239/26 ,  C07C43/225 ,  C07C69/76 ,  C07C255/54 ,  C07C2601/14 ,  C07D319/06 ,  C09K19/12 ,  C09K19/14 ,  C09K19/20 ,  C09K19/2007 ,  C09K19/3003 ,  C09K19/3066 ,  Y10T428/10

    摘要： Disclosed are (a) liquid crystalline compounds which are essential as component of the liquid crystal compositions, are excellent in miscibility with other liquid crystal compositions, particularly in the miscibility at low temperatures, and expressed by the general formula (1) wherein R0 and R1 independently represent an alkyl group having 1 to 10 carbon atoms; ring A0, ring A1, ring A2, and ring A3 represent 1,4-cyclohexylene group, 1,3-dioxane-2,5-diyl group, 1,4-phenylene group in which one or more hydrogen atoms on the ring may be represented by a halogen atom or R2O group, pyridine-2,5-diyl group, or pyrimidine-2,5-diyl group; Z0, Z1, Z2, and Z3 represent —CH2CH2—, —CH═CH—, —C≡C—, —CH2O—, —OCH2—, —CF2O—, —OCF2—, —COO—, —OCO—, —(CH2)4—, or single bond; Q1 and Q2 represent hydrogen atom or a halogen atom; Q3 represents hydrogen atom, a halogen atom, or R2O group; R2 represents an alkyl group having 1 to 10 carbon atoms; Y represents a halogen atom, cyano group, or an alkyl group having 1 to 10 carbon atoms; l, m, n and o are 0, 1, or 2 with the proviso that 1≦l+m+n+o≦3; and the atom which constitutes this compound may be replaced by its isotope; and (b) liquid crystal display devices fabricated by using the liquid crystal composition.

    摘要翻译： 公开了（a）作为液晶组合物成分必不可少的液晶性化合物，与其他液晶组合物的混合性优异，特别是在低温下的混溶性中，由通式（1）表示，其中R 0和R 1 独立地表示碳原子数1〜10的烷基。 环A0，环A1，环A2和环A3表示1,4-亚环己基，1,3-二恶烷-2,5-二基，环中的一个或多个氢原子的1,4-亚苯基 由卤素原子或R 2 O基团，吡啶-2,5-二基或嘧啶-2,5-二基表示; Z0，Z1，Z2和Z3表示-CH2CH2-，-CH = CH-，-C = C-，-CH2O-，-OCH2-，-CF2O-，-OCF2-，-COO-，-OCO-， （CH 2）4 - 或单键; Q1和Q2表示氢原子或卤素原子; Q3表示氢原子，卤素原子或R2O基团; R 2表示碳原子数1〜10的烷基。 Y表示卤素原子，氰基或碳原子数1〜10的烷基。 l，m，n和o分别为0,1或2，条件是1 <= 1 + m + n + o = 3; 构成该化合物的原子可以被其同位素代替; 和（b）使用该液晶组合物制造的液晶显示装置。

    Pyrimidine derivative, liquid crystal composition comprising the derivative, and liquid crystal display device fabricated by using the composition
    9.
    发明授权
    Pyrimidine derivative, liquid crystal composition comprising the derivative, and liquid crystal display device fabricated by using the composition 有权
    嘧啶衍生物，包含该衍生物的液晶组合物和使用该组合物制造的液晶显示装置

    公开(公告)号：US06326065B1

    公开(公告)日：2001-12-04

    申请号：US09203671

    申请日：1998-12-01

    申请人： Yasuhiro Haseba ,  Shuichi Matsui ,  Kazutoshi Miyazawa ,  Hiroyuki Takeuchi ,  Yoshitaka Tomi ,  Fusayuki Takeshita ,  Etsuo Nakagawa

    发明人： Yasuhiro Haseba ,  Shuichi Matsui ,  Kazutoshi Miyazawa ,  Hiroyuki Takeuchi ,  Yoshitaka Tomi ,  Fusayuki Takeshita ,  Etsuo Nakagawa

    IPC分类号： C09K1930

    摘要： Liquid crystalline compounds having a comparatively high voltage holding ratio, high &Dgr;n and high &Dgr;&egr;, and excellent miscibility with known liquid crystalline compounds at low temperatures. The novel compounds have the formula (1) wherein R represents hydrogen atom or an alkyl group having 1 to 20 carbon atoms; n1 and n2 are independently 0, 1, or 2 provided that the sum of n1 and n2 is 1 or 2; ring A and ring B independently represent 1,4-phenylene, fluorine substituted 1,4-phenylene expressed by the formula (a) in the specification or 1,4-cyclohexylene provided that at least one of ring A and ring B is fluorine substituted 1,4-phenylene expressed by the formula (a); Za, Zb, and Zc independently represent single bond, —CH2CH2—, —COO—, —CF2O—, or —CH2CH2CH2CH2—; Q1, Q2, Q3, Q4, Q5, Q6, and Q7 independently represent hydrogen atom, a halogen atom, or methyl group provided that when at least one of Za, Zb, and Zc is —CH2CH2—, then Q2 is fluorine atom, and that when Za, Zb, and Zc are all single bonds, then Q1, Q2, Q3, Q4, Q5, Q6, and Q7 independently represent hydrogen atom or fluorine atom; Y represents hydrogen atom, a halogen atom, or a halogenated alkyl group having 1 to 5 carbon atoms; and each atom constituting this compound may be replaced by its isotope.

    摘要翻译： 具有比较高的电压保持率，高DELTAn和高DELTAepsi的液晶化合物，以及在低温下与已知液晶化合物的优异的混溶性。 新化合物具有式（1）其中R表示氢原子或具有1至20个碳原子的烷基; n1和n2独立地为0,1或2，条件是n1和n2的和为1或2; 环A和环B独立地表示说明书中所示的1,4-亚苯基，由式（a）表示的氟取代的1,4-亚苯基或1,4-亚环己基，条件是环A和环B中的至少一个为氟取代的 由式（a）表示的1,4-亚苯基; Za，Zb和Zc独立地表示单键，-CH2CH2-，-COO-，-CF2O-或-CH2CH2CH2CH2-; Q1，Q2，Q3，Q4，Q5，Q6和Q7独立地表示氢原子，卤素原子或甲基，条件是当Za，Zb和Zc中的至少一个是-CH 2 CH 2 - 时，则Q2是氟原子， 当Za，Zb和Zc都是单键时，Q1，Q2，Q3，Q4，Q5，Q6和Q7独立地表示氢原子或氟原子; Y表示氢原子，卤素原子或碳原子数1〜5的卤代烷基; 并且构成该化合物的每个原子可以被其同位素代替。