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.

公开(公告)号：US06555185B2

公开(公告)日：2003-04-29

申请号：US09836317

申请日：2001-04-18

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 with 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 made using 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 is a 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.

公开(公告)号：US06248260B1

公开(公告)日：2001-06-19

申请号：US09355285

申请日：1999-07-28

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

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

IPC分类号： C09K1912

CPC分类号： C07C25/18 ,  C07C22/08 ,  C07C43/225 ,  C07C2601/14 ,  C07F7/0896 ,  C09K19/0403 ,  C09K19/3001 ,  C09K19/406 ,  C09K2019/0407 ,  C09K2019/0444

摘要： Provided are liquid crystalline compounds which are excellent in the miscibility with existing liquid crystalline compounds even at low temperatures and are electrically and chemically stable while having a high voltage holding ratio and a high &Dgr;∈; liquid crystal compositions comprising the compound; and liquid crystal display devices fabricated by using the composition; the liquid crystalline compounds are expressed by the general formula (1)

摘要翻译： 提供即使在低温下与现有液晶化合物的混溶性也优异且在具有高电压保持率和高DELTAε的情况下具有电学和化学稳定性的液晶化合物; 包含该化合物的液晶组合物; 和使用该组合物制造的液晶显示装置; 液晶化合物由通式（1）表示，

公开(公告)号：US06168839A

公开(公告)日：2001-01-02

申请号：US09331428

申请日：1999-06-21

申请人： Atsuko Fujita ,  Shuichi Matsui ,  Kazutoshi Miyazawa ,  Hiroyuki Takeuchi ,  Fusayuki Takeshita ,  Etsuo Nakagawa

发明人： Atsuko Fujita ,  Shuichi Matsui ,  Kazutoshi Miyazawa ,  Hiroyuki Takeuchi ,  Fusayuki Takeshita ,  Etsuo Nakagawa

IPC分类号： C09K1930

CPC分类号： C07C57/26 ,  C09K19/06 ,  C09K19/42 ,  Y10T428/10

摘要： Novel liquid crystalline compounds which have a wide temperature range of liquid crystal phase, are excellent in miscibility with other liquid crystalline compounds, have a low viscosity, are low in toxicity, and are safe; liquid crystal compositions comprising the liquid crystalline compound; and liquid crystal display devices fabricated by using the composition are provided; and the compounds are cyclohexane derivatives expressed by the general formula (1) wherein R represents an alkylene chain having 2 to 10 carbon atoms in which alkylene chain ethylene group (—CH2CH2—) may be replaced by ethenylene group (—CH═CH—) or methylenoxy group (—OCH2—); and M represents COOH or CN group.

摘要翻译： 具有液晶相温度范围宽的新型液晶化合物与其它液晶化合物的混溶性优异，粘度低，毒性低，安全; 包含液晶化合物的液晶组合物; 并提供使用该组合物制造的液晶显示装置; 并且所述化合物是由通式（1）表示的环己烷衍生物，其中R表示具有2-10个碳原子的亚烷基链，其中亚烷基链亚乙基（-CH 2 CH 2 - ）可以被亚乙烯基（-CH = CH-）代替） 或亚甲氧基（-OCH 2 - ）; M表示COOH或CN基。

公开(公告)号：US5879585A

公开(公告)日：1999-03-09

申请号：US948516

申请日：1997-10-10

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

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

IPC分类号： G02F1/13 ,  C07C13/28 ,  C07C15/50 ,  C07C17/26 ,  C07C22/00 ,  C07C22/04 ,  C07C22/08 ,  C07C23/18 ,  C07C25/18 ,  C07C25/24 ,  C07C43/168 ,  C07C43/176 ,  C07C43/188 ,  C07C43/225 ,  C07C69/75 ,  C07C69/753 ,  C07C69/76 ,  C07C69/773 ,  C07C69/84 ,  C07C255/32 ,  C07C255/35 ,  C07C255/46 ,  C07C255/50 ,  C07D213/16 ,  C07D213/61 ,  C07D239/26 ,  C07D319/06 ,  C09K19/04 ,  C09K19/08 ,  C09K19/12 ,  C09K19/14 ,  C09K19/16 ,  C09K19/18 ,  C09K19/20 ,  C09K19/30 ,  C09K19/34 ,  C09K19/42 ,  C09K19/44 ,  C09K19/46 ,  C09K19/52 ,  C07C15/54

CPC分类号： C07D239/26 ,  C07C13/28 ,  C07C17/263 ,  C07C17/2632 ,  C07C22/00 ,  C07C22/08 ,  C07C25/24 ,  C07C43/176 ,  C07C43/188 ,  C07C43/225 ,  C07C69/76 ,  C07D213/16 ,  C07D213/61 ,  C07D319/06 ,  C09K19/04 ,  C09K19/12 ,  C09K19/18 ,  C09K19/3001 ,  C09K19/3003 ,  C09K19/3048 ,  C09K19/42 ,  C09K19/44 ,  C09K19/46 ,  C07C2101/14 ,  C09K2019/0444 ,  C09K2019/0448 ,  C09K2019/0451 ,  C09K2019/0459

摘要： A liquid crystalline compound having a remarkably high .DELTA.n and good miscibility with other liquid crystalline compounds, and expressed by the general formula (1) ##STR1## wherein R.sub.1 represents, for example, a halogen atom, cyano group, or an alkyl or alkenyl group of 1 to 15 carbon atoms in which alkyl or alkenyl group hydrogen atom may be replaced, for example, by fluorine atom, and one or not-adjacent two or more methylene groups may be replaced by oxygen atom, --CH.dbd.CH-- or --C.tbd.C--; R.sub.2 represents an alkyl group of 1 to 10 carbon atoms or hydrogen atom; rings A.sub.1, A.sub.2, A.sub.3, and A.sub.4 independently represent, for example, 1,4-cyclohexylene or 1,4-phenylene in which hydrogen atom may be replaced by a halogen atom or cyano group; Z.sub.1, Z.sub.2, and Z.sub.3 independently represent, for example, a covalent bond or --CH.sub.2 CH.sub.2 --; s and t are 0 or 1; u is an integer of 1 to 5; and each of the elements in the general formula may be its isotope. A liquid crystal composition and a liquid crystal display device using the compound are also disclosed.

摘要翻译： 具有非常高的DELTA n和与其它液晶化合物良好的混溶性并由通式（1）表示的液晶化合物其中R 1表示例如卤素原子， 氰基或碳原子数1〜15的烷基或烯基，烷基或链烯基氢原子可以被氟原子取代，并且可以用氧代替一个或不相邻的两个以上亚甲基 原子，-CH = CH-或-C 3BOND C-; R2表示1〜10个碳原子的烷基或氢原子; 环A1，A2，A3和A4独立地表示例如可以被卤原子或氰基取代氢原子的1,4-亚环己基或1,4-亚苯基; Z 1，Z 2和Z 3独立地表示例如共价键或-CH 2 CH 2 - ; s和t为0或1; u为1〜5的整数; 并且通式中的每个元素可以是其同位素。 还公开了一种液晶组合物和使用该化合物的液晶显示装置。

公开(公告)号：US06210761B1

公开(公告)日：2001-04-03

申请号：US09319008

申请日：1999-05-28

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

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

IPC分类号： C09K1912

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

摘要： The present invention is to provide liquid crystalline compounds which exhibit a negative dielectric anisotropy value, have an extremely high voltage holding ratio and a low threshold voltage, are remarkably small in their dependency on temperature, hardly exhibit smectic phase, and are excellent in miscibility with other liquid crystal materials; to provide liquid crystal compositions comprising the liquid crystalline compound; and to provide liquid crystal display devices fabricated by using the liquid crystal composition; the liquid crystalline compounds are expressed by the following general formula (1) wherein Ra, Rb, Y1 to Y6, Z1 and Z2 are herein defined.

摘要翻译： 本发明提供具有非常高的电压保持率和低阈值电压的具有负介电各向异性值的液晶化合物在温度依赖性方面非常小，几乎不显示出近晶相，并且与 其他液晶材料; 以提供包含液晶化合物的液晶组合物; 并提供通过使用液晶组合物制造的液晶显示装置; 液晶化合物由以下通式（1）表示，其中本文定义了Ra，Rb，Y1至Y6，Z1和Z2。

公开(公告)号：US06458433B1

公开(公告)日：2002-10-01

申请号：US09331058

申请日：1999-06-16

申请人： Takashi Kato ,  Shuichi Matsui ,  Kazutoshi Miyazawa ,  Fusayuki Takeshita ,  Etsuo Nakagawa

发明人： Takashi Kato ,  Shuichi Matsui ,  Kazutoshi Miyazawa ,  Fusayuki Takeshita ,  Etsuo Nakagawa

IPC分类号： C09K1934

CPC分类号： C07C17/16 ,  C07B59/001 ,  C07C17/12 ,  C07C17/263 ,  C07C17/2632 ,  C07C17/269 ,  C07C17/354 ,  C07C25/18 ,  C07C25/24 ,  C07C43/192 ,  C07C43/225 ,  C07C45/513 ,  C07C45/60 ,  C07C2601/14 ,  C07F7/0896 ,  C09K19/0403 ,  C09K19/14 ,  C09K19/20 ,  C09K19/3003 ,  C09K19/3066 ,  C09K19/3402 ,  C09K19/3444 ,  C09K19/3458 ,  C09K19/3491 ,  C09K19/42 ,  C09K2019/0407 ,  C09K2019/3027 ,  C09K2019/3422 ,  Y10T428/10 ,  C07C22/00 ,  C07C47/105

摘要： Disclosed are liquid crystalline compounds which (i) are characterized in that the compounds have a wide temperature range in which the compounds exhibit a liquid crystal phase, are low in viscosity, and have a negative and large &Dgr;&egr;, (ii) are readily mixed with other various liquid crystal materials even at low temperatures, and (iii) are useful as component of liquid crystal compositions suitable both for TFT type display mode and IPS mode; and liquid crystal composition comprising the liquid crystalline compound; the compounds are expressed by the general formula (1) wherein R1 represents an alkyl group having 1 to 15 carbon atoms; ring A1, ring A2, and ring A3 independently represent trans-1,4-cyclohexylene group, trans-1,4-silacyclohexylene group, pyrimidine-2,5-diyl group, pyridine-2,5-diyl group, 1,3-dioxane-2,5-diyl group, tetrahydropyran-2,5-diyl group, 1,3-dithian-2,5-diyl group, or tetrahydrothiopyran-2,5-diyl group, or 1,4-phenylene group in which one or more hydrogen atoms on the six-membered ring may be replaced by a halogen atom; X1, X2, and X3 independently represent —(CH2)4—, —(CH2)3O—, —O(CH2)3—, or single bond; Y1 represents hydrogen atom or an alkyl group having 1 to 15 carbon atoms; m and n are independently 0 or 1; and any atom which constitutes this compound may be replaced by its isotope.

摘要翻译： 本发明提供的液晶化合物，其特征在于化合物具有宽的温度范围，其中化合物表现出液晶相，粘度低，并且具有负的和大的DELTAepsi，（ii）容易与 其它各种液晶材料即使在低温下，也可用作液晶组合物，适用于TFT型显示模式和IPS模式; 以及包含所述液晶化合物的液晶组合物; 化合物由通式（1）表示，其中R 1表示具有1至15个碳原子的烷基; 环A1，环A2和环A3独立地表示反式-1,4-亚环己基，反-1,4-亚环己基，嘧啶-2,5-二基，吡啶-2,5-二基，1,3 四烷基-2,5-二基，四氢吡喃-2,5-二基，1,3-二噻烷-2,5-二基或四氢噻喃-2,5-二基，或1,4-亚苯基 六元环上的一个或多个氢原子可以被卤素原子取代; X1，X2和X3独立地表示 - （CH2）4-， - （CH2）3O-，-O（CH2）3-或单键; Y1表示氢原子或碳原子数1〜15的烷基。 m和n独立地为0或1; 并且构成该化合物的任何原子可以被其同位素代替。

公开(公告)号：US06348244B1

公开(公告)日：2002-02-19

申请号：US09529989

申请日：2000-04-24

申请人： Kazutoshi Miyazawa ,  Hiroyuki Takeuchi ,  Yasuhiro Kubo ,  Fusayuki Takeshita ,  Etsuo Nakagawa

发明人： Kazutoshi Miyazawa ,  Hiroyuki Takeuchi ,  Yasuhiro Kubo ,  Fusayuki Takeshita ,  Etsuo Nakagawa

IPC分类号： C09K1934

CPC分类号： C07D239/26 ,  C07C25/18 ,  C07C43/225 ,  C07C2601/14 ,  C07D309/06 ,  C07D319/06 ,  C09K19/0403 ,  C09K19/3001 ,  C09K19/3003 ,  C09K19/3028 ,  C09K19/3402 ,  C09K19/42 ,  C09K19/44 ,  C09K19/46 ,  C09K2019/0448 ,  C09K2019/0451 ,  C09K2019/3422 ,  Y10T428/10

摘要： An object of the present invention is to provide novel liquid crystalline compounds having a negative and extremely large dielectric anisotropy value and a small optical anisotropy value together, to provide liquid crystal compositions comprising the liquid crystalline compound, and to provide liquid crystal display devices fabricated by using the liquid crystal composition; the liquid crystalline compounds have 2,3-difluorophenyl moiety and are expressed by the general formula (1) wherein Ra and Rb each independently represent a straight chain or branched alkyl group having 1 to 10 carbon atoms in which group any methylene group may be replaced by —O—, —CH═CH—, or —C≡C—, but there is not a case wherein —O— continues; ring A1 represents cyclohexane-1,4-diyl not adjacent any methylene group may be replaced by —O—; ring A2 represents 2,3-difluoro-1,4-phenylene in which phenylene hydrogen atoms at 5-position and 6-position may each independently be replaced by fluorine atoms; Z1 and Z2 each independently represent single bond or —CH2CH2—; Xa, Xb, Xc, and Xd each independently represent hydrogen atom, fluorine atom, or chlorine atom, but at least one of Xa, Xb, Xc, and Xd is fluorine atom or chlorine atom and any atom which constitutes the compound may be replaced by its isotope.

摘要翻译： 本发明的目的是提供一种具有负极大且非常大的介电各向异性值和小的光学各向异性值的新的液晶化合物，以提供包括液晶化合物的液晶组合物，并提供由 使用液晶组合物; 液晶化合物具有2,3-二氟苯基部分，并且由通式（1）表示，其中Ra和Rb各自独立地表示具有1-10个碳原子的直链或支链烷基，其中任何亚甲基可以被取代 通过-O-，-CH = CH-或-C = C-，但不存在-O-继续的情况; 环A1表示不相邻的环己烷-1,4-二基，任何亚甲基都可以被-O-取代; 环A2表示其中5-位和6-位上的亚苯基氢原子各自独立地被氟原子代替的2,3-二氟-1,4-亚苯基; Z 1和Z 2各自独立地表示单键或-CH 2 CH 2 - ; Xa，Xb，Xc和Xd各自独立地表示氢原子，氟原子或氯原子，但Xa，Xb，Xc和Xd中的至少一个为氟原子或氯原子，构成该化合物的任何原子均可被取代 通过其同位素。

公开(公告)号：US07081279B2

公开(公告)日：2006-07-25

申请号：US10650765

申请日：2003-08-29

申请人： Takashi Kato ,  Tomoyuki Kondo ,  Henry Bernhardt ,  Shuichi Matsui ,  Hiroyuki Takeuchi ,  Yasuhiro Kubo ,  Fusayuki Takeshita ,  Etsuo Nakagawa

发明人： Takashi Kato ,  Tomoyuki Kondo ,  Henry Bernhardt ,  Shuichi Matsui ,  Hiroyuki Takeuchi ,  Yasuhiro Kubo ,  Fusayuki Takeshita ,  Etsuo Nakagawa

IPC分类号： C09K19/34 ,  C09K19/30 ,  C09K19/32 ,  C09K19/12 ,  C07C43/225

CPC分类号： C09K19/3491 ,  C07C17/2635 ,  C07C25/18 ,  C07C25/24 ,  C07C45/515 ,  C07C45/60 ,  C07F7/0896 ,  C09K19/0403 ,  C09K19/12 ,  C09K19/3001 ,  C09K19/3003 ,  C09K19/3402 ,  C09K19/3444 ,  C09K19/3458 ,  C09K19/406 ,  C09K19/42 ,  C09K2019/0407 ,  C09K2019/0444 ,  C09K2019/3027 ,  C09K2019/3422 ,  Y10T428/10 ,  C07C49/753 ,  C07C47/277

摘要： Liquid crystalline compounds having a large negative Δε low viscosity, a large K33/K11 value, a small Δε/Δ⊥ and mutually excellent solubility even at low temperature, compositions containing at least one of the compounds and liquid crystal display devices containing such a liquid crystal compositions are disclosed.

摘要翻译： 具有较大的负值Deltaepsilon低粘度，较大的K 33 / K 11值的小晶体化合物，即使在低温下也具有相当优异的溶解度，组成 含有至少一种化合物和含有这种液晶组合物的液晶显示装置。

公开(公告)号：US06692657B1

公开(公告)日：2004-02-17

申请号：US09323820

申请日：1999-06-02

申请人： Takashi Kato ,  Tomoyuki Kondo ,  Henry Bernhardt ,  Shuichi Matsui ,  Hiroyuki Takeuchi ,  Yasuhiro Kubo ,  Fusayuki Takeshita ,  Etsuo Nakagawa

发明人： Takashi Kato ,  Tomoyuki Kondo ,  Henry Bernhardt ,  Shuichi Matsui ,  Hiroyuki Takeuchi ,  Yasuhiro Kubo ,  Fusayuki Takeshita ,  Etsuo Nakagawa

IPC分类号： C09K1934

CPC分类号： C09K19/3491 ,  C07C17/2635 ,  C07C25/18 ,  C07C25/24 ,  C07C45/515 ,  C07C45/60 ,  C07F7/0896 ,  C09K19/0403 ,  C09K19/12 ,  C09K19/3001 ,  C09K19/3003 ,  C09K19/3402 ,  C09K19/3444 ,  C09K19/3458 ,  C09K19/406 ,  C09K19/42 ,  C09K2019/0407 ,  C09K2019/0444 ,  C09K2019/3027 ,  C09K2019/3422 ,  Y10T428/10 ,  C07C49/753 ,  C07C47/277

摘要： Liquid crystalline compounds having a large negative &Dgr;∈ low viscosity, a large K33/K11 value, a small &Dgr;∈/&Dgr;⊥ and mutually excellent solubility even at low temperature, compositions containing at least one of the compounds and liquid crystal display devices containing such a liquid crystal compositions are disclosed.

摘要翻译： 具有大的负ΔΔε低粘度，大的K33 / K11值，小的Δε/Δ⊥和即使在低温也相互优异的溶解性的液晶化合物，含有至少一种化合物和含有这些化合物的液晶显示装置 公开了一种液晶组合物。