公开(公告)号：EP0765926A4

公开(公告)日：1997-12-10

申请号：EP96909355

申请日：1996-04-12

申请人： CHISSO CORP

发明人： KONDO TOMOYUKI ,  HASEBA YASUHIRO ,  KOIZUMI YASUYUKI ,  MIYAZAWA KAZUTOSHI ,  HACHIYA NORIHISA ,  NAKAGAWA ETSUO

IPC分类号： C07C43/225 ,  C07C69/75 ,  C07C69/757 ,  C07C69/76 ,  C07C69/773 ,  C07C69/92 ,  C07D239/26 ,  C07D239/28 ,  C07D319/06 ,  C09K19/04 ,  C09K19/20 ,  C09K19/30 ,  C09K19/42 ,  C09K19/46 ,  G02F1/13

CPC分类号： C07D239/26 ,  C07C43/225 ,  C07C69/75 ,  C07C69/757 ,  C07C69/76 ,  C07C69/92 ,  C07C2601/14 ,  C07D239/28 ,  C07D319/06 ,  C09K19/0403 ,  C09K19/2007 ,  C09K19/3001 ,  C09K19/3066 ,  C09K19/3068 ,  C09K19/42 ,  C09K19/46 ,  C09K2019/0407 ,  C09K2019/0444 ,  Y10T428/10 ,  Y10T428/1036 ,  Y10T428/1055

摘要： A liquid-crystal composition containing a compound represented by general formula (1) as the first component and a compound represented by any of general formulae (2-1 to 2-6) as the second component. The composition satisfies various characteristics required of liquid-crystal compositions for preparing active-matrix liquid-crystal display devices and has a reduced threshold voltage, an excellent low-temperature compatibility and a wide nematic-phase range.

摘要翻译： 一种液晶组合物，其含有通式（1）所示的化合物作为第一成分和通式（2-1〜2-6）中的任一通式所示的化合物作为第二成分。 该组合物满足用于制备有源矩阵液晶显示装置的液晶组合物所需的各种特性，并且具有降低的阈值电压，优异的低温相容性和宽的向列相范围。

公开(公告)号：EP0945418A4

公开(公告)日：2001-02-28

申请号：EP97913458

申请日：1997-11-27

申请人： CHISSO CORP

发明人： KONDO TOMOYUKI ,  MATSUI SHUICHI ,  MIYAZAWA KAZUTOSHI ,  TAKEUCHI HIROYUKI ,  TAKESHITA FUSAYUKI ,  NAKAGAWA ETSUO

IPC分类号： C07C25/18 ,  C07C43/225 ,  C09K19/12 ,  C09K19/14 ,  C09K19/20 ,  C09K19/42 ,  C09K19/44 ,  C09K19/46 ,  C07C43/174 ,  C09K19/10 ,  G02F1/13

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： Liquid crystal compounds which exhibit not only a negative anisotropy of permittivity but also extremely high voltage retention and low threshold voltages, are reduced in the temperature dependence of these properties, difficultly exhibit a smectic phase, and are excellent in compatibility with other liquid crystal materials; liquid crystal compositions containing the same; and liquid crystal displays made by using the compositions. The compounds are represented by general formula (1).

公开(公告)号：EP0959061A4

公开(公告)日：2000-08-23

申请号：EP97913430

申请日：1997-11-21

申请人： CHISSO CORP

发明人： KONDO TOMOYUKI ,  MATSUI SHUICHI ,  MIYAZAWA KAZUTOSHI ,  TAKEUCHI HIROYUKI ,  TAKESHITA FUSAYUKI ,  NAKAGAWA ETSUO

IPC分类号： C07C25/18 ,  C07C43/192 ,  C07C43/225 ,  C09K19/04 ,  C09K19/12 ,  C09K19/14 ,  C09K19/30 ,  C09K19/42 ,  C09K19/08 ,  G02F1/13

CPC分类号： C09K19/12 ,  C07C25/18 ,  C07C43/192 ,  C07C43/225 ,  C09K19/0403 ,  C09K19/14 ,  C09K19/3003 ,  C09K19/3066 ,  C09K19/42 ,  C09K2019/0407

摘要： Liquid crystal compounds which exhibit not only negative anisotropy of permittivity but also extremely high voltage retention and low threshold voltages, are extremely reduced in the temperature dependence of these properties, difficultly exhibit a smectic phase, and are excellent in compatibility with other liquid crystal materials; liquid crystal compositions containing them; and liquid crystal display elements made by using the compositions. The compounds are specific 3,3'-difluorobiphenyl derivatives represented by general formula (1).

公开(公告)号：EP0926120A4

公开(公告)日：1999-10-13

申请号：EP97924341

申请日：1997-06-06

申请人： CHISSO CORP

发明人： KONDO TOMOYUKI ,  MATSUI SHUICHI ,  MIYAZAWA KAZUTOSHI ,  TAKEUCHI HIROYUKI ,  TAKESHITA FUSAYUKI ,  NAKAGAWA ETSUO

IPC分类号： G02F1/13 ,  C07C43/192 ,  C07C43/225 ,  C07C255/46 ,  C07C255/50 ,  C07C323/10 ,  C07D239/26 ,  C07D319/06 ,  C09K19/04 ,  C09K19/12 ,  C09K19/14 ,  C09K19/20 ,  C09K19/30 ,  C09K19/34 ,  C09K19/42 ,  C09K19/46

CPC分类号： C09K19/3001 ,  C07C43/225 ,  C07C2601/14 ,  C07C2601/16 ,  C09K19/04 ,  C09K19/14 ,  C09K19/3028 ,  C09K19/42 ,  C09K19/46 ,  Y10T428/10

摘要： Liquid-crystal compounds which are excellent in compatibility with other liquid-crystal materials particularly even at low temperatures, have a high voltage retention and a low threshold voltage, are lowered in the temperature dependence of these characteristic values, have a high DELTA n value, and exhibit liquid-crystal properties over a wide temperature range, the compounds being represented by the general formula: Ra-A1-Z1-A2-Z2-(-A3-Z3-)m-A0-Rf (wherein m is 0 or 1; A0, A1, A2 and A3 are each a six-membered ring, with A0 being 1,4-phenylene which may be substituted with one to three fluorine and/or chlorine atoms and A1, A2 and A3 being selected each independently from among trans-1,4-cyclohexane, optionally halogenated 1,4-phenylene, cyclohexene-1,4-diyl and 1,3-dioxane-2,5-diyl; Z1, Z2 and Z3 are each independently a bridge between rings and selected from among -(CH2)2-, -(CH2)4-, -CH2O- and -OCH2- which may be halogenated, and single bond (-); Rf is -OCF2CF2H or -OCF2CFHCF3; and Ra is a C1-C20 linear or branched monovalent organic group); liquid-crystal compositions comprising at least one of the compounds; and liquid-crystal display devices made by using the compositions.

摘要翻译： 特别是即使在低温下也与其他液晶材料具有优异的相容性的液晶化合物具有高电压保持率和低阈值电压，这些特性值的温度依赖性降低，具有高Δn值， 并且在宽的温度范围内表现出液晶性能，所述化合物由通式：Ra-A1-Z1-A2-Z2-（ - A3-Z3-）m-A0-Rf表示（其中m为0或1 ; A 0，A 1，A 2和A 3各自是六元环，A 0是可以被1-3个氟和/或氯原子取代的1,4-亚苯基，并且A 1，A 2和A 3各自独立地选自 反式-1,4-环己烷，任选卤化的1,4-亚苯基，环己烯-1,4-二基和1,3-二氧杂环己烷-2,5-二基; Z 1，Z 2和Z 3各自独立地为环之间的桥并且选自 （ - ）; - （CH 2）2 - ， - （CH 2）4 - ， - CH 2 O-和-OCH 2 - 可以被卤化，R f为-OCF 2 CF 2 H或-OCF 2 CFHCF 3; - d Ra是C 1 -C 20直链或支链一价有机基团）; 包含至少一种所述化合物的液晶组合物; 以及使用该组合物制成的液晶显示装置。

公开(公告)号：EP0820976A4

公开(公告)日：1998-04-15

申请号：EP96909354

申请日：1996-04-12

申请人： CHISSO CORP

发明人： KONDO TOMOYUKI ,  HASEBA YASUHIRO ,  KOIZUMI YASUYUKI ,  MIYAZAWA KAZUTOSHI ,  HACHIYA NORIHISA ,  NAKAGAWA ETSUO

IPC分类号： C07C43/225 ,  C07C69/75 ,  C07C69/757 ,  C07C69/76 ,  C07C69/773 ,  C07C69/92 ,  C07D239/26 ,  C07D239/28 ,  C07D319/06 ,  C09K19/04 ,  C09K19/20 ,  C09K19/30 ,  C09K19/42 ,  C09K19/46 ,  C07C43/192 ,  C07C69/753 ,  C07C69/86 ,  C07C69/88 ,  C07D213/55 ,  C07D213/79

CPC分类号： C07D239/26 ,  C07C43/225 ,  C07C69/75 ,  C07C69/757 ,  C07C69/76 ,  C07C69/92 ,  C07C2601/14 ,  C07D239/28 ,  C07D319/06 ,  C09K19/0403 ,  C09K19/2007 ,  C09K19/3001 ,  C09K19/3066 ,  C09K19/3068 ,  C09K19/42 ,  C09K19/46 ,  C09K2019/0407 ,  C09K2019/0444 ,  Y10T428/10 ,  Y10T428/1036 ,  Y10T428/1055

摘要： A novel liquid-crystal compound represented by general formula (1), which is highly dielectrically anisotropic, reduced in the temperature dependence of threshold voltage, and improved in the solubility in other liquid-crystal materials at low temperature,(wherein R is C1-C10 alkyl, alkoxy or the like; m and n are each independently O or 1; A1, A2 and A3 are each independently trans-1,4-cyclohexylene, 1,4-phenylene wherein one or more hydrogen atoms on the ring may be replaced by fluorine atoms, or the like; Z1, Z2 and Z3 are each indepentently -C00-, -0C0-, -(CH2)2-, -CH20-, -0CH2- or a covalent bond, with at least one of them being an ester linkage, -CH20- or -0CH2-; X is CF3, CF2H or the like; and Y is H or F); and a liquid-crystal composition and liquid-crystal display device prepared by using this compound.

摘要翻译： 本发明的目的在于提供一种新型的液晶化合物，其介电各向异性大，阈值电压随温度变化小，并且在低温下对其它液晶材料的溶解度提高，并由下述通式（ 1）：其中R表示例如具有1至10个碳原子的烷基或烷氧基，m和n独立地为0或1，A1，A2和A3独立地为例如反式-1 4-环己基，1,4-亚环己基，其中一个或多个氢原子可被F，Z 1，Z 2和Z 3代替，可以独立地表示-COO - ， - OCO - ， - （CH 2）2 - ，-CH 2 O-，-OCH 2 - 或共价键，条件是Z 1，Z 2和Z 3中的至少一个表示酯键，-CH 2 O-或-OCH 2 - ，X表示例如CF 3，CF 2 H和Y 代表H或F.本发明的另一个目的是提供一种含有液晶化合物的液晶组合物。

公开(公告)号：EP0808825A4

公开(公告)日：1998-04-01

申请号：EP96901952

申请日：1996-02-07

申请人： CHISSO CORP

发明人： MATSUI SHUICHI ,  KONDO TOMOYUKI ,  MIYAZAWA KAZUTOSHI ,  OHNISHI NORIYUKI ,  GOTO YASUYUKI ,  NAKAGAWA ETSUO ,  SAWADA SHINICHI

IPC分类号： C07C69/76 ,  C07C69/773 ,  C07C69/90 ,  C07C69/94 ,  C09K19/20 ,  C09K19/30 ,  C09K19/46 ,  C07C69/86

CPC分类号： C07C69/76 ,  C07C69/90 ,  C07C69/94 ,  C09K19/2007 ,  C09K19/3001 ,  C09K19/3068 ,  C09K19/46 ,  Y10T428/10

摘要： Liquid crystal compositions containing at least one phenyl benzoate derivative represented by general formula (1), wherein R represents hydrogen, C1-C10 alkyl, etc.; X represents hydrogen or halogeno; A and B represent each independently 1,4-phenylene, trans-1,4-cyclohexylene, etc.; Z1 and Z2 represent each independently -CH2CH2-, -CO-O-, covalent bond, etc.; and m and n represent each independently 0 or 1.

公开(公告)号：EP0785179A4

公开(公告)日：1998-02-25

申请号：EP95932213

申请日：1995-09-22

申请人： CHISSO CORP

发明人： MATSUI SHUICHI ,  KONDO TOMOYUKI ,  MIYAZAWA KAZUTOSHI ,  GOTO YASUYUKI ,  NAKAGAWA ETSUO ,  SAWADA SHINICHI

IPC分类号： C07C17/12 ,  C07C17/26 ,  C07C17/354 ,  C07C25/18 ,  C07C45/29 ,  C07C45/59 ,  C07C45/62 ,  C07C45/68 ,  C09K19/14 ,  C09K19/30 ,  C09K19/42 ,  G02F1/13

CPC分类号： C07C17/12 ,  C07C17/263 ,  C07C17/2632 ,  C07C17/2635 ,  C07C17/354 ,  C07C25/18 ,  C07C45/29 ,  C07C45/59 ,  C07C45/62 ,  C07C45/68 ,  C09K19/3001 ,  C09K19/3003 ,  C09K19/3028 ,  C07C25/24 ,  C07C47/546 ,  C07C49/657 ,  C07C49/683

摘要： A tetracyclic chlorobenzene derivative represented by general formula (I) and being suitable for use in active-matrix display elements and a liquid-crystal composition containing the same (wherein each of rings A, B and C independently represents trans-1,4-cyclohexylene, etc.; each of Z1, Z2 and Z3 represents -CH2CH2- or a covalent bond provided that at least one thereof is -CH2CH2-; each of L1 and L2 represents H, etc.; and R represents C1-C10 alkyl, etc.; provided that the ring A is 1,4-phenylene when Z1 and Z3 are covalent bonds and Z2 is -CH2CH2- and is trans-1,4-cyclohexylene when Z1 and Z2 are covalent bonds and Z3 is -CH2CH2- and that the rings B and C cannot be 1,4-phenylene). This compound has large values of refractive index and permittivity anisotropies, exhibits a liquid-crystal phase in a wide temperature range, is excellent in low-temperature compatibility with known liquid-crystal compounds and provides a liquid-crystal composition suitable of, especially, TFT drive.