公开(公告)号：EP0315455A2

公开(公告)日：1989-05-10

申请号：EP88310369.9

申请日：1988-11-03

申请人： Chisso Corporation

发明人： Terashima, Kanetsugu ,  Ichihashi, Mitsuyoshi ,  Kikuchi, Makoto ,  Takeshita, Fusayuki ,  Furukawa, Kenji

IPC分类号： C09K19/34 ,  C09K19/42 ,  C09K19/46

CPC分类号： C09K19/46 ,  C09K19/3463

摘要： A ferroelectric liquid crystal comprises (i) one or more chiral compounds of the formula:
(in which R¹ and R² are each a straight or branched alkyl, alkoxy, alkoxyalkoxy, alkoxycarbonyl, alkanoyl or alkanoyloxy group containing up to 18 carbon atoms and at least one of R¹ and R² has an asymmetric carbon atom in the alkyl chain moiety thereof); and (ii) one or more chiral compounds having a spontaneous polarization value of 40 nC/cm² or more.

摘要翻译： 铁电液晶包含（i）一种或多种下式的手性化合物：其中R 1和R 2各自为直链或支链烷基，烷氧基，烷氧基烷氧基，烷氧基羰基，烷酰基或烷酰氧基 含有至多18个碳原子，R 1和R 2中的至少一个在其烷基链部分具有不对称碳原子）; 和（ii）一种或多种自发极化值为40nC / cm 2以上的手性化合物。

公开(公告)号：EP0632116A1

公开(公告)日：1995-01-04

申请号：EP94110196.6

申请日：1994-06-30

申请人： CHISSO CORPORATION ,  SHARP KABUSHIKI KAISHA

发明人： Murashiro, Katsuyuki ,  Okabe, Eiji ,  Kikuchi, Makoto ,  Tanabe, Mayumi ,  Fukushima, Masatoshi ,  Saito, Shinichi ,  Takeda, Hitoshi ,  Shiomi, Makoto ,  Kaneko, Takashi ,  Matsuki, Motonari ,  Koden, Mitsuhiro

IPC分类号： C09K19/34 ,  G02F1/137 ,  C09K19/02

CPC分类号： C09K19/0225 ,  C09K19/34 ,  G02F1/1416 ,  G09G3/3629 ,  G09G2310/06

摘要： 57 A composition containing a smectic C compound, having a Δε of negative value and enabling to effect a high speed response ; a ferroelectric chiral smectic C liquid crystal composition using the same ; and a ferroelectric liquid crystal display device using the ferroelectric chiral smectic C liquid crystal composition are provided,
which composition containing a smectic C compound comprises at least one compound expressed by the formula (I)
wherein R 1 and R 2 each represent different linear alkyl groups of 1 to 9 C, and at least one compound expressed by the formula (II)
wherein R 3 and R 4 each represent the dame or different linear alkyl groups of 1 to 18 C and X is H or F.

摘要翻译： 含有层状C化合物的组合物，具有负值的DELTAε并能够实现高速响应; 使用其的铁电手性近晶C液晶组合物; 并提供使用铁电手性近晶C液晶组合物的铁电液晶显示装置，含有层状C化合物的组合物包含至少一种式（I）表示的化合物，其中R 1和R 2均为 各自表示1〜9个C的不同的直链烷基，并且至少一种由式（II）表示的化合物其中R 3和R 4各自表示1〜 18 C，X为H或F.

公开(公告)号：EP0383261B1

公开(公告)日：1993-12-15

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

公开(公告)号：EP0345091B1

公开(公告)日：1993-12-01

申请号：EP89305606.9

申请日：1989-06-02

申请人： Chisso Corporation

发明人： Takeshita, Fusayuki ,  Kikuchi, Makoto ,  Ichihashi, Mitsuyoshi ,  Terashima, Kanetsugu ,  Furukawa, Kenji

IPC分类号： C09K19/34 ,  C09K19/42 ,  C09K19/46

CPC分类号： C09K19/46 ,  C09K19/3455 ,  C09K19/42

公开(公告)号：EP0371448B1

公开(公告)日：1993-03-17

申请号：EP89121909.9

申请日：1989-11-28

申请人： Chisso Corporation

发明人： Terashima, Kanetsugu ,  Ichihashi, Mitsuyoshi ,  Kikuchi, Makoto ,  Takeshita, Fusayuki ,  Furukawa, Kenji

IPC分类号： C09K19/04 ,  C09K19/42 ,  C09K19/34

CPC分类号： C09K19/46 ,  C09K19/04 ,  C09K19/3441 ,  C09K19/3444 ,  C09K19/3455 ,  C09K19/3463 ,  C09K19/42

公开(公告)号：EP0421012B1

公开(公告)日：1992-12-30

申请号：EP89118516.7

申请日：1989-10-05

申请人： Chisso Corporation

发明人： Ichihashi, Mitsuyoshi ,  Terashima, Kanetsugu ,  Kikuchi, Makoto ,  Takeshita, Fusayuki ,  Furukawa, Kenji

IPC分类号： C09K19/20 ,  C09K19/46

CPC分类号： C09K19/20 ,  C09K19/2021 ,  C09K19/46

公开(公告)号：EP0458087A2

公开(公告)日：1991-11-27

申请号：EP91106830.2

申请日：1991-04-26

申请人： Chisso Corporation

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

IPC分类号： C09K19/34 ,  C09K19/42 ,  C09K19/44

CPC分类号： C07D239/26 ,  C09K19/3463

摘要： A ferroelectric liquid crystal composition having high speed response properties and exhibiting SC * phase within a broad temperature range including room temperature and a light-switching element using the composition are provided, which composition comprises the following components, A, B and C, each in a specified proportion:

Component A has the formula
wherein
R 1 and R 2 are same or different linear or branched alkyl, alkoxy or alkanoyloxy of 1-18C, X is H, halogen or CN, t, m and n are 0 or 1 and (ℓ + m + n) is 1 or 2, and has smectic C phase; Component B has the formula

摘要翻译： 本发明提供具有高速响应性并且在包括室温在内的宽温度范围内呈现SC *相的铁电液晶组合物以及使用该组合物的光切换元件，该组合物包含以下成分A，B和C 特定比例：组分A具有下式：其中R1和R2相同或不同，为1-18C的直链或支链烷基，烷氧基或烷酰氧基，X为H，卤素或CN，t，m和n为0或1， + m + n）为1或2，并具有近晶C相; 组分B具有公式

公开(公告)号：EP0454157A1

公开(公告)日：1991-10-30

申请号：EP91106829.4

申请日：1991-04-26

申请人： Chisso Corporation

发明人： Saito, Shinichi ,  Inoue, Hiromichi ,  Fukushima, Masatoshi ,  Terashima, Kanetsugu ,  Kikuchi, Makoto ,  Murashiro, Katsuyuki

IPC分类号： C07D239/26 ,  C09K19/34

CPC分类号： C07D239/26 ,  C09K19/3463

摘要： An alkylphenylalkylpyrimidine compound as a liquid crystal compound expressed by the formula (A)
wherein R 1 represents a linear or branched alkyl of 7 to 15 carbon atoms and R 2 represents a linear or branched alkyl of 9 to 16 carbon atoms, a liquid crystal composition and a light-switching element containing the same are provided.

摘要翻译： 作为由式（A）表示的液晶化合物的烷基苯基烷基嘧啶化合物其中R 1表示7〜15个碳原子的直链或支链烷基，R 2表示9〜16的直链或支链烷基 碳原子，液晶组合物和含有它们的光转换元件。

公开(公告)号：EP0345091A3

公开(公告)日：1991-03-13

申请号：EP89305606.9

申请日：1989-06-02

申请人： Chisso Corporation

发明人： Takeshita, Fusayuki ,  Kikuchi, Makoto ,  Ichihashi, Mitsuyoshi ,  Terashima, Kanetsugu ,  Furukawa, Kenji

IPC分类号： C09K19/34 ,  C09K19/42 ,  C09K19/46

CPC分类号： C09K19/46 ,  C09K19/3455 ,  C09K19/42

摘要： A ferroelectric liquid crystal composition having a negative dielectric anisotropy comprises at least two compounds, at least one of which is a compound of the formula:
in which R 1 and R 2 are each a linear or branched alkyl group, alkoxy group, alkanoyloxy group, alkoxycarbonyl group, alkoxycarbonyloxy group or alkanoyl group, each of 1 to 18 carbon atoms;
each represent
X 1 , X 2 and X 3 are each a hydrogen or halogen atom; P and Q are each 0 or 1; and P+Q is 0 or 1.

公开(公告)号：EP0322793A3

公开(公告)日：1991-01-09

申请号：EP88121591.7

申请日：1988-12-23

申请人： Chisso Corporation

发明人： Terashima, Kanetsugu ,  Ichihashi, Mitsuyoshi ,  Kikuchi, Makoto ,  Takeshita, Fusayuki ,  Furukawa, Kenji

IPC分类号： C09K19/46 ,  C09K19/44 ,  C09K19/30

CPC分类号： C09K19/46 ,  C09K19/3068 ,  C09K19/44

摘要： A ferroelectric liquid crystal composition having a negative large dielectric anisotropy value, AC stabilizing effect at low voltages and yet high-speed response properties and a light switching element using the composition are provided, which composition comprises at least two components at least one of which is a com­pound expressed by the formula
wherein R³ and R⁴ each represent the same or different linear or branched alkyl group of 1-18C and ℓ is 1 or 2 and having a negative dielectric anisotropy value,
a preferred embodiment of the above composition containing at least three components A, B and C, one of which is the above compound of the formula (A) and com­ponents B and C of which are each selected from a group of specified compounds, and the respective proportions of components A, B and C being 5-40 weight %, 20-70 weight % and 5-40 weight % based on the total weight of the three, respectively.