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21. 发明授权

US06844032B2 Liquid crystal compounds having bis(trifluoromethyl) phenyl rings, liquid crystal compositions and liquid crystal display devices 有权
标题翻译：具有双（三氟甲基）苯环，液晶组合物和液晶显示装置的液晶化合物
公开(公告)号：US06844032B2
公开(公告)日：2005-01-18
申请号：US10108712
申请日：2002-03-29
申请人： Kazutoshi Miyazawa , Takashi Kato , Yasuhiro Kubo , Kanetsugu Terashima
发明人： Kazutoshi Miyazawa , Takashi Kato , Yasuhiro Kubo , Kanetsugu Terashima
IPC分类号： G02F1/13 , C07C43/225 , C07C69/753 , C07D213/30 , C07D237/08 , C07D239/26 , C07D319/06 , C09K19/04 , C09K19/12 , C09K19/14 , C09K19/20 , C09K19/30 , C09K19/34 , C07D213/78 , C07D239/02
CPC分类号： C09K19/0403 , C09K2019/0407 , Y10T428/10
摘要： The compound (1) having 2,3-bis(trifluoromethyl)-1,4-phenylene is stable chemically and has excellent miscibility with other liquid crystal compounds, large and negative dielectric anisotropy and proper optical anisotropy. A liquid crystal composition comprising the compound has large specific resistance and a large voltage holding ratio, and that the composition is useful for a liquid crystal display element. The compound (1) is represented by formula (1): RaA1—Z1)m—(A2—Z2n—A3—Z3—A4—Rb (1) wherein Ra and Rb independently are alkyl having 1 to 20 carbons, any —CH2— in the alkyl may be replaced by —O—, —S—, —CH═CH—, or —C≡C—, and any hydrogen may be replaced by halogen; A1, A2, A3, and A4 independently are 1,4-cyclohexylene, 1,4-cyclohexenylene, 1,3-dioxane-2,5-diyl, 1,4-phenylene, pyridine-2,5-diyl, pyrimidine-2,5-diyl, pyridazine-3,6-diyl, or 2,3-bis(trifluoromethyl)-1,4-phenylene, any hydrogen in these rings may be replaced by halogen, and at least one of A1, A2, A3, and A4 is 2,3-bis(trifluoromethyl)-1,4-phenylene; Z1, Z2 and Z3 independently are a single bond, —(CH2)2—, —(CF2)2—, —COO—, —OCO—, —CH2O—, —OCH2—, —CF2O—, —OCF2—, —CH═CH—, —CF═CF—, —C≡C—, —(CH2)4—, —(CH2)3O—, or —O(CH2)3—; m and n independently are 0 or 1.
摘要翻译：具有2,3-双（三氟甲基）-1,4-亚苯基的化合物（1）化学稳定且与其它液晶化合物具有优异的混溶性，具有大的和负的介电各向异性和适当的光学各向异性。包含该化合物的液晶组合物具有大的电阻率和较大的电压保持率，并且该组合物可用于液晶显示元件。化合物（1）由式（1）表示：其中R a和R b独立地是具有1至20个碳的烷基，该烷基中的任何-CH 2 - 可以被-O - ， - S - ， - CH = CH- ，或-C = C-，并且任何氢可以被卤素取代; A1，A2，A3和A4独立地为1,4-亚环己基，1,4-亚环己烯基，1,3-二恶烷-2,5-二基，1,4-亚苯基，吡啶-2,5-二基， 2,5-二基，哒嗪-3,6-二基或2,3-双（三氟甲基）-1,4-亚苯基，这些环中的任何氢可以被卤素取代，并且至少一个A1，A2， A3和A4是2,3-双（三氟甲基）-1,4-亚苯基; Z 1，Z 2和Z 3独立地是单键， - （CH 2）2 - ， - （CF 2）2 - ， - COO - ， - OCO - ， - CH 2 O - ， - OCH 2 - ， - CH = CH-，-CF = CF-，-C = C - ， - （CH 2）4 - ， - （CH 2）3 O-或-O（CH 2） m和n独立地为0或1。

22. 发明授权

US5439613A Liquid crystal composition 失效
标题翻译：液晶组成
公开(公告)号：US5439613A
公开(公告)日：1995-08-08
申请号：US173068
申请日：1993-12-27
申请人： Fusayuki Takeshita , Taku Hirose , Kanetsugu Terashima , Sinichi Sawada
发明人： Fusayuki Takeshita , Taku Hirose , Kanetsugu Terashima , Sinichi Sawada
IPC分类号： C09K19/30 , C09K19/42 , C09K19/50 , C09K19/58 , G02F1/13 , C09K19/12 , C09K19/32
CPC分类号： C09K19/50 , C09K19/3001 , C09K19/586
摘要： A liquid crystal composition which is a liquid crystal mixture of an achiral liquid crystal compound of the following formula (IV) with a chiral compound having an adsorptivity to adsorbents, not greater than that of the achiral compound: ##STR1## wherein six-membered rings A', B', C' and D' each independently are trans-1,4-cyclohexylene, 1-cyclohexene-1,4-diyl or 1,4-phenylene; g, h and i each are 0 or 1; (g+h+i).gtoreq.1; X', Y' and Z' each independently are a single bond, --CH.sub.2 --CH.sub.2 --, --CH.dbd.CH-- or --C.tbd.C--; R.sup.7 is C.sub.n H.sub.2n+1 --, C.sub.n H.sub.2n-1 or C.sub.n H.sub.2n+1 OC.sub.k H.sub.2k --; R.sup.8 is C.sub.m H.sub.2m+1 --, C.sub.m H.sub.2m+1 O--, F, CHF.sub.2 O or CF.sub.3 O--; n and m each independently are an integer of 1 to 18; k is an integer of 1 to 17; (n+k) is 2 to 18; at least one of X', Y' and Z' is single bond; when ring D' is 1,4-phenylene and R.sup.8 is F, CHF.sub.2 O-- or CF.sub.3 O--, then H at ortho position as regards R.sup.8 may be replaced by F; and when g is 1 and ring B' or C' is 1,4-phenylene, then H at the lateral position of the ring may be replaced by F.
摘要翻译：作为下式（IV）的非手性液晶化合物与对吸附剂具有吸附性的手性化合物的液晶混合物的液晶组合物，不大于非手性化合物：“IMAGE”D“各自独立地为反式-1,4-亚环己基，1-环己烯-1,4-二基或1,4-亚苯基; g，h和i各自为0或1; （g + h + i）> / = 1; X'，Y'和Z'各自独立地为单键，-CH 2 -CH 2 - ， - CH = CH-或-CB 3 C-; R7是CnH2n + 1-，CnH2n-1或CnH2n + 1OCkH2k-; R8是CmH2m + 1-，CmH2m + 10，F，CHF2O或CF3O-; n和m各自独立地为1至18的整数; k为1〜17的整数。（n + k）为2〜18; X'，Y'和Z'中的至少一个是单键; 当环D'为1,4-亚苯基且R8为F，CHF2O-或CF3O-时，则关于R8的邻位的H可被F取代; 当g为1且环B'或C'为1,4-亚苯基时，则环的横向位置的H可以被F替代。

23. 发明授权

US5198150A Ferroelectric liquid crystal composition 失效
公开(公告)号：US5198150A
公开(公告)日：1993-03-30
申请号：US397420
申请日：1989-08-16
申请人： Fusayuki Takeshita , Makoto Kikuchi , Mitsuyoshi Ichihashi , Kanetsugu Terashima , Kenjii Furukawa
发明人： Fusayuki Takeshita , Makoto Kikuchi , Mitsuyoshi Ichihashi , Kanetsugu Terashima , Kenjii Furukawa
IPC分类号： G02F1/137 , C09K19/00 , C09K19/10 , C09K19/34 , C09K19/42 , C09K19/44 , C09K19/46 , C09K19/54 , G02F1/13 , G02F1/141
CPC分类号： C09K19/42 , C09K19/44 , C09K19/46
摘要： A ferroelectric liquid crystal composition is provided which includes at least one achiral compound represented by formula (I) ##STR1## wherein each of R.sup.1 and R.sup.2 is an alkyl group having 1 to 18 carbon atoms, at least one optically active compound represented by formula (II) ##STR2## wherein R.sup.3 is an alkyl group or an alkoxy group having 1 to 18 carbon atoms, R.sup.4 is an alkyl group having 2 to 18 carbon atoms, X is a single bond, --COO--, --OCO--, --N.dbd.CH--, --CH.dbd.N--, --OCH.sub.2 -- or --CH.sub.2 O--, each of m and n is an integer of 1 or 2, and the symbol * is an asymmetric carbon atom, and at least one compound represented by formula (III) ##STR3## wherein each of ##STR4## R.sup.5 is an alkyl group or an alkoxy group having 1 to 18 carbon atoms, Y is a single bond, --CH.sub.2 O-- or --OCH.sub.2 --, p is an integer of 0 or 1, and Z is an alkyl group having 1 to 18 carbon atoms or --C*H(CH.sub.3)--O--R.sup.6, wherein R.sup.6 is an alkyl group having 1 to 18 carbon atoms and the symbol * represents an asymmetric carbon atoms.

24. 发明授权

US5190691A Ferroelectric liquid crystal composition 失效
标题翻译：电磁液晶组合物
公开(公告)号：US5190691A
公开(公告)日：1993-03-02
申请号：US388500
申请日：1989-08-02
申请人： Makoto Kikuchi , Fusayuki Takeshita , Mitsuyoshi Ichihashi , Kanetsugu Terashima , Kenji Furukawa
发明人： Makoto Kikuchi , Fusayuki Takeshita , Mitsuyoshi Ichihashi , Kanetsugu Terashima , Kenji Furukawa
IPC分类号： G02F1/13 , C09K19/20 , C09K19/34 , C09K19/46 , G02F1/137 , G02F1/141
CPC分类号： C09K19/20 , C09K19/2021 , C09K19/46
摘要： The present invention provides a ferroelectric liquid crystal composition wherein the phase transition series of the composition assumes an order of isotropic liquid.fwdarw.cholesteric phase.fwdarw.chiral smectic C phase starting from the high temperature and to a switching element good in contrast, and memory properties using the same. The composition comprises a composition that contains a component A of a compound having the formula: ##STR1## and/or a compound having the formula: ##STR2## wherin R.sup.1 and R.sup.2 represent each an alkyl group having 1 to 18 carbon atoms;a component B of a compound of the formula: ##STR3## a component C of a compound of the formula: ##STR4## and a component D of a compound of the formula: ##STR5## wherein R.sup.3, R.sup.4, R.sup.5, R.sup.7, and R.sup.8 represent each an alkyl group or alkoxy group having 1 to 18 carbon atoms, x represents ##STR6## Y and Z represent each a hydrogen atom, or a halogen atom, n is an integer of 0 to 10, and * indicates an asymmetric carbon atom; andwith the proportion of said component A being 20 to 80 wt. %, that of the component B being 5 to 30 wt. %, that of said component C being 3 to 10 wt. %, and that of said component D being 3 to 20 wt. %, based on the total amount of said four components A, B, C and D.

25. 发明授权

US5076962A Ferroelectric chiral smectic liquid crystal composition 失效
标题翻译：电磁手电筒液晶组合物
公开(公告)号：US5076962A
公开(公告)日：1991-12-31
申请号：US836749
申请日：1986-03-06
申请人： Kenji Furukawa , Kanetsugu Terashima
发明人： Kenji Furukawa , Kanetsugu Terashima
IPC分类号： C09K19/20 , C09K19/22 , C09K19/46 , C09K19/48
CPC分类号： C09K19/46 , C09K19/20 , C09K19/2021 , C09K19/22 , C09K19/48
摘要： A ferroelectric chiral smectic liquid crystal composition containing two kinds of chiral smectic liquid crystal compound is provided. One of the said compounds shows twist sense of helix of right-handed and the other show twist sense of helix of left-handed and the direction of spontaneous polarization of component chiral smectic liquid crystal compounds is the same. This composition provides a liquid crystal display element which shows very quick response.
摘要翻译：提供含有两种手性近晶液晶化合物的铁电手性近晶液晶组合物。所述化合物之一表现为右旋螺旋扭曲感，另一种显示左旋螺旋扭曲感和组分手性近晶液晶化合物自发极化的方向是相同的。该组合物提供显示非常快速反应的液晶显示元件。

26. 发明授权

US5064568A Ferroelectric liquid crystal composition 失效
标题翻译：铁电液晶组成
公开(公告)号：US5064568A
公开(公告)日：1991-11-12
申请号：US276389
申请日：1988-11-25
申请人： Kanetsugu Terashima , Mitsuyoshi Ichihashi , Makoto Kikuchi , Fusayuki Takeshita , Kenji Furukawa
发明人： Kanetsugu Terashima , Mitsuyoshi Ichihashi , Makoto Kikuchi , Fusayuki Takeshita , Kenji Furukawa
IPC分类号： C09K19/54 , C09K19/04 , C09K19/34 , C09K19/42 , C09K19/44 , C09K19/46 , G02F1/13
CPC分类号： C09K19/46 , C09K19/04 , C09K19/3441
摘要： A ferroelectric liquid crystal composition is here provided which contains at least one chiral compound having an optical activity site group represented by the general formula (I) ##STR1## wherein R.sup.1 is a straight-chain or branched alkyl group or alkoxy group having 1 to 18 carbon atoms, and * indicates an asymmetric carbon atom, and at least one non-chiral compound having a smectic C phase, a smectic I phase, a smectic F phase, a smectic G phase, a smectic H phase, a smectic J phase or a smectic K phase. This composition has quick response properties and assumes an SC* phase in an extensive temperature range inclusive of room temperature. Furthermore, by using this composition, an optical switching element having quick responsiveness can be obtained.
摘要翻译：这里提供一种铁电液晶组合物，其含有至少一种具有由通式（I）表示的光学活性位点基团的手性化合物，其中R1是直链或支链烷基或具有 1〜18个碳原子，*表示不对称碳原子，以及至少一种具有近晶C相，近晶I相，近晶F相，近晶G相，近晶H相，近晶相的非手性化合物 J相或近晶相。该组合物具有快速的响应特性并且在包括室温的广泛温度范围内呈现SC *相。此外，通过使用该组合物，可以获得具有快速响应性的光学开关元件。

27. 发明授权

US4966727A Ferroelectric liquid crystal mixture for guest-host type display elements 失效
标题翻译：铁电液晶混合物为宾主型显示元件
公开(公告)号：US4966727A
公开(公告)日：1990-10-30
申请号：US124559
申请日：1987-11-24
申请人： Mitsuyoshi Ichihashi , Kanetsugu Terashima , Makoto Kikuchi , Fusayuki Takeshita , Kenji Furukawa
发明人： Mitsuyoshi Ichihashi , Kanetsugu Terashima , Makoto Kikuchi , Fusayuki Takeshita , Kenji Furukawa
IPC分类号： C09K19/00 , C09K19/02 , C09K19/46 , C09K19/60 , G02F1/141
CPC分类号： G02F1/141 , C09K19/0225 , C09K19/46
摘要： A ferroelectric smectic C liquid crystal mixture having a smectic A phase region within 30.degree. C. on the higher temperature side relative to a chiral smectic C phase and also having a tilt angle at its chiral smectic C phase in the range of 30.degree. to 60.degree..
摘要翻译：在相对于手性近晶C相的较高温度侧具有30℃以内的近晶相A区域的铁电体相C液晶混合物，并且在手性近晶C相的倾角在30°〜60°的范围内 DEG。

28. 发明授权

US4882086A Ferroelectric liquid crystal composition 失效
公开(公告)号：US4882086A
公开(公告)日：1989-11-21
申请号：US298989
申请日：1989-01-19
申请人： Kanetsugu Terashima , Mitsuyoshi Ichihashi , Makoto Kikuchi , Fusayuki Takeshita , Kenji Furukawa
发明人： Kanetsugu Terashima , Mitsuyoshi Ichihashi , Makoto Kikuchi , Fusayuki Takeshita , Kenji Furukawa
IPC分类号： G02F1/137 , C09K19/34 , C09K19/42 , C09K19/46
CPC分类号： C09K19/3463
摘要： A ferroelectric liquid crystal composition exhibiting SC* phase within a broad temperature range including room temperature and yet having cholesteric phase and further high-speed response properties and a light switching element using the above composition and having high-speed response properties are provided, which composition comprises an achiral compound expressed by the formula ##STR1## wherein R.sup.1 and R.sup.2 each represent the same or different linear or branched chain alkyl group of 1 to 18 carbon atoms, in 20 to 70% by weight and having cholesteric phase; and which composition may further comprise at least one member of optically active compounds selected from four specified pyrimidine compounds.

29. 发明授权

US4882083A Smectic liquid crystal mixture 失效
标题翻译：近晶液晶混合物
公开(公告)号：US4882083A
公开(公告)日：1989-11-21
申请号：US200016
申请日：1988-05-27
申请人： Kanetsugu Terashima , Mitsuyoshi Ichihashi , Fusayuki Takeshita , Makoto Kikuchi , Kenji Furukawa
发明人： Kanetsugu Terashima , Mitsuyoshi Ichihashi , Fusayuki Takeshita , Makoto Kikuchi , Kenji Furukawa
IPC分类号： C09K19/42 , C09K19/34 , C09K19/46 , C09K19/54 , G02F1/13 , G02F1/137
CPC分类号： C09K19/3458
摘要： A smectic C liquid crystal mixture having a broad smectic C phase temperature range including room temperature, a ferroelectric smectic C liquid crystal mixture having a large spontaneous polarization, comprising the above smectic C mixture and at least one optically active compound, and a liquid crystal display element having an improved response time, containing the above ferroelectric smectic C liquid crystal mixture are provided, which smectic C liquid crystal mixture comprises(1) at least two components at least one of which is a pyrimidine compound expressed by the formula ##STR1## wherein R.sup.1 represents a linear alkyl group of 4 to 20 carbon atoms and R.sup.2 represents a linear alkyl group having 7-20 carbons and having a smectic C phase;(2) at least one pyrimidine compound of the formula (I) and at least one pyrimidine compound expressed by the formula ##STR2## wherein R.sup.3 represents a linear alkyl group of 6 to 12 carbon atoms and R.sup.4 represents a linear alkyl group having 8 to 11 carbons and having a smectic C phase; or(3) at least one pyrimidine compound of the formula (I) and at least one biphenylpyrimidine compound expressed by the formula ##STR3## wherein R.sup.5 and R.sup.6 each are a linear alkyl or alkoxy group each having 1-18 carbons.

30. 发明授权

US4780242A Halogen-containing, optically active liquid crystal compound and liquid crystal composition containing same 失效
标题翻译：含卤素的光学活性液晶化合物和含有其的液晶组合物
公开(公告)号：US4780242A
公开(公告)日：1988-10-25
申请号：US838561
申请日：1986-03-11
申请人： Kazutoshi Miyazawa , Hiromichi Inoue , Shinichi Saito , Takashi Inukai , Kanetsugu Terashima , Mitsuyoshi Inchihashi
发明人： Kazutoshi Miyazawa , Hiromichi Inoue , Shinichi Saito , Takashi Inukai , Kanetsugu Terashima , Mitsuyoshi Inchihashi
IPC分类号： G02F1/13 , C07C69/773 , C09K19/20 , C09K19/46 , C07C69/76 , C09K19/12 , C09K19/52
CPC分类号： C09K19/46 , C09K19/2021
摘要： A novel optically active liquid crystal compound and a liquid crystal composition containing the same are provided, which compound is expressed by the formula ##STR1## wherein R.sub.1 is alkyl or alkoxy of 4-18 C; R.sub.2 is alkyl, alkoxy, acyl or alkoxymethyl of 4-18 C; but either one of R.sub.1 or R.sub.2 is an optically active group; either one of X.sub.1 or X.sub.2 is halogen atom and the other is H; m and n each are 0 or 1 and m+n is 0 or 1.
摘要翻译：提供了一种新型的光学活性液晶化合物和含有它们的液晶组合物，该化合物由式（Ⅰ）表示，其中R1是4-18C的烷基或烷氧基; R2是4-18C的烷基，烷氧基，酰基或烷氧基甲基; 但R 1或R 2中的任一个为光学活性基团; X1或X2中的任一个是卤素原子，另一个是H; m和n各自为0或1，m + n为0或1。

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