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1. 发明授权

US5755994A Ester derivative, liquid crystal composition and liquid crystal display element 失效
标题翻译：酯衍生物，液晶组合物和液晶显示元件
公开(公告)号：US5755994A
公开(公告)日：1998-05-26
申请号：US605776
申请日：1996-02-22
申请人： Tomoyuki Kondo , Shuichi Matsui , Yasuyuki Koizumi , Koichi Shibata , Yasuhiro Haseba , Norihisa Hachiya , Etsuo Nakagawa , Kazutoshi Miyazawa
发明人： Tomoyuki Kondo , Shuichi Matsui , Yasuyuki Koizumi , Koichi Shibata , Yasuhiro Haseba , Norihisa Hachiya , Etsuo Nakagawa , Kazutoshi Miyazawa
IPC分类号： C07C69/773 , C09K19/20 , C09K19/30 , C09K19/42 , C09K19/46 , C07C41/00 , C07C69/76
CPC分类号： C09K19/3068 , C09K19/2007 , C09K19/3001 , C09K19/42 , C09K19/46
摘要： A novel liquid crystalline compound having a large dielectric anisotropy value, a small change in the threshold voltage depending upon temperatures, and an improved solubility in other liquid crystal materials at low temperatures, and a liquid crystal composition containing the compound are provided, which liquid crystalline compound is expressed by the formula (1) ##STR1## wherein R is H or an alkyl group of 1 to 10C; l is an integer of 1 to 9; m, n and o are each independently 0 or 1; A.sub.1, A.sub.2 and A.sub.3 are each independently trans-1,4-cyclohexylene group, 1,4-phenylene group, one or more H atoms on the ring of which group may be replaced by F, or the like group; Z.sub.1, Z.sub.2 and Z.sub.3 are each independently --COO--, etc., but at least one of them is --COO--; X is CF.sub.3, etc.; and Y.sub.1, and Y.sub.2 are each independently H or F.
摘要翻译：提供了具有大的介电各向异性值，根据温度的阈值电压的小的变化以及在低温下在其它液晶材料中的溶解度的改进的新型液晶化合物和含有该化合物的液晶组合物，化合物由式（1）表示：其中R是H或1至10的烷基; l为1〜9的整数; m，n和o各自独立地为0或1; A1，A2和A3各自独立地为反式-1,4-亚环己基，1,4-亚苯基，其中一个或多个可被F取代基的H原子或类似基团; Z1，Z2和Z3各自独立地为-COO-等，但它们中的至少一个为-COO-; X是CF3等; Y1和Y2各自独立地为H或F.

2. 发明授权

US6051288A Fluorine-substituted liquid-crystal compound, liquid-crystal composition and liquid-crystal display device 失效
标题翻译：氟取代液晶化合物，液晶组合物和液晶显示装置
公开(公告)号：US6051288A
公开(公告)日：2000-04-18
申请号：US913022
申请日：1997-09-26
申请人： Tomoyuki Kondo , Yasuhiro Haseba , Yasuyuki Koizumi , Kazutoshi Miyazawa , Norihisa Hachiya , Etsuo Nakagawa
发明人： Tomoyuki Kondo , Yasuhiro Haseba , Yasuyuki Koizumi , Kazutoshi Miyazawa , Norihisa Hachiya , Etsuo Nakagawa
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 , C07D239/02 , C09K19/34 , G02F1/13
CPC分类号： C07D239/26 , C07C43/225 , C07C69/75 , C07C69/757 , C07C69/76 , C07C69/92 , C07D239/28 , C07D319/06 , C09K19/0403 , C09K19/2007 , C09K19/3001 , C09K19/3066 , C09K19/3068 , C09K19/42 , C09K19/46 , C07C2101/14 , C09K2019/0407 , C09K2019/0444 , Y10T428/10 , Y10T428/1036 , Y10T428/1055
摘要： An object of the present invention is to provide a novel liquid crystalline compound having a large dielectric anisotropy, small change in threshold voltage depending on temperature, and an improved solubility to other liquid crystal materials at low temperatures, and expressed by the following general formula (1): ##STR1## wherein R represents, for example, an alkyl group or alkoxy group having 1 to 10 carbon atoms, m and n are independently 0 or 1, A.sub.1, A.sub.2, and A.sub.3 are independently, for example, trans-1,4-cyclohexylene group, 1,4-phenylene group one or more hydrogen atoms on the ring of which may be replaced by F, Z.sub.1, Z.sub.2, and Z.sub.3 independently represent --COO--, --OCO--, --(CH.sub.2).sub.2 --, --CH.sub.2 O--, --OCH.sub.2 --, or a covalent bond provided that at least one of Z.sub.1, Z.sub.2, and Z.sub.3 represents ester bond, --CH.sub.2 O--, or --OCH.sub.2 --, X represents, for example, CF.sub.3, CF.sub.2 H, and Y represents H or F. Another object of the present invention is to provide a liquid crystal composition containing the liquid crystalline compound.
摘要翻译： PCT No.PCT / JP96 / 01010 Sec。 371日期：1997年9月26日 102（e）日期1997年9月26日PCT提交1996年4月12日PCT公布。 WO96 / 32365 PCT公开号日本特开1996年10月17日本发明的目的是提供一种新型液晶化合物，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，并表现为以下通式（1）：其中R表示例如具有1-10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-亚环己基，其环上一个或多个氢原子的1,4-亚苯基可以被F，Z 1，Z 2和Z 3代替，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， Y表示H或F.本发明的另一个目的是提供一种含有液晶com的液晶组合物磅。

3. 发明授权

US5820784A Liquid crystal compostion and liquid crystal display device 失效
标题翻译：液晶组合液晶显示装置
公开(公告)号：US5820784A
公开(公告)日：1998-10-13
申请号：US606032
申请日：1996-02-22
申请人： Tomoyuki Kondo , Shuichi Matsui , Yasuyuki Koizumi , Koichi Shibata , Yasuhiro Haseba , Norihisa Hachiya , Etsuo Nakagawa , Kazutoshi Miyazawa
发明人： Tomoyuki Kondo , Shuichi Matsui , Yasuyuki Koizumi , Koichi Shibata , Yasuhiro Haseba , Norihisa Hachiya , Etsuo Nakagawa , Kazutoshi Miyazawa
IPC分类号： C07C69/773 , C09K19/20 , C09K19/30 , C09K19/42 , C09K19/46
CPC分类号： C09K19/3068 , C09K19/2007 , C09K19/3001 , C09K19/42 , C09K19/46
摘要： A liquid crystal composition is disclosed which contains, as the first component, at least one compound expressed by the formula (I-a) or (I-b) and contains, as the second component, at least one compound expressed by any one of the formulas (II-a) to (II-g), each of the formulas being recited in the specification. According to the present invention, a liquid crystal composition which is particularly excellent in compatibility in low temperatures, and has a suitably large .DELTA.n and a small V.sub.th can be provided while satisfying several characteristics required for liquid crystal compositions for AM-LCD.
摘要翻译：公开了一种液晶组合物，其含有作为第一组分的由式（Ia）或（Ib）表示的至少一种化合物，并且含有作为第二组分的至少一种式（II -a）至（II-g），每个式在本说明书中叙述。根据本发明，可以提供在AM-LCD液晶组合物中满足几种特性的情况下，可以提供在低温下相容性特别优异且具有适当大的ΔTAn和小Vth的液晶组合物。

4. 发明授权

US5733477A Liquid crystal composition and liquid crystal display element 失效
标题翻译：液晶组成和液晶显示元件
公开(公告)号：US5733477A
公开(公告)日：1998-03-31
申请号：US750326
申请日：1996-12-05
申请人： Tomoyuki Kondo , Yasuhiro Haseba , Yasuyuki Koizumi , Kazutoshi Miyazawa , Norihisa Hachiya , Etsuo Nakagawa
发明人： Tomoyuki Kondo , Yasuhiro Haseba , Yasuyuki Koizumi , Kazutoshi Miyazawa , Norihisa Hachiya , Etsuo Nakagawa
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 , C09K19/12 , C09K19/52
CPC分类号： C07D239/26 , C07C43/225 , C07C69/75 , C07C69/757 , C07C69/76 , C07C69/92 , C07D239/28 , C07D319/06 , C09K19/0403 , C09K19/2007 , C09K19/3001 , C09K19/3066 , C09K19/3068 , C09K19/42 , C09K19/46 , C07C2101/14 , C09K2019/0407 , C09K2019/0444 , Y10T428/10 , Y10T428/1036 , Y10T428/1055
摘要： A liquid crystal composition satisfying various characteristics required for a liquid crystal composition and at the same time having a low temperature threshold voltage, a superior low temperature compatibility and a broad range of nematic phase is provided. A liquid crystal composition characterized by containing as a first component, at least one compound expressed by the following formula (1): ##STR1## wherein R.sup.1 represents an alkyl group of 1 to 10 carbon atoms or an alkenyl group of 2 to 10 carbon atoms; A.sup.1 represents trans-1,4-cyclohexylene of 1,4-phenylene wherein one or more hydrogens present on its ring may be replaced by F; X represents OCF.sub.3 or CF.sub.3 ; Y represents H or F; and m represents an integer of 0 to 2, and as a second component, at least compound expressed by the following formulas (2-1) to (2-6): ##STR2## wherein R.sup.2 represents an alkyl group of 1 to 10 carbon atoms.
摘要翻译： PCT No.PCT / JP96 / 01011 Sec。 371日期：1996年12月5日 102（e）日期1996年12月5日PCT提交1996年4月12日PCT公布。出版物WO96 / 32458 日期：1996年10月17日提供了一种满足液晶组合物所需的各种特性，同时具有低温阈值电压，优异的低温相容性和宽范围的向列相的液晶组合物。一种液晶组合物，其特征在于含有作为第一成分的至少一种由下式（1）表示的化合物：其中R 1表示1〜10个碳原子的烷基或2〜 10个碳原子; A1代表1,4-苯撑的反式-1,4-亚环己基，其中存在于其环上的一个或多个氢可以被F取代; X表示OCF 3或CF 3; Y表示H或F; m表示0〜2的整数，作为第二成分，至少由下式（2-1）〜（2-6）表示的化合物：（2-1）＆lt; IMAGE＆gt;（2- （2-3）图像R 2表示1〜10个碳原子的烷基。

5. 发明授权

US5776367A Alkenylcyclohexane derivatives, liquid crystal composition and liquid crystal display element 失效
标题翻译：烯基环己烷衍生物，液晶组合物和液晶显示元件
公开(公告)号：US5776367A
公开(公告)日：1998-07-07
申请号：US666832
申请日：1996-06-19
申请人： Shuichi Matsui , Yasuyuki Koizumi , Takashi Kato , Kazutoshi Miyazawa , Norihisa Hachiya , Etsuo Nakagawa
发明人： Shuichi Matsui , Yasuyuki Koizumi , Takashi Kato , Kazutoshi Miyazawa , Norihisa Hachiya , Etsuo Nakagawa
IPC分类号： C07C13/28 , C07C255/50 , C07C255/55 , C09K19/30 , C09K19/42 , C09K19/44 , C09K19/46 , C07C19/08 , C09K19/52
CPC分类号： C09K19/46 , C07C13/28 , C07C255/50 , C07C255/55 , C09K19/3001 , C09K19/3028 , C09K19/3048 , C09K19/42 , C09K19/44 , C07C2101/14 , C09K2019/0448 , C09K2019/0451
摘要： A novel liquid crystalline compound having a low viscosity and a high elastic constant ratio and at the same time, a superior compatibility with other known liquid crystalline compounds, and a liquid crystal composition and a liquid crystal display element containing the novel compound, are provided. The compound is an alkenylcyclohexane derivative expressed by the formula (1): ##STR1## wherein R.sup.1 and R.sup.2 represent a linear or branched alkyl group of 1 to 15 carbon atoms or alkenyl group of 2 to 15 carbon atoms; at least one of R.sup.1 and R.sup.2 represents an alkenyl group; in these groups, one or more non-adjacent CH.sub.2 groups may be replaced by oxygen atom, sulfur atom or --C.tbd.C-- group; ring A.sup.1, ring A.sup.2 and ring A.sup.3 each independently represent 1,4-cyclohexylene group wherein one or more CH.sub.2 groups on the ring may be replaced by oxygen atom or sulfur atom, or 1,4-phenylene group wherein one or more CH groups on the ring may be replaced by nitrogen atom; Z.sup.1 and Z.sup.2 each independently represent --CH.sub.2 CH.sub.2 --, --CH.sub.2 O--, --OCH.sub.2 --, --CH.dbd.CH--, --C.tbd.C-- or single bond; Z.sup.3 represents --(CH.sub.2).sub.4 --, --CH.dbd.CH--(CH.sub.2).sub.2 --, --CH.sub.2 --CH.dbd.CH--CH.sub.2 -- or --(CH.sub.2).sub.2 --CH.dbd.CH--; and m, n and i each independently represent 0 or 1.
摘要翻译：提供了具有低粘度和高弹性常数比的新型液晶化合物，同时与其它已知的液晶化合物具有优异的相容性，以及液晶组合物和含有该新化合物的液晶显示元件。化合物是由式（1）表示的烯基环己烷衍生物：其中R1和R2表示碳原子数为1〜15的直链或支链烷基或碳原子数2〜15的烯基; R 1和R 2中的至少一个表示烯基; 在这些基团中，一个或多个不相邻的CH 2基团可以被氧原子，硫原子或-C 3 D C基团取代; 环A1，环A2和环A3各自独立地表示1,4-亚环己基，其中环上的一个或多个CH 2基团可以被氧原子或硫原子替代，或1,4-亚苯基，其中一个或多个CH基团在该环可以被氮原子取代; Z 1和Z 2各自独立地表示-CH 2 CH 2 - ， - CH 2 O - ， - OCH 2 - ， - CH = CH - ， - C 3BOND C-或单键; Z 3表示 - （CH 2）4 - ， - CH = CH-（CH 2）2 - ， - CH 2 -CH = CH-CH 2 - 或 - （CH 2）2 -CH = CH-; m，n和i各自独立地表示0或1。

6. 发明授权

US06086964A Liquid crystalline compound having dienyl moiety and liquid crystal composition 失效
标题翻译：具有二烯基部分和液晶组成的液晶化合物
公开(公告)号：US06086964A
公开(公告)日：2000-07-11
申请号：US241410
申请日：1999-02-02
申请人： Noriyuki Onishi , Koichi Shibata , Yasuhiro Haseba , Yasuyuki Koizumi , Shuichi Matsui , Kazutoshi Miyazawa , Yasuko Sekiguchi , Etsuo Nakagawa
发明人： Noriyuki Onishi , Koichi Shibata , Yasuhiro Haseba , Yasuyuki Koizumi , Shuichi Matsui , Kazutoshi Miyazawa , Yasuko Sekiguchi , Etsuo Nakagawa
IPC分类号： C07C13/28 , C07C43/168 , C07C43/176 , C07C43/215 , C07C43/225 , C07C69/75 , C07C69/753 , C07C69/76 , C07C255/50 , C07C255/55 , C09K19/04 , C09K19/18 , C09K19/20 , C09K19/30 , C09K19/42 , C09K19/44 , C09K19/46 , C09K19/34 , C07D211/82 , C07D239/02 , C07D319/06 , C09K19/52
CPC分类号： C07C43/215 , C07C13/28 , C07C255/50 , C07C255/55 , C07C43/168 , C07C43/176 , C07C43/225 , C07C69/75 , C07C69/753 , C07C69/76 , C09K19/04 , C09K19/18 , C09K19/20 , C09K19/2007 , C09K19/3001 , C09K19/3003 , C09K19/3048 , C09K19/3068 , C09K19/42 , C09K19/44 , C09K19/46 , C07C2101/14 , C09K2019/0448 , C09K2019/0451 , Y10T428/10
摘要： The present invention is to provide a liquid crystallineThe present invention is concerned with a liquid crystalline compound expressed by general formula (1) ##STR1## wherein R.sub.1 represents cyano group, halogen atom, or a straight or branched alkyl group or halogenated alkyl group having 1 to 20 carbon atoms, one or not-adjacent two CH.sub.2 groups in the alkyl group or halogenated alkyl group may be replaced by oxygen atom or --CH.dbd.CH-- group; R.sub.2 and R.sub.2 ' represent hydrogen atom, halogen atom, or an alkyl group having 1 to 9 carbon atoms; X.sub.1, X.sub.2, and X.sub.3 independently represent --CH.sub.2 CH.sub.2 --, --CO--O--, --O--CO--, --CH.dbd.CH--, --C.tbd.C--, --(CH.sub.2).sub.4 --, --CF.sub.2 O--, --OCF.sub.2 --, --CH.sub.2 O--, --OCH.sub.2 --, or a covalent bond; rings A, B, C, and D independently represent 1,4-phenylene ring, trans-1,4-cyclohexylene ring, bicyclo[1,1,0]butane ring, bicyclo[1,1,1]pentane ring, bicyclo[3,2,2]octane ring, cyclobutane ring, or spiro[3,3]heptane ring, respectively, hydrogen atom in these rings may be replaced by halogen atom and carbon atom in these rings may be replaced by nitrogen atom or oxygen atom; l, m, and o are independently 0 or 1, n is an integer of 0 to 3, and p is an integer of 1 to 5.
摘要翻译：本发明提供一种液晶本发明涉及由通式（1）表示的液晶化合物，其中R1表示氰基，卤素原子或直链或支链烷基或具有1-20个碳原子的卤代烷基碳原子，烷基或卤代烷基中的一个或不相邻的两个CH 2基团可以被氧原子或-CH = CH-基团取代; R2和R2'表示氢原子，卤素原子或具有1至9个碳原子的烷基; X 1，X 2和X 3独立地表示-CH 2 CH 2 - ， - CO-O-，-O-CO-， - CH = CH-， - C 3BOND C - ， - （CH 2）4，-CF 2 O-，，-CH 2 O-，-OCH 2 - 或共价键; 环A，B，C和D独立地表示1,4-亚苯基环，反-1,4-亚环己基环，双环[1,1,0]丁烷环，双环[1,1,1]戊烷环，双环 [3,2,2]辛烷环，环丁烷环或螺[3,3]庚烷环，这些环中的氢原子可以被卤素原子取代，这些环中的碳原子可以被氮原子或氧代替原子; l，m和o独立地为0或1，n为0〜3的整数，p为1〜5的整数。

7. 发明授权

US6001275A Liquid-crystalline compound having dienyl moiety and liquid-crystal composition 失效
标题翻译：具有二烯基部分和液晶组成的液晶化合物
公开(公告)号：US6001275A
公开(公告)日：1999-12-14
申请号：US890547
申请日：1997-07-09
申请人： Noriyuki Onishi , Koichi Shibata , Yasuhiro Haseba , Yasuyuki Koizumi , Shuichi Matsui , Kazutoshi Miyazawa , Yasuko Sekiguchi , Etsuo Nakagawa
发明人： Noriyuki Onishi , Koichi Shibata , Yasuhiro Haseba , Yasuyuki Koizumi , Shuichi Matsui , Kazutoshi Miyazawa , Yasuko Sekiguchi , Etsuo Nakagawa
IPC分类号： C07C13/28 , C07C43/168 , C07C43/176 , C07C43/215 , C07C43/225 , C07C69/75 , C07C69/753 , C07C69/76 , C07C255/50 , C07C255/55 , C09K19/04 , C09K19/18 , C09K19/20 , C09K19/30 , C09K19/42 , C09K19/44 , C09K19/46 , C09K19/52 , C07D211/82 , C07D239/02
CPC分类号： C07C43/215 , C07C13/28 , C07C255/50 , C07C255/55 , C07C43/168 , C07C43/176 , C07C43/225 , C07C69/75 , C07C69/753 , C07C69/76 , C09K19/04 , C09K19/18 , C09K19/20 , C09K19/2007 , C09K19/3001 , C09K19/3003 , C09K19/3048 , C09K19/3068 , C09K19/42 , C09K19/44 , C09K19/46 , C07C2101/14 , C09K2019/0448 , C09K2019/0451 , Y10T428/10
摘要： The present invention is concerned with a liquid crystalline compound expressed by general formula (1) ##STR1## wherein R.sub.1 represents cyano group, halogen atom, or a straight or branched alkyl group or halogenated alkyl group having 1 to 20 carbon atoms, one or not-adjacent two CH.sub.2 groups in the alkyl group or halogenated alkyl group may be replaced by oxygen atom or --CH.dbd.CH-- group; R.sub.2 and R.sub.2 ' represent hydrogen atom, halogen atom, or an alkyl group having 1 to 9 carbon atoms; X.sub.1, X.sub.2, and X.sub.3 independently represent --CH.sub.2 CH.sub.2 --, --CO--O--, --O--CO--, --CH.dbd.CH--, --C.tbd.C--, --(CH.sub.2).sub.4 --, --CF.sub.2 O--, --OCF.sub.2 --, --CH.sub.2 O--, --OCH.sub.2 --, or a covalent bond; rings A, B, C, and D independently represent 1,4-phenylene ring, trans-1,4-cyclohexylene ring, bicyclo[1,1,0]butane ring, bicyclo[1,1,1]pentane ring, bicyclo[3,2,2]octane ring, cyclobutane ring, or spiro[3,3]heptane ring, respectively, hydrogen atom in these rings may be replaced by halogen atom and carbon atom in these rings may be replaced by nitrogen atom or oxygen atom; l, m, and o are independently 0 or 1, n is an integer of 0 to 3, and p is an integer of 1 to 5.
摘要翻译： PCT No.PCT / JP96 / 00083 Sec。 371日期1997年7月9日第 102（e）日期1997年7月9日PCT 1996年1月19日PCT PCT。公开号WO96 / 22261 日本特征1996年7月25日本发明涉及通式（1）表示的液晶性化合物，其中R1表示氰基，卤素原子或碳原子数1〜20的直链或支链烷基或卤代烷基，或不相邻的烷基或卤代烷基中的两个CH 2基团可以被氧原子或-CH = CH-基团取代; R2和R2'表示氢原子，卤素原子或具有1至9个碳原子的烷基; X 1，X 2和X 3独立地表示-CH 2 CH 2 - ， - CO-O-，-O-CO-， - CH = CH-， - C 3BOND C - ， - （CH 2）4，-CF 2 O-，，-CH 2 O-，-OCH 2 - 或共价键; 环A，B，C和D独立地表示1,4-亚苯基环，反-1,4-亚环己基环，双环[1,1,0]丁烷环，双环[1,1,1]戊烷环，双环 [3,2,2]辛烷环，环丁烷环或螺[3,3]庚烷环，这些环中的氢原子可以被卤素原子取代，这些环中的碳原子可以被氮原子或氧代替原子; l，m和o独立地为0或1，n为0〜3的整数，p为1〜5的整数。

8. 发明授权

US06174456B1 Liquid crystal compounds having substituted alkyl groups, liquid crystal composition and liquid crystal display element 失效
标题翻译：具有取代烷基的液晶化合物，液晶组合物和液晶显示元件
公开(公告)号：US06174456B1
公开(公告)日：2001-01-16
申请号：US08981145
申请日：1997-12-08
申请人： Tomoyuki Kondo , Kouichi Shibata , Shuichi Matsui , Kazutoshi Miyazawa , Norihisa Hachiya , Etsuo Nakagawa
发明人： Tomoyuki Kondo , Kouichi Shibata , Shuichi Matsui , Kazutoshi Miyazawa , Norihisa Hachiya , Etsuo Nakagawa
IPC分类号： C09K1930
CPC分类号： C07C43/1742 , C07C17/16 , C07C22/04 , C07C22/08 , C07C25/18 , C07C25/24 , C09K19/04 , C09K19/30 , C09K19/3001 , C09K19/42 , C09K19/44 , C09K19/46 , C09K2019/0448 , C09K2019/0451
摘要： The present invention provides liquid crystalline compounds having compatibility with the other liquid crystal materials and excellent stability, and having low viscosity and high transition temperature of the isotropic phase, liquid crystal compositions containing at least one kind of the liquid crystalline compounds, and liquid crystal display devices constituted by using the liquid crystal compositions. The liquid crystalline compounds are represented by the following formula: R—A1—Z1—A2—Z2—A3—Z3—A4—(CH2)m.X (1) wherein R indicates H or an alkyl group having 1 to 10 carbon atoms (one or more methylene group (—CH2—) in the alkyl group may be replaced by —O—, —S—, —CO—, —CH═CH— or —C≡C—, but —O— or —S— are not continuous), m indicates an integer of 1 to 10; X indicates F, Cl, Br, I or OH; A1, A2, A3 and A4, each independently, indicate a trans-1,4-cyclohexylene group, a 1,4-phenylene group in which one or more hydrogen atoms on the ring may be substituted by a fluorine atom, a cyclohexenylenediyl group, a pyrimidine-2,5-diyl group, a pyridine-2,5-diyl group or a 1,3-dioxane-2,5-diyl group; Z1, Z2 and Z3, each independently, indicate —(CH2)2— or a covalent bond, and at least two of Z1, Z2 and Z3 indicate covalent bonds.
摘要翻译：本发明提供了与其它液晶材料相容的液晶化合物，稳定性优异，各向同性相具有低粘度和高转变温度，含有至少一种液晶化合物的液晶组合物和液晶显示器通过使用液晶组合物构成的装置。液晶化合物由下式表示：其中R表示H或具有1〜10个碳原子的烷基（烷基中的一个或多个亚甲基（-CH 2 - ）可以被-O - ， - S - ， - CO - ， - CH = CH-或-C = C-，但-O-或-S-不连续），m表示1至10的整数; X表示F，Cl，Br，I或OH; A1，A2，A3和A4各自独立地表示反式-1,4-亚环己基，其中一个或多个氢原子可以被氟原子取代的1,4-亚苯基，环己烯二基，嘧啶-2,5-二基，吡啶-2,5-二基或1,3-二恶烷-2,5-二基; Z1，Z2和Z3各自独立地表示 - （CH2）2-或共价键，并且Z1，Z2和Z3中的至少两个表示共价键。

9. 发明授权

US6117361A Liquid crystal compound having fluorine-substituted 1,4-phenylene moiety, liquid crystal composition and liquid crystal display element 失效
标题翻译：具有氟取代的1,4-亚苯基部分的液晶化合物，液晶组合物和液晶显示元件
公开(公告)号：US6117361A
公开(公告)日：2000-09-12
申请号：US144082
申请日：1998-08-31
申请人： Koichi Shibata , Tomoyuki Kondo , Shuichi Matsui , Kazutoshi Miyazawa , Norihisa Hachiya , Etsuo Nakagawa
发明人： Koichi Shibata , Tomoyuki Kondo , Shuichi Matsui , Kazutoshi Miyazawa , Norihisa Hachiya , Etsuo Nakagawa
IPC分类号： C09K19/30 , C09K19/46 , C09K19/50 , C07C25/00 , C09K19/12
CPC分类号： C09K19/46 , C09K19/3001 , C09K19/3003 , C09K19/3028 , C09K19/50 , C09K2019/0444
摘要： A compound represented by the following general formula (1) is provided. This has broader temperature range of nematic phase, lower viscosity and higher miscibility with other liquid crystal compounds at low temperature than those of conventional liquid crystal compounds, and the compounds have high chemical stability. ##STR1## wherein H.sub.1 to H.sub.8 represent independently a hydrogen atom or a halogen atom, provided that at least one of them is a halogen atom; R.sub.1 represents a moiety which is an alkyl group having 2 to 20 carbon atoms provided that one or more methylene groups (--CH.sub.2 --) which are not successive in the alkyl group are replaced with an oxygen atom (--O--) in the form of ether; Y.sub.1 represents an alkyl group having 1 to 20 carbon atoms, and one or more methylene groups in Y.sub.1 independently may be replaced with an oxygen atom, a sulfur atom, a dihydroxysilyl group, a dimethylsililene group, --CH.dbd.CH-- or --C.tbd.C--; X.sub.1 to X.sub.3 represent independently a covalent bond, a 1,2-ethylene group or a 1,4-butylene group.
摘要翻译：提供由以下通式（1）表示的化合物。与常规液晶化合物相比，这种具有较高的向列相温度范围，较低的粘度和较低的其它液晶化合物的混溶性，并且该化合物具有高的化学稳定性。其中H1至H8独立地表示氢原子或卤素原子，条件是它们中的至少一个是卤素原子; R1表示一个具有2-20个碳原子的烷基的部分，条件是烷基中不连续的一个或多个亚甲基（-CH 2 - ）被氧原子（-O-）取代为醚; Y1表示碳原子数1〜20的烷基，Y1中的一个以上的亚甲基可以被氧原子，硫原子，二羟基甲硅烷基，二甲基硅烷基，-CH = CH-或-C C-; X1至X3独立地表示共价键，1,2-亚乙基或1,4-亚丁基。

10. 发明授权

US5702641A Liquid crystalline compound containing fluorine atom substituted alkyl group(s) and a liquid crystal composition 失效
标题翻译：含氟原子取代的烷基的液晶化合物和液晶组合物
公开(公告)号：US5702641A
公开(公告)日：1997-12-30
申请号：US576461
申请日：1995-12-21
申请人： Yasuhiro Haseba , Kazutoshi Miyazawa , Shuichi Matsui , Tomoyuki Kondo , Yasuyuki Goto , Etsuo Nakagawa , Shinichi Sawada
发明人： Yasuhiro Haseba , Kazutoshi Miyazawa , Shuichi Matsui , Tomoyuki Kondo , Yasuyuki Goto , Etsuo Nakagawa , Shinichi Sawada
IPC分类号： C07C22/08 , C07C25/18 , C07C43/225 , C09K19/04 , C09K19/30 , C09K19/42 , C09K19/46 , C09K19/52 , G02F1/13
CPC分类号： C07C43/225 , C07C22/08 , C07C25/18 , C09K19/0403 , C09K19/3001 , C09K19/3003 , C09K19/3028 , C09K19/42 , C09K19/46 , C09K2019/0407 , C09K2019/0444
摘要： A liquid crystalline compound exhibiting a large .DELTA..epsilon. value, an electrical and chemical stability and a superior compatibility with existing liquid crystalline compounds, a liquid crystal composition containing the same, and a liquid crystal display element constructed by using the composition are provided, which liquid crystalline compound is expressed by the formula (I), F--(CH.sub.2)n-E--(CH.sub.2 CH.sub.2).sub.k --G--(CH.sub.2 CH.sub.2).sub.l --L--(CH.sub.2 CH.sub.2).sub.m --Z--Q--Y (I) wherein n is an integer of 1 to 10; k, l and m each independently are an integer of 0 to 2; ring E is 1,4-cyclohexylene group or 1,4-phenylene group, wherein one or more H atoms on each six-membered ring may be replaced by F atom(s); G and L each independently is a covalent bond or 1,4-cyclohexylene group or 1,4-phenylene group, wherein one or more H atoms on each six-membered ring may be replaced by F atom(s); Q is covalent bond or --O--; Y is a fluoroalkyl group of 1 to 3C or F atom; but in the case where ring E is 1,4-cyclohexylene group and at least one of G and L is covalent bond, k+l+m.noteq.0, and in the case where Q is --O--, Y is not F atom.
摘要翻译：提供了具有大的DELTAε值，电化学稳定性和与现有液晶化合物的优异相容性的液晶化合物，含有该液晶化合物的液晶组合物和使用该组合物构成的液晶显示元件，该液体结晶化合物由式（I）表示，F-（CH2）nE-（CH2CH2）kG-（CH2CH2）lL-（CH2CH2）mZQY（I）其中n是1至10的整数; k，l和m各自独立地为0〜2的整数; 环E是1,4-亚环己基或1,4-亚苯基，其中每个六元环上的一个或多个H原子可被F原子取代; G和L各自独立地为共价键或1,4-亚环己基或1,4-亚苯基，其中每个六元环上的一个或多个H原子可被F原子取代; Q是共价键或-O-; Y为1〜3或氟原子的氟代烷基; 但是在环E为1,4-亚环己基并且G和L中的至少一个为共价键的情况下，k + 1 + m为“0”，在Q为-O-的情况下，Y为F原子。

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