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1. 发明授权

US06278028B1 Liquid crystal compounds, mixtures and devices 失效
标题翻译：液晶化合物，混合物和装置
公开(公告)号：US06278028B1
公开(公告)日：2001-08-21
申请号：US09520614
申请日：2000-03-07
申请人： Andrew John Slaney , Damien Gerard McDonnell , Amarjit Kaur Samra , Maurice Stanley , Victoria Minter , John William Goodby , Michael Hird , Simon John Cross , Chu Chuan Dong
发明人： Andrew John Slaney , Damien Gerard McDonnell , Amarjit Kaur Samra , Maurice Stanley , Victoria Minter , John William Goodby , Michael Hird , Simon John Cross , Chu Chuan Dong
IPC分类号： C07C43205
CPC分类号： C07C205/37 , C07C205/43 , C09K19/0233 , C09K19/126 , C09K19/2007 , C09K19/3003 , C09K19/3068
摘要： An electroclinic device having two spaced cell walls each bearing electrode structures and treated on at least one facing surface with an alignment layer, a layer of a smectic liquid crystal material enclosed between the cell walls, where the liquid crystal material contains one or more of the compounds described by formula I as defined in the specification.
摘要翻译：一种具有两个间隔开的细胞壁的电极装置，每个细胞壁均带有电极结构，并在至少一个具有取向层的面对表面上处理，封闭在细胞壁之间的层状液晶材料层，其中液晶材料包含一个或多个由说明书中定义的式I描述的化合物。

2. 发明授权

US06337420B1 Liquid crystal compounds, mixtures and devices 失效
标题翻译：液晶化合物，混合物和装置
公开(公告)号：US06337420B1
公开(公告)日：2002-01-08
申请号：US09520613
申请日：2000-03-07
申请人： Andrew John Slaney , Damien Gerard McDonnell , Amarjit Kaur Samra , Maurice Stanley , Victoria Minter , John William Goodby , Michael Hird , Simon John Cross , Chu Chuan Dong
发明人： Andrew John Slaney , Damien Gerard McDonnell , Amarjit Kaur Samra , Maurice Stanley , Victoria Minter , John William Goodby , Michael Hird , Simon John Cross , Chu Chuan Dong
IPC分类号： C07C6973
CPC分类号： C07C205/37 , C07C205/43 , C09K19/0233 , C09K19/126 , C09K19/2007 , C09K19/3003 , C09K19/3068
摘要： An electroclinic device having two spaced cell walls each bearing electrode structures and treated on at least one facing surface with an alignment layer, a layer of a smectic liquid crystal material enclosed between the cell walls, where the liquid crystal material contains one or more of the compounds described by formula I as defined in the specification.
摘要翻译：一种具有两个间隔开的细胞壁的电极装置，每个细胞壁均带有电极结构，并在至少一个具有取向层的面对表面上处理，封闭在细胞壁之间的层状液晶材料层，其中液晶材料包含一个或多个由说明书中定义的式I描述的化合物。

3. 发明授权

US06242636B1 Liquid crystal compounds, mixtures and devices 失效
标题翻译：液晶化合物，混合物和装置
公开(公告)号：US06242636B1
公开(公告)日：2001-06-05
申请号：US09225361
申请日：1999-01-05
申请人： Andrew John Slaney , Damien Gerard McDonnell , Amarjit Kaur Samra , Maurice Stanley , Victoria Minter , John William Goodby , Michael Hird , Simon John Cross , Chu Chuan Dong
发明人： Andrew John Slaney , Damien Gerard McDonnell , Amarjit Kaur Samra , Maurice Stanley , Victoria Minter , John William Goodby , Michael Hird , Simon John Cross , Chu Chuan Dong
IPC分类号： C07C6976
CPC分类号： C07C205/37 , C07C205/43 , C09K19/0233 , C09K19/126 , C09K19/2007 , C09K19/3003 , C09K19/3068
摘要： An electoclinic device having two spaced cell walls each bearing electrode structures and treated on at least one facing surface with an alignment layer, a layer of a smectic liquid crystal material enclosed between the cell walls, where the liquid crystal material contains one or more of the compounds described by formula I as defined in the specification.
摘要翻译：一种具有两个间隔开的电池壁的电气装置，每个电池壁均带有电极结构，并在至少一个具有取向层的面对表面处理，封闭在电池壁之间的层状液晶材料层，其中液晶材料包含一个或多个由说明书中定义的式I描述的化合物。

4. 发明授权

US5891358A Liquid crystal mixtures and devices 失效
标题翻译：液晶混合物和装置
公开(公告)号：US5891358A
公开(公告)日：1999-04-06
申请号：US676203
申请日：1996-07-10
申请人： Andrew John Slaney , Damien Gerard McDonnell , Amarjit Kaur Samra , Maurice Stanley , Victoria Minter , John William Goodby , Michael Hird , Simon John Cross , Chu Chuan Dong
发明人： Andrew John Slaney , Damien Gerard McDonnell , Amarjit Kaur Samra , Maurice Stanley , Victoria Minter , John William Goodby , Michael Hird , Simon John Cross , Chu Chuan Dong
IPC分类号： G02F1/13 , C07C25/18 , C07C43/20 , C07C69/75 , C07C69/753 , C07C69/76 , C07C69/773 , C07C69/86 , C07C69/92 , C07C205/37 , C07C205/38 , C07C205/43 , C07C205/59 , C09K19/02 , C09K19/12 , C09K19/18 , C09K19/20 , C09K19/30 , C09K19/06 , G02F1/133
CPC分类号： C07C205/37 , C07C205/43 , C09K19/0233 , C09K19/126 , C09K19/2007 , C09K19/3003 , C09K19/3068
摘要： The invention describes liquid crystal compounds of formula (I) which are suitable for use in liquid crystal devices including those devices which exploit the electroclinic effect, ##STR1## where X may be CN, NO.sub.2, CF.sub.3, CF.sub.2 H, CFH.sub.2, halogen, hydrogen, alkyl or alkoxy; X.sub.2 may be CN, NO.sub.2, CF.sub.3, CF.sub.2 H, CFH.sub.2, halogen, hydrogen, alkyl or alkoxy; X.sub.3 may be CN, NO.sub.2, CF.sub.3, CF.sub.2 H, CFH.sub.2, halogen, alkyl, alkoxy or hydrogen; X.sub.4 may be CN, NO.sub.2, CF.sub.3, CF.sub.2 H, CFH.sub.2, halogen, alkyl, alkoxy or hydrogen; provided that at lease one of X or X.sub.2 is CF.sub.3, CF.sub.2 H, CFH.sub.2, CN, NO.sub.2 or halogen; A and B are independently phenyl, mono-fluorinated phenyl, di-fluorinated phenyl or cyclohexyl; Y may be single bond, COO, OOC, C.dbd.C; q may be 0 or 1; R.sub.1 may be an end group of formula (II) wherein Z may be a single bond, O, CO.sub.2, (CH.sub.2).sub.n or (CH.sub.2).sub.n O where n may be 1 or 2; J and M may be independently H, C.sub.1-4 alkyl; W may be C.sub.1 -C.sub.12 straight or branched alkyl chain; R.sub.2 may contain 1-14 carbon atoms wherein one or more non-adjacent CH.sub.2 groups may be replaced by CO.sub.2 or O. X or X.sub.2 may give rise to steric hindrance with the nearest terminal group. The materials of the current invention may be mixed together and/or with other liquid crystal compounds. Suitable devices which the materials of the present invention may be incorporated in include beam steerers, piezoelectric actuators or sensors and pyroelectric sensors and displays in general. The materials of the present invention may also be useful as dopants in ferroelectrics and as second order non-linear optic materials for second harmonic conversion of light.
摘要翻译： PCT No.PCT / GB95 / 00018 Sec。 371日期：1996年7月10日 102（e）日期1996年7月10日PCT 1995年1月6日PCT PCT。 WO95 / 18848 PCT公开日期：1995年7月13日本发明描述了适用于液晶装置的液晶化合物，其中包括那些利用电击效应的装置，其中X可以是 CN，NO 2，CF 3，CF 2 H，CFH 2，卤素，氢，烷基或烷氧基; X 2可以是CN，NO 2，CF 3，CF 2 H，CFH 2，卤素，氢，烷基或烷氧基; X3可以是CN，NO2，CF3，CF2H，CFH2，卤素，烷基，烷氧基或氢; X 4可以是CN，NO 2，CF 3，CF 2 H，CFH 2，卤素，烷基，烷氧基或氢; 条件是X或X 2中至少一个为CF 3，CF 2 H，CFH 2，CN，NO 2或卤素; A和B独立地是苯基，单氟化苯基，二氟化苯基或环己基; Y可以是单键，COO，OOC，C = C; q可以是0或1; R 1可以是式（II）的端基，其中Z可以是单键O，CO 2，（CH 2）n或（CH 2）n O，其中n可以是1或2; J和M可以独立地是H，C 1-4烷基; W可以是C 1 -C 12直链或支链烷基链; R2可以含有1-14个碳原子，其中一个或多个不相邻的CH 2基团可以被CO 2或O取代。X或X 2可以引起与最近的末端基团的空间位阻。本发明的材料可以混合在一起和/或与其它液晶化合物混合。可并入本发明的材料的合适的装置包括光束转向器，压电致动器或传感器以及热电传感器和显示器。本发明的材料也可用作铁电体中的掺杂剂，并且可用作光二次谐波转换的二阶非线性光学材料。

5. 发明授权

US5955000A Chiral compounds 失效
标题翻译：手性化合物
公开(公告)号：US5955000A
公开(公告)日：1999-09-21
申请号：US913912
申请日：1997-09-25
申请人： Benjamin Ross Carrick , John William Goodby , Kenneth Johnson Toyne , Michael Hird , Damien Gerard McDonnell
发明人： Benjamin Ross Carrick , John William Goodby , Kenneth Johnson Toyne , Michael Hird , Damien Gerard McDonnell
IPC分类号： G02F1/13 , C07C255/35 , C07C255/37 , C07C255/38 , C09K19/12 , C09K19/20 , C09K19/34 , C09K19/42 , C09K19/44 , C09K19/58 , C07C255/07
CPC分类号： C09K19/2021 , C07C255/37 , C07C255/38 , C09K19/126 , C09K19/2007 , C09K19/44 , C09K19/586 , C09K2019/123
摘要： This invention describes compounds of formula (I) ##STR1## wherein R is C.sub.1-16 alkyl or alkoxy; X is selected from F and Cl and indicates that one or more of the phenyl rings may be laterally substituted; x is selected from 0-3; A and B are independently selected from CO.sub.2, OCO, .tbd.C and single bond; R.sub.1 and R.sub.2 are independently selected from H and C.sub.1-16 alkyl provided that R.sub.1 and R.sub.2 are different; n is 0 or 1 provided that if n is zero then B is single bond. These compounds may be used as dopants suitable for use in ferroelectric liquid crystal mixtures.
摘要翻译： PCT No.PCT / GB96 / 00742 Sec。 371日期：1997年9月25日 102（e）1997年9月25日PCT PCT 1996年3月28日PCT公布。公开号WO96 / 30462 日期：1996年10月3日本发明描述了其中R为C 1-6烷基或烷氧基的式（I）化合物; X选自F和Cl，并且表示一个或多个苯环可以被横向取代; x选自0-3; A和B独立地选自CO 2，OCO，3BOND C和单键; R1和R2独立地选自H和C1-16烷基，条件是R1和R2不同; n为0或1，条件是如果n为零，则B为单键。这些化合物可以用作适用于铁电液晶混合物的掺杂剂。

6. 发明授权

US5750050A Discotic compounds for use in liquid crystal mixtures 失效
标题翻译：用于液晶混合物的盘状化合物
公开(公告)号：US5750050A
公开(公告)日：1998-05-12
申请号：US564211
申请日：1996-02-28
申请人： John William Goodby , Michael Hird , David Richard Beattie , Paul Hindmarsh , George William Gray , Damien Gerard McDonnell , John Clifford Jones , Timothy Jonathan Phillips
发明人： John William Goodby , Michael Hird , David Richard Beattie , Paul Hindmarsh , George William Gray , Damien Gerard McDonnell , John Clifford Jones , Timothy Jonathan Phillips
IPC分类号： G02F1/13 , C07C43/20 , C07C43/205 , C07C43/215 , C07C43/225 , C07C69/00 , C07C69/76 , C07C69/773 , C07C69/92 , C07C255/54 , C07C255/55 , C07C255/57 , C09K19/32 , C09K19/52
CPC分类号： C07C69/92 , C07C43/20 , C09K19/32 , C07C2103/00 , C07C2103/42 , C09K2019/328 , Y10T428/10
摘要： Liquid crystal compounds have been synthesized of general formula (I) and may be mixed with other liquid crystal compounds to give useful liquid crystal mixtures which may then be used in liquid crystal devices. Such devices include linear and non-linear electrical, optical and electro-optical devices, magneto-optical devices and devices providing responses to stimuli such as temperature changes and total or partial pressure changes. Formula (I) where each Z.sub.1-6 is given by formula (II), where Y for each of Z.sub.1-6 is independently COO, OCO, CH.sub.2 O and OCH.sub.2, m defines the number of substituents on each of Z.sub.1-6 and is independently 0-5,and X is independently for each substituent on each of Z.sub.1-6 alkyl (straight chain, branched and chiral), alkoxy (straight chain, branched or chiral), alkanoyl (straight chain, branched or chiral), alkenyl (straight chain, branched or chiral), halogen, halogenoalkyl (straight chain, branched or chiral) and CN, provided that at least one of Z.sub.-6 1 has at least one substituent X, and excluding where m is 1 for each of Z.sub.1-6, Y is COO for each of Z.sub.1-6 and X is n-alkyl or n-alkoxy positioned para to Y for each of Z.sub.1-6 and also where M is 5 for each of Z.sub.1-6, Y is COO for each of Z.sub.1-6 and for each Z.sub.1-6 X is selected as n-alkoxy positioned para to Y and fluoride for all other substituents.
摘要翻译： PCT No.PCT / GB93 / 01291 Sec。 371日期1996年2月28日 102（e）日期1996年2月28日PCT提交1993年6月16日PCT公布。公开号WO94 / 29263 日本时间1994年12月22日<图像（I）<图像>（II）由通式（I）合成液晶化合物，可与其他液晶化合物混合，得到有用的液晶混合物，然后使用在液晶装置中。这样的器件包括线性和非线性电学，光学和电光器件，磁光器件和提供对诸如温度变化和全部或部分压力变化等刺激的响应的器件。式（I）其中每个Z1-6由式（II）给出，其中Z1-6各自独立地为COO，OCO，CH2O和OCH2，m定义Z1-6各自的取代基数，独立地为 Z-6烷基（直链，支链和手性），烷氧基（直链，支链或手性），烷酰基（直链，支链或手性），烯基（直链）链，支链或手性），卤素，卤代烷基（直链，支链或手性）和CN，条件是Z-61中的至少一个具有至少一个取代基X，并且除了Z1-6中的每一个之外，m为1， Y是Z1-6中的每一个的COO，X是Z1-6中每一个位于对Y的正烷基或n-烷氧基，并且对于Z1-6中的每一个，M为5，Y为Z 1 - 6并且对于每个Z1-6 X选择为位于Y对位的正烷氧基和所有其它取代基的氟化物。

7. 发明授权

US5986096A Pyrimidine compounds 失效
标题翻译：嘧啶化合物
公开(公告)号：US5986096A
公开(公告)日：1999-11-16
申请号：US913968
申请日：1997-09-25
申请人： Robert Andrews Lewis , John William Goodby , Kenneth Johnson Toyne , Michael Hird
发明人： Robert Andrews Lewis , John William Goodby , Kenneth Johnson Toyne , Michael Hird
IPC分类号： G02F1/13 , C07D239/28 , C07D239/30 , C07D239/34 , C07D405/10 , C09K19/34 , C09K19/58 , C07D239/40 , C09K19/32
CPC分类号： C07D239/28 , C07D239/34 , C07D405/10 , C09K19/3458 , C09K19/3461 , C09K19/3463 , C09K19/3466 , C09K19/3491 , C09K19/582
摘要： 5-Bromo-2-iodopyrimidine is used to synthesize a range of chemical compounds including liquid crystalline compounds.
摘要翻译： PCT No.PCT / GB96 / 00866 Sec。 371日期：1997年9月25日 102（e）1997年9月25日PCT PCT 1996年3月23日PCT公布。 WO96 / 30344 PCT出版物日期：19965年10月3日 - 溴-2-碘嘧啶用于合成一系列化合物，包括液晶化合物。

8. 发明授权

US6121448A Pyrimidine compounds 有权
标题翻译：嘧啶化合物
公开(公告)号：US6121448A
公开(公告)日：2000-09-19
申请号：US335044
申请日：1999-06-16
申请人： Robert Andrews Lewis , John William Goodby , Kenneth Johnson Toyne , Michael Hird
发明人： Robert Andrews Lewis , John William Goodby , Kenneth Johnson Toyne , Michael Hird
IPC分类号： C07D239/26 , C07D239/28 , C07D239/34 , C07D405/10 , C09K19/34 , C09K19/58 , C07D239/30
CPC分类号： C07D239/26 , C07D239/28 , C07D239/34 , C07D405/10 , C09K19/3458 , C09K19/3466 , C09K19/3491 , C09K19/582
摘要： The synthesis of novel compound (I) is described: 5-bromo-2-iodopyrimidine may be used for the synthesis of a range of chemical compounds both known and novel. The synthesis of a number of novel liquid crystalline compounds is described.
摘要翻译：描述了新化合物（I）的合成：5-溴-2-碘嘧啶可用于合成一系列已知和新颖的化合物。描述了许多新型液晶化合物的合成。

9. 发明授权

US5888421A Anisotropic organic compounds 失效
标题翻译：各向异性有机化合物
公开(公告)号：US5888421A
公开(公告)日：1999-03-30
申请号：US308207
申请日：1994-09-19
申请人： Kenneth Johnson Toyne , John William Goodby , Alexander Seed , George William Gray , Damien Gerad McDonnel , Edward Peter Raynes , Sally Elizabeth Day , Kenneth John Harrison , Michael Hird
发明人： Kenneth Johnson Toyne , John William Goodby , Alexander Seed , George William Gray , Damien Gerad McDonnel , Edward Peter Raynes , Sally Elizabeth Day , Kenneth John Harrison , Michael Hird
IPC分类号： C09K19/12 , C09K19/18 , C09K19/20 , C09K19/34 , C07D333/36
CPC分类号： C09K19/2007 , C09K19/12 , C09K19/18 , C09K19/3491
摘要： ##STR1## The invention describes liquid crystalline compounds or formula (I), where A, D and G are independently selected from phenyl, thiophene, hydrogenated phenyl, chlorinated phenyl and fluorinated phenyl, B and E are independently selected from a single bond C═≢C. C.tbd.C.C00, azoxy and diazo, k and m are independently selected from 1 and 0, such that m+n is 1 or 2, and R
1 and R
2 are independently selected from R, R0, alkynyl, thioalkyl, hydrogen, CN, NCS and SCN; provided that at least one of R
1 and R
2 is selected from CN, NCS and SCN and that at least one of A, D and G is phenyl; and excluding where at least one of R
1 and R
2 is independently selected as CN and one of A, D or G is not thiophene, and where m is 0, A, and D are phenyl, B is a single bond and only one of R
1 or R
2 is NCS. Also described are compounds suitable for inclusion in a device utilizing pretransitional characteristics of liquid crystalline materials in the isotropic phase, of general formula (II) where J and Y are independently selected from phenyl, thiophene, hydrogenated phenyl, chlorinated phenyl and fluorinated phenyl, X is selected from C═≢C. C.tbd.C.COO azoxy and diazo, k is 1 or 0 and R
3 and R
4 are independently selected from R, RO, alkynyl, thioalkyl, hydrogen, CN, NCS and SCN; provided that at least one of R
3 and R
4 is selected from CN, NCS and SCN and that at least one of J and Y is phenyl.
摘要翻译：（I）R3J（X）kYR4（II）本发明描述了液晶化合物或式（I），其中A，D和G独立地选自苯基，噻吩，氢化苯基，氯化苯基和氟化苯基，B 和E独立地选自单键C = NOTEQUAL C. C 3BOND C.C00，azoxy和diazo，k和m独立地选自1和0，使得m + n是1或2，并且R 1和R 2是独立地选自R，R 0，炔基，硫代烷基，氢，CN，NCS和SCN; 条件是R1和R2中的至少一个选自CN，NCS和SCN，并且A，D和G中的至少一个是苯基; 并且不包括其中R 1和R 2中的至少一个独立地选择为CN且A，D或G中的一个不是噻吩，并且其中m是0，A和D是苯基，B是单键，并且只有一个R 1 或R2是NCS。还描述了适用于在通式（II）的各向同性相中使用液晶材料的预过滤特性的装置中的化合物，其中J和Y独立地选自苯基，噻吩，氢化苯基，氯代苯基和氟化苯基，X C选自C = NOTEQUAL C. C 3BOND C.COO azoxy和diazo，k为1或0，R 3和R 4独立地选自R，RO，炔基，硫代烷基，氢，CN，NCS和SCN; 条件是R3和R4中的至少一个选自CN，NCS和SCN，并且J和Y中的至少一个是苯基。

10. 发明授权

US5820781A Naphthyl organic compounds 失效
标题翻译：萘基有机化合物
公开(公告)号：US5820781A
公开(公告)日：1998-10-13
申请号：US470153
申请日：1995-06-06
申请人： Kenneth Johnson Toyne , John William Goodby , Alexander Seed , George William Gray , Damien Gerad McDonnel , Edward Peter Raynes , Sally Elizabeth Day , Kenneth John Harrison , Michael Hird
发明人： Kenneth Johnson Toyne , John William Goodby , Alexander Seed , George William Gray , Damien Gerad McDonnel , Edward Peter Raynes , Sally Elizabeth Day , Kenneth John Harrison , Michael Hird
IPC分类号： C07C255/52 , C07C255/54 , C07C323/62 , C07C331/28 , C07D239/26 , C07D333/20 , C07D333/24 , C09K19/32 , C09K19/34 , C09K19/54 , C07D239/02 , G02F1/133
CPC分类号： C07D239/26 , C07C255/52 , C07C255/54 , C07C323/62 , C07C331/28 , C07D333/20 , C07D333/24 , C09K19/322 , C09K19/3441 , C09K19/3458 , C09K19/3461 , C09K19/3497 , C09K19/544 , Y10T428/10
摘要： R.sub.1 --A--(X).sub.m --(B).sub.n --R.sub.2 (I) R.sub.3 --J--(Y).sub.p --(Z).sub.q --R.sub.4 (II) Liquid crystal compounds of formula (I) are described, where formula (I) is given as R.sub.1 --A--(X).sub.m --(B).sub.n --R.sub.2 where A is selected from nathyl, fluorinated naphthyl, brominated naphthyl, B is selected from phenyl, methylated phenyl, brominated phenyl, fluorinated phenyl, thiophene, pyrimidine and pyridine, R.sub.1 and R.sub.2 are independently selected from alkyl, alkoxy, alkynyl, thioalkyl, Br, CN, SCN, NCS, perfluoroalkyl, perfluoroalkoxy and hydrogen, X is selected from C.tbd.C, COO and C.tbd.C, m is 0 or 1, n is 0 or 1 where m is 1 and n is 0 where m is 0; provided that where A is naphthyl, n is 1 and m is 0 then B is selected from methylated phenyl, brominated phenyl, thiophene, pyrimidine and pyridine; and further provided that where A is naphthyl, X is C.tbd.C, m is 1 and n is 1, then B is selected from thiophene, pyrimidine and pyridine. Also described are liquid crystal compounds suitable for inclusion in devices utilizing pretransitional characteristics of liquid crystalline materials in the isotropic phase and described by formula (II): R.sub.3 --J--(Y).sub.p --(Z).sub.q --R.sub.4, where J is selected from nathyl, fluorinated naphthyl, brominated naphthyl, Z is selected from phenyl, methylated phenyl, brominated phenyl, fluorinated phenyl, thiophene, pyrimidine and pyridine, R.sub.1 and R.sub.2 are independently selected from alkyl, alkoxy, alkynyl, thioalkyl, Br, CN, SCN, NCS, perfluoroalkyl, perfluoroalkoxy and hydrogen, Y is selected from C.dbd.C, COO and C.dbd.C, p is 0 or 1, q is 0 or 1 where p is 1 and q is 0 where p is 0.
摘要翻译： R 1 -A（X）m - （B）n -R 2（I）R 3 -J-（Y）对 - （Z）q -R 4（II）式（I）的液晶化合物，其中式 I）为R1-A-（X）m-（B）n-R2，其中A选自萘基，氟化萘基，溴化萘基，B选自苯基，甲基化苯基，溴代苯基，氟化苯基，噻吩，嘧啶和吡啶，R1和R2独立地选自烷基，烷氧基，炔基，硫代烷基，Br，CN，SCN，NCS，全氟烷基，全氟烷氧基和氢，X选自C 3BOND C，COO和C 3 C，或1，n为0或1，其中m为1，n为0，其中m为0; 条件是其中A为萘基，n为1，m为0，则B选自甲基化苯基，溴化苯基，噻吩，嘧啶和吡啶; 并且进一步提供，其中A是萘基，X是C 3 C 6，m是1，n是1，则B选自噻吩，嘧啶和吡啶。还描述了适于包含在利用各向同性相中并由式（II）表示的液晶材料的预过滤特性的器件中的液晶化合物：R3-J-（Y）对（Z）q-R4，其中J被选择从萘基，氟化萘基，溴化萘基，Z选自苯基，甲基化苯基，溴化苯基，氟化苯基，噻吩，嘧啶和吡啶，R1和R2独立地选自烷基，烷氧基，炔基，硫代烷基，Br，CN，SCN ，NCS，全氟烷基，全氟烷氧基和氢，Y选自C = C，COO和C = C，p为0或1，q为0或1，其中p为1，q为0，其中p为0。

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