公开(公告)号：US5536443A

公开(公告)日：1996-07-16

申请号：US429485

申请日：1995-04-25

申请人： Haruyoshi Takatsu ,  Sadao Takehara ,  Kiyohumi Takeuchi ,  Masashi Osawa ,  Shinji Ogawa ,  Norie Ishida

发明人： Haruyoshi Takatsu ,  Sadao Takehara ,  Kiyohumi Takeuchi ,  Masashi Osawa ,  Shinji Ogawa ,  Norie Ishida

IPC分类号： C07B59/00 ,  C07C69/773 ,  C07C255/50 ,  C07C255/55 ,  C09K19/30 ,  C09K19/40 ,  C09K19/42 ,  G02F1/13

CPC分类号： C09K19/402 ,  C07B59/001 ,  C07C255/50 ,  C07C255/55 ,  C09K19/3001 ,  C09K19/3003 ,  C09K19/3028 ,  C09K19/3059 ,  C07C2101/14 ,  C09K2019/0444

摘要： A liquid crystal display comprising a compound of the formula ##STR1## wherein each of Y.sup.1 and Y.sup.2 is independently F, Cl, CN, OCN, SCN, OCF.sub.3, OCF.sub.2 H, OCF.sub.2 CF.sub.3, CF.sub.3, R, --OR, --COOR or --OCOR, wherein R is alkyl, alkenyl or alkoxyalkyl, provided that at least one of Y.sup.1 and Y.sup.2 is R, --OR, --COOR or --OCOR; each of Z, Z.sup.1, Z.sup.2, Z.sup.3 and Z.sup.4 is independently a single bond. CH.sub.2 CH.sub.2 --, --CH.dbd.CH--, --C.dbd.C--, --COO--, --OCO--, --CH.sub.2 O--, OCH.sub.2 --, --(CH.sub.2).sub.4 --, --(CH.sub.2).sub.3 --O-- or --O--(CH.sub.2).sub.3 --: ring A is a group of formula (II): ##STR2## wherein each of X.sup.1, X.sup.2, X.sup.3, X.sup.4, X.sup.5, X.sup.6, X.sup.7, X.sup.8, X.sup.9, and X.sup.10 is independently H or D, provided that at least one of them is D; each of rings K, L, J, M and N is independently trans-1,4-cyclohexylene, 1,4-cyclohexenylene, substituted trans-1,4-cyclohexylene, 1,4-phenylene, substituted 1,4-phenylene, 1,3-dioxane-2,6-diyl, pyrimidine-2,5-diyl, pyridine-2,5-diyl, pyrazine-2,5-diyl or a group of formula (III): ##STR3## wherein each of X.sup.11, X.sup.12, X.sup.13, X.sup.14, X.sup.15, X.sup.16, X.sup.17, X.sup.18, X.sup.19, and X.sup.20 is independently H or D, provided that at least one of them is D; in which the ring of formula (III) may be the same as or different from ring A; and k, l, m, and n each independently is 0 or 1, provided that the sum of k, l, m, and n is 0, 1 or 2. The compound is useful as an electro-optic liquid crystal display material.

摘要翻译： 其中Y1和Y2各自独立地为F，Cl，CN，OCN，SCN，OCF3，OCF2H，OCF2CF3，CF3，R，-OR， -COOR或-OCOR，其中R是烷基，烯基或烷氧基烷基，条件是Y1和Y2中的至少一个是R，-OR，-COOR或-OCOR; Z，Z1，Z2，Z3和Z4各自独立地为单键。 CH 2 CH 2 - ， - CH = CH - ， - C = C - ， - COO-， - OCO-， - CH 2 O - ，OCH 2 - ， - （CH 2）4 - ， - （CH 2）3 -O-或-O- CH 2）3 - ：环A是式（II）的基团：其中X1，X2，X3，X4，X5，X6，X7，X8，X9和X10各自独立地为H或D ，条件是其中至少有一个是D; 环K，L，J，M和N各自独立地为反式-1,4-亚环己基，1,4-亚环己烯基，取代的反式-1,4-亚环己基，1,4-亚苯基，取代的1,4-亚苯基， （III）所示的基团：式（III）的化合物：其中R 1，R 2，R 3，R 3， 其中X11，X12，X13，X14，X15，X16，X17，X18，X19和X20各自独立地为H或D，条件是它们中的至少一个为D; 其中式（III）的环可以与环A相同或不同; 并且k，l，m和n各自独立地为0或1，条件是k，l，m和n的和为0,1或2.该化合物可用作电光液晶显示材料。

公开(公告)号：US5474707A

公开(公告)日：1995-12-12

申请号：US278260

申请日：1994-07-21

申请人： Haruyoshi Takatsu ,  Sadao Takehara ,  Kiyohumi Takeuchi ,  Masashi Osawa ,  Shinji Ogawa ,  Norie Ishida

发明人： Haruyoshi Takatsu ,  Sadao Takehara ,  Kiyohumi Takeuchi ,  Masashi Osawa ,  Shinji Ogawa ,  Norie Ishida

IPC分类号： C07B59/00 ,  C07C69/773 ,  C07C255/50 ,  C07C255/55 ,  C09K19/30 ,  C09K19/40 ,  C09K19/42 ,  G02F1/13 ,  C07C19/08 ,  C09K19/12 ,  C09K19/34

CPC分类号： C09K19/402 ,  C07B59/001 ,  C07C255/50 ,  C07C255/55 ,  C09K19/3001 ,  C09K19/3003 ,  C09K19/3028 ,  C09K19/3059 ,  C07C2101/14 ,  C09K2019/0444

摘要： A cyclic hydrocarbon derivative represented by formula (I): ##STR1## wherein each of Y.sup.1 and Y.sup.2 is independently F, Cl, CN, OCN, SCN, OCF.sub.3, OCF.sub.2 H, OCF.sub.2 CF.sub.3, CF.sub.3, R, --OR, --COOR or --OCOR, wherein R is alkyl, alkenyl or alkoxyalkyl, provided that at least one of Y.sup.1 and Y.sup.2 is R, --OR, --COOR or --OCOR; each of Z, Z.sup.1, Z.sup.2, Z.sup.3 and Z.sup.4 is independently a single bond, --CH.sub.2 CH.sub.2 --, --CH.dbd.CH--, --C.tbd.C--, --COO--, --OCO--, --CH.sub.2 O--, OCH.sub.2 --, --(CH.sub.2).sub.4 --, --(CH.sub.2).sub.3 --O-- or --O--(CH.sub.2).sub.3 --; ring A is group of formula (II): ##STR2## wherein each of X.sup.1, X.sup.2, X.sup.3, X.sup.4, X.sup.5, X.sup.6, X.sup.7, X.sup.8, X.sup.9, and X.sup.10 is independently H or D, provided that at least one of them is D; each of rings K, L, J, M and N is independently trans-1,4-cyclohexylene, 1,4-cyclohexenylene, substituted trans-1,4-cyclohexylene, 1,4-phenylene, substituted 1,4-phenylene, 1,3-dioxane-2,6-diyl, pyrimidine-2,5-diyl, pyridine-2,5-diyl, pyarazine-2,5-diyl or a group of formula (III): ##STR3## wherein each of X.sup.11, X.sup.12, X.sup.13, X.sup.14, X.sup.15, X.sup.16, X.sup.17, X.sup.18, X.sup.19, and X.sup.20 is independently H or D, provided that at least one of them is D; in which the ring of formula (III) may be the same as or different from ring A; and k, l, m, and n each independently is 0 or 1, provided that the sum of k, l, m, and n is 0, 1 or 2. The compound is useful as an electro-optic liquid crystal display material.

摘要翻译： 由式（I）表示的环状烃衍生物：其中Y1和Y2各自独立地为F，Cl，CN，OCN，SCN，OCF3，OCF2H，OCF2CF3，CF3，R，-OR -COOR或-OCOR，其中R是烷基，烯基或烷氧基烷基，条件是Y1和Y2中的至少一个是R，-OR，-COOR或-OCOR; Z，Z 1，Z 2，Z 3和Z 4各自独立地为单键，-CH 2 CH 2 - ， - CH = CH - ， - C 3BOND C - ， - COO - ， - OCO-， - CH 2 O-，OCH 2 - CH2）4-， - （CH2）3-O-或-O-（CH2）3-; 环A是式（II）的基团：其中X 1，X 2，X 3，X 4，X 5，X 6，X 7，X 8，X 9和X 10各自独立地为H或D，条件是至少一个 他们是D 环K，L，J，M和N各自独立地为反式-1,4-亚环己基，1,4-亚环己烯基，取代的反式-1,4-亚环己基，1,4-亚苯基，取代的1,4-亚苯基， （III）的基团：式（III）的化合物：其中R 1，R 2，R 3，R 3， 其中X11，X12，X13，X14，X15，X16，X17，X18，X19和X20各自独立地为H或D，条件是它们中的至少一个为D; 其中式（III）的环可以与环A相同或不同; 并且k，l，m和n各自独立地为0或1，条件是k，l，m和n的和为0,1或2.该化合物可用作电光液晶显示材料。

公开(公告)号：US5304323A

公开(公告)日：1994-04-19

申请号：US984279

申请日：1992-12-01

申请人： Yoshi Arai ,  Toru Fujisawa ,  Kiyohumi Takeuchi ,  Haruyoshi Takatsu ,  Koichiro Adachi ,  Hiroshi Ogawa ,  Kazunori Maruyama

发明人： Yoshi Arai ,  Toru Fujisawa ,  Kiyohumi Takeuchi ,  Haruyoshi Takatsu ,  Koichiro Adachi ,  Hiroshi Ogawa ,  Kazunori Maruyama

IPC分类号： C09K19/54 ,  G02F1/1334 ,  C09K19/52 ,  G02F1/13

CPC分类号： C09K19/542 ,  G02F1/1334 ,  G02F2001/13345

摘要： A liquid crystal device comprising a pair of substrate, at least one of them being transparent, and a light-control layer supported therebetween, wherein said light-control layer comprises a liquid crystal material showing positive dielectric anisotropy and a transparent solid substance, said liquid crystal material forming a continuous phase, and said transparent solid substance existing in said continuous phase in the form of dispersed particles or a three-dimensional network. The device exhibits a clear threshold voltage, a high fast response time and a highly contrast display with a low applied voltage.

摘要翻译： 一种液晶装置，包括一对基板，其中至少一个是透明的，并且支撑在其间的光控层，其中所述光控层包括显示正介电各向异性的液晶材料和透明固体物质，所述液体 形成连续相的晶体材料，所述透明固体物质以分散颗粒或三维网络的形式存在于所述连续相中。 该器件具有清晰的阈值电压，高的快速响应时间和低施加电压的高对比度显示。

公开(公告)号：US5089629A

公开(公告)日：1992-02-18

申请号：US565790

申请日：1990-08-13

申请人： Yasuyuki Tanaka ,  Haruyoshi Takatsu ,  Kiyohumi Takeuchi ,  Yuuji Tamura

发明人： Yasuyuki Tanaka ,  Haruyoshi Takatsu ,  Kiyohumi Takeuchi ,  Yuuji Tamura

IPC分类号： C07C25/18 ,  C07D317/72 ,  C09K19/30

CPC分类号： C07D317/72 ,  C07C25/18 ,  C09K19/3098

摘要： A compound represented by formula (I): ##STR1## wherein wherein R represents a straight chain alkyl group having from 1 to 9 carbon atoms; ##STR2## represents ##STR3## X represents a hydrogen atom or a fluorine atom; and ##STR4## has a trans (equatorial-equatorial) configuration, is disclosed. The compound of formula (I) exhibits a nematic phase in the vicinity of room temperature or in a temperature range higher than room temperature and has a small optical anisotropy and a positive dielectric anisotropy and is, therefore, useful in preparing a liquid crystal display cell excellent in viewing-angle characteristics.

公开(公告)号：US4754051A

公开(公告)日：1988-06-28

申请号：US912474

申请日：1986-09-29

申请人： Makoto Sasaki ,  Kiyohumi Takeuchi ,  Haruyoshi Takatsu

发明人： Makoto Sasaki ,  Kiyohumi Takeuchi ,  Haruyoshi Takatsu

IPC分类号： C09K19/58 ,  C09K19/06 ,  C07C69/76 ,  C09K19/20 ,  C09K19/52

CPC分类号： C09K19/586 ,  C09K19/58

摘要： A novel optically active compound of the formula ##STR1## is capable of forming a chiral nematic liquid crystal composition having short spiral pitch by adding a small amount of it to a generally nematic liquid crystal composition. The compound of this invention is useful in the manufacture of SBE display device which is excellent especially in high level multiplexing driving system.

摘要翻译： 式（IMAGE）的新颖光学活性化合物能够通过向普通向列型液晶组合物中加入少量螺旋形螺旋形的手性向列型液晶组合物而形成。 本发明的化合物可用于制造SBE显示装置，其特别是在高级多路复用驱动系统中是优异的。

公开(公告)号：US4961874A

公开(公告)日：1990-10-09

申请号：US269817

申请日：1988-11-10

申请人： Kiyohumi Takeuchi ,  Makoto Sasaki ,  Haruyoshi Takatsu

发明人： Kiyohumi Takeuchi ,  Makoto Sasaki ,  Haruyoshi Takatsu

IPC分类号： C07C43/215 ,  C09K19/18 ,  C09K19/30

CPC分类号： C07C43/215 ,  C09K19/18 ,  C09K19/3059

摘要： Novel optically active tolan derivative represented by the general formula (I) and process for preparing thereof; ##STR1## (wherein all the symbols are the same as defined in the appended claims) are disclosed. These are effective for use in preparation of liquid crystal material capable of effectively preventing the formation of the cross-talk phenomenon due to changes due to temperature in the high level multiplexing driving system.

公开(公告)号：US4814523A

公开(公告)日：1989-03-21

申请号：US195326

申请日：1988-05-18

申请人： Yasuyuki Tanaka ,  Haruyoshi Takatsu ,  Kiyohumi Takeuchi ,  Yuji Tamura

发明人： Yasuyuki Tanaka ,  Haruyoshi Takatsu ,  Kiyohumi Takeuchi ,  Yuji Tamura

IPC分类号： C07C17/00 ,  C07C17/26 ,  C07C25/18 ,  C07C67/00 ,  C09K19/30 ,  G02F1/13

CPC分类号： C07C25/18 ,  C09K19/3003

摘要： A tetracyclic nematic liquid crystal compound of the following formula: ##STR1## wherein R represents a straight-chained alkyl group carrying one to seven carbon atoms; and ##STR2## has a trans (equatorial-equatorial) configuration; is disclosed. This compound has a high N-I transition temperature and a low S-N transition temperature and is highly useful as an electro-optical display material.

公开(公告)号：US4814516A

公开(公告)日：1989-03-21

申请号：US61242

申请日：1987-06-15

申请人： Kiyohumi Takeuchi ,  Makoto Sasaki ,  Haruyoshi Takatsu

发明人： Kiyohumi Takeuchi ,  Makoto Sasaki ,  Haruyoshi Takatsu

IPC分类号： C07C43/215 ,  C09K19/18 ,  C09K19/30 ,  C09K19/52 ,  C09K19/06

CPC分类号： C07C43/215 ,  C09K19/18 ,  C09K19/3059

摘要： Optically active tolan compounds of the formula ##STR1## wherein R and R' are straight chain alkyl and n is 0 or 1, are useful in the preparation of liquid crystalline materials capable of effectively preventing cross-talk due to temperature changes in high level, multiplexing driving systems.

公开(公告)号：US4946986A

公开(公告)日：1990-08-07

申请号：US315874

申请日：1989-02-27

申请人： Yasuyuki Tanaka ,  Haruyoshi Takatsu ,  Kiyohumi Takeuchi ,  Yuji Tamura

发明人： Yasuyuki Tanaka ,  Haruyoshi Takatsu ,  Kiyohumi Takeuchi ,  Yuji Tamura

IPC分类号： C07C13/28 ,  C07C25/18 ,  C07C255/50 ,  C09K19/30

CPC分类号： C07C255/50 ,  C07C13/28 ,  C07C25/18 ,  C09K19/3098 ,  C07C2101/16

摘要： A novel tetracyclic cyclohexylcyclohexene derivatives represented by formula: ##STR1## wherein ##STR2## n, X and Y are as defined in claim 1, are disclosed. The compounds are useful as electroptic display materials.

公开(公告)号：US4880936A

公开(公告)日：1989-11-14

申请号：US172923

申请日：1988-03-25

申请人： Makoto Sasaki ,  Kiyohumi Takeuchi ,  Haruyoshi Takatsu

发明人： Makoto Sasaki ,  Kiyohumi Takeuchi ,  Haruyoshi Takatsu

IPC分类号： C07D213/30 ,  C09K19/34

CPC分类号： C07D213/30 ,  C09K19/3444

摘要： An optically active compound represented by formula (I): ##STR1## wherein R represents a straight chain alkyl group having from 2 to 12 carbon atoms; R' represents a straight chain alkyl or alkoxy group having from 1 to 20 carbon atoms; C represents an asymmetric carbon atom; A represents ##STR2## and X and Y each represents a hydrogen atom or a fluorine atom, provided that X and Y do not simultaneously represent a fluorine atom. The compound (I) reduces a temperature dependence of the threshold voltage of a nematic liquid crystal composition when added thereto in a small amount.