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公开(公告)号:US4469618A
公开(公告)日:1984-09-04
申请号:US396246
申请日:1982-07-08
申请人: Shinji Hasegawa , Kazuhisa Toriyama , Ludwig Pohl , Georg Weber
发明人: Shinji Hasegawa , Kazuhisa Toriyama , Ludwig Pohl , Georg Weber
CPC分类号: C09K19/3003
摘要: A liquid crystal composition comprising, as the essential components, trans-4-n-propyl-(4-ethylphenyl)-cyclohexane, trans-4-n-propyl-(4-cyanophenyl)-cyclohexane, trans-4-n-pentyl-(4-cyanophenyl)-cyclohexane, trans-4-n-pentyl-(4'-ethylbiphenyl-4)-cyclohexane and 4-(trans-4-n-pentylcyclohexyl)-4'-(trans-4-n-propylcyclohexyl)-biphenyl is drivable over a wide temperature range and can be operated rapidly at low temperatures.
摘要翻译: 一种液晶组合物,其包含反式-4-正丙基 - (4-乙基苯基) - 环己烷,反式-4-正丙基 - (4-氰基苯基) - 环己烷,反式-4-正戊基 - (4-氰基苯基) - 环己烷,反式-4-正戊基 - (4'-乙基联苯-4) - 环己烷和4-(反式-4-正戊基环己基)-4' - (反式-4-正 - 丙基环己基) - 联苯可在较宽的温度范围内驱动,并能在低温下快速操作。
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公开(公告)号:US4464283A
公开(公告)日:1984-08-07
申请号:US396304
申请日:1982-07-08
申请人: Shinji Hasegawa , Kazuhisa Toriyama , Ludwig Pohl , Georg Weber
发明人: Shinji Hasegawa , Kazuhisa Toriyama , Ludwig Pohl , Georg Weber
CPC分类号: C09K19/3001
摘要: A liquid crystal composition comprising trans-4-n-propyl-(4-ethylphenyl)-cyclohexane, trans-4-n-pentyl-(4-cyanophenyl)-cyclohexane, trans-4-n-pentyl-(4' -ethylbiphenyl-4)cyclohexane, trans-4-n-pentyl-(4'-cyanobiphenyl-4)-cyclohexane, 4-n-propylphenyl-4-(trans-4-n-propylcyclohexyl)benzoate, and 4-(trans-4-n-pentyl-cyclohexyl)-4'-(trans-4-n-propylcyclohexyl)-biphenyl is drivable over a wide temperature range and can be operated rapidly at low temperatures.
摘要翻译: 包含反式-4-正丙基 - (4-乙基苯基) - 环己烷,反式-4-正戊基 - (4-氰基苯基) - 环己烷,反式-4-正戊基 - (4'-乙基联苯 -4)环己烷,反-4-正戊基 - (4'-氰基联苯-4) - 环己烷,4-正丙基苯基-4-(反-4-正丙基环己基)苯甲酸酯和4-(反式-4 - 正戊基 - 环己基)-4' - (反式-4-正丙基环己基) - 联苯可在宽的温度范围内驱动,并可在低温下快速操作。
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公开(公告)号:US4118335A
公开(公告)日:1978-10-03
申请号:US730953
申请日:1976-10-08
IPC分类号: C07C69/773 , C07C1/00 , C07C2/64 , C07C15/14 , C07C67/00 , C09K19/12 , C09K19/44 , C09K19/46 , C09K19/54 , G02F1/13
摘要: Biphenyl derivatives of the formula ##STR1## wherein R.sub.1 and R.sub.2 are the same or different and are straight-chain alkyl of 2 - 12 carbon atoms and collectively have at least 5 carbon atoms, are added to known liquid crystalline materials to significantly lower the viscosity thereof.
摘要翻译: 其中R 1和R 2相同或不同并且是2-12个碳原子的直链烷基并且共同具有至少5个碳原子的式“IMAGE”的联苯衍生物加入到已知的液晶材料中以显着降低粘度 其中。
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公开(公告)号:US07186447B2
公开(公告)日:2007-03-06
申请号:US11081707
申请日:2005-03-17
申请人: Georg Weber , Ludwig Pohl , Reinhard Hittich , Herbert Plach , Bernhard Scheuble , Takamasa Oyama , Bernhard Rieger , Hans Adolf Kurmeier , Ekkehard Bartmann
发明人: Georg Weber , Ludwig Pohl , Reinhard Hittich , Herbert Plach , Bernhard Scheuble , Takamasa Oyama , Bernhard Rieger , Hans Adolf Kurmeier , Ekkehard Bartmann
CPC分类号: C09K19/14 , C09K19/02 , C09K19/3001 , C09K19/3028 , C09K19/42 , C09K2019/123 , C09K2019/3027 , Y10T428/10 , Y10T428/1036
摘要: Described are matrix liquid crystal displays having two plane parallel support plates which together with a frame form a cell, integrated non-linear elements for switching individual picture elements on the support plates and a nematic liquid crystal mixture which is present in the cell and has a positive dielectric anisotropy and high resistivity. The liquid crystal mixture has a nematic phase range of at least 60° C., a maximum viscosity at 20° C. of 30 mPa·s and a mean dielectricity constant ε≦8. The liquid crystal mixture contains: a) at least 10% by weight of a liquid-crystalline component B having one or more compounds of the following formulae: and b) up to 90% by weight of a liquid-crystalline component A having one or more compounds with a dielectric anisotropy of −1.5 to 1.5 of the formula I:
摘要翻译: 描述了具有两个平面平行支撑板的矩阵液晶显示器,其与框架形成单元,用于在支撑板上切换各个图像元素的集成非线性元件和存在于单元中的向列型液晶混合物,并且具有 正介电各向异性和高电阻率。 液晶混合物具有至少60℃的向列相,20℃下的最大粘度为30mPa.s,平均介电常数ε= 8。 液晶混合物含有:a)至少10重量%的具有一种或多种下式化合物的液晶组分B:和b)至多90重量%的液晶组分A,其具有一个或多个 具有式I的介电各向异性为-1.5至1.5的更多化合物:
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公开(公告)号:US20050196551A1
公开(公告)日:2005-09-08
申请号:US11081707
申请日:2005-03-17
申请人: Georg Weber , Ludwig Pohl , Reinhard Hittich , Herbert Plach , Bernhard Scheuble , Takamasa Oyama , Bernhard Rieger , Hans Kurmeier , Ekkehard Bartmann
发明人: Georg Weber , Ludwig Pohl , Reinhard Hittich , Herbert Plach , Bernhard Scheuble , Takamasa Oyama , Bernhard Rieger , Hans Kurmeier , Ekkehard Bartmann
CPC分类号: C09K19/14 , C09K19/02 , C09K19/3001 , C09K19/3028 , C09K19/42 , C09K2019/123 , C09K2019/3027 , Y10T428/10 , Y10T428/1036
摘要: The invention relates to a matrix liquid crystal display containing integrated non-linear elements and a liquid crystal mixture which has a particularly high resistivity.
摘要翻译: 本发明涉及一种包含集成非线性元件的矩阵液晶显示器和具有特别高电阻率的液晶混合物。
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公开(公告)号:US6004479A
公开(公告)日:1999-12-21
申请号:US460862
申请日:1995-06-05
申请人: Georg Weber , Ludwig Pohl , Reinhard Hittich , Herbert Plach , Bernhard Scheuble , Takamasa Oyama , Bernhard Rieger , Hans Adolf Kurmeier , Ekkehard Bartmann
发明人: Georg Weber , Ludwig Pohl , Reinhard Hittich , Herbert Plach , Bernhard Scheuble , Takamasa Oyama , Bernhard Rieger , Hans Adolf Kurmeier , Ekkehard Bartmann
CPC分类号: C09K19/14 , C09K19/02 , C09K19/3001 , C09K19/3028 , C09K19/42 , C09K2019/123 , C09K2019/3027 , Y10T428/10 , Y10T428/1036
摘要: The invention relates to a matrix liquid crystal display containing integrated non-linear elements and a liquid crystal mixture which has a particularly high resistivity.
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公开(公告)号:US5122295A
公开(公告)日:1992-06-16
申请号:US458695
申请日:1990-01-05
申请人: Georg Weber , Ludwig Pohl , Reinhard Hittich , Herbert Plach , Bernhard Scheuble , Takamasa Oyama , Bernhard Rieger , Hans Kurmeier , Ekkehard Bartmann
发明人: Georg Weber , Ludwig Pohl , Reinhard Hittich , Herbert Plach , Bernhard Scheuble , Takamasa Oyama , Bernhard Rieger , Hans Kurmeier , Ekkehard Bartmann
CPC分类号: C09K19/42 , C09K19/02 , C09K19/3001 , C09K2019/3027
摘要: The invention relates to a matrix liquid crystal display containing integrated non-linear elements and a liquid crystal mixture which has a particularly high resistivity.
摘要翻译: PCT No.PCT / EP89 / 01226 Sec。 371 1990年1月5日第 102(e)日期1990年1月5日PCT提交1989年10月17日PCT公布。 出版物WO90 / 04623 日期为1990年5月3日。本发明涉及含有非线性元件的矩阵液晶显示器和具有特别高电阻率的液晶混合物。
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公开(公告)号:US4812258A
公开(公告)日:1989-03-14
申请号:US35820
申请日:1987-04-08
申请人: Joachim Krause , Michael Romer , Ludwig Pohl , Bernhard Scheuble , Georg Weber
发明人: Joachim Krause , Michael Romer , Ludwig Pohl , Bernhard Scheuble , Georg Weber
IPC分类号: C07D237/26 , C07D239/26 , C09K19/34 , C09K19/44 , C09K19/46 , G02F1/13
CPC分类号: C07D239/26 , C09K19/3458 , C09K19/3469
摘要: Liquid crystalline fluorine-containing pyrimidine compounds have the formula I ##STR1## wherein R.sup.1 and R.sup.2 are H, R, OR or OCOR, and one of them can also be CN or F, or, if A is a covalent bond, also one or both of R.sup.1 and R.sup.2 can be 4-R.sup.4 -phenyl or 4-R-cyclohexyl, wherein R.sup.4 is R, OR, cyano, f or OCOR; wherein R is an alkyl group of 1 to 12 C atoms; R.sup.3 is F or, if one of the radicals R.sup.1 or R.sup.2 is F or 4-fluorophenyl, also H; Z is 1,3-pyrimidin-2,5-diyl; and A is 1,4-phenylene, 1,4-cyclohexylene or a covalent bond.Fluorine-containing pyrimidine compounds are useful components of liquid crystal dielectrics for electro-optical display devices.
摘要翻译: 液晶含氟嘧啶化合物具有式I的化合物,其中R 1和R 2是H,R,OR或OCOR,它们之一也可以是CN或F,或者如果A是共价键,也可以是一个或 R 1和R 2可以是4-R 4 - 苯基或4-R-环己基,其中R 4是R,OR,氰基,F或OCOR; 其中R是1至12个C原子的烷基; R 3为F,或者如果基团R 1或R 2中的一个为F或4-氟苯基,则为H; Z是1,3-嘧啶-2,5-二基; A是1,4-亚苯基,1,4-亚环己基或共价键。 含氟嘧啶化合物是用于电光显示装置的液晶电介质的有用组分。
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公开(公告)号:US4510069A
公开(公告)日:1985-04-09
申请号:US526927
申请日:1983-08-26
申请人: Rudolf Eidenschink , Gunther Haas , Ludwig Pohl , Michael Romer , Bernhard Scheuble , Georg Weber
发明人: Rudolf Eidenschink , Gunther Haas , Ludwig Pohl , Michael Romer , Bernhard Scheuble , Georg Weber
IPC分类号: C07C13/28 , C07C17/08 , C07C17/18 , C07C23/18 , C07C43/184 , C07C43/21 , C07C43/225 , C07C69/75 , C07C255/28 , C07C255/45 , C07D211/14 , C07D239/26 , C07D239/36 , C07D317/14 , C09K19/00 , C09K19/30 , C09K19/32 , C09K19/34 , C09K19/52 , G02F1/13 , C07C121/46 , C07C121/48 , C07C121/64 , C07D319/06 , C09K3/34
CPC分类号: C07D239/26 , C07C13/28 , C07C17/08 , C07C17/18 , C07C23/18 , C07C255/00 , C07C43/184 , C07C43/21 , C07C43/225 , C07D211/14 , C07D317/14 , C09K19/3001 , C09K19/321 , C09K19/3402 , C09K19/3441 , C09K19/3469 , C09K19/3483 , C07C2101/14 , C09K2019/3422
摘要: Cyclohexane derivatives of formula IR.sup.1 --(A.sup.1).sub.m --Z.sup.1 --A--Z.sup.2 --(A.sup.2).sub.n --R.sup.2 Iwherein R.sup.1 and R.sup.2 are each H, an alkyl group which has 1-10 C atoms and in which one or two CH.sub.2 groups can also be replaced by O atoms, F, CL, Br, CN or --O--COR, A.sup.1 and A.sup.2 are each 1,4-phenylene, 1,4-cyclohexylene, 1,3-dioxane-2,5-diyl, piperidine-1,4-diyl, 1,4-bicyclo(2,2,2)-octylene or pyrimidine-2,5-diyl groups which are unsubstituted or substituted by 1-4 F atoms, A is a 1,4-cyclohexylene group which is substituted in the 1-position and/or 4-position by alkyl, alkoxy, fluorinated alkyl or fluorinated alkoxy, each of which has 1-5 C atoms, F, Cl, Br and/or CN and which can also carry 1 or 2 further F, Cl or Br atoms and/or CN groups, Z.sup.1 and Z.sup.2 are each --CO--O--, --O--CO--, --CH.sub.2 CH.sub.2 --, --OCH.sub.2 --, --CH.sub.2 O-- or a single bond, R is an alkyl group which has 1-5 C atoms, m is 1 or 2 and n is 0 or 1, it being possible, where m=2, for the two groups A.sup.1 to be identical or different from one another; and the acid addition salts of those compounds which are basic,are suitable for use as components of liquid-crystal dielectrics.
摘要翻译: 式I的环己烷衍生物R1-(A1)m-Z1-A-Z2-(A2)n-R2 I其中R1和R2各自为H,具有1-10个C原子的烷基,其中一个或两个CH2 基团也可以被O原子,F,CL,Br,CN或-O-COR取代,A1和A2各自为1,4-亚苯基,1,4-亚环己基,1,3-二恶烷-2,5-二基 ,未取代或被1-4个F原子取代的哌啶-1,4-二基,1,4-二环(2,2,2) - 亚辛基或嘧啶-2,5-二基,A是1,4 - 环己基,其在1-位和/或4-位被烷基,烷氧基,氟化烷基或氟代烷氧基取代,各自具有1-5个C原子,F,Cl,Br和/或CN, 还携带1或2个F,Cl或Br原子和/或CN基团,Z 1和Z 2各自为-CO-O-,-O-CO - , - CH 2 CH 2 - , - OCH 2 - , - CH 2 O-或单键 R为具有1-5个C原子的烷基,m为1或2,n为0或1,m = 2时,两组A1相同或不同; 和碱性的那些化合物的酸加成盐,适合用作液晶电介质的组分。
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公开(公告)号:US5108652A
公开(公告)日:1992-04-28
申请号:US572313
申请日:1990-08-24
申请人: Rudolf Eidenschink , Gunther Haas , Ludwig Pohl , Michael Romer , Bernhard Scheuble , Georg Weber
发明人: Rudolf Eidenschink , Gunther Haas , Ludwig Pohl , Michael Romer , Bernhard Scheuble , Georg Weber
IPC分类号: C07C13/28 , C07C17/08 , C07C17/18 , C07C23/18 , C07C43/184 , C07C43/21 , C07C43/225 , C07C69/75 , C07C255/28 , C07C255/45 , C07D211/14 , C07D239/26 , C07D239/36 , C07D317/14 , C09K19/00 , C09K19/30 , C09K19/32 , C09K19/34 , C09K19/52 , G02F1/13
CPC分类号: C07D239/26 , C07C13/28 , C07C17/08 , C07C17/18 , C07C23/18 , C07C255/00 , C07C43/184 , C07C43/21 , C07C43/225 , C07D211/14 , C07D317/14 , C09K19/3001 , C09K19/321 , C09K19/3402 , C09K19/3441 , C09K19/3469 , C09K19/3483 , C07C2101/14 , C09K2019/3422
摘要: Cyclohexane derivatives of formula IR.sup.1--(A.sup.1).sub.m 13 Z.sup.1 --A--Z.sup.2 --(A.sup.2).sub.n --R.sup.2 Iwherein R.sup.1 and R.sup.2 are each H, an alkyl group which has 1-10 C atoms and in which one or two CH.sub.2 groups can also be replaced by 0 atoms, F, Cl, Br, CN or --O--COR, A.sup.1 and A.sup.2 are each 1,4-phenylene, 1,4-cyclohexylene, 1,3-dioxane-2,5-diyl, piperidine-1,4-diyl, 1,4-bicyclo(2,2,2)-octylene or pyrimidine-2,5-diyl groups which are unsubstituted or substituted by 1-4 F atoms, A is a 1,4-cyclohexylene group which is substituted in the 1-position and/or 4-position by alkyl, alkoxy, fluorinated alkyl or fluorinated alkoxy, each of which has 1-5 C atoms, F, Cl, Br and/or CN and which can also carry 1 or 2 further F, Cl or Br atoms and/or CN groups, Z.sup.1 and Z.sup.2 are each --CO--O--, --O--CO--, --CH.sub.2 CH.sub.2 --, --OCH.sub.2 --, --CH.sub.2 O-- or a single bond, R is an alkyl group which has 1-5 C atoms, m is 1 or 2 and n is 0 or 1, it being possible, where m=2, for the two groups A.sup.1 to be identical or different from one another; and the acid addition salts of those compounds which are basic,are suitable for use as components of liquid-crystal dielectrics.
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