专利快速检索-快速检索全球专利，免费商用专利数据库-IPRDB

51. 发明授权

US06669998B2 Liquid-crystalline medium 有权
标题翻译：液晶介质
公开(公告)号：US06669998B2
公开(公告)日：2003-12-30
申请号：US09985310
申请日：2001-11-02
申请人： Kazuaki Tarumi , Brigitte Schuler , Eike Poetsch , Volker Reiffenrath , Yukiomi Tanaka
发明人： Kazuaki Tarumi , Brigitte Schuler , Eike Poetsch , Volker Reiffenrath , Yukiomi Tanaka
IPC分类号： C09K1912
CPC分类号： C09K19/3001 , C09K19/12 , C09K19/3003 , C09K19/3028 , C09K19/3068 , C09K19/44 , C09K2019/3021 , Y10T428/10
摘要： The invention relates to a liquid-crystalline medium based on a mixture of polar compounds having positive dielectric anisotropy, characterized in that it comprises one or more compounds of the general formula I: in which R, A1, Z1, Y and L are as defined herein.
摘要翻译：本发明涉及一种基于具有正介电各向异性的极性化合物的混合物的液晶介质，其特征在于它包含一种或多种通式I的化合物：其中R，A 1，Z 1， Y和L如本文所定义。

52. 发明授权

US06596350B2 Liquid-crystalline medium 有权
标题翻译：液晶介质
公开(公告)号：US06596350B2
公开(公告)日：2003-07-22
申请号：US09985349
申请日：2001-11-02
申请人： Kazuaki Tarumi , Brigitte Schuler , Eike Poetsch , Volker Reiffenrath , Yukiomi Tanaka
发明人： Kazuaki Tarumi , Brigitte Schuler , Eike Poetsch , Volker Reiffenrath , Yukiomi Tanaka
IPC分类号： C09K1912
CPC分类号： C09K19/3001 , C09K19/12 , C09K19/3003 , C09K19/3028 , C09K19/3068 , C09K19/44 , C09K2019/3021 , Y10T428/10
摘要： The invention relates to a liquid-crystalline medium based on a mixture of polar compounds having positive dielectric anisotropy, characterized in that it comprises one or more compounds of the general formula I in which R, A1, Z1, Y and L are as defined herein.
摘要翻译：本发明涉及一种基于具有正介电各向异性的极性化合物的混合物的液晶介质，其特征在于其包含一种或多种通式Iin的化合物，其中R，A1，Z1，Y和L如本文所定义。

53. 发明授权

US06569505B2 Liquid crystal compounds, liquid crystal medium and liquid crystal display 有权
标题翻译：液晶化合物，液晶介质和液晶显示器
公开(公告)号：US06569505B2
公开(公告)日：2003-05-27
申请号：US09773673
申请日：2001-02-02
申请人： Eike Poetsch , Atsutaka Manabe , Volker Reiffenrath , Marcus Reuter , Volker Meyer , Joachim Krause , Detlef Pauluth
发明人： Eike Poetsch , Atsutaka Manabe , Volker Reiffenrath , Marcus Reuter , Volker Meyer , Joachim Krause , Detlef Pauluth
IPC分类号： C09K1912
CPC分类号： C09K19/02 , C09K19/12 , C09K19/16 , C09K19/42 , C09K19/44 , C09K19/544 , Y10T428/10
摘要： The instant invention relates to liquid crystal media comprising a strongly dielectrically positive component A, preferably comprising isothiocyanate compounds, most preferably compounds of formula I, as given in the text, and a further dielectrically positive component B, preferably comprising terminally polar substituted bi- or terphenyl compounds, most preferably comprising compounds of formula II, as given in the text, further to novel isothiocyanato compounds as well as to liquid crystal displays comprising these media, in particular to PDLC display and most particular to holographic PDLC displays. The instant invention further relates to compounds of formula I wherein the parameters are as as specified in the text.
摘要翻译：本发明涉及液晶介质，其包含强介导的正性组分A，优选包括异硫氰酸酯化合物，最优选如本文中给出的式I化合物和另外的反应性阳性组分B，其优选包含末端极性取代的双三联苯化合物，最优选包含本文给出的式II化合物，进一步涉及新型异硫氰酸酯化合物以及包含这些介质的液晶显示器，特别是PDLC显示器，最特别地涉及全息PDLC显示器。本发明还涉及式I化合物，其中参数如文中所述。

54. 发明授权

US06420584B1 Process for the preparation of ortho-substituted arylmetal compounds and their reaction with electrophilic reagents 有权
标题翻译：邻位取代的芳基金属化合物的制备方法及其与亲电子试剂的反应
公开(公告)号：US06420584B1
公开(公告)日：2002-07-16
申请号：US09465748
申请日：1999-12-17
申请人： Hans Christian Stiasny , Volker Reiffenrath
发明人： Hans Christian Stiasny , Volker Reiffenrath
IPC分类号： C07F708
CPC分类号： C07F1/00 , C07F1/02
摘要： Ortho-substituted arylmetal compounds are prepared by deprotonation of aromatics which have a hydrogen atom in the ortho position relative to at least one halogen atom, one trifluoromethoxy group, one dialkylamino group, one nitrile group, one alkoxy group or one dialkylamido group. The arylmetal compounds can then be reacted with electrophilic reagents. Deprotonation of the aromatics is carried out using alkyl- or arylmetal compounds or metal hydrides in the presence of a catalytic amount of a secondary metal amide.
摘要翻译：正构取代的芳基金属化合物通过在相对于至少一个卤素原子的邻位具有氢原子的芳族化合物去质子化来制备，一个三氟甲氧基，一个二烷基氨基，一个腈基，一个烷氧基或一个二烷基酰氨基。芳基金属化合物然后可以与亲电试剂反应。在催化量的仲金属酰胺的存在下，使用烷基或芳基金属化合物或金属氢化物进行芳族化合物的去质子化。

55. 发明授权

US06326066B1 1,4-disubstituted 2,6-difluorobenzene compounds, and a liquid-crystalline medium 有权
标题翻译： 1,4-二取代的2,6-二氟苯化合物和液晶介质
公开(公告)号：US06326066B1
公开(公告)日：2001-12-04
申请号：US09514895
申请日：2000-02-28
申请人： Eike Poetsch , Volker Meyer , Volker Reiffenrath , Andreas Wachtler , Ulrich Finkenzeller , Hans Adolf Kurmeier , Reinhard Hittich , Bernhard Rieger , David Coates , Simon Greenfield , Robert William Clemitson
发明人： Eike Poetsch , Volker Meyer , Volker Reiffenrath , Andreas Wachtler , Ulrich Finkenzeller , Hans Adolf Kurmeier , Reinhard Hittich , Bernhard Rieger , David Coates , Simon Greenfield , Robert William Clemitson
IPC分类号： C09K1920
摘要： 1,4-disubstituted 2,6-difluorobenzene compound of formula I wherein R is an alkyl or alkenyl radical, A1 and A2 are independently (a) a trans-1,4-cyclohexylene radical in which a CH2 group may be replaced by -O- and/or -S, (b) a 1,4-phenylene radical in which a CH group may be replaced by N, (c) 1,4-cyclohexenylene, 1,4-bicyclo(2,2,2)octylene, piperidine-1,4-diyl, naphthalene-2,6-diyl, decahydronaphthalene-2,6-diyl or 1,2,3,4-tetrahydronaphthalene-2,6-diyl, Z1 and Z2 are —CO—O—, —O—CO—, —CH2O—,—OCH2—, —CH2CH2—, —CH═CH—,—C≡C—or a single bond m and n are 0, 1, 2 or 3, (m+n) is 1, 2 or 3, X is R or F, Cl, CF3, —OCF3, or —OCHF2, —OCF5, —CN or —NCS with the provisos that at least one of the radicals A1 and A2 present in the molecule is and at least one of Z1 or Z2 is —COO—, are suitable as components of liquid-crystalline media.
摘要翻译：式I的1,4-二取代的2,6-二氟苯化合物，其中R是烷基或烯基，A1和A2独立地是（a）反式-1,4-亚环己基，其中CH 2基可以被-O- 和/或-S，（b）其中CH基团可以被N替代的1,4-亚苯基，（c）1,4-亚环己烯基，1,4-双环（2,2,2）辛烯，哌啶-1,4-二基，萘-2,6-二基，十氢萘-2,6-二基或1,2,3,4-四氢化萘-2,6-二基，Z 1和Z 2为-CO-O-， -O-CO-，-CH 2 O - ， - OCH 2 - ， - CH 2 CH 2 - ， - CH = CH - ， - C = C-或单键，n为0,1,2或3，（m + n） 1,2或3，X是R或F，Cl，CF 3，-OCF 3或-OCHF 2，-OCF 5，-CN或-NCS，条件是分子中存在的基团A1和A2中的至少一个是和在 Z1或Z2中的至少一个是-COO-，适合作为液晶介质的组分。

56. 发明授权

US06303194B1 Acetylene derivatives, and liquid-crystalline medium 失效
标题翻译：乙炔衍生物和液晶介质
公开(公告)号：US06303194B1
公开(公告)日：2001-10-16
申请号：US09452166
申请日：1999-12-01
申请人： Volker Reiffenrath , Matthias Bremer
发明人： Volker Reiffenrath , Matthias Bremer
IPC分类号： C09K1934
CPC分类号： C09K19/3068 , C07C13/28 , C07C381/00 , C07C2601/14 , C09K19/0403 , C09K19/3003 , C09K19/3028 , C09K19/3066 , C09K19/3402 , C09K2019/0407 , C09K2019/0414 , C09K2019/0444 , C09K2019/3422 , Y10T428/10
摘要： The invention relates to acetylene derivatives of the formula I in which n, m, R1, R2, X1, X2, X3, X4, Z1, Z2, A1, A2, Q, Y1 and Y2 are as defined below, wherein at least one of the groups X1, X2, X3 and X4 is —C≡C—R3, R3 is H, alkyl(C1-C8), Cl, CN, SF5 or CF3.
摘要翻译：本发明涉及式Iin的炔属衍生物，其中n，m，R1，R2，X1，X2，X3，X4，Z1，Z2，A1，A2，Q，Y1和Y2如下所定义，其中至少一个基团X 1，X 2，X 3和X 4是-C = C-R 3，R 3是H，烷基（C 1 -C 8），Cl，CN，SF 5或CF 3。

57. 发明授权

US6083423A Nematic liquid crystal mixtures and a matrix liquid crystal display 失效
标题翻译：向列液晶混合物和矩阵液晶显示器
公开(公告)号：US6083423A
公开(公告)日：2000-07-04
申请号：US816135
申请日：1997-03-12
申请人： Bernhard Rieger , Volker Reiffenrath , Reinhard Hittich
发明人： Bernhard Rieger , Volker Reiffenrath , Reinhard Hittich
IPC分类号： G02F1/137 , C09K19/02 , C09K19/04 , C09K19/12 , C09K19/14 , C09K19/30 , C09K19/42 , C09K19/44 , G02F1/13 , G02F1/139
CPC分类号： C09K19/42 , C09K19/0208 , C09K19/0403 , C09K19/12 , C09K19/14 , C09K19/30 , C09K19/3028 , C09K19/44 , C09K2019/0407 , C09K2019/0444
摘要： The invention relates to a nematic liquid crystal mixture having a positive dielectric anisotropy .DELTA..epsilon. of at least +4 and a birefringence .DELTA.n of at least 0.12, characterized in that the mixtures comprises one or more components having the core structure ##STR1## wherein L.sup.1, L.sup.2, Y and Z are each independently of one another H or F, one of Q.sup.1 and Q.sup.2 is 1,4-phenylene, 3-fluoro-1,4-phenylene or 3,5-difluoro-1,4-phenylene and the other residue Q.sup.1 or Q.sup.2 is --CH.sub.2 CH.sub.2 --, --CH.sub.2 CH.sub.2 CH.sub.2 CH.sub.2 -- or -- if at least one of L.sup.1, L.sup.2, Y and Z denotes F-- also a single bond, whereby this core structure can be optionally further fluorinated in the benzene rings.
摘要翻译：本发明涉及具有至少+4的正介电各向异性DELTAε和至少0.12的双折射DELTA n的向列型液晶混合物，其特征在于所述混合物包含一种或多种具有核心结构的组分，其中L1，L2， Y和Z各自独立地为H或F，Q1和Q2之一为1,4-亚苯基，3-氟-1,4-亚苯基或3,5-二氟-1,4-亚苯基，其余残基如果L1，L2，Y和Z中的至少一个表示F-也是单键，则Q1或Q2是-CH2CH2-，-CH2CH2CH2CH2-或 - ，其中该核心结构可任选地在苯环中进一步氟化。

58. 发明授权

US5725796A Liquid-crystal display 失效
标题翻译：液晶显示器
公开(公告)号：US5725796A
公开(公告)日：1998-03-10
申请号：US461737
申请日：1995-06-05
申请人： Ulrich Finkenzeller , Herbert Plach , Eike Poetsch , Volker Reiffenrath
发明人： Ulrich Finkenzeller , Herbert Plach , Eike Poetsch , Volker Reiffenrath
IPC分类号： C09K19/02 , C09K19/04 , C09K19/30 , C09K19/42 , G02F1/13 , G02F1/133 , G09F9/35 , C09K19/52
CPC分类号： C09K19/0403 , C09K19/0208 , C09K19/3003 , C09K2019/0407 , C09K2019/0444
摘要： The invention relates to a liquid-crystal display based on a twisted nematic cell and having two substrates provided with electrode layers and alignment layers thereon and, with a frame, forming a cell, a nematic liquid-crystal mixture having positive dielectric anisotropy present in the cell, and a twist angle of the liquid-crystal layer in the cell with a value of between 0.degree. and 600.degree. from alignment layer to alignment layer,whose liquid-crystal mixture is based on medium-polarity compounds of the SFM type which are selected so that the liquid-crystal mixture has a viscosity at 20.degree. C. of less than 30 mm.sup.2 s.sup.-1 and has a value of K/.DELTA..di-elect cons..ltoreq.1.5 for the quotient of the Frank constant K ##EQU1## and the dielectric anisotropy .DELTA..di-elect cons. .DELTA..di-elect cons.=.di-elect cons..vertline.-.di-elect cons..sub..perp.when used in a TN cell (.nu.=.pi./2, d/p
摘要翻译：本发明涉及一种基于扭转向列单元的液晶显示器，具有在其上设置有电极层和取向层的两个基板，并且具有形成单元的框架，存在于该介质各向异性中的正的介电各向异性的向列型液晶混合物电池中的液晶层和从配向层到取向层的值在0〜600度之间的电池中的液晶层的扭转角，其液晶混合物基于SFM型的中极性化合物选择为使得液晶混合物在20℃下的粘度小于30mm 2 s -1，并且具有值+ E，ovs K + EE / DELTA +531 <= 1.5，对于Frank的商常数+ E，ovs K + EE 和介电常数各向异性DELTA +531 DELTA +531 = + 531 | - + 531当在TN单元中使用ORTHOGONAL（nu = pi / 2，d / p << 1）+ E，ovs K + EE / DELTA +531

59. 发明授权

US5641429A Fluorobenzene derivatives and liquid-crystalline medium 失效
标题翻译：氟苯衍生物和液晶介质
公开(公告)号：US5641429A
公开(公告)日：1997-06-24
申请号：US529393
申请日：1995-09-18
申请人： Volker Reiffenrath , Hans Adolf Kurmeier , Eike Poetsch , Herbert Plach , Ulrich Finkenzeller , Ekkehard Bartmann , Joachim Krause , Bernhard Scheuble
发明人： Volker Reiffenrath , Hans Adolf Kurmeier , Eike Poetsch , Herbert Plach , Ulrich Finkenzeller , Ekkehard Bartmann , Joachim Krause , Bernhard Scheuble
IPC分类号： G02F1/13 , C07C17/093 , C07C17/12 , C07C17/26 , C07C17/269 , C07C25/18 , C07C25/24 , C07C43/174 , C07C43/225 , C07C255/32 , C07D213/63 , C07D213/64 , C07D239/26 , C07D239/34 , C09K19/12 , C09K19/14 , C09K19/30 , C09K19/32 , C09K19/34 , C09K19/42
CPC分类号： C07C17/263 , C07C17/093 , C07C17/12 , C07C17/2632 , C07C17/2635 , C07C17/2637 , C07C17/269 , C07C25/18 , C07C25/24 , C07C43/1742 , C07C43/225 , C07D213/64 , C09K19/12 , C09K19/14 , C09K19/3001 , C09K19/3003 , C09K19/3028 , C09K19/3048 , C09K19/321 , C09K19/322 , C09K19/34 , C09K19/3402 , C09K19/3441 , C09K19/3444 , C07C2101/14 , C09K2019/325 , C09K2019/326 , C09K2019/3422
摘要： Fluorobenzene derivatives of formula I, ##STR1## in which R an alkenyl radical as further defined in the specification,A.sup.1 and A.sup.2 are a trans-1,4-cyclohexylene radical, 1,4-phenylene radical or other cyclic structure as further defined in the specification,Z.sup.1 and Z.sup.2 are a single bond or bridging group,L is H or F,m is 0, 1 or 2,Y is F or Cl, andQ is a single bond.
摘要翻译：式I的氟苯衍生物，其中R为在说明书中进一步定义的烯基，A1和A2为反式-1,4-亚环己基，1,4-亚苯基或其它环状结构，如说明书中，Z 1和Z 2为单键或桥键基，L为H或F，m为0,1或2，Y为F或Cl，Q为单键。

60. 发明授权

US5626793A Liquid-crystalline compounds 失效
标题翻译：液晶化合物
公开(公告)号：US5626793A
公开(公告)日：1997-05-06
申请号：US464938
申请日：1995-06-05
申请人： Volker Reiffenrath , Herbert Plach , Detlef Pauluth , Reinhard Hittich , Eike Poetsch , Thomas Geelhaar , Georg Weber , Ekkehard Bartmann
发明人： Volker Reiffenrath , Herbert Plach , Detlef Pauluth , Reinhard Hittich , Eike Poetsch , Thomas Geelhaar , Georg Weber , Ekkehard Bartmann
IPC分类号： C07C17/26 , C07C17/269 , C07C17/354 , C07C25/18 , C07C25/24 , C07C39/42 , C07C43/174 , C07C43/192 , C07C43/225 , C07C63/72 , C07C69/76 , C09K19/12 , C09K19/30
CPC分类号： C07C17/263 , C07C17/2632 , C07C17/2635 , C07C17/269 , C07C17/354 , C07C25/18 , C07C25/24 , C07C39/42 , C07C43/1747 , C07C43/192 , C07C43/225 , C07C63/72 , C07C69/76 , C09K19/12 , C09K19/3003 , C09K19/3028 , C09K19/3048 , C07C2101/14 , C09K2019/0407 , C09K2019/0444
摘要： A nematic liquid crystalline medium having at least two liquid crystalline components with at least one being of formula I ##STR1## wherein R is H, a straight-chain alkyl or alkenyl radical having 1 to 15 carbon atoms, it also being possible to replace one or more CH.sub.2 groups in these radicals, independently of one another, by --O--, --S--, ##STR2## --CO--, --CO--O--, --O--CO-- or --O--CO--O-- in such a way that oxygen atoms are not linked directly to one another,Z.sub.1 and Z are each, independently of one another, --CH.sub.2 --CH.sub.2 --, --CH.dbd.CH--, --C.tbd.C-- or a single bond, and one of the radicals Z.sup.1 and Z is alternatively --(CH.sub.2).sub.4 -- or --CH.dbd.CH--CH.sub.2 CH.sub.2 --,A and A.sup.1 are each, independently of one another, trans-1,4-cyclohexylene in which, in addition, one or two non-adjacent CH.sub.2 groups may be replaced by --O--, or are 1,4-phenylene which is unsubstituted or monosubstituted or disubstituted by fluorine and/or Cl atoms and in which, in addition, one or two CH groups may be replaced by N,m is 0, 1, 2 or 3,o and s are 0, 1 or 2, where (s+o) is >2.These liquid crystalline media find use in electro-optical display elements.
摘要翻译：具有至少两个液晶组分的向列型液晶介质，其中至少一个具有式I！其中R为H，具有1至15个碳原子的直链烷基或烯基，也可以通过-O - ， - S - 取代这些基团中的一个或多个CH 2基团，彼此独立地取代，！！ -CO-，-CO-O-，-O-CO-或-O-CO-O-，使得氧原子彼此不直接连接，Z1和Z各自彼此独立地， CH 2 -CH 2 - ， - CH = CH - ， - C 3BOND C - 或单键，基团Z 1和Z Z中的一个可选地是 - （CH 2）4 - 或-CH = CH-CH 2 CH 2 - ，A和A 1 各自独立地为反式-1,4-亚环己基，此外，其中一个或两个不相邻的CH 2基团可被-O-取代，或者是未取代或单取代或二取代的1,4-亚苯基另外，一个或两个CH基团可以被N替代，m是0,1,2或3，o和s是0,1或2，其中（s + o ）是> 2。这些液晶介质用于电光显示元件。

你已经成功收藏专利！

检索式保存成功!

IPRDB

热门服务

关于我们

友情链接

联系方式