利索-全球专利检索

  1. 登录
  2. 注册

搜索结果

16 条记录 (耗时 0.017 秒)

    Aligned liquid crystal layer containing onium salts and process for increasing the tilt
    4.
    发明申请
    Aligned liquid crystal layer containing onium salts and process for increasing the tilt 审中-公开
    含有鎓盐的对准液晶层和增加倾斜的工艺

    公开(公告)号：US20050129875A1

    公开(公告)日：2005-06-16

    申请号：US10736342

    申请日：2003-12-15

    申请人： Deepak Shukla ,  Thomas Welter ,  James Elman ,  Samir Farid

    发明人： Deepak Shukla ,  Thomas Welter ,  James Elman ,  Samir Farid

    IPC分类号： C09K19/58 ,  C09K19/00

    CPC分类号： C09K19/582 ,  Y10T428/1005

    摘要： Disclosed is a multilayer film comprising a substrate bearing an aligned liquid crystal layer wherein the liquid crystal layer contains an onium salt represented by formula (I): (R)bM+X−  Iwherein: each R is an independently selected straight, branched or cyclic alkyl group or an aromatic group and b is 2, 3, or 4; M+ is a cation chosen from periodic group Va, VIa, and VIIa of the Periodic Table of Elements; and X− is a counter-ion; provided the salt may be present as an oligomeric or polymeric form of the salt.

    摘要翻译： 公开了一种多层膜，其包含具有取向液晶层的基板，其中液晶层包含由式（I）表示的鎓盐：<？在线公式描述=“在线公式”末端=“铅” （R）＆lt;＆lt;＆lt;＆lt;＆lt; / i＆gt; I in-line-formula description =“In-line Formulas”end =“ 尾“→其中：每个R是独立选择的直链，支链或环状烷基或芳基，b是2,3或4; M +是选自周期表元素周期表Va，VIa和VIIa的阳离子; 而X - 是一种抗衡离子; 只要盐可以作为盐的低聚或聚合形式存在。

    Photochemically active chiral compounds and compositions containing the same
    6.
    发明申请
    Photochemically active chiral compounds and compositions containing the same 有权
    光化学活性的手性化合物和含有它们的组合物

    公开(公告)号：US20060124899A1

    公开(公告)日：2006-06-15

    申请号：US11013091

    申请日：2004-12-15

    申请人： Thomas Welter

    发明人： Thomas Welter

    IPC分类号： C09K19/32 ,  C09K19/52

    CPC分类号： C09K19/32 ,  C09K19/3483 ,  C09K19/3491 ,  C09K2019/327 ,  C09K2019/3408

    摘要： The present invention relates to a phototunable chiral dopant represented by the following structure: wherein: A, B, C and D are independent divalent groups; X and Z are any independently selected substituent; n is an integer and independently varies from 0 to 3; q is an integer and independently varies from 0 to 5; RNG1 and RNG2 independently represent any ring group; m represents an integer independently varying from 0 to 4; p represents an integer independently varying from 1 to 4; Q independently represents a carbon C—RC, or nitrogen, wherein RC is independently hydrogen or any substituent. The invention also relates to the use of the dopant in a liquid crystalline composition and a display containing the same, as well as a material composition comprising an enantiomeric excess of one enantiomer of the compound.

    摘要翻译： 本发明涉及由以下结构表示的无光可动手性掺杂剂：其中：A，B，C和D是独立的二价基团; X和Z是任意独立选择的取代基; n为整数，独立地为0至3; q为整数，独立地为0至5; RNG1和RNG2独立地表示任何环基团; m表示独立地为0至4的整数; p表示独立地为1至4的整数; Q独立地表示碳C-R 1 C或氮，其中R C独立地是氢或任何取代基。 本发明还涉及在液晶组合物中的掺杂剂的用途以及包含该掺杂剂的显示器，以及包含该化合物的一个对映异构体的对映体过量的材料组合物。

    Contrast chiral nematic liquid crystal displays
    7.
    发明申请
    Contrast chiral nematic liquid crystal displays 有权
    对比度手性向列型液晶显示器

    公开(公告)号：US20050270441A1

    公开(公告)日：2005-12-08

    申请号：US10860973

    申请日：2004-06-04

    申请人： Krishnan Chari ,  Charles Rankin ,  Thomas Welter

    发明人： Krishnan Chari ,  Charles Rankin ,  Thomas Welter

    IPC分类号： G02F1/1333 ,  G02F1/1334 ,  G02F1/137

    CPC分类号： G02F1/13718 ,  G02F1/1334 ,  G02F1/13725 ,  G02F2001/13775

    摘要： The present invention relates to a bistable polymer dispersed liquid crystal display comprising a support, at least one patterned first conductor layer having thereon at least one dried imaging layer comprising a substantial monolayer of isolated domains of liquid crystal material dispersed in a continuous polymer matrix, wherein said dried imaging layer further comprises at least one absorber colorant, and wherein said isolated domains have a size distribution such that the coefficient of variation (cv) is less than 0.35.

    摘要翻译： 双稳态聚合物分散液晶显示器技术领域本发明涉及一种双稳态聚合物分散液晶显示器，其包含支撑体，至少一个图案化的第一导体层，其上具有至少一个干燥的成像层，该成像层包含分散在连续聚合物基质中的基本单层的分离的液晶材料区域 所述干燥的成像层还包括至少一种吸收剂着色剂，并且其中所述分离的区域具有使得变异系数（cv）小于0.35的尺寸分布。

    Tetraoxybiphenyl ester chiral dopants for cholesteric liquid crystal displays
    8.
    发明授权
    Tetraoxybiphenyl ester chiral dopants for cholesteric liquid crystal displays 有权
    用于胆甾型液晶显示器的四氧联苯酯手性掺杂剂

    公开(公告)号：US08691111B2

    公开(公告)日：2014-04-08

    申请号：US13456622

    申请日：2012-04-26

    申请人： Donald R. Diehl ,  Thomas Welter ,  Erica N. Montbach ,  J. William Doane ,  Nithya Venkataraman

    发明人： Donald R. Diehl ,  Thomas Welter ,  Erica N. Montbach ,  J. William Doane ,  Nithya Venkataraman

    IPC分类号： C09K19/34 ,  C09K19/52 ,  C09K19/06 ,  C09K19/32 ,  C09K19/20 ,  C09K19/00 ,  C07D321/00 ,  C07D493/00 ,  C07D313/00 ,  C07D323/00

    CPC分类号： C09K19/586 ,  C09K19/588 ,  Y10T428/10 ,  Y10T428/1036

    摘要： A liquid crystal composition comprising a chiral dopant compound represented by the following formula: wherein: R1, R2 are independently aryl, alkyl, alkenyl, cycloalkyl, alkoxyaryl, alkaryl or heterocyclic all either substituted or unsubstituted, or combine to form a carbocyclic or heterocyclic ring; R3 and R4 are independently hydrogen, halogen, cyano, alkoxy, NHCOR7, NHSO2R7, COOR7, OCOR7, aryl, alkyl, alkenyl, cycloalkyl, alkoxyaryl, alkaryl or heterocyclic all either substituted or unsubstituted, or combine with either R1 or R2 to form a carbocylic or heterocyclic ring; R5 and R6 are independently hydrogen, CH2, CH, alkyl or aryl either substituted or unsubstituted, COOR7, or combine with L to form a carbocyclic or heterocyclic ring; R7 is aryl, alkyl, alkenyl, cycloalkyl, alkoxyaryl or heterocyclic all either substituted or unsubstituted; L is the non-metallic elements required to form a carbocyclic or heterocyclic ring, or a single bond or a double bond; m is 1-3; n is 0-12.

    摘要翻译： 一种液晶组合物，其包含由下式表示的手性掺杂剂化合物：其中：R 1，R 2独立地为取代或未取代的芳基，烷基，烯基，环烷基，烷氧基芳基，烷芳基或杂环，或组合形成碳环或杂环 ; R 3和R 4独立地为氢，卤素，氰基，烷氧基，NHCOR 7，NHSO 2 R 7，COOR 7，OCOR 7，芳基，烷基，烯基，环烷基，烷氧基芳基，烷芳基或杂环，均为取代或未取代的，或与R 1或R 2结合形成 碳环或杂环; R 5和R 6独立地是氢，CH 2，CH，被取代或未取代的COOR 7的烷基或芳基，或与L结合以形成碳环或杂环; R7是芳基，烷基，烯基，环烷基，烷氧基芳基或杂环，全部是取代或未取代的; L是形成碳环或杂环或单键或双键所需的非金属元素; m为1-3; n为0-12。

    Aligned liquid crystal layer containing onium salts and process for increasing the tilt
    9.
    发明申请
    Aligned liquid crystal layer containing onium salts and process for increasing the tilt 审中-公开
    含有鎓盐的对准液晶层和增加倾斜的工艺

    公开(公告)号：US20060068123A1

    公开(公告)日：2006-03-30

    申请号：US11282409

    申请日：2005-11-18

    申请人： Deepak Shukla ,  Thomas Welter ,  James Elman ,  Samir Farid

    发明人： Deepak Shukla ,  Thomas Welter ,  James Elman ,  Samir Farid

    IPC分类号： B05D3/00

    CPC分类号： C09K19/582 ,  Y10T428/1005

    摘要： A process for forming a fixed liquid crystal layer having a predetermined tilt on an orientation layer comprises: a) adding a predetermined amount of an onium salt to a liquid crystal pre-polymer coating solution containing a liquid crystal pre-polymer and a UV initiator selected from the group consisting of benzophenone and acetophenone and their derivatives; benzoin, benzoin ethers, benzil, benzil ketals, fluorenone, xanthanone, alpha and beta naphthyl carbonyl compounds and ketones; b) coating the solution over the orientation layer; c) drying the coating to form a layer; and then d) UV irradiating the layer to fix the liquid crystal molecules.

    摘要翻译： 在取向层上形成具有预定倾斜度的固定液晶层的方法包括：a）将预定量的鎓盐加入到含有液晶预聚物和选择的UV引发剂的液晶预聚物涂布溶液中 由二苯甲酮和苯乙酮及其衍生物组成的组; 苯偶姻，苯偶姻醚，苯偶酰，苯偶酰缩酮，芴酮，呫吨酮，α和β萘基羰基化合物和酮; b）将溶液涂覆在取向层上; c）干燥涂层以形成层; 然后d）UV照射该层以固定液晶分子。

    Aligned liquid crystal layer containing azolium salts and process for increasing the tilt
    10.
    发明申请
    Aligned liquid crystal layer containing azolium salts and process for increasing the tilt 失效
    含有偶氮盐的对准液晶层和增加倾斜度的工艺

    公开(公告)号：US20050129874A1

    公开(公告)日：2005-06-16

    申请号：US10736392

    申请日：2003-12-15

    申请人： Deepak Shukla ,  Thomas Welter ,  James Elman ,  Samir Farid

    发明人： Deepak Shukla ,  Thomas Welter ,  James Elman ,  Samir Farid

    IPC分类号： C09K19/58 ,  C09K19/52 ,  C09K19/54

    CPC分类号： C09K19/584 ,  Y10T428/10 ,  Y10T428/1005 ,  Y10T428/1036

    摘要： Disclosed is a multilayer film comprising a substrate bearing an aligned liquid crystal layer wherein the aligned liquid crystal layer contains an azolium salt represented by formula (I): wherein the subscripts represent the ring positions and each X is independently N or C—R; each Z is independently N, N—R, C—(R)(R), 0, S, S02, SO, C═O, C═S, or C═NR; each R group is independently hydrogen or a substituent; and Y is a charge balancing anion, which may be a separate moiety or part of an X, Z, or R; provided two or more X, Z and R groups may form a ring; provided the salt may be part of an oligomer or polymer. Such a film provides a predetermined increase in pre-tilt angle for use in liquid crystal devices.

    摘要翻译： 公开了一种多层膜，其包含具有取向的液晶层的基板，其中所述取向的液晶层包含由式（I）表示的唑鎓盐：其中下标表示环位置，并且每个X独立地为N或C-R; 每个Z独立地为N，N-R，C（R）（R），O，S，SO 2，SO，C-O，C-S或C-NR; 每个R基团独立地为氢或取代基; 并且Y是电荷平衡阴离子，其可以是X，Z或R的单独部分或部分; 提供两个或多个X，Z和R基团可以形成环; 条件是盐可以是低聚物或聚合物的一部分。 这样的薄膜提供用于液晶装置的预倾斜角度的预定增加。