专利快速检索-快速检索全球专利，免费商用专利数据库-IPRDB

1. 发明申请

US20060091357A1 Photochemically active chiral compounds and compositions containing the same 有权
公开(公告)号：US20060091357A1
公开(公告)日：2006-05-04
申请号：US10977110
申请日：2004-10-29
申请人： Thomas Welter , Krishnan Chari
发明人： Thomas Welter , Krishnan Chari
IPC分类号： C09K19/52 , C09K19/58 , C07C69/76 , C07C67/02
CPC分类号： C09K19/32 , C09K19/3477 , C09K19/3491 , C09K19/586 , C09K19/588 , 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.

2. 发明申请

US20050072961A1 Chiral compounds and compositions containing the same 有权
标题翻译：手性化合物和含有它们的组合物
公开(公告)号：US20050072961A1
公开(公告)日：2005-04-07
申请号：US10651692
申请日：2003-08-29
申请人： Thomas Welter , Krishnan Chari
发明人： Thomas Welter , Krishnan Chari
IPC分类号： C07C39/17 , C07C43/20 , C07C43/23 , C07C49/792 , C07C49/84 , C07C69/00 , C07C69/94 , C07C255/57 , C09K19/32 , C09K19/58 , C09K19/52
CPC分类号： C07C39/17 , C07B2200/07 , C07C43/23 , C07C49/792 , C07C49/84 , C07C255/57 , C07C2603/94 , C09K19/586 , C09K19/588 , Y10T428/10
摘要： The invention relates to a novel class of compounds useful as chiral dopants, which compounds are available in both enantiomeric forms. Another aspect of the invention relates to such compounds having a enantiomeric excess of one enantiomeric form, which are useful in liquid crystal formulations. Such formulations are advantageous in displays and various other products.
摘要翻译：本发明涉及可用作手性掺杂剂的新一类化合物，该化合物可以两种对映体形式获得。本发明的另一方面涉及具有一种对映体形式的对映异构体过量的这些化合物，其可用于液晶制剂。这种制剂在显示器和各种其他产品中是有利的。

3. 发明申请

US20050270441A1 Contrast chiral nematic liquid crystal displays 有权
标题翻译：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。

4. 发明授权

US10265263B2 Surfactant responsive emulsion polymerized micro-gels 有权
公开(公告)号：US10265263B2
公开(公告)日：2019-04-23
申请号：US14344774
申请日：2012-09-13
申请人： Shui-Jen Raymond Hsu , Krishnan Chari , Wei-Yeih Yang , Prachur Bhargava , Murat Kadir
发明人： Shui-Jen Raymond Hsu , Krishnan Chari , Wei-Yeih Yang , Prachur Bhargava , Murat Kadir
IPC分类号： A61K8/81 , C08K3/20 , C09K8/035 , C09K8/60 , C09K8/68 , A61K8/04 , A61K8/42 , A61K8/46 , A61Q19/00 , C08K5/20 , C08K5/41 , C09K8/12 , C09K8/80 , A61K8/84
摘要： A stable, aqueous composition containing a crosslinked, nonionic, amphiphilic polymer capable of forming a yield stress fluid in the presence of a surfactant is disclosed. The yield stress fluid is capable of suspending insoluble materials in the form of particulates and/or droplets requiring suspension or stabilization.

5. 发明授权

US07704568B2 Sensitized photochemical switching for cholesteric liquid crystal displays 失效
标题翻译：用于胆甾型液晶显示器的敏化光化学切换
公开(公告)号：US07704568B2
公开(公告)日：2010-04-27
申请号：US12331773
申请日：2008-12-10
申请人： Deepak Shukla , Krishnan Chari
发明人： Deepak Shukla , Krishnan Chari
IPC分类号： C09K19/52 , C09K19/58 , G02F1/133 , G11B7/244 , G11B7/245
CPC分类号： C09K19/586 , C09K19/588 , Y10T428/10 , Y10T428/1036 , Y10T428/1055
摘要： The present invention relates to photo-tunable dopant compositions comprising a photo-reactive chiral compound capable of undergoing a photochemical reaction resulting in the loss of chirality, and a triplet sensitizer. The present invention also relates to a display comprising a substrate, a liquid crystalline layer thereon, wherein the liquid crystalline layer comprises a nematic host, at least one chiral dopant, a photo-reacted compound, and a triplet sensitizer, and at least one transparent conductive layer. The present invention also relates to a method of tuning a cholesteric liquid crystal material comprising providing at least one mesogenic compound, at least one triplet sensitizer, and at least one photo-reactive chiral compound; combining the at least one mesogenic compound, at least one triplet sensitizer, and at least one photo-reactive chiral compound to form a mixture; and irradiating the mixture for a period of time.
摘要翻译：本发明涉及光可掺杂掺杂剂组合物，其包含能够经历导致手性丧失的光化学反应的光反应性手性化合物和三线态敏化剂。本发明还涉及一种显示器，其包括基底，其上的液晶层，其中所述液晶层包括向列型主体，至少一种手性掺杂剂，光反应化合物和三线态敏化剂，以及至少一种透明导电层。本发明还涉及一种调节胆甾型液晶材料的方法，包括提供至少一种介晶化合物，至少一种三线态敏化剂和至少一种光反应性手性化合物; 组合所述至少一种介晶化合物，至少一种三线态敏化剂和至少一种光反应性手性化合物以形成混合物; 并将混合物照射一段时间。

6. 发明申请

US20100068418A1 Sensitized Photochemical Switching for Cholesteric Liquid Crystal Displays 有权
标题翻译：用于胆固醇液晶显示器的敏化光化学转换
公开(公告)号：US20100068418A1
公开(公告)日：2010-03-18
申请号：US12622534
申请日：2009-11-20
申请人： Deepak Shukla , Krishnan Chari
发明人： Deepak Shukla , Krishnan Chari
IPC分类号： C09K19/02 , C09K19/00
CPC分类号： C09K19/586 , C09K19/588 , Y10T428/10 , Y10T428/1036 , Y10T428/1055
摘要： The present invention relates to photo-tunable dopant compositions comprising a photo-reactive chiral compound capable of undergoing a photochemical reaction resulting in the loss of chirality, and a triplet sensitizer. The present invention also relates to a display comprising a substrate, a liquid crystalline layer thereon, wherein the liquid crystalline layer comprises a nematic host, at least one chiral dopant, a photo-reacted compound, and a triplet sensitizer, and at least one transparent conductive layer. The present invention also relates to a method of tuning a cholesteric liquid crystal material comprising providing at least one mesogenic compound, at least one triplet sensitizer, and at least one photo-reactive chiral compound; combining the at least one mesogenic compound, at least one triplet sensitizer, and at least one photo-reactive chiral compound to form a mixture; and irradiating the mixture for a period of time.
摘要翻译：本发明涉及光可掺杂掺杂剂组合物，其包含能够经历导致手性丧失的光化学反应的光反应性手性化合物和三线态敏化剂。本发明还涉及一种显示器，其包括基底，其上的液晶层，其中所述液晶层包括向列型主体，至少一种手性掺杂剂，光反应化合物和三线态敏化剂，以及至少一种透明导电层。本发明还涉及一种调节胆甾型液晶材料的方法，包括提供至少一种介晶化合物，至少一种三线态敏化剂和至少一种光反应性手性化合物; 组合所述至少一种介晶化合物，至少一种三线态敏化剂和至少一种光反应性手性化合物以形成混合物; 并将混合物照射一段时间。

7. 发明申请

US20090316417A1 Light-redirecting article 审中-公开
标题翻译：光重定向文章
公开(公告)号：US20090316417A1
公开(公告)日：2009-12-24
申请号：US12214745
申请日：2008-06-20
申请人： Krishnan Chari , Charles W. Lander , Charles C. Anderson
发明人： Krishnan Chari , Charles W. Lander , Charles C. Anderson
IPC分类号： F21V5/00 , G02B5/30
CPC分类号： G02B6/0065 , G02B6/0051 , G02B6/0053 , G02F1/133606 , G02F2001/133507 , G02F2001/133607
摘要： A method for forming a light-redirecting article is provided wherein a surface of a substrate is conditioned by applying a layer of an embedment material. A close-packed layer of microspheres is assembled using drying-assisted self-assembly and applied to the conditioned surface. Microspheres are then embedded halfway into the surface of the layer of the embedment material.
摘要翻译：提供了一种用于形成光重定向制品的方法，其中通过施加一层嵌入材料对衬底的表面进行调理。使用干燥辅助的自组装装配紧密堆积的微球层，并施加到调理表面。然后将微球中途嵌入到嵌入材料层的表面中。

8. 发明授权

US07507449B2 Displays with low driving voltage and anisotropic particles 有权
标题翻译：显示低驱动电压和各向异性粒子
公开(公告)号：US07507449B2
公开(公告)日：2009-03-24
申请号：US11442811
申请日：2006-05-30
申请人： Krishnan Chari , David M. Johnson , Charles M. Rankin, Jr. , Glen C. Irvin, Jr.
发明人： Krishnan Chari , David M. Johnson , Charles M. Rankin, Jr. , Glen C. Irvin, Jr.
IPC分类号： C09K19/00 , C09K19/52
CPC分类号： C09K19/0225 , B82Y20/00 , C09K19/52 , C09K19/54 , G02F1/13439 , G02F1/13718 , G02F2001/13775 , G02F2202/36 , G02F2203/02 , Y10T428/10 , Y10T428/1005 , Y10T428/1036
摘要： The present invention relates to a high contrast reflective display comprising a substrate, at least one electronically modulated imaging layer, wherein the electronically modulated imaging layer comprises a uniformly thick, close-packed, ordered monolayer of domains of electrically modulated material in a fixed polymer matrix, at least one barrier layer, wherein the barrier layer is conductive in a direction perpendicular to the substrate, and at least one electrically conductive layer. The invention also relates to a method of making the display with a barrier layer comprising anisotropic particles and orienting the anisotropic conductor to produce a barrier layer conductive in a direction perpendicular to the substrate.
摘要翻译：本发明涉及一种高对比度反射显示器，其包括基底，至少一个电子调制成像层，其中电子调制成像层包含固定聚合物基质中电调制材料的均匀厚的，紧密堆积的有序单层的域至少一个阻挡层，其中阻挡层在垂直于衬底的方向上是导电的，以及至少一个导电层。本发明还涉及一种制造具有包含各向异性粒子的阻挡层并使各向异性导体定向以在垂直于衬底的方向上导电的阻挡层的显示器的方法。

9. 发明授权

US07387856B2 Display comprising liquid crystal droplets in a hydrophobic binder 有权
标题翻译：显示器包括疏水性粘合剂中的液晶小滴
公开(公告)号：US07387856B2
公开(公告)日：2008-06-17
申请号：US11156866
申请日：2005-06-20
申请人： Krishnan Chari , Debasis Majumdar
发明人： Krishnan Chari , Debasis Majumdar
IPC分类号： C09K19/00 , C09K19/52
CPC分类号： B82Y30/00 , C09K19/544 , G02F1/1334 , G02F2001/13345 , Y10T428/10 , Y10T428/1005 , Y10T428/1036
摘要： The present invention relates to a display comprising at least one substrate and at least one electronically modulated imaging layer and at least one electrically conductive layer, wherein the electronically modulated imaging layer comprises a self-assembled, close-packed, ordered monolayer of domains of electrically modulated material in a water insoluble, hydrophobic polymer matrix and the at least one electrically conductive layer comprises electronically conductive polymer and a conductivity enhancing agent.
摘要翻译：本发明涉及包括至少一个基底和至少一个电子调制的成像层和至少一个导电层的显示器，其中电子调制的成像层包括一个自组装的，紧密堆积的，有序的单层电层调节的材料在水不溶性疏水性聚合物基质中，并且所述至少一个导电层包含电子导电聚合物和导电性增强剂。

10. 发明申请

US20080003379A1 Single substrate guest-host polymer dispersed liquid crystal displays 有权
标题翻译：单基板客体聚合物分散液晶显示器
公开(公告)号：US20080003379A1
公开(公告)日：2008-01-03
申请号：US11477211
申请日：2006-06-29
申请人： Krishnan Chari , Charles W. Lander
发明人： Krishnan Chari , Charles W. Lander
IPC分类号： C09K19/52
CPC分类号： G02F1/1334 , C09K19/544 , C09K19/60 , G02F1/13725 , G02F1/167 , Y10T428/10
摘要： The present invention relates to a display comprising at least one substrate, at least one electronically modulated imaging layer and at least one electrically conductive layer, wherein the electronically modulated imaging layer comprises a self-assembled, close-packed, ordered monolayer of domains of guest-host material, wherein the guest-host material comprises a dichroic or pleochroic dye guest in a light modulating host in a fixed polymer matrix, and wherein the appearance of the display is independent of viewing angle.
摘要翻译：本发明涉及包括至少一个衬底，至少一个电子调制成像层和至少一个导电层的显示器，其中电子调制成像层包括一个自组装的，紧密堆积的，有序的单层的客体域主体材料，其中客体主体材料包括在固定聚合物基质中的光调节性主体中的二色性或多色性染料客体，并且其中显示器的外观与视角无关。

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