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1. 发明授权

US5376302A Electrooptical liquid crystal system 失效
标题翻译：电光液晶系统
公开(公告)号：US5376302A
公开(公告)日：1994-12-27
申请号：US42762
申请日：1993-04-06
申请人： David Coates , Patrick Nolan , Shirley Marden
发明人： David Coates , Patrick Nolan , Shirley Marden
IPC分类号： C09K19/42 , C09K19/54 , G02F1/1334 , C09K19/52 , G02F1/13
CPC分类号： G02F1/1334 , C09K19/42 , C09K19/544 , Y10T428/10
摘要： The invention relates to an electrooptical liquid crystal systemwhich between two electrode layers there is contained a liquid crystal mixture and a further optically transparent polymer medium,whose liquid crystal molecules have irregular orientation in the switched-off state,in which one of the refractive indices of the liquid crystal mixture is substantially the same as the refractive index of the medium n.sub.m and/or in which the quotient from the weight of the liquid crystal mixture and the weight of the optically transparent medium is 1.5 or more,which in one of the switching states has reduced transmission compared with the other state essentially independent of the polarization of the incident light, andwhose liquid crystal mixture contains at least one dielectrically neutral and at least one dielectrically positive liquid crystalline or monotropic compound, characterized in that the liquid crystalline mixture contains less than 15% by weight of one or more dielectrically positive liquid crystalline, enantiotropic or monotropic, two-ring compounds in order to lower the solubility of the liquid crystal mixture in the medium.
摘要翻译：本发明涉及一种电光学液晶系统，其在两个电极层之间包含液晶混合物和另外的光学透明聚合物介质，其液晶分子在关闭状态下具有不规则取向，其中折射率之一的液晶混合物的重量基本上与介质nm的折射率相同，和/或液晶混合物的重量和光学透明介质的重量的商为1.5或更大，其中开关状态与基本上独立于入射光的偏振的其他状态相比，其液晶混合物含有至少一种介电中性和至少一种介电性正的液晶或单离子化合物，其特征在于，液晶混合物含有少于15重量％的一种或多种介电性的posi 为了降低液晶混合物在介质中的溶解度，可以使用液晶，对映体或单相，双环化合物。

2. 发明授权

US06007745A Linear UV polarizer 失效
标题翻译：线性紫外线偏振片
公开(公告)号：US06007745A
公开(公告)日：1999-12-28
申请号：US888127
申请日：1997-07-03
申请人： David Coates , Emma Jolliffe , Patrick Nolan
发明人： David Coates , Emma Jolliffe , Patrick Nolan
IPC分类号： C09K19/38 , C09K19/60 , G02B5/30 , F21V9/14 , C09K19/00
CPC分类号： C09K19/60 , C09K19/38 , G02B5/3016 , Y10T428/1041
摘要： The invention relates to a linear UV polarizer based on a polymerized mesogen obtained by curing with actinic radiation or heat of a polymerizable composition comprising:a) a liquid crystalline component A composed of one or more achiral mesogenic compounds having at least one polymerizable end group optionally linked via a spacer group to a mesogenic core,b) a dichroic component B that absorbs light in the UV region, with an absorption maximum of from 320 to 440 nm, andc) a photoinitiator or thermal initiator component C.
摘要翻译：本发明涉及一种基于通过聚合组合物的光化辐射或热固化而获得的聚合液晶的线性紫外线偏振器，其包括：a）由一种或多种具有至少一个可聚合端基的非手性介晶化合物组成的液晶组分A， b）在UV区域吸收光的二色性成分B，吸收最大值为320〜440nm，c）光引发剂或热引发剂成分C.

3. 发明授权

US5871665A Electrooptical liquid crystal system 失效
标题翻译：电光液晶系统
公开(公告)号：US5871665A
公开(公告)日：1999-02-16
申请号：US81280
申请日：1993-06-25
申请人： David Coates , Owain Llyr Parri , Simon Greenfield , Martin David Tillin , Mark John Goulding , Patrick Nolan
发明人： David Coates , Owain Llyr Parri , Simon Greenfield , Martin David Tillin , Mark John Goulding , Patrick Nolan
IPC分类号： G02B5/30 , C07C69/54 , C07C69/653 , C07C69/92 , C07C69/94 , C07D213/30 , C07D239/26 , C07D239/34 , C09K19/12 , C09K19/14 , C09K19/20 , C09K19/30 , C09K19/32 , C09K19/34 , C09K19/38 , C09K19/42 , C09K19/54 , G02F1/13 , G02F1/1333 , C09K19/52 , G02F1/133
CPC分类号： C09K19/3469 , C09K19/12 , C09K19/14 , C09K19/2007 , C09K19/322 , C09K19/3444 , C09K19/38 , C09K19/544 , C09K2019/0448 , C09K2019/0481 , Y10T428/10 , Y10T428/1077
摘要： An electrooptical system is disclosed in which a PDLC film is positioned between 2 electrode layers. The PDLC film contains a liquid crystal mixture forming microdroplets in an optically isotropic, transparent polymer matrix. The liquid crystal mixture comprises one or more compounds of formula I ##STR1## wherein R, A.sup.1, A.sup.2, Z.sup.1, Z.sup.2, X.sup.1, X.sup.2, Q, Y and n as herein defined, and one or more reactive liquid crystalline compounds. The PDLC film exhibits improved switching times, especially at low temperatures.
摘要翻译： PCT No.PCT / EP93 / 00989 371日期：1993年6月25日 102（e）日期1993年6月25日PCT提交1993年4月23日PCT公布。公开号WO93 / 22397 日期：1993年11月11日公开了一种PDLC膜位于2个电极层之间的电光学系统。 PDLC膜含有在光学各向同性的透明聚合物基质中形成微滴的液晶混合物。液晶混合物包含一种或多种式I的化合物其中如本文定义的R，A1，A2，Z1，Z2，X1，X2，Q，Y和n以及一种或多种反应性液晶化合物。 PDLC膜显示出改善的切换时间，特别是在低温下。

4. 发明授权

US5498365A Electrooptical liquid crystal system 失效
标题翻译：电光液晶系统
公开(公告)号：US5498365A
公开(公告)日：1996-03-12
申请号：US104121
申请日：1993-08-13
申请人： Patrick Nolan , David Coates
发明人： Patrick Nolan , David Coates
IPC分类号： C09K19/02 , C09K19/12 , C09K19/20 , C09K19/30 , C09K19/34 , C09K19/42 , C09K19/54 , G02F1/13 , G02F1/1333 , C09K19/52
CPC分类号： C09K19/544
摘要： An electrooptical systemwhich between 2 electrode layers contains a PDLC film comprising a liquid crystal mixture forming microdroplets in an optically isotropic, transparent polymer matrix,in which one of the refractive indices of the liquid crystal mixture is matched to the refractive index of the polymer matrix, andwhich in one of the two switching states has reduced transmission compared with the other state independent of the polarization of the incident light,characterized in that the precursor of the PDLC film comprisesa) 50-90 wt. % of a liquid crystal mixture containing one or more compounds of the formula I ##STR1## b) 15-49.5 wt. % of the precursor of the polymer matrix.
摘要翻译： PCT No.PCT / EP93 / 01378 Sec。 371日期：1993年8月13日 102（e）日期1993年8月13日PCT提交1993年6月2日PCT公布。公开号WO93 / 24589 日期为1993年12月9日。在2个电极层之间包含PDLC膜的电光学系统包含在光学各向同性的透明聚合物基质中形成微滴的液晶混合物，其中液晶混合物的折射率之一与与独立于入射光的偏振的其他状态相比，在两种开关状态之一中的聚合物基质的折射率与传统方式相比减少，其特征在于PDLC膜的前体包含a）50-90wt 。％的含有一种或多种式I的化合物的液晶混合物，b）15-49.5wt。％的聚合物基质的前体。

5. 发明授权

US5746938A Electrooptical liquid crystal system 失效
公开(公告)号：US5746938A
公开(公告)日：1998-05-05
申请号：US474765
申请日：1995-06-07
申请人： David Coates , Owain Llyr Parri , Simon Greenfield , Martin David Tillin , Mark John Goulding , Patrick Nolan
发明人： David Coates , Owain Llyr Parri , Simon Greenfield , Martin David Tillin , Mark John Goulding , Patrick Nolan
IPC分类号： G02B5/30 , C07C69/54 , C07C69/653 , C07C69/92 , C07C69/94 , C07D213/30 , C07D239/26 , C07D239/34 , C09K19/12 , C09K19/14 , C09K19/20 , C09K19/30 , C09K19/32 , C09K19/34 , C09K19/38 , C09K19/42 , C09K19/54 , G02F1/13 , G02F1/1333 , C09K19/52
CPC分类号： C09K19/3469 , C09K19/12 , C09K19/14 , C09K19/2007 , C09K19/322 , C09K19/3444 , C09K19/38 , C09K19/544 , C09K2019/0448 , C09K2019/0481 , Y10T428/10 , Y10T428/1077
摘要： An electrooptical system is disclosed in which a PDLC film is positioned between 2 electrode layers. The PDLC film contains a liquid crystal mixture forming microdroplets in an optically isotropic, transparent polymer matrix. The liquid crystal mixture comprises one or more compounds of formula I ##STR1## wherein R, A.sup.1, A.sup.2, Z.sup.1, Z.sup.2, X.sup.1, X.sup.2, Q, Y and n are as herein defined, and one or more reactive liquid crystalline compounds. The PDLC film exhibits improved switching times, especially at low temperatures.

6. 发明授权

US5723066A Electrooptical liquid crystal system 失效
标题翻译：电光液晶系统
公开(公告)号：US5723066A
公开(公告)日：1998-03-03
申请号：US474895
申请日：1995-06-07
申请人： David Coates , Owain Llyr Parri , Simon Greenfield , Martin David Tillin , Mark John Goulding , Patrick Nolan
发明人： David Coates , Owain Llyr Parri , Simon Greenfield , Martin David Tillin , Mark John Goulding , Patrick Nolan
IPC分类号： G02B5/30 , C07C69/54 , C07C69/653 , C07C69/92 , C07C69/94 , C07D213/30 , C07D239/26 , C07D239/34 , C09K19/12 , C09K19/14 , C09K19/20 , C09K19/30 , C09K19/32 , C09K19/34 , C09K19/38 , C09K19/42 , C09K19/54 , G02F1/13 , G02F1/1333 , C09K19/52
CPC分类号： C09K19/3469 , C09K19/12 , C09K19/14 , C09K19/2007 , C09K19/322 , C09K19/3444 , C09K19/38 , C09K19/544 , C09K2019/0448 , C09K2019/0481 , Y10T428/10 , Y10T428/1077
摘要： An electrooptical system is disclosed in which a PDLC film is positioned between 2 electrode layers. The PDLC film contains a liquid crystal mixture forming microdroplets in an optically isotropic, transparent polymer matrix. The liquid crystal mixture comprises one or more compounds of formula I ##STR1## wherein R, A.sup.1, A.sup.2, Z.sup.1, Z.sup.2, X.sup.1, X.sup.2, Q, Y and n are as herein defined, and one or more reactive liquid crystalline compounds. The PDLC film exhibits improved switching times, especially at low temperatures.
摘要翻译：公开了一种电光学系统，其中PDLC膜位于2个电极层之间。 PDLC膜含有在光学各向同性的透明聚合物基质中形成微滴的液晶混合物。液晶混合物包含一种或多种式IY化合物和n如本文所定义，和一种或多种反应性液晶化合物。 PDLC膜显示出改善的切换时间，特别是在低温下。

7. 发明授权

US06596193B2 Electrooptical liquid crystal system 失效
标题翻译：电光液晶系统
公开(公告)号：US06596193B2
公开(公告)日：2003-07-22
申请号：US10140118
申请日：2002-05-08
申请人： David Coates , Owain Llyr Parri , Simon Greenfield , Martin David Tillin , Mark John Goulding , Patrick Nolan
发明人： David Coates , Owain Llyr Parri , Simon Greenfield , Martin David Tillin , Mark John Goulding , Patrick Nolan
IPC分类号： C09K1952
CPC分类号： C09K19/3469 , C09K19/12 , C09K19/14 , C09K19/2007 , C09K19/322 , C09K19/3444 , C09K19/38 , C09K19/544 , C09K2019/0448 , C09K2019/0481 , Y10T428/10 , Y10T428/1077
摘要： To improve switching times, especially at low temperatures, one or more reactive liquid crystalline compounds is added to a liquid crystal mixture used in an electrooptical system. The electrooptical system comprises a PDLC film comprising a liquid crystal mixture forming micro- droplets in an optically isotropic, transparent polymer matrix between 2 electrode layers. The reactive liquid crystalline compounds are of formula II, R′—G′—R″, wherein R′, G′ and R″ are as defined herein. The liquid crystal mixture comprises one or more compounds of the formula I wherein R, A1, A2, Z1, Z2, X1, X2, Q, Y and n are as defined herein.
摘要翻译：为了改善切换时间，特别是在低温下，将一种或多种反应性液晶化合物加入到用于电光学系统的液晶混合物中。电光系统包括PDLC膜，其包含在2个电极层之间的光学各向同性的透明聚合物基质中形成微滴的液晶混合物。反应性液晶化合物具有式II，R'-G'-R“，其中R'，G'和R”如本文所定义。液晶混合物包含一种或多种式I的化合物，其中R，A1，A2，Z1，Z2，X1，X2，Q，Y和n如本文所定义。

8. 发明授权

US06187222B1 Electrooptical liquid crystal system 有权
标题翻译：电光液晶系统
公开(公告)号：US06187222B1
公开(公告)日：2001-02-13
申请号：US09506815
申请日：2000-02-18
申请人： David Coates , Owain Llyr Parri , Simon Greenfield , Martin David Tillin , Mark John Goulding , Patrick Nolan
发明人： David Coates , Owain Llyr Parri , Simon Greenfield , Martin David Tillin , Mark John Goulding , Patrick Nolan
IPC分类号： C09K1934
CPC分类号： C09K19/3469 , C09K19/12 , C09K19/14 , C09K19/2007 , C09K19/322 , C09K19/3444 , C09K19/38 , C09K19/544 , C09K2019/0448 , C09K2019/0481 , Y10T428/10 , Y10T428/1077
摘要： An electroptical system which between 2 electrode layers contains a PDLC film comprising a liquid crystal mixture forming micro-droplets in an optically isotropic, transparent polymer matrix, in which one of the refractive indices of the liquid crystal mixture is matched to the refractive index of the polymer matrix, which exhibits an electrically switchable transparency essentially independent of the polarization of the incident light, the precursor of the PDLC film of which comprises one or more monomers, oligomers and/or prepolymers and a photoinitiator, and is cured photoradically, the liquid crystal mixture of which comprises one or more compounds of the formula I in which the substituents are defined herein characterized in that the liquid crystal mixture additionally contains one or more reactive liquid crystalline compounds in order to obtain improved switching times especially at low temperatures.
摘要翻译：在2个电极层之间的光学系统包含PDLC膜，其包含在光学各向同性的透明聚合物基质中形成微滴的液晶混合物，其中液晶混合物的折射率之一与聚合物的折射率相匹配基质，其表现出基本上与入射光的极化无关的电可切换透明体，其PDLC膜的前体包含一种或多种单体，低聚物和/或预聚物和光引发剂，并且在光电偶存下固化，液晶混合物其包含一种或多种式Iin的化合物，其取代基在本文中定义，其特征在于液晶混合物另外含有一种或多种反应性液晶化合物，以便获得改进的切换时间，特别是在低温下。

9. 发明授权

US5621552A Electrooptical liquid crystal system containing dual frequency liquid crystal mixture 失效
标题翻译：含有双频液晶混合物的电光液晶体系
公开(公告)号：US5621552A
公开(公告)日：1997-04-15
申请号：US199193
申请日：1994-02-28
申请人： David Coates , Patrick Nolan
发明人： David Coates , Patrick Nolan
IPC分类号： C09K19/54 , G02F1/1334 , H01L29/04
CPC分类号： C09K19/544 , G02F1/1334
摘要： The invention relates to an electrooptical liquid crystal systemwhich contains a dual frequency liquid crystal mixture and a further optically transparent polymeric medium between two electrode layers which optionally may be attached to substrates,in which the ordinary refractive index of the liquid crystal mixture essentially agrees with the refractive index of the polymeric medium n.sub.m and/or in which the quotient of the mass of the liquid crystal mixture and of the mass of the polymeric medium is 1.5 or more,which has a reduced transmission in the on-state compared to the off-state, andwhich is obtained by polymerization of a composition containing the dual frequency liquid crystal mixture and a precursor of the polymeric medium,characterized in that an electrical field is applied during the curing process which exhibits a frequency below the cross-over frequency of the dual frequency liquid crystal mixture so that the molecules of the dual frequency liquid crystal mixture are aligned essentially into the direction of the electrical field.
摘要翻译： PCT No.PCT / EP92 / 01872 Sec。 371日期1994年2月28日 102（e）日期1994年2月28日PCT提交1992年8月17日PCT公布。出版物WO93 / 05436 日期1993年3月18日本发明涉及一种电光学液晶系统，其包含双频液晶混合物和两个电极层之间的另外的光学透明聚合物介质，其可任选地附着到基底上，其中液体的常规折射率晶体混合物基本上与聚合物介质nm的折射率一致，和/或其中液晶混合物的质量和聚合物介质的质量的商为1.5或更大，其中，状态，其是通过聚合包含双频液晶混合物和聚合物介质的前体的组合而获得的，其特征在于在固化过程期间施加电场，其表现出低于双频液晶混合物的交叉频率使得双频液体的分子发生哭泣大部分混合物基本上与电场方向排列。

10. 发明授权

US5476611A Electrooptical liquid crystal system 失效
标题翻译：电光液晶系统
公开(公告)号：US5476611A
公开(公告)日：1995-12-19
申请号：US41422
申请日：1993-03-31
申请人： Patrick Nolan , David Coates
发明人： Patrick Nolan , David Coates
IPC分类号： C09K19/30 , C09K19/34 , C09K19/52 , C09K19/54 , G02F1/13 , G02F1/1333 , G02F1/1334 , C09K19/12
CPC分类号： C09K19/544 , G02F1/1334
摘要： An electrooptical system containing a PDLC film is disclosed. The precursor of the PDLC film comprises(a) 30-85 wt. % of a liquid crystal mixture containing one or more compounds of the formula I ##STR1## wherein R, Z.sup.1, Z.sup.2, A.sup.1, A.sup.2, X.sup.2, X.sup.2, Q, n and Y are as defined herein,(b) 15-68 wt. % of the precursor of the polymer matrix at least comprisinga component A containing at least 5 wt. % of one or more at least difunctional thiol monomers and/or oligomers,a component B containing at least 10 wt. % of one or more at least difunctional monomers and/or oligomers of the ene type,a component C containing at least 3 wt. % of one or more monofunctional monomers and/or oligomers of the ene type with a molar mass of less than 250 g/mol,optionally a component D containing polymerizable compounds other than ene-type or thiol-type compounds; and(c) 0.1-5 wt. % of a radical photoinitiator, with the mass ratios given under (a), (b) and (c) being related to the mass of the precursor of the PDLC film and the mass ratios of the components A, B and C relating to the mass of the precursor of the polymer matrix.
摘要翻译：公开了一种含有PDLC膜的电光系统。 PDLC膜的前体包含（a）30-85wt。含有一种或多种式I的化合物的液晶混合物，其中R，Z 1，Z 2，A 1，A 2，X 2，X 2，Q，n和Y如本文所定义，（b）15-68重量％。所述聚合物基质的前体的％至少包含含有至少5wt。％的一种或多种至少双官能的硫醇单体和/或低聚物，组分B含有至少10wt。％的一种或多种至少双官能单体和/或烯类的低聚物，组分C含有至少3wt。％的一种或多种单体官能单体和/或低聚物，其摩尔质量小于250g / mol，任选地含有除ene型或硫醇型化合物之外的可聚合化合物的组分D; 和（c）0.1-5wt。自由基光引发剂的％，（a），（b）和（c）给出的质量比与PDLC膜的前体的质量和与组分A，B和C有关的组分A，B和C的质量比质量的聚合物基质的前体。

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