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1. 发明授权

US06703082B1 Bookshelf liquid crystal materials and devices 失效
标题翻译：书架液晶材料和装置
公开(公告)号：US06703082B1
公开(公告)日：2004-03-09
申请号：US09885862
申请日：2001-06-20
申请人： Michael Wand , Kundalika M. More , Xin-Hua Chen , William Thurmes
发明人： Michael Wand , Kundalika M. More , Xin-Hua Chen , William Thurmes
IPC分类号： C09K1932
CPC分类号： C09K19/322 , C09K2019/325 , Y10T428/10
摘要： Liquid crystal materials that exhibit bookshelf structures are provided. When these bookshelf materials are incorporated into a bistable host material, the mixture exhibits a higher switching angle and increased A to C phase transition than bistable hosts without the bookshelf material. These bookshelf materials and bistable compositions are useful in liquid crystal displays, for example.
摘要翻译：提供展示书架结构的液晶材料。当这些书架材料被并入双稳态主体材料中时，与没有书架材料的双稳态主机相比，混合物显示出更高的开关角度和增加的A到C相变。这些书架材料和双稳态组合物例如可用于液晶显示器。

2. 发明授权

US06413448B1 Cyclohexyl- and cyclohexenyl-substituted liquid crystals with low birefringence 有权
标题翻译：具有低双折射率的环己基 - 和环己烯基取代的液晶
公开(公告)号：US06413448B1
公开(公告)日：2002-07-02
申请号：US09299511
申请日：1999-04-26
申请人： Michael Wand , William Thurmes , Kundalika M. More , Xin-Hua Chen
发明人： Michael Wand , William Thurmes , Kundalika M. More , Xin-Hua Chen
IPC分类号： C09K1930
CPC分类号： C09K19/3098 , C09K19/3066 , C09K19/3458
摘要： A liquid crystal composition comprising a host material and a low birefringence liquid crystal composition of the formula: R1—Ar—R2 wherein R1 and R2, independently of one another, are selected from the group consisting of internally branched alkyl groups having from 4 to 20 carbon atoms, terminally branched alkyl groups having from 3 to 20 carbon atoms, internally branched alkenyl groups having from 3 to 20 carbon atoms and terminally branched alkenyl groups having from 4 to 20 carbon atoms, wherein one or more —CH2— groups in R1 and R2 may be independently replaced with O, said R1 or R2, independently of one another, can be partially or fully halogenated, and wherein one or both of said R1 and R2 can be absent; Ar is a ring core moiety of the general formula: wherein Cyc is a cyclohexyl ring or a cyclohexenyl ring; RX is a phenyl ring which may be optionally substituted with one or more fluorines; RY is a cyclohexyl or cyclohexenyl ring; wherein x and y are 1 and z is 0; wherein A is COO; and B is selected from the group of small alkyl or alkenyl group having from 1 to 8 carbon atoms, COO and OCO; wherein a and b are 1 and d is zero.
摘要翻译：一种液晶组合物，其包含主体材料和下式的低双折射液晶组合物：其中R 1和R 2彼此独立地选自具有4至20个碳原子的内支链烷基，末端支链烷基具有3至20个碳原子的基团，具有3至20个碳原子的内支链烯基和具有4至20个碳原子的末端支链烯基，其中R 1和R 2中的一个或多个-CH 2 - 基可以独立地被 O，所述R 1或R 2彼此独立地可以部分或完全卤化，并且其中所述R 1和R 2中的一个或两个可以不存在; Ar是通式的环核部分：其中Cyc是环己基环或环己烯基环; RX是可任选被一个或多个氟取代的苯环; RY是环己基或环己烯基环;其中x和y是1，z是0;其中A是COO; 并且B选自具有1至8个碳原子的小烷基或烯基，COO和OCO;其中a和b是1，d是0。

3. 发明授权

US06737124B2 Liquid crystal compounds having a silane tail with a perfluoroalkyl terminal portion 失效
标题翻译：具有具有全氟烷基末端部分的硅烷尾部的液晶化合物
公开(公告)号：US06737124B2
公开(公告)日：2004-05-18
申请号：US09753749
申请日：2001-01-03
申请人： Neil Gough , Xin-Hua Chen , William N. Thurmes , Michael Wand
发明人： Neil Gough , Xin-Hua Chen , William N. Thurmes , Michael Wand
IPC分类号： C09K1934
CPC分类号： C09K19/406 , C07F7/081 , C07F7/0812 , C09K19/408 , Y10T428/10
摘要： Chiral nonracemic, chiral racemic and achiral compounds useful as component of LC compositions which have a silane tail group which is partially fluorinated. The silane tail group comprises a perfluoroalkyl group. The silane tail group of this invention has the formula: where k is 0 or an integer ranging from 1-10; m and n are integers ranging from 1 to about 20; j is 0 or an integer ranging from 1 to 20; Z is —O— or a single bond; R1, R1′, R2 and R2′ are alkyl groups or perfluorinated alkyl groups; and RF is a perfluorinated alkyl group. The invention also provides LC compositions comprising one or more compounds of the invention with partially fluorinated silane tails. The invention also provides optical devices, particularly display devices which contain an aligned layer of an LC composition comprising one or more silane compounds of this invention.
摘要翻译：可用作具有部分氟化的硅烷末端基团的LC组合物的组分的手性非芳香性手性外消旋和非手性化合物。硅烷尾组包括全氟烷基。本发明的硅烷末端基团具有下式：其中k为0或1-10的整数; m和n是1至约20的整数; j为0或1〜20的整数; Z是-O-或单键; R 1，R 1，R 2和R 2'是烷基或全氟化烷基; 并且R F是全氟化的烷基。本发明还提供了包含一种或多种本发明化合物与部分氟化硅烷尾料的LC组合物。本发明还提供光学装置，特别是包含含有本发明的一种或多种硅烷化合物的LC组合物对准层的显示装置。

4. 发明授权

US06783812B2 Alkyl silane liquid crystal compounds 失效
标题翻译：烷基硅烷液晶化合物
公开(公告)号：US06783812B2
公开(公告)日：2004-08-31
申请号：US09754033
申请日：2001-01-03
申请人： Michael Wand , Neil Gough , Kundalika More , William N. Thurmes , Xin-Hua Chen
发明人： Michael Wand , Neil Gough , Kundalika More , William N. Thurmes , Xin-Hua Chen
IPC分类号： C09K1934
CPC分类号： C07F7/0812 , C07F7/081 , C09K19/406 , Y10T428/10
摘要： Compounds useful as components of LC and FLC compositions which in turn are useful in the manufacture of optical devices. Compounds of this invention have a silane tail, which can contain more than one Si. Compounds of this invention can include those with disilane tails. The invention provides LC compositions containing one or more of the silanes of this invention. Addition of one or more of the compounds of this invention to LC compositions can result in significant improvement in optical or LC properties. In particular, the compounds of this invention can significantly lower the melting point, freezing point or both of an LC composition resulting in significant improvement in device stability.
摘要翻译：可用作LC和FLC组合物的组分的化合物，其又可用于制造光学器件。本发明的化合物具有可含有多于一个Si的硅烷尾料。本发明的化合物可以包括具有乙硅烷尾的那些。本发明提供含有本发明的一种或多种硅烷的LC组合物。将一种或多种本发明化合物加入到LC组合物中可导致光学或LC性质的显着改善。特别地，本发明的化合物可显着降低LC组合物的熔点，凝固点或两者，导致器件稳定性的显着提高。

5. 发明申请

US20070158613A1 Liquid crystal composition 审中-公开
标题翻译：液晶组成
公开(公告)号：US20070158613A1
公开(公告)日：2007-07-12
申请号：US11327593
申请日：2006-01-06
申请人： Xin-Hua Chen
发明人： Xin-Hua Chen
IPC分类号： C09K19/30 , C09K19/12
CPC分类号： C09K19/3003 , C09K19/3001 , C09K2019/3004 , C09K2019/3009 , C09K2019/301 , C09K2019/3016
摘要： A liquid crystal composition having a high voltage holding ratio and low viscosity is provided. More particularly, provided is a liquid crystal composition comprising: 10-90% by weight of one or more compounds of Type I having formula: 1-40% by weight of one or more compounds of Type II having formula: 1-50% by weight of one or more compounds of Type III having formula: and 0-40% by weight of one or more compounds of Type IV having formula: wherein in the formulas, Z is a direct bond or ethylene; n=1,2; m=0,1 and n+m >1; R and R′ are optionally substituted alkyl groups with from 1-7 carbons in the chain, where the alkyl groups may be straight chain or branched, and the optional substituents are one or more hydrogens can be replaced with one or more F or D atoms, and one or more carbon atoms can be replaced with —O—; and X, Y are selected from the group consisting of: F, H, Cl and trifluoro methyl (—CF3) groups.
摘要翻译：提供具有高电压保持率和低粘度的液晶组合物。更具体地，提供了一种液晶组合物，其包含：10-90重量％的一种或多种I型化合物，其具有式：1-40重量％的一种或多种II型化合物，其具有式：1-50％一种或多种具有下式的III型化合物的重量：和0-40％重量的一种或多种具有下式的IV型化合物：其中在式中Z是直接键或乙烯; n = 1,2; m = 0,1和n + m> 1; R和R'为链中具有1-7个碳的任选取代的烷基，其中烷基可以是直链或支链的，任选的取代基是一个或多个氢可以被一个或多个F或D原子并且一个或多个碳原子可被-O-取代; 并且X，Y选自：F，H，Cl和三氟甲基（-CF 3 N 3）基团。

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