会员体验
专利管家(专利管理)
工作空间(专利管理)
风险监控(情报监控)
数据分析(专利分析)
侵权分析(诉讼无效)
联系我们
交流群
官方交流:
QQ群: 891211   
微信请扫码    >>>
现在联系顾问~
热词
    • 3. 发明授权
    • Liquid crystal compounds having a silane tail with a perfluoroalkyl terminal portion
    • 具有具有全氟烷基末端部分的硅烷尾部的液晶化合物
    • US06737124B2
    • 2004-05-18
    • US09753749
    • 2001-01-03
    • Neil GoughXin-Hua ChenWilliam N. ThurmesMichael Wand
    • Neil GoughXin-Hua ChenWilliam N. ThurmesMichael Wand
    • C09K1934
    • C09K19/406C07F7/081C07F7/0812C09K19/408Y10T428/10
    • 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.
    • 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
    • High birefringence liquid crystal compounds
    • 高双折射液晶化合物
    • US5626792A
    • 1997-05-06
    • US301121
    • 1994-09-06
    • Michael WandWilliam N. ThurmesKundalika Mor e Rohini T. Vohra
    • Michael WandWilliam N. ThurmesKundalika Mor e Rohini T. Vohra
    • C09K19/02C09K19/58C09K19/52C09K19/06C09K19/32C09K19/34
    • C09K19/0225C09K19/582
    • High birefringence liquid crystal dopants having the formula:R.sub.1 X--C--.tbd.--D--Twherein C and D, independently of one another, are aromatic ring systems each of which has one or two 5-member or 6-member carbon rings wherein one or two carbons of any ring in C or D can be substituted with a nitrogen, oxygen or sulfur atom and wherein any ring in C or D can be substituted with one or two halogen atoms; T is a halogen, haloalkyl, haloalkoxy, vinylhalide or a group YR.sub.2 where Y is a single bond, double bond, triple bond, --COS--, --CS.sub.2 --, --CH.dbd.CH--CO--S--, --CH.dbd.CH--CS--S-- or --CH.dbd.CH--CO--O-- group; X is a single bond, double bond, triple bond, O or S atoms or a cyclohexane or cyclohexene group, Z--Q--W, where Q is a cyclohexane or cyclohexene ring in which one or two of the ring carbons can be replaced with an O atom or in which one or more of the ring carbons can be substituted with a halogen atom or a cyano group, Z is a single bond or an O or S atom and W is a single bond, a --CH.sub.2 -- group, a --CH2--CH.sub.2 -- group, or a --CH.sub.2 --O-- group; and R.sub.l and R.sub.2 are, independently of one another, alkyl groups having from about 3 to about 20 carbon atoms in which one or more --CH.sub.2 -- groups can be halogenated, two neighboring --CH.sub.2 -- groups can be substituted with an epoxide, or one or more non-neighboring --CH.sub.2 -- groups can be substituted with a double bond, triple bond, an O atom, a S atom, or a silyl group SiR.sub.A R.sub.B wherein R.sub.A and R.sub.B, independently of one another, can be alkyl or alkenyl groups having 1 to about 6 carbon atoms are provided. More specifically, high birefringence dopants that are alkynyl tolanes dialkynyl tolanes and tolanes having cinnamate ester tails and derivatives of those tails are provided. High birefringence dopants also possess UV stability, IR clarity and other properties that affect LC properties.
    • 具有下式的高双折射液晶掺杂剂:R1X-C-3BOND-D-Twherein C和D彼此独立地为芳族环系,其中每一个具有一个或两个5-构件或6-构成的碳环,其中一个或 C或D中的任何环的两个碳可以被氮,氧或硫原子取代,并且其中C或D中的任何环可以被一个或两个卤素原子取代; T是卤素,卤代烷基,卤代烷氧基,乙烯基卤或YR2,Y是单键,双键,三键,-COS-,-CS2-,-CH = CH-CO-S-,-CH = CH- CS-S-或-CH = CH-CO-O-基; X是单键,双键,三键,O或S原子或环己烷或环己烯基,ZQW,其中Q是环或环己烯环,其中一个或两个环碳原子可被O原子取代或 其中一个或多个环碳可以被卤素原子或氰基取代,Z是单键或O或S原子,W是单键,-CH 2 - 基,-CH 2 -CH 2 - 基团或-CH 2 -O-基团; 并且R 1和R 2彼此独立地为具有约3至约20个碳原子的烷基,其中一个或多个-CH 2 - 基可以被卤化,两个相邻的-CH 2 - 基团可被环氧化物取代,或一个 或更多不相邻的-CH 2 - 基团可以被双键,三键,O原子,S原子或甲硅烷基SiRARB取代,其中RA和RB彼此独立地可以是具有 提供1至约6个碳原子。 更具体地,提供了作为炔基甲苯二炔基甲苯的高双折射掺杂剂和具有肉桂酸酯尾部和那些尾部的衍生物的甲苯。 高双折射掺杂剂还具有影响LC性能的UV稳定性,IR透明度和其他性能。
    • 9. 发明授权
    • Ferroelectric liquid crystal compositions chiral haloalkoxy tail units
    • 铁电液晶组合物手性卤代烷氧基尾单位
    • US5167855A
    • 1992-12-01
    • US556360
    • 1990-07-20
    • Michael WandRohini VohraDavid Walba
    • Michael WandRohini VohraDavid Walba
    • C07C69/92C07D239/26C09K19/04C09K19/12C09K19/20C09K19/58
    • C07D239/26C07C69/92C09K19/04C09K19/126C09K19/2021C09K19/586C09K19/588
    • The subject application discloses chiral nonracemic compositions of the general formula:R.sub.1 --(Ar)--O--C*H(CH.sub.3)--C*HX--C*HY--R.sub.2wherein: R.sub.1 is an achiral tail of two to sixteen carbons; Ar is an achiral FLC core of at least two rings; * denotes a chiral or potentially chiral carbon; X is a halide and Y is H or a halide; R.sub.2 comprises the distal segment of the chiral tail and has one to ten carbon atoms; the --O--C*H(CH.sub.3)--C*HY--C*HY--CH.sub.2 --O-- segment comprises the chiral proximal segment of the chiral tail, and the proximal segment is selected from the diastereomers and enantiomers:1S-methyl-2S-halo1S-methyl-2R-halo1R-methyl-2R,3R-dihalo1R-methyl-2R,3S-dihalo1R-methyl-2S,3S-dihalo1R-methyl-2S,3R-dihalo1R-methyl-2R-halo1R-methyl-2S-halo1S-methyl-2S,3S-dihalo1S-methyl-2S,3R-dihalo1S-methyl-2R,3R-dihalo1S-methyl-2R,3S-dihalo.
    • 本申请公开了具有以下通式的手性非微量组合物:R1-(Ar)-O-C * H(CH3)-C * HX-C * HY-R2其中:R1是2至16个碳的非手性尾; Ar是至少两个环的非手性FLC核; *表示手性或潜在的手性碳; X是卤化物,Y是H或卤化物; R2包含手性尾部的远端部分,具有1至10个碳原子; -OC * H(CH3)-C * HY-C * HY-CH2-O-链段包含手性尾部的手性近端段,近端片段选自非对映异构体和对映异构体:1S-甲基-2S- 卤代1S-甲基-2R-卤素1R-甲基-2R,3R-二卤代1R-甲基-2R,3S-二卤代1R-甲基-2S,3S-二卤代1R-甲基-2S,3R-二卤代1R-甲基-2R- 卤代1R-甲基-2S-卤代1S-甲基-2S,3S-二卤代1S-甲基-2S,3R-二卤代1S-甲基-2R,3R-二卤代1S-甲基-2R,3S-二卤代。