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公开(公告)号:US10508237B2
公开(公告)日:2019-12-17
申请号:US15567973
申请日:2016-04-21
发明人: Wenyang Ma , Wenming Han , Haibin Xu , Wenquan Ding , Pengfei Li , Yunyun Liu , Di He , Lifang Yao , Heming Zhang
IPC分类号: G02F1/1333 , C09K19/34 , C09K19/30 , C09K19/32 , C09K19/04
摘要: Provided is a liquid crystal composition, comprising: 1-30% of one or more compounds of general formula I; 1-50% of one or more compounds of general formula II; 1-20% of one or more compounds of general formula III; 20-70% of one or more compounds of general formula IV; and 1-30% of one or more compounds of general formula V. The liquid crystal composition has properties such as a large maximum absolute transmittance, a high voltage holding ratio, better anti-UV properties, and high temperature reliability, and has a suitable optical anisotropy, a suitable dielectric anisotropy, and a relatively high clearing point, and is environmentally friendly. The liquid crystal composition is suitable for use in a liquid crystal display device, especially a transmissive liquid crystal display element, enabling the liquid crystal display device to have properties such as a high maximum absolute transmittance, a high voltage holding ratio, good anti-UV properties and high temperature reliability, and to be energy-saving and environmentally-friendly.
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公开(公告)号:US20190352567A1
公开(公告)日:2019-11-21
申请号:US16529163
申请日:2019-08-01
申请人: FUJIFILM Corporation
IPC分类号: C09K19/34
摘要: An object of the present invention is to provide a polymerizable liquid crystal compound having excellent solubility, which is used for the formation of an optically anisotropic film having excellent durability, a method for producing the same, a polymerizable liquid crystal composition, an optically anisotropic film, an optical film, a polarizing plate, and an image display device. The polymerizable liquid crystal compound of the embodiment of the present invention is a polymerizable liquid crystal compound represented by Formula (1), L1-SP1-A1-D3-G1-D1-Ar-D2-G2-D4-A2-SP2-L2 . . . (1) in Formula (1), the ClogP value of the group represented by L1-SP1-A1-D3-G1-D1 and the ClogP value of the group represented by L2-SP2-A2-D4-G2-D2 are different from each other, and at least one of the ClogP values is 3.3 or more.
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公开(公告)号:US10479940B2
公开(公告)日:2019-11-19
申请号:US15568485
申请日:2016-03-31
发明人: Naoko Matsuda , Masayuki Saito
IPC分类号: G02F1/1334 , C09K19/12 , C09K19/20 , C09K19/30 , C09K19/32 , C09K19/34 , C09K19/38 , C09K19/42 , C09K19/54 , C09K19/44 , G02F1/1333 , C09K19/04
摘要: A liquid crystal compound having positive dielectric anisotropy is provided and contains a compound represented by formula (1) as a first component, a compound represented by formula (2) as a second component, a polar compound as a first additive and a polymerizable compound as a second additive. In formula (1), R1a is alkyl having 1 to 12 carbons, or the like; ring Q and ring S are independently 1,4-cyclohexylene, 1,4-phenylene or the like; Z1a and Z2a are independently a single bond or the like; X1a and X2a are independently hydrogen or fluorine; Y1a is fluorine, chlorine, alkyl having 1 to 12 carbons in which at least one hydrogen is replaced by fluorine or chlorine, or the like; q is 1, 2, 3 or 4; s is 0, 1, 2 or 3; and a sum of q and s is 4 or less.
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公开(公告)号:US10465115B2
公开(公告)日:2019-11-05
申请号:US16062942
申请日:2016-11-18
申请人: MERCK PATENT GMBH
发明人: Kevin Adlem , Alex Davis , Hassan Arasi , Joseph Sargent , Rachel Tuffin , Ian Charles Sage
IPC分类号: C09K19/56 , C09K19/30 , C09K19/20 , C07C69/734 , C07F7/18 , C09K19/34 , G02F1/1337 , G02F1/1341 , C09K19/04
摘要: The invention relates to cinnamic acid derivatives of formula S wherein the radicals have the meaning indicated in claim 1, to a process for their preparation and their use as self assembling photoalignment agent in liquid crystal mixtures. The invention further relates to a process for the fabrication of a liquid crystal (LC) display device with homogeneous alignment by photoaligning a liquid crystal mixture with positive or negative dielectric anisotropy comprising one or more compounds of formula S and optionally a polymerizable compound, to the liquid crystal mixture comprising the self assembling photoaligning agent and optionally the polymerizable compound and to the LC display produced by said process.
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公开(公告)号:US20190292460A1
公开(公告)日:2019-09-26
申请号:US16361889
申请日:2019-03-22
申请人: MERCK PATENT GMBH
发明人: Dagmar KLASS , Carsten FRITZSCH
摘要: Liquid-crystalline media comprising one or more compounds of formula D and one or more compounds selected from the group of compounds of formulae I, II and III, in which the occurring groups and parameters have the meanings defined in claim 1, and to high-frequency components comprising these media, especially microwave components for high-frequency devices, such as devices for shifting the phase of microwaves, tunable filters, tunable metamaterial structures, and electronic beam steering antennas (e.g. phased array antennas).
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公开(公告)号:US20190284474A1
公开(公告)日:2019-09-19
申请号:US16318449
申请日:2017-07-17
申请人: MERCK PATENT GMBH
发明人: Dong-Mee SONG , Jung-Min LEE , Yong-Hyun CHOI , Yong-Kuk YUN
IPC分类号: C09K19/04 , C09K19/34 , C09K19/30 , G02F1/1337 , G02F1/1334 , E06B9/24
摘要: The present invention relates to a switching layer based on a liquid-crystalline mixture for use in an optical switching element. The invention also encompasses a switching element comprising the switching layer and a window element containing the switching element. The liquid crystalline mixture comprises a low-molecular liquid crystal component, a polymer component and a self-alignment additive for vertical alignment.
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公开(公告)号:US20190276744A1
公开(公告)日:2019-09-12
申请号:US16423730
申请日:2019-05-28
发明人: Noriyuki HIDA , Haruki OKAWA
IPC分类号: C09K19/38 , H01L51/00 , C09D133/14 , H01L51/52 , H01L27/32 , C08F222/24 , C09K19/34
摘要: A liquid crystal composition is provided containing a first liquid crystal compound represented by formula (1): and a second liquid crystal compound represented by formula (2): Also provided is a method for producing the liquid crystal composition having a desired wavelength dispersion characteristic.
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公开(公告)号:US20190271886A1
公开(公告)日:2019-09-05
申请号:US16416256
申请日:2019-05-19
发明人: Ho Lim , Jiphyo Hong
IPC分类号: G02F1/1337 , C09K19/34 , C09K19/56 , C09K19/20
摘要: A curved liquid crystal display device, includes: a first bent substrate; a second bent substrate disposed facing the first bent substrate; a liquid crystal layer disposed between the first bent substrate and the second bent substrate, the liquid crystal layer including first liquid crystal molecules disposed adjacent to the first bent substrate and second liquid crystal molecules disposed adjacent to the second bent substrate; a first alignment inducing layer disposed between the first bent substrate and the liquid crystal layer; and a second alignment inducing layer disposed between the second bent substrate and the liquid crystal layer, wherein one of the first alignment inducing layer and the second alignment inducing layer includes a polymerized reactive mesogen, and the remaining alignment inducing layer includes polyimide.
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99.
公开(公告)号:US20190225886A1
公开(公告)日:2019-07-25
申请号:US16214153
申请日:2018-12-10
发明人: Kazuhiro OGITA , Fumitaka KONDO , Yoshiharu HIRAI
IPC分类号: C09K19/56 , C09K19/30 , C09K19/34 , C09K19/60 , G02F1/1333
摘要: A liquid crystal composition including liquid crystalline compounds, polymerizable compounds, and dichroic dyes in which the polymerizable compound includes at least one compound represented by Formula (1), R11-MES-Sp11-P11 (1) in Formula (1), R11 is an alkyl group having 1 to 15 carbon atoms; MES is a mesogenic group having at least one ring, and in the ring in MES, at least one hydrogen atom is optionally substituted with -Sp11-P11; Sp11 is a single bond or an alkylene group having 1 to 10 carbon atoms, and in this alkylene group, at least one —CH2— is optionally substituted with —O—, —CO—, —COO—, —OCO—, or —OCOO—, and at least one —(CH2)2— is optionally substituted with —CH═CH— or —C≡C—, and in these groups, at least one hydrogen atom is optionally substituted with a polymerizable group; P11 is a polymerizable group or a polar group, or a group having both polymerization and polarity.
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公开(公告)号:US10351773B2
公开(公告)日:2019-07-16
申请号:US15782133
申请日:2017-10-12
发明人: Ming Li , Hongru Gao , Fangmiao Zhang , Jingsong Meng , Guoliang Yun , Xing Zhang , Lei Zhao , Jia Deng
摘要: Disclosed are liquid crystal compounds of cycloalkyl-containing dibenzofuran derivatives, a preparation method therefor and use thereof. The compounds are as represented by formula I. In the molecular structures of the compounds of formula I provided by the present invention, liquid crystal compounds of cycloalkyl terminal group-containing dibenzofuran derivatives, compared with those having flexible alkyl chains as terminal groups, exhibit better intersolubility, and thus the use of a compound as represented by formula I provided by the present invention can improve the intersolubility of a liquid crystal compound and extend the application range of a liquid crystal mixture, producing an important application value.
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