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公开(公告)号：US11884863B2
公开(公告)日：2024-01-30
申请号：US16518521
申请日：2019-07-22
申请人： MERCK PATENT GMBH
发明人： Harald Hirschmann , Sabine Schoen
CPC分类号： C09K19/3405 , C09K19/12 , C09K19/3003 , C09K19/3098 , C09K19/32 , C09K19/3491 , C09K19/44 , G02F1/1362 , C09K2019/0448 , C09K2019/122 , C09K2019/123 , C09K2019/301 , C09K2019/3004 , C09K2019/3016 , C09K2019/3027 , C09K2019/3408 , C09K2019/3425
摘要： A liquid-crystalline medium having least one compound of the formula I,
and at least one compound of the formulae ST-1 to ST-17,
in which R1 and R1*, A1 and A1*, Z1 and Z1*, X, L1 and L2, RST, ring A, ZST, p and q have the meanings indicated in claim 1, and the use thereof for an active-matrix display, in particular based on the VA, PSA, PA-VA, SS-VA, SA-VA, PS-VA, PALC, IPS, PS-IPS, UB-FFS, U-IPS, FFS or PS-FFS effect.-
公开(公告)号：US20180244999A1
公开(公告)日：2018-08-30
申请号：US15758522
申请日：2016-08-10
申请人： MERCK PATENT GMBH
CPC分类号： C09K19/586 , C09K19/12 , C09K19/3003 , C09K2019/0448 , C09K2019/122 , C09K2019/123 , C09K2019/181 , C09K2019/3009 , C09K2019/3016 , C09K2019/3027 , C09K2019/3083 , C09K2019/523 , C09K2219/13
摘要： The present invention relates to a light modulation element comprising a pair of opposing transparent substrates, which are provided with an electrode structure provided on the inner surface of each substrate and a cholesteric liquid crystalline medium comprising one or more particles.The invention further relates to the use of a light modulation element as described above and below in optical or electro optical components or devices.The invention further relates to an optical or electro-optical component or device, comprising a light modulation element as described above and below.
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公开(公告)号：US20180216006A1
公开(公告)日：2018-08-02
申请号：US15883391
申请日：2018-01-30
申请人： Merck Patent GmbH
发明人： Martin ENGEL , Sabrina MAAG , Ingo ALMEROTH , Rocco FORTTE , Achim GOETZ , Thorsten KODEK , Oliver HEPPERT
IPC分类号： C09K19/46 , C09K19/34 , C09K19/30 , C09K19/12 , C07D401/14 , G02F1/1333
CPC分类号： C09K19/46 , C07D401/14 , C09K19/0216 , C09K19/12 , C09K19/3003 , C09K19/3098 , C09K19/3405 , C09K19/3483 , C09K2019/122 , C09K2019/123 , C09K2019/3004 , C09K2019/3009 , C09K2019/301 , C09K2019/3016 , C09K2019/3027 , C09K2019/3408 , G02F1/1333
摘要： Compounds of formula I, and liquid-crystalline media, preferably having a nematic phase and negative dielectric anisotropy, comprising: a) one or more compounds of formula I and one or more other compounds selected from: b) one or more compounds of formula II and/or c) one or more compounds selected from compounds of formulae III-1 to III-4 and B Use thereof in electro-optical displays, particularly in active-matrix displays based on the VA, ECB, PALC, FFS or IPS effect and use of compounds of formula I for stabilisation of liquid-crystalline media which comprise one or more compounds of formula II and/or one or more compounds selected from compounds of formulae III-1 to III-4 and B.
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公开(公告)号：US20180163137A1
公开(公告)日：2018-06-14
申请号：US15834518
申请日：2017-12-07
申请人： Merck Patent GmbH
IPC分类号： C09K19/56 , C07C69/602 , C07C67/08 , G02F1/1337
CPC分类号： C09K19/56 , C07C67/08 , C07C69/602 , C09K19/12 , C09K19/44 , C09K2019/0448 , C09K2019/122 , C09K2019/123 , C09K2019/3004 , C09K2019/3009 , C09K2019/301 , C09K2019/3016 , C09K2019/3027 , C09K2019/548 , G02F1/133711 , G02F1/134309 , G02F2001/133726
摘要： Polymerisable compounds, processes and intermediates for the preparation thereof, liquid-crystal (LC) media comprising them, and the use of the polymerisable compounds and LC media for optical, electro-optical and electronic purposes, in particular in LC displays, especially in LC displays of the polymer sustained alignment type.
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公开(公告)号：US09988576B2
公开(公告)日：2018-06-05
申请号：US15186983
申请日：2016-06-20
发明人： Soon Joon Rho , Joon Hyung Park , Jong Ho Son , Beom Soo Shin , Kang Seob Jeong , Si Heun Kim , Kyung Hae Park , Keun Chan Oh , Hye Lim Jang
IPC分类号： G02F1/1333 , C09K19/30 , G02F1/1337 , G02F1/1339 , G02F1/1368 , C09K19/12
CPC分类号： C09K19/3003 , C09K2019/122 , C09K2019/123 , C09K2019/3004 , C09K2019/301 , C09K2019/3016 , C09K2019/3027 , G02F1/133711 , G02F1/13394 , G02F1/1368 , G02F2001/13398
摘要： A liquid crystal display device comprises a display panel including a first base substrate, a switching element disposed on the first base substrate, a color filter layer disposed on the switching element, and a pixel electrode disposed on the color filter layer; a counter display panel including a second base substrate and a common electrode disposed on the second base substrate and facing the display panel; a liquid crystal layer disposed between the display panel and the counter display panel and having negative dielectric anisotropy, wherein the liquid crystal layer includes at least one compound represented by Formula 1 below, and the liquid crystal layer does not include a compound represented by Formula A below; and a light-blocking spacer disposed on the display panel and including an area overlapping the switching element, and maintaining the thickness of the liquid crystal layer.
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6.发明申请公开(公告)号：US20180112132A1
公开(公告)日：2018-04-26
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
IPC分类号： C09K19/34 , C07D307/91
CPC分类号： C09K19/3405 , C07D307/91 , C09K19/3028 , C09K19/3066 , C09K19/322 , C09K2019/0407 , C09K2019/0414 , C09K2019/123 , C09K2019/181 , C09K2019/3004 , C09K2019/3009 , C09K2019/301 , C09K2019/3016 , C09K2019/3027 , C09K2019/3063 , C09K2019/3077 , C09K2019/3078 , C09K2019/3408
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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公开(公告)号：USRE46763E1
公开(公告)日：2018-03-27
申请号：US14879713
申请日：2015-10-09
发明人： Masayuki Saito
IPC分类号： C09K19/30 , C09K19/32 , C09K19/34 , C09K19/12 , C09K19/20 , C09K19/06 , C09K19/42 , C09K19/44 , C09K19/46 , C09K19/04
CPC分类号： C09K19/3001 , C09K19/062 , C09K19/12 , C09K19/322 , C09K19/3402 , C09K19/42 , C09K19/44 , C09K19/46 , C09K2019/0407 , C09K2019/0448 , C09K2019/122 , C09K2019/123 , C09K2019/3004 , C09K2019/3009 , C09K2019/301 , C09K2019/3015 , C09K2019/3016 , C09K2019/3021 , C09K2019/3025 , C09K2019/3027 , C09K2019/3078 , C09K2019/3422 , C09K2019/3425 , Y10T428/10
摘要： Described is a liquid crystal composition which satisfies at least one of such characteristics as high upper limit temperature of the nematic phase, low lower limit temperature of the nematic phase, low viscosity, adequate optical anisotropy, large negative dielectric anisotropy, high resistivity, high stability to ultraviolet light and high stability to heat, or which has an adequate balance between at least two of the above-mentioned characteristics. Also described is an AM element having a short response time, high voltage holding ratio, high contrast ratio, long life and the like. The liquid crystal composition contains a specific compound having a large negative dielectric anisotropy and a low lower limit temperature as a first component, a specific compound having a low viscosity or a high upper limit temperature as a second component, and a specific compound having a polymerizable group as a third component. The AM element contains the composition.
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公开(公告)号：US09920248B2
公开(公告)日：2018-03-20
申请号：US14627852
申请日：2015-02-20
申请人： Merck Patent GmbH
发明人： Mark Goebel , Rocco Fortte , Detlef Pauluth
CPC分类号： C09K19/3486 , C07D211/94 , C09K19/3098 , C09K19/3483 , C09K19/44 , C09K19/54 , C09K2019/123 , C09K2019/3004 , C09K2019/301 , C09K2019/3016 , C09K2019/3027 , G02F1/13306 , Y10T428/10
摘要： The invention relates to compounds of the formula I, and to a liquid-crystalline medium, preferably having a nematic phase and negative dielectric anisotropy, which comprises one or more compounds of formula I, defined herein, for use in an electro-optical display, particularly in an active-matrix display based on the VA, ECB, PALC, FFS or IPS effect, and to the use of the compounds of the formula I for the stabilization of a liquid-crystalline medium which comprises one or more compounds of the formula II and one or more compounds of the formulae III-1 to III-4, defined herein.
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公开(公告)号：US20180057742A1
公开(公告)日：2018-03-01
申请号：US15659629
申请日：2017-07-26
发明人： Masayuki SAITO
IPC分类号： C09K19/34 , C09K19/56 , C09K19/30 , C09K19/12 , G02F1/1362
CPC分类号： C09K19/3402 , C09K19/12 , C09K19/3003 , C09K19/3028 , C09K19/3066 , C09K19/3068 , C09K19/3098 , C09K19/56 , C09K2019/0448 , C09K2019/122 , C09K2019/123 , C09K2019/3004 , C09K2019/3009 , C09K2019/301 , C09K2019/3015 , C09K2019/3016 , C09K2019/3021 , C09K2019/3025 , C09K2019/3027 , C09K2019/3036 , C09K2019/3037 , C09K2019/3071 , C09K2019/3078 , C09K2019/3422 , C09K2019/3425 , G02F1/1362 , G02F2202/022
摘要： Provided are a liquid crystal composition satisfying at least one of characteristics including a high maximum temperature, a low minimum temperature, small viscosity, suitable optical anisotropy and large negative dielectric anisotropy, or the liquid crystal composition having a suitable balance regarding at least two of the above characteristics; and an AM device including the composition. The liquid crystal composition contains a specific compound having large negative dielectric anisotropy as a first component, and a specific compound having small viscosity as a second component, and may contain a specific component having high maximum temperature or small viscosity as a third component, a specific component having negative dielectric anisotropy as a fourth component, or a specific compound having a polymerizable group as an additive.
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公开(公告)号：US09902905B2
公开(公告)日：2018-02-27
申请号：US15082430
申请日：2016-03-28
发明人： Si Heun Kim , Beom-Soo Shin , Hye Lim Jang
IPC分类号： G02F1/1333 , C09K19/30 , C09K19/32 , C07C43/225 , G02F1/1337 , G02F1/1343 , G02F1/1362 , G02F1/1368 , C09K19/04 , C09K19/12 , C09K19/34
CPC分类号： C09K19/3003 , C07C43/225 , C07C2601/14 , C07C2602/08 , C09K19/32 , C09K2019/0444 , C09K2019/0466 , C09K2019/123 , C09K2019/3004 , C09K2019/301 , C09K2019/3016 , C09K2019/3019 , C09K2019/3027 , C09K2019/3422 , G02F1/133345 , G02F1/1337 , G02F1/13378 , G02F1/134309 , G02F1/13439 , G02F1/136227 , G02F1/1368
摘要： A liquid crystal composition includes at least one polar liquid crystal molecule represented by Chemical Formulas A or B. Each K is independently 1,4-cyclohexylene or 1,4-phenylene, groups connected to carbon ring of 1,4-cyclohexylene or 1,4-phenylene are all hydrogen or at least one of the groups is fluorine, and n is 1 or 2; in Chemical Formula A, X1 and X2 are independently a single bond, —CH2-, —CH2CH2-, —CF2-, —CH2O—, or —OCH2-, L1 and L2 are independently —H, —F, —CF3, or —OCF3, and R1 and R2 are independently an alkyl or alkoxy group having 1 to 9 carbon atoms or an alkenyl group having 2 to 9 carbon atoms; in Chemical Formula B, L3 and L4 are independently —H, —F, —CF3, or —OCF3, and R3 is an alkyl or alkoxy group having 1 to 9 carbon atoms or an alkenyl group having 2 to 9 carbon atoms.
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