公开(公告)号：US11884862B2

公开(公告)日：2024-01-30

申请号：US15228666

申请日：2016-08-04

申请人： MERCK PATENT GMBH

发明人： Achim Goetz ,  Christian Hock ,  Lars Lietzau ,  Mark Goebel

IPC分类号： C09K19/30 ,  G02B30/24 ,  G02B30/27 ,  C07C13/28 ,  C07C22/08 ,  C07C43/225 ,  C09K19/34 ,  C09K19/54 ,  G02F1/137

CPC分类号： C09K19/3098 ,  C07C13/28 ,  C07C22/08 ,  C07C43/225 ,  C09K19/3402 ,  C09K19/3405 ,  C09K19/3491 ,  C09K19/54 ,  C09K19/542 ,  G02B30/24 ,  G02B30/27 ,  G02F1/137 ,  C07C2601/14 ,  C07C2601/16 ,  C09K2019/3408 ,  C09K2019/3422 ,  G02F1/13706

摘要： Compounds of the formula I






in which
R1 is alkyl or alkoxy in which CH2 groups are optionally replaced, and X1 is alkyl OCF3, CF3, CHF2, OCF2CF3, CCF2CHFCF3, OCF═CF2, OCH═CF2 or F,
a liquid-crystalline medium containing a compound of formula I,
and use thereof in electro-optical liquid-crystal displays, in particular in TN, STN, TN-TFT, OCB, IPS, PS-IPS, FFS, HB-FFS or PS-FFS-, positive VA displays and in shutter spectacles for 3D effects and LC lenses.

公开(公告)号：US20230340328A1

公开(公告)日：2023-10-26

申请号：US18123483

申请日：2023-03-20

申请人： MERCK PATENT GMBH

发明人： Sven Christian LAUT ,  Hee-Kyu LEE ,  Jing WANG

IPC分类号： G02F1/137 ,  C09K19/34 ,  C09K19/30

CPC分类号： C09K19/3098 ,  C09K19/3402 ,  G02F1/13706 ,  C09K2019/0466 ,  C09K2019/3422

摘要： A liquid-crystalline (LC) media having positive dielectric anisotropy and tliquid-crystal displays (LCDs) containing these media, especially to displays addressed by an active matrix and in particular to energy efficient LC displays of the TN, PS-TN, STN, TN-TFT, OCB, IPS, PS-IPS, FFS, HB-FFS, XB-FFS, PS-FFS, SA-HB-FFS, SA-XB-FFS, polymer stabilised SA-HB-FFS, polymer stabilised SA-XB-FFS, positive VA or positive PS-VA type.

公开(公告)号：US11739267B2

公开(公告)日：2023-08-29

申请号：US16913971

申请日：2020-06-26

申请人： MERCK PATENT GMBH

发明人： Yeon-Jeong Han ,  Dong-Hyun Kim ,  Heui-Seok Jin ,  Chang-Suk Choi

IPC分类号： G02F1/1333 ,  C09K19/34 ,  C09K19/02 ,  G02F1/137 ,  C09K19/04

CPC分类号： C09K19/3402 ,  C09K19/0208 ,  C09K2019/0466 ,  C09K2019/3422 ,  G02F1/137 ,  G02F1/13706

摘要： LC media and LC displays containing an LC medium with positive dielectric anisotropy, which contains one or more compounds of formula I in a concentration of >0 and ≤10%




and displays addressed by an active matrix and in particular displays of the IPS, PS-IPS, FFS, PS-FFS, HB-FFS, U-IPS, TN, PS-TN, STN or TN-TFT mode.

公开(公告)号：US11739265B2

公开(公告)日：2023-08-29

申请号：US17637511

申请日：2020-08-27

申请人： Merck Patent GmbH

发明人： Constanze Brocke ,  Dmitry Ushakov ,  Katharina Linke ,  Dagmar Klass ,  Carsten Fritzsch

IPC分类号： G02F1/1333 ,  C09K19/04 ,  C07C331/28 ,  C07D309/04 ,  C07D319/06 ,  C09K19/12 ,  C09K19/18 ,  C09K19/30 ,  C09K19/34

CPC分类号： C09K19/0403 ,  C07C331/28 ,  C07D309/04 ,  C07D319/06 ,  C09K19/12 ,  C09K19/18 ,  C09K19/3003 ,  C09K19/3048 ,  C09K19/3098 ,  C09K19/3402 ,  C09K2019/0407 ,  C09K2019/0444 ,  C09K2019/122 ,  C09K2019/123 ,  C09K2019/181 ,  C09K2019/183 ,  C09K2019/3016 ,  C09K2019/3056 ,  C09K2019/3422 ,  C09K2219/11

摘要： The present invention relates to aromatic isothiocyanates of formula U




as defined in claim 1, to liquid-crystalline media comprising one or more compounds of formula U 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.

公开(公告)号：US10081765B2

公开(公告)日：2018-09-25

申请号：US15049567

申请日：2016-02-22

申请人： Merck Patent GmbH

发明人： Harald Hirschmann ,  Volker Reiffenrath

IPC分类号： G02F1/1333 ,  C09K19/34 ,  C09K19/12 ,  C09K19/20 ,  C09K19/30 ,  C09K19/42 ,  C09K19/44 ,  C09K19/02 ,  C09K19/04

CPC分类号： C09K19/3402 ,  C09K19/0208 ,  C09K19/126 ,  C09K19/20 ,  C09K19/3003 ,  C09K19/3048 ,  C09K19/42 ,  C09K19/44 ,  C09K2019/0448 ,  C09K2019/0466 ,  C09K2019/123 ,  C09K2019/3004 ,  C09K2019/301 ,  C09K2019/3422

摘要： The invention relates to a liquid-crystalline medium comprising at least one compound of the formula I, in which R1 and R2 have the meanings indicated in Claim 1, and to the use thereof in electro-optical liquid-crystal displays.

公开(公告)号：US20180195002A1

公开(公告)日：2018-07-12

申请号：US15865783

申请日：2018-01-09

申请人： MERCK PATENT GMBH

发明人： Chang-Jun YUN ,  Chang-Suk CHOI ,  Yeon-Jeong HAN ,  Heui-Seok JIN ,  Yong-Kuk YUN

IPC分类号： C09K19/34 ,  C09K19/12 ,  C09K19/30

CPC分类号： C09K19/3402 ,  C09K19/20 ,  C09K19/3066 ,  C09K2019/0466 ,  C09K2019/123 ,  C09K2019/3004 ,  C09K2019/301 ,  C09K2019/3422

摘要： The present invention relates to liquid-crystalline media comprising one or more compounds selected from the compounds of formula I and compounds of formulae CV, OT and CP wherein the occurring groups have the meanings defined herein, and to liquid-crystal displays containing these media, especially to active-matrix displays and in particular to IPS and FFS displays. The invention further relates to a process for the fabrication of liquid crystal displays using the ODF process.

公开(公告)号：US20180187080A1

公开(公告)日：2018-07-05

申请号：US15739210

申请日：2016-06-02

申请人： MERCK PATENT GMBH

发明人： Dong-Mee SONG ,  Ki-Sun KWON ,  Hoo-Yong LEE ,  Melanie KLASEN-MEMMER ,  Christian SCHOENEFELD ,  Konstantin SCHNEIDER ,  Matthias KOCH ,  Joerg PESCHKE ,  Matthias BREMER ,  Nils GREINERT

IPC分类号： C09K19/54 ,  C09K19/30 ,  C09K19/34 ,  C09K19/02 ,  G03F7/20 ,  G03F7/00 ,  G03F7/031 ,  C08F220/16 ,  C08F220/28

CPC分类号： C09K19/542 ,  C08F220/16 ,  C08F220/28 ,  C08F2220/282 ,  C09K19/0208 ,  C09K19/061 ,  C09K19/062 ,  C09K19/20 ,  C09K19/3066 ,  C09K19/3068 ,  C09K19/32 ,  C09K19/321 ,  C09K19/3402 ,  C09K2019/044 ,  C09K2019/0444 ,  C09K2019/0448 ,  C09K2019/0455 ,  C09K2019/0466 ,  C09K2019/122 ,  C09K2019/123 ,  C09K2019/124 ,  C09K2019/3004 ,  C09K2019/3009 ,  C09K2019/301 ,  C09K2019/3015 ,  C09K2019/3019 ,  C09K2019/3021 ,  C09K2019/3025 ,  C09K2019/3037 ,  C09K2019/3069 ,  C09K2019/3071 ,  C09K2019/3077 ,  C09K2019/3422 ,  C09K2019/548 ,  G03F7/0007 ,  G03F7/031 ,  G03F7/2002 ,  G03F7/2004

摘要： The present invention relates to a liquid crystal (LC) medium comprising polymerisable compounds, to a process for its preparation, to its use for optical, electro-optical and electronic purposes, in particular in LC displays, and to LC displays comprising it.

公开(公告)号：US20180179446A1

公开(公告)日：2018-06-28

申请号：US15739358

申请日：2016-06-03

申请人： Merck Patent GmbH

发明人： Melanie KLASEN-MEMMER ,  Nils GREINERT ,  Matthias BREMER ,  Andreas TAUGERBECK ,  Christian SCHOENEFELD ,  Patrick SUESS

IPC分类号： C09K19/56 ,  C09K19/30 ,  C09K19/34

CPC分类号： C09K19/56 ,  B05D3/067 ,  C09K19/061 ,  C09K19/20 ,  C09K19/3003 ,  C09K19/3066 ,  C09K19/3068 ,  C09K19/32 ,  C09K19/321 ,  C09K19/3402 ,  C09K2019/044 ,  C09K2019/0444 ,  C09K2019/0448 ,  C09K2019/0455 ,  C09K2019/0466 ,  C09K2019/122 ,  C09K2019/123 ,  C09K2019/124 ,  C09K2019/3004 ,  C09K2019/3009 ,  C09K2019/301 ,  C09K2019/3015 ,  C09K2019/3016 ,  C09K2019/3019 ,  C09K2019/3021 ,  C09K2019/3025 ,  C09K2019/3037 ,  C09K2019/3069 ,  C09K2019/3071 ,  C09K2019/3077 ,  C09K2019/3083 ,  C09K2019/3422 ,  G02F1/1341

摘要： The present invention relates to a liquid crystal (LC) medium comprising polymerisable compounds, to a process for its preparation, to its use for optical, electro-optical and electronic purposes, in particular in LC displays, and to LC displays comprising it.

公开(公告)号：US09994770B2

公开(公告)日：2018-06-12

申请号：US15453627

申请日：2017-03-08

申请人： JNC CORPORATION ,  JNC PETROCHEMICAL CORPORATION

发明人： Hiroyuki Tanaka ,  Akihiro Takata

IPC分类号： G02F1/1333 ,  C09K19/34 ,  C09K19/30

CPC分类号： C09K19/3402 ,  C09K19/3001 ,  C09K19/3003 ,  C09K19/3048 ,  C09K19/3068 ,  C09K2019/0444 ,  C09K2019/3004 ,  C09K2019/3006 ,  C09K2019/3007 ,  C09K2019/3009 ,  C09K2019/301 ,  C09K2019/3016 ,  C09K2019/3033 ,  C09K2019/3071 ,  C09K2019/3077 ,  C09K2019/308 ,  C09K2019/3083 ,  C09K2019/3422

摘要： Provided is a liquid crystal compound satisfying at least one of physical properties such as high stability to heat and light, a high clearing point (or high maximum temperature), low minimum temperature of a liquid crystal phase, small viscosity, suitable optical anisotropy, large dielectric anisotropy, a suitable elastic constant and excellent compatibility with other liquid crystal compounds, a liquid crystal composition containing the compound and a liquid crystal display device including the composition.A compound, represented by formula (1): wherein, in formula (1), R1 is alkoxy having 1 to 9 carbons or the like; R2 is alkenyl having 2 to 10 carbons; Z1 and Z2 are independently a single bond, —CH2CH2—, —CH═CH— or the like; and a and b are independently 0 or 1.

公开(公告)号：US20180142154A1

公开(公告)日：2018-05-24

申请号：US15567972

申请日：2016-04-21

申请人： JIANGSU HECHENG DISPLAY TECHNOLOGY CO., LTD.

发明人： Wenming HAN ,  Haibin XU ,  Wenquan DING ,  Wenyang MA ,  Zhaoyuan CHEN

IPC分类号： C09K19/44 ,  C09K19/46 ,  G02F1/1333

CPC分类号： C09K19/44 ,  C09K19/20 ,  C09K19/46 ,  C09K2019/0466 ,  C09K2019/122 ,  C09K2019/3004 ,  C09K2019/3009 ,  C09K2019/301 ,  C09K2019/3015 ,  C09K2019/3021 ,  C09K2019/3078 ,  C09K2019/3084 ,  C09K2019/3422 ,  G02F1/1333

摘要： A liquid crystal composition having good photostability and thermostability. The liquid crystal composition comprises: 5-30% of one or more compounds of general formula I based on the total weight of the liquid crystal composition; 1-30% of one or more compounds of general formula II based on the total weight of the liquid crystal composition; 1-30% of one or more compounds of general formula III based on the total weight of the liquid crystal composition; 1-20% of one or more compounds of general formula IV-1 and/or general formula IV-2 based on the total weight of the liquid crystal composition; and 15-50% of one or more compounds of general formula V based on the total weight of the liquid crystal composition. A liquid crystal display element containing the liquid crystal composition is also provided.