公开(公告)号：US10913897B2

公开(公告)日：2021-02-09

申请号：US15883976

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： G02F1/137 ,  C09K19/44 ,  C09K19/30 ,  C07D401/14 ,  C09K19/12 ,  C09K19/34 ,  G02F1/1333 ,  C09K19/02

摘要： Compounds of the formula I, and liquid-crystalline media, preferably having a nematic phase and negative dielectric anisotropy, comprising a) one or more compounds of the formula I and one or more 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 formula B Methods for making and using these liquid-crystalline media in electro-optical displays, particularly in active-matrix displays based on the VA, ECB, PALC, FFS or IPS effect and the displays which contain these media. Methods for stabilizing liquid-crystalline media with compounds of formula I, where the liquid-crystalline media comprise one or more compounds of the formula II and one or more compounds selected from compounds of the formulae III-1 to III-4 and formula B.

公开(公告)号：US20180030020A1

公开(公告)日：2018-02-01

申请号：US15710241

申请日：2017-09-20

申请人： Merck Patent GmbH

发明人： Volker Reiffenrath ,  Matthias Bremer ,  Rocco Fortte ,  Harald Hirschmann ,  Martin Engel

IPC分类号： C07D307/91 ,  C09K19/34

摘要： 4,6-difluorodibenzofuran derivatives of the formula I the preparation thereof, the use thereof as components in liquid-crystalline media and electro-optical display elements which contain the liquid-crystalline media.

公开(公告)号：US09822302B2

公开(公告)日：2017-11-21

申请号：US15152943

申请日：2016-05-12

申请人： Merck Patent GmbH

发明人： Martin Engel ,  Thorsten Kodek ,  Ingo Almeroth ,  Rocco Fortte

IPC分类号： G02F1/1333 ,  C09K19/30 ,  C09K19/12 ,  C09K19/54 ,  C09K19/02

CPC分类号： C09K19/3098 ,  C09K19/0216 ,  C09K19/12 ,  C09K19/3003 ,  C09K19/54 ,  C09K2019/123 ,  C09K2019/3009 ,  C09K2019/301 ,  C09K2019/3016

摘要： The compounds of the formula I, and a liquid-crystalline medium, preferably having a nematic phase and negative dielectric anisotropy, which comprises a) one or more compounds of the formula I and b) one or more compounds of the formulae II-1 to II-4, in which the parameters have the meanings defined herein, are suitable for use in an electro-optical display, particularly in an active-matrix display based on the VA, ECB, PALC, FFS or IPS effect.

公开(公告)号：US20210284911A1

公开(公告)日：2021-09-16

申请号：US17168875

申请日：2021-02-05

申请人： Merck Patent GmbH

发明人： Volker Reiffenrath ,  Matthias Bremer ,  Rocco Fortte ,  Harald Hirschmann ,  Martin Engel

IPC分类号： C09K19/34 ,  G02F1/137 ,  C07D307/91

摘要： An electro-optical display element in the areas of displays for watches, pocket calculators, large display panels as used in railway stations, airports and sports arenas, displays of portable or desktop computers, navigation systems and video applications, which upon the application of a voltage to the display element achieves that the longitudinal axis of molecules in a liquid-crystalline media orients itself in such a way that the larger of the dielectric constants becomes effective, which electro-optical display element contains two plates of a capacitor.

公开(公告)号：US09133395B2

公开(公告)日：2015-09-15

申请号：US13934468

申请日：2013-07-03

申请人： Merck Patent GmbH

发明人： Andreas Taugerbeck ,  Martin Engel

IPC分类号： C09K19/12 ,  C09K19/30 ,  C09K19/38 ,  G02F1/1334 ,  C09K19/04 ,  C09K19/54

CPC分类号： C09K19/12 ,  C09K19/3001 ,  C09K19/3852 ,  C09K2019/0448 ,  C09K2019/0481 ,  C09K2019/3009 ,  C09K2019/301 ,  C09K2019/3016 ,  C09K2019/548 ,  G02F1/1334

摘要： The present invention relates to polymerizable compounds, to processes and intermediates for the preparation thereof, to liquid-crystal (LC) media comprising them, and to the use of the polymerizable compounds and LC media for optical, electro-optical and electronic purposes, in particular in LC displays, especially in LC displays of the PS (“polymer sustained”) or PSA (“polymer sustained alignment”) type.

摘要翻译： 本发明涉及可聚合化合物，其制备方法和中间体，包括它们的液晶（LC）介质，以及用于光学，电光和电子目的的可聚合化合物和LC介质的用途 特别是在LC显示器中，特别是在PS（“聚合物维持”）或PSA（“聚合物持续对准”）类型的LC显示器中。

公开(公告)号：US20150146155A1

公开(公告)日：2015-05-28

申请号：US14404650

申请日：2013-05-21

申请人： Merck Patent GmbH

发明人： Martin Engel ,  Melanie Klasen-Memmer ,  Christoph Marten ,  Stephan Derow

IPC分类号： C09K19/56 ,  G02F1/1341 ,  G02F1/1334 ,  C09K19/30

CPC分类号： C09K19/56 ,  C09K19/12 ,  C09K19/3003 ,  C09K2019/0448 ,  C09K2019/122 ,  C09K2019/3004 ,  C09K2019/3009 ,  C09K2019/301 ,  C09K2019/3016 ,  G02F1/1334 ,  G02F1/1341

摘要： The present invention relates to a liquid crystal (LC) medium, to its use for optical, electro-optical and electronic purposes, in particular in LC displays, especially in LC displays of the PS (“polymer sustained”) or PSA (“polymer sustained alignment”) type, and to LC displays, especially PS or PSA displays, comprising said LC medium.

摘要翻译： 本发明涉及用于光学，电光和电子目的的液晶（LC）介质，特别是在LC显示器中，特别是在PS（“聚合物维持”）或PSA（“聚合物”）的LC显示器中 持续对准“）型，以及包括所述LC介质的LC显示器，特别是PS或PSA显示器。

公开(公告)号：US11236063B2

公开(公告)日：2022-02-01

申请号：US16622621

申请日：2018-06-11

申请人： MERCK PATENT GMBH

发明人： Lars Lietzau ,  Achim Goetz ,  Harald Hirschmann ,  Martin Engel

IPC分类号： C07D333/76 ,  C07D307/91 ,  C09K19/32 ,  C09K19/34

摘要： Compounds of the formula I in which groups and parameters that occur have the definitions given in the disclosure. Preparation methods for these compounds. Uses of the compounds as components in liquid-crystalline media. Electrooptical display elements comprising the liquid-crystalline media.

公开(公告)号：US10907100B2

公开(公告)日：2021-02-02

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： G02F1/137 ,  C09K19/46 ,  C09K19/30 ,  C07D401/14 ,  C09K19/12 ,  C09K19/34 ,  G02F1/1333 ,  C09K19/02

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.

公开(公告)号：US10457871B2

公开(公告)日：2019-10-29

申请号：US14840461

申请日：2015-08-31

申请人： MERCK PATENT GMBH

发明人： Achim Goetz ,  Rocco Fortte ,  Martin Engel ,  Sabrina Maag ,  Ingo Almeroth ,  Thomas Mergner ,  Thorsten Kodek ,  Detlef Pauluth

IPC分类号： C09K19/54 ,  C09K19/34 ,  C09K19/30 ,  C07D401/12 ,  C09K19/44 ,  C09K19/04 ,  C09K19/12

摘要： Compounds of formula I, in which X1, X2, Sp, and R are as defined herein, are suitable for use in liquid-crystal media, such as liquid-crystal media used in liquid-crystal displays.

公开(公告)号：US10414743B2

公开(公告)日：2019-09-17

申请号：US15014890

申请日：2016-02-03

申请人： MERCK PATENT GMBH

发明人： Andreas Taugerbeck ,  Achim Goetz ,  Alexander Hahn ,  Martin Engel

IPC分类号： C07D311/22 ,  C09K19/34 ,  C09K19/44 ,  C09K19/06 ,  C07D311/14 ,  C09K19/04 ,  C09K19/12 ,  C09K19/30 ,  C09K19/54

摘要： The present invention relates to polymerizable compounds, to processes and intermediates for the preparation thereof, and to the use thereof for optical, electro-optical and electronic purposes, in particular in liquid-crystal (LC) media and LC displays, especially in LC displays of the PS (“polymer sustained”) or PSA (“polymer sustained alignment”) type.