公开(公告)号：US20200262795A1

公开(公告)日：2020-08-20

申请号：US16087354

申请日：2017-03-22

Applicant: MERCK PATENT GMBH

Inventor： Matthias BREMER ,  Atsutaka MANABE

IPC: C07D239/26 ,  C09K19/18 ,  C09K19/32 ,  C09K19/34

Abstract: The present invention relates to compounds of formula M in which RM has the meaning indicated in claim 1, to liquid crystal mixture comprising the same, to the use of these liquid-crystal media, in particular in components for high-frequency technology, and to components of this type which contain media according to the invention, and to the production and use of these components. The components according to the invention are suitable, in particular, as phase shifters in the microwave and millimetre wave region, for microwave and millimetre wave array antennae and very particularly for so-called tunable “reflectarrays”.

公开(公告)号：US20180086980A1

公开(公告)日：2018-03-29

申请号：US15714604

申请日：2017-09-25

Applicant: MERCK PATENT GMBH

Inventor： Atsutaka MANABE

IPC: C09K19/30 ,  C09K19/04 ,  C09K19/06 ,  C09K19/34

CPC classification number: C09K19/3003 ,  C09K19/0403 ,  C09K19/066 ,  C09K19/12 ,  C09K19/20 ,  C09K19/3098 ,  C09K19/32 ,  C09K19/34 ,  C09K19/3405 ,  C09K19/3444 ,  C09K19/3491 ,  C09K2019/0414 ,  C09K2019/0466 ,  C09K2019/122 ,  C09K2019/123 ,  C09K2019/3016 ,  C09K2019/3027 ,  C09K2019/3408 ,  C09K2019/3422

Abstract: The invention relates to a liquid-crystalline medium, preferably having a nematic phase and dielectric anisotropy of 0.5 or more, which comprises one or more compounds of formula Y in which the parameters have the meanings given in the text, to the use thereof in an electro-optical display, particularly in an active-matrix display based on the IPS or FFS effect, to displays of this type which contain a liquid-crystalline medium of this type, and to the use of the compounds of formula Y for the improvement of the transmission and/or response times of a liquid-crystalline medium which comprises one or more additional mesogenic compounds.

公开(公告)号：US20170292072A1

公开(公告)日：2017-10-12

申请号：US15480572

申请日：2017-04-06

Applicant: MERCK PATENT GMBH

Inventor： Atsutaka MANABE ,  Volker REIFFENRATH ,  Constanze BROCKE ,  Lars LIETZAU ,  Brigitte SCHULER

IPC: C09K19/04 ,  G02F1/1362 ,  G02F1/1333 ,  G02F1/13363 ,  G02F1/00 ,  G02F1/1334

CPC classification number: C09K19/0403 ,  C09K19/3048 ,  C09K19/3491 ,  C09K2019/0407 ,  C09K2019/0444 ,  C09K2019/0466 ,  C09K2019/123 ,  C09K2019/3004 ,  C09K2019/3009 ,  C09K2019/301 ,  C09K2019/3422 ,  G02F1/0045 ,  G02F1/133365 ,  G02F1/1334 ,  G02F1/133636 ,  G02F1/1362 ,  G02F2001/134372

Abstract: A liquid-crystalline medium, preferably having a nematic phase and dielectric anisotropy of 0.5 or more, which has one or more compounds of formula S in which denotes and the other parameters have the meanings given in the text. Also, the use of the medium in an electro-optical display, particularly in an active-matrix display based on the IPS or FFS effect. Displays of this type which contain a liquid-crystalline medium of this type. And use of the compounds of formula S for the improvement of the transmission and/or response times of a liquid-crystalline medium which comprises one or more additional mesogenic compounds.

公开(公告)号：US20170233652A1

公开(公告)日：2017-08-17

申请号：US15502725

申请日：2015-07-13

Applicant: MERCK PATENT GMBH

Inventor： Atsutaka MANABE ,  Sven BARAN ,  Lars LIETZAU ,  Brigitte SCHULER

IPC: C09K19/30 ,  C09K19/02

CPC classification number: C09K19/3098 ,  C09K19/0216 ,  C09K19/062 ,  C09K19/3003 ,  C09K19/3048 ,  C09K2019/3004 ,  C09K2019/3009 ,  C09K2019/301 ,  C09K2019/3027 ,  C09K2019/305

Abstract: The invention relates to a liquid-crystalline medium, preferably having a nematic phase and negative dielectric anisotropy, which comprises a) one or more compounds of formula I and b) one or more compounds selected from the group of compounds of the formulae II and III in which the parameters have the respective meanings indicated in claim 1, to the use thereof in an electro-optical display, particularly in an active-matrix display based on the VA, ECB, PALC, IPS or FFS effect, to displays of this type which contain a liquid-crystalline medium of this type, and to the use of the compounds of formula I for reduction of the dispersion of the birefringence of a liquid-crystalline medium which comprises one or more compounds of the formulae II and/or III.

公开(公告)号：US20240043747A1

公开(公告)日：2024-02-08

申请号：US18039793

申请日：2021-11-30

Applicant: MERCK PATENT GMBH

Inventor： Matthias BREMER ,  Atsutaka MANABE ,  Martin KRASKA

IPC: C09K19/20 ,  C07C255/54 ,  C07C255/55 ,  C09K19/34 ,  C09K19/02

CPC classification number: C09K19/2007 ,  C07C255/54 ,  C07C255/55 ,  C09K19/3402 ,  C09K19/0225 ,  C09K2019/0466

Abstract: New compounds and their mixtures enable the formation of the ferroelectric nematic liquid crystalline phase at ambient temperature. Compounds of the formula I are presented,






in which the variable groups have the meanings indicated in claim 1. Liquid crystal media comprise at least one compound of the formula I.

公开(公告)号：US20230061307A1

公开(公告)日：2023-03-02

申请号：US17415037

申请日：2019-12-17

Applicant: MERCK PATENT GMBH

Inventor： Atsutaka MANABE ,  Constanze BROCKE ,  Susan (Min Tzu) CHUANG ,  Sven Christian LAUT ,  Sabrina PFEIFFER ,  Ramin TAVAKOLI

IPC: C09K19/34 ,  C09K19/54 ,  C09K19/58 ,  C07D333/76 ,  C07D307/91

Abstract: The invention relates to a liquid-crystalline medium having a nematic phase comprising one or more compounds of formula X wherein the parameters have the meaning given in the text, to the use thereof in an electro-optical display, particularly in an active-matrix display based on the IPS or FFS effect, to displays of this type which contain a liquid-crystalline medium of this type and to the use of the compounds of formula X for improvement of the transmission and/or response times of a liquid-crystalline medium which comprises one or more additional mesogenic compounds, as well as to certain compounds of formula X, as specified in the text.

公开(公告)号：US20190100695A1

公开(公告)日：2019-04-04

申请号：US16087159

申请日：2017-03-22

Applicant: Merck Patent GmbH

Inventor： Atsutaka MANABE ,  Christian JASPER ,  Volker REIFFENRATH ,  Constanze BROCKE ,  Detlef PAULUTH ,  Dagmar KLASS ,  Renate SEEGER

IPC: C09K19/18 ,  C09K19/34

Abstract: The present invention relates to liquid crystal mixtures comprising one or more compounds of the formula A and, in addition one or more compounds of formula I or one or more compounds of formula II wherein the individual radicals have the respective meanings indicated in claim 1, to the use thereof for high-frequency components, and to high-frequency components, in particular antennae, especially for the gigahertz range, comprising these media.

公开(公告)号：US20190002430A1

公开(公告)日：2019-01-03

申请号：US16021657

申请日：2018-06-28

Applicant: Merck Patent GmbH

Inventor： Atsutaka MANABE ,  Constanze BROCKE ,  Brigitte SCHULER ,  Ramin TAVAKOLI

IPC: C07D333/76 ,  G02F1/1343 ,  G02F1/137

CPC classification number: C07D333/76 ,  C09K19/20 ,  C09K19/3098 ,  C09K19/3402 ,  C09K19/3491 ,  C09K19/44 ,  C09K2019/0466 ,  C09K2019/122 ,  C09K2019/123 ,  C09K2019/124 ,  C09K2019/3004 ,  C09K2019/301 ,  C09K2019/3054 ,  C09K2019/3422 ,  G02F1/134363 ,  G02F1/137 ,  G02F2001/134372 ,  G02F2001/13706 ,  G02F2001/13712

Abstract: The invention relates to a liquid-crystalline medium, preferably having a nematic phase and dielectric anisotropy of 0.5 or more, which comprises one or more compounds of formula S in which denotes and to the use thereof in an electro-optical display, particularly in an active-matrix display based on the IPS or FFS effect, to displays of this type which contain a liquid-crystalline medium of this type, and to the use of the compounds of formula S for the improvement of the transmission and/or response times of a liquid-crystalline medium which comprises one or more additional mesogenic compounds.

公开(公告)号：US20170335190A1

公开(公告)日：2017-11-23

申请号：US15161769

申请日：2016-05-23

Applicant: MERCK PATENT GMBH

Inventor： Atsutaka MANABE ,  Volker REIFFENRATH ,  Brigitte SCHULER

IPC: C09K19/34 ,  G02F1/1343 ,  G02F1/1362

CPC classification number: C09K19/3405 ,  C09K19/20 ,  C09K19/3001 ,  C09K19/3098 ,  C09K19/3402 ,  C09K19/3447 ,  C09K19/3458 ,  C09K19/44 ,  C09K2019/0466 ,  C09K2019/122 ,  C09K2019/3004 ,  C09K2019/301 ,  C09K2019/3025 ,  C09K2019/3408 ,  C09K2019/3422 ,  G02F1/134363 ,  G02F1/1362 ,  G02F2001/134372

Abstract: A liquid-crystalline medium having a nematic phase, a dielectric anisotropy of 0.5 or more and a ratio of the dielectric constant perpendicular to the director (∈⊥) to the dielectric anisotropy (Δ∈), i.e. (∈⊥/Δ∈), of 2.0 or less and comprises one or more compounds of formula I wherein the parameters have the meaning given in the text.An electro-optical display containing such a medium, particularly in an active-matrix display based on the IPS or FFS effect. Methods for using of the compounds of formula I for improvement of the transmission and/or response times of a liquid-crystalline medium which comprises one or more additional mesogenic compounds.

公开(公告)号：US20170306230A1

公开(公告)日：2017-10-26

申请号：US15523609

申请日：2015-10-01

Applicant: MERCK PATENT GMBH

Inventor： Atsutaka MANABE ,  Christian JASPER ,  Volker REIFFENRATH ,  Constanze BROCKE ,  Detlef PAULUTH ,  Dagmar KLASS ,  Michael WITTEK ,  Renate SEEGER

IPC: C09K19/30 ,  C09K19/58 ,  H01Q21/06 ,  H01Q3/36 ,  C09K19/54

CPC classification number: C09K19/3003 ,  C09K19/16 ,  C09K19/18 ,  C09K19/20 ,  C09K19/542 ,  C09K19/586 ,  C09K19/588 ,  C09K2019/0448 ,  C09K2019/0459 ,  C09K2019/0466 ,  C09K2019/123 ,  C09K2019/124 ,  C09K2019/163 ,  C09K2019/165 ,  C09K2019/166 ,  C09K2019/168 ,  C09K2019/183 ,  C09K2019/185 ,  C09K2019/3004 ,  C09K2019/3009 ,  C09K2019/3025 ,  C09K2219/11 ,  H01Q3/36 ,  H01Q21/06

Abstract: The present invention relates to liquid-crystalline media comprising—one or more compounds of formulae CC and/or CP and—one or more compounds selected from the group of compounds of formulae (I), (II) and (III), in which the parameters have the meaning indicated in Claim 1, and to components comprising these media for high-frequency technology, in particular phase shifters and microwave array antennas.