公开(公告)号：EP4337745B1

公开(公告)日：2025-01-01

申请号：EP22728568.1

申请日：2022-05-11

Inventor： SAITO, Izumi ,  SNOW, Benjamin

IPC: C09K19/34 ,  C09K19/54 ,  C09K19/30 ,  C09K19/04 ,  C09K19/18

公开(公告)号：EP4414438A3

公开(公告)日：2024-11-06

申请号：EP24184221.0

申请日：2022-02-24

Applicant: Merck Patent GmbH

Inventor： Wang, Jing ,  Zhao, Ping ,  Choi, Chang-Suk

IPC: C09K19/30 ,  C09K19/34 ,  C09K19/04 ,  C09K19/12

Abstract: The present invention relates to liquid-crystal (LC) media having a negative dielectric anisotropy comprising a compound of formula I as defined herein, and to the use of the LC media for optical, electro-optical and electronic purposes, in particular in energy-efficient LC displays, especially in IPS, FFS, VA or PS-VA displays.

公开(公告)号：EP4428214A1

公开(公告)日：2024-09-11

申请号：EP24176440.6

申请日：2021-04-06

Applicant: Merck Patent GmbH

Inventor： Laut, Sven Christian ,  Pfeiffer, Sabrina ,  Fackler, Philipp Hans

IPC: C09K19/30 ,  C09K19/34 ,  C09K19/12 ,  C09K19/04

CPC classification number: C09K19/3098 ,  C09K19/3491 ,  C09K2019/046620130101 ,  C09K2019/12220130101 ,  C09K2019/12320130101 ,  C09K2019/12420130101 ,  C09K2019/300420130101 ,  C09K2019/300920130101 ,  C09K2019/30120130101 ,  C09K2019/301520130101 ,  C09K2019/301620130101 ,  C09K2019/301920130101 ,  C09K2019/302120130101 ,  C09K2019/302720130101 ,  C09K2019/342220130101

Abstract: The present invention relates to liquid-crystalline (LC) media having positive dielectric anisotropy and to liquid-crystal displays (LCDs) containing these media, especially to displays addressed by an active matrix and in particular to 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：EP4428213A1

公开(公告)日：2024-09-11

申请号：EP24176436.4

申请日：2021-04-06

Applicant: Merck Patent GmbH

Inventor： Laut, Sven Christian ,  Pfeiffer, Sabrina ,  Fackler, Philipp Hans

IPC: C09K19/30 ,  C09K19/34 ,  C09K19/12 ,  C09K19/04

CPC classification number: C09K19/3098 ,  C09K19/3491 ,  C09K2019/046620130101 ,  C09K2019/12220130101 ,  C09K2019/12320130101 ,  C09K2019/12420130101 ,  C09K2019/300420130101 ,  C09K2019/300920130101 ,  C09K2019/30120130101 ,  C09K2019/301520130101 ,  C09K2019/301620130101 ,  C09K2019/301920130101 ,  C09K2019/302120130101 ,  C09K2019/302720130101 ,  C09K2019/342220130101

Abstract: The present invention relates to liquid-crystalline (LC) media having positive dielectric anisotropy and to liquid-crystal displays (LCDs) containing these media, especially to displays addressed by an active matrix and in particular to 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：EP4400561A1

公开(公告)日：2024-07-17

申请号：EP24150805.0

申请日：2024-01-09

Applicant: Merck Patent GmbH

Inventor： Choi, Chang-Suk ,  Wang, Jing ,  Jung, Ji-Hun ,  Li, Yao

IPC: C09K19/30 ,  C09K19/34 ,  C09K19/12 ,  C09K19/04 ,  C09K19/06

CPC classification number: C09K2019/307820130101 ,  C09K19/3068 ,  C09K19/3491 ,  C09K2019/300420130101 ,  C09K2019/30120130101 ,  C09K2019/302720130101 ,  C09K19/3098 ,  C09K19/062 ,  C09K19/3066 ,  C09K2019/303720130101 ,  C09K2019/044820130101 ,  C09K2019/12220130101 ,  C09K2019/12320130101

Abstract: The present invention relates to a liquid-crystal (LC) mixtures or LC material based on a mixture of polar compounds, to its use for optical, electro-optical and electronic purposes, in particular in LC displays, especially in LC displays of the fringe-field switching mode, to an LC display of the fringe-field switching mode comprising the LC medium, and to a process of manufacturing the LC display.

公开(公告)号：EP4073205B1

公开(公告)日：2024-06-12

申请号：EP20819753.3

申请日：2020-12-08

IPC: C09K19/04 ,  C09K19/18 ,  C09K19/30 ,  C09K19/12

CPC classification number: C09K2019/044420130101 ,  C09K19/04 ,  C09K2219/1120130101 ,  C09K2019/18320130101 ,  C09K2019/12320130101 ,  C09K2019/306320130101 ,  C09K2019/18120130101 ,  C09K2019/301620130101

公开(公告)号：EP4377418A1

公开(公告)日：2024-06-05

申请号：EP22754082.0

申请日：2022-07-22

Applicant: Rolic Technologies AG

Inventor： CHAPPELLET, Sabrina ,  VON ARX, Tobias

IPC: C09K19/32 ,  C09K19/18 ,  C09K19/04 ,  G02B5/30

CPC classification number: C09K2019/044820130101 ,  C09K19/322 ,  C09K19/18

公开(公告)号：EP3892706B1

公开(公告)日：2024-05-22

申请号：EP21166936.1

申请日：2021-04-06

IPC: C09K19/30 ,  C09K19/34 ,  C09K19/12 ,  C09K19/04

CPC classification number: C09K19/3098 ,  C09K19/3491 ,  C09K2019/046620130101 ,  C09K2019/12220130101 ,  C09K2019/12320130101 ,  C09K2019/12420130101 ,  C09K2019/300420130101 ,  C09K2019/300920130101 ,  C09K2019/30120130101 ,  C09K2019/301520130101 ,  C09K2019/301620130101 ,  C09K2019/301920130101 ,  C09K2019/302120130101 ,  C09K2019/302720130101 ,  C09K2019/342220130101

公开(公告)号：EP4279565A3

公开(公告)日：2024-02-14

申请号：EP23193360.7

申请日：2019-07-10

Applicant: Merck Patent GmbH

Inventor： Manabe, Atsutaka ,  Brocke, Constanze ,  Baran, Sven ,  Hofmeyer, Sebastian ,  Hahn, Alexander

IPC: C09K19/34 ,  C09K19/30 ,  C09K19/12 ,  C09K19/04

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 T

in which

denotes

and the other 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 compounds of formula T and their use 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：EP4314194A2

公开(公告)日：2024-02-07

申请号：EP22718706.9

申请日：2022-03-29

Applicant: Merck Patent GmbH

Inventor： BROCKE, Constanze ,  KLASS, Dagmar ,  FRITZSCH, Carsten

IPC: C09K19/04 ,  C09K19/18 ,  C09K19/12 ,  C09K19/30