公开(公告)号：US20230340328A1

公开(公告)日：2023-10-26

申请号：US18123483

申请日：2023-03-20

Applicant: MERCK PATENT GMBH

Inventor： Sven Christian LAUT ,  Hee-Kyu LEE ,  Jing WANG

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

CPC classification number: C09K19/3098 ,  C09K19/3402 ,  G02F1/13706 ,  C09K2019/0466 ,  C09K2019/3422

Abstract: 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

Applicant: MERCK PATENT GMBH

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

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

CPC classification number: C09K19/3402 ,  C09K19/0208 ,  C09K2019/0466 ,  C09K2019/3422 ,  G02F1/137 ,  G02F1/13706

Abstract: 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：US10081765B2

公开(公告)日：2018-09-25

申请号：US15049567

申请日：2016-02-22

Applicant: Merck Patent GmbH

Inventor： Harald Hirschmann ,  Volker Reiffenrath

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

CPC classification number: 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

Abstract: 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：US20180230381A1

公开(公告)日：2018-08-16

申请号：US15746157

申请日：2016-07-12

Applicant: Merck Patent GmbH

Inventor： Takanori TAKEDA ,  Masahiko OKAMURA ,  Norihiko TANAKA ,  Yasushi SUGIYAMA

IPC: C09K19/20 ,  C09K19/30

CPC classification number: C09K19/20 ,  C09K19/3066 ,  C09K2019/0466 ,  C09K2019/123 ,  C09K2019/124 ,  C09K2019/3004 ,  C09K2019/3025

Abstract: The present invention relates to dielectrically positive liquid-crystalline media comprising one or more compounds of the formula I and II in which the parameters have the respective meanings indicated in claim 1, and to liquid-crystal displays, especially active-matrix displays and in particular displays of the vertically aligned mode, containing these media.

公开(公告)号：US20180195002A1

公开(公告)日：2018-07-12

申请号：US15865783

申请日：2018-01-09

Applicant: MERCK PATENT GMBH

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

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

CPC classification number: C09K19/3402 ,  C09K19/20 ,  C09K19/3066 ,  C09K2019/0466 ,  C09K2019/123 ,  C09K2019/3004 ,  C09K2019/301 ,  C09K2019/3422

Abstract: 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

Applicant: MERCK PATENT GMBH

Inventor： 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: C09K19/54 ,  C09K19/30 ,  C09K19/34 ,  C09K19/02 ,  G03F7/20 ,  G03F7/00 ,  G03F7/031 ,  C08F220/16 ,  C08F220/28

CPC classification number: 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

Abstract: 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

Applicant: Merck Patent GmbH

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

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

CPC classification number: 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

Abstract: 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：US20180142154A1

公开(公告)日：2018-05-24

申请号：US15567972

申请日：2016-04-21

Applicant: JIANGSU HECHENG DISPLAY TECHNOLOGY CO., LTD.

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

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

CPC classification number: 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

Abstract: 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.

公开(公告)号：US09938464B2

公开(公告)日：2018-04-10

申请号：US15108647

申请日：2014-12-03

Applicant: Merck Patent GmbH

Inventor： Michael Wittek ,  Matthias Bremer ,  Erdal Durmaz

IPC: G02F1/1333 ,  C09K19/34 ,  C09K19/02 ,  C09K19/46 ,  C09K19/04 ,  C09K19/20

CPC classification number: C09K19/3458 ,  C09K19/0275 ,  C09K19/3444 ,  C09K19/46 ,  C09K2019/0466 ,  C09K2019/2035 ,  C09K2019/2042 ,  C09K2019/3422

Abstract: The instant invention relates to mesogenic media comprising one or more compounds of formula G wherein the parameters are as specified in the text, preferably to mesogenic media showing a blue phase, preferably stabilised by a polymer, and their use in electro-optical light modulation elements and their respective use in displays, as well as to such devices.

公开(公告)号：US09902905B2

公开(公告)日：2018-02-27

申请号：US15082430

申请日：2016-03-28

Applicant: Samsung Display Co., Ltd.

Inventor： Si Heun Kim ,  Beom-Soo Shin ,  Hye Lim Jang

IPC: G02F1/1333 ,  C09K19/30 ,  C09K19/32 ,  C07C43/225 ,  G02F1/1337 ,  G02F1/1343 ,  G02F1/1362 ,  G02F1/1368 ,  C09K19/04 ,  C09K19/12 ,  C09K19/34

CPC classification number: 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

Abstract: 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.