公开(公告)号：US12110438B2

公开(公告)日：2024-10-08

申请号：US18012683

申请日：2021-06-25

Applicant: Jiangsu Hecheng Display Technology Co., Ltd.

Inventor： Di He ,  Wenquan Ding ,  Haibin Xu ,  Shuang Xu ,  Huijuan Dai ,  Lifang Yao

IPC: C09K19/34 ,  G02F1/1343 ,  G02F1/137

CPC classification number: C09K19/3491 ,  C09K19/3405 ,  C09K2019/3408 ,  G02F1/134363 ,  G02F1/13712

Abstract: A liquid crystal composition containing dibenzo derivatives for use in a liquid crystal display device includes at least one compound of general formula I and at least one compound of general formula II.

公开(公告)号：US12031078B2

公开(公告)日：2024-07-09

申请号：US16318449

申请日：2017-07-17

Applicant: Merck Patent GmbH

Inventor： Dong-Mee Song ,  Jung-Min Lee ,  Yong-Hyun Choi ,  Yong-Kuk Yun

IPC: G02F1/1333 ,  C09K19/04 ,  C09K19/30 ,  C09K19/34 ,  E06B9/24 ,  G02F1/1334 ,  G02F1/1337 ,  C09K19/12 ,  C09K19/18

CPC classification number: C09K19/04 ,  C09K19/3066 ,  C09K19/3402 ,  C09K19/3405 ,  C09K19/3491 ,  E06B9/24 ,  G02F1/1334 ,  G02F1/133703 ,  C09K2019/0448 ,  C09K2019/122 ,  C09K2019/123 ,  C09K2019/181 ,  C09K2019/183 ,  C09K2019/3004 ,  C09K2019/301 ,  C09K2019/3016 ,  C09K2019/3021 ,  C09K2019/3027 ,  C09K2019/3063 ,  C09K2019/3408 ,  C09K2019/3422 ,  E06B2009/2464 ,  G02F1/13345 ,  G02F1/13347 ,  G02F1/133742 ,  G02F2202/043

Abstract: The present invention relates to a switching layer based on a liquid-crystalline mixture for use in an optical switching element. The invention also encompasses a switching element comprising the switching layer and a window element containing the switching element. The liquid crystalline mixture comprises a low-molecular liquid crystal component, a polymer component and a self-alignment additive for vertical alignment.

公开(公告)号：US11939509B2

公开(公告)日：2024-03-26

申请号：US17166262

申请日：2021-02-03

Applicant: Merck Patent GmbH

Inventor： Harald Hirschmann ,  Monika Bauer ,  Martina Windhorst ,  Marcus Reuter ,  Kristin Weiss

IPC: G02F1/1333 ,  C09K19/30 ,  C09K19/32 ,  C09K19/34 ,  C09K19/54 ,  C09K19/56 ,  C09K19/58 ,  C09K19/04 ,  C09K19/12 ,  G02F1/1362

CPC classification number: C09K19/3491 ,  C09K19/30 ,  C09K19/3001 ,  C09K19/3003 ,  C09K19/3066 ,  C09K19/3068 ,  C09K19/3098 ,  C09K19/32 ,  C09K19/322 ,  C09K19/3402 ,  C09K19/3405 ,  C09K19/542 ,  C09K19/56 ,  C09K19/58 ,  C09K19/586 ,  C09K19/588 ,  C09K2019/0411 ,  C09K2019/0466 ,  C09K2019/123 ,  C09K2019/3004 ,  C09K2019/3009 ,  C09K2019/301 ,  C09K2019/3015 ,  C09K2019/3016 ,  C09K2019/3021 ,  C09K2019/3027 ,  C09K2019/303 ,  C09K2019/305 ,  C09K2019/3071 ,  C09K2019/3078 ,  C09K2019/3096 ,  C09K2019/327 ,  C09K2019/3408 ,  C09K2019/3422 ,  C09K2019/3425 ,  C09K2019/548 ,  G02F1/1362

Abstract: A liquid-crystalline medium which comprises at least one compound selected from the group of compounds of the formulae IA to IH,




in which

Z1 denotes a single bond, —CH2CH2—, —CH═CH—, —CH2O—, —OCH2—, —CF2O—, —OCF2—, —COO—, —OCO—, —C2F4—, —(CH2)4—, —CHFCHF—, —CF2CH2—, —CH2CF2—, —C≡C—, —CF═CF—, —CH═CHCHO— or —CH2CF2O—,

and the use thereof for an active-matrix display, in particular based on the VA, PSA, PS-VA, PALC, FFS, PS-FFS, SA-VA, PS-IPS or IPS effect.

公开(公告)号：US11667841B2

公开(公告)日：2023-06-06

申请号：US17289396

申请日：2019-10-28

Applicant: MERCK PATENT GMBH

Inventor： Matthias Bremer ,  Constanze Brocke ,  Atsutaka Manabe ,  Sven Laut

IPC: G02F1/1333 ,  C09K19/34 ,  C07D307/91 ,  C07D333/76

CPC classification number: C09K19/3405 ,  C07D307/91 ,  C07D333/76 ,  C09K19/3494 ,  C09K2019/3408

Abstract: The present invention relates to a compound of the general formula I




in which the occurring groups and parameters have the meanings indicated in claim 1, to the use thereof in liquid-crystalline or mesogenic media and to liquid-crystalline or mesogenic media comprising these derivatives.

公开(公告)号：US20190185748A1

公开(公告)日：2019-06-20

申请号：US16225508

申请日：2018-12-19

Applicant: MERCK PATENT GMBH

Inventor： Kirsten (Min-Chu) LIAO

IPC: C09K19/30 ,  C09K19/20 ,  C09K19/34 ,  C09K19/06 ,  C09K19/54 ,  C09K19/32

CPC classification number: C09K19/3003 ,  C09K19/0403 ,  C09K19/062 ,  C09K19/068 ,  C09K19/12 ,  C09K19/14 ,  C09K19/16 ,  C09K19/20 ,  C09K19/2007 ,  C09K19/32 ,  C09K19/322 ,  C09K19/3402 ,  C09K19/3447 ,  C09K19/3458 ,  C09K19/3491 ,  C09K19/36 ,  C09K19/542 ,  C09K19/56 ,  C09K19/586 ,  C09K19/588 ,  C09K2019/0448 ,  C09K2019/0466 ,  C09K2019/0481 ,  C09K2019/122 ,  C09K2019/123 ,  C09K2019/2042 ,  C09K2019/2078 ,  C09K2019/3009 ,  C09K2019/301 ,  C09K2019/3016 ,  C09K2019/3018 ,  C09K2019/3027 ,  C09K2019/328 ,  C09K2019/3408 ,  C09K2019/3422 ,  C09K2019/3425 ,  C09K2019/548

Abstract: The present invention relates to an LC medium comprising and a liquid-crystalline host consisting of an LC component H) comprising one or more mesogenic or liquid-crystalline compounds and an optically active component D) and optionally a polymerizable component P) comprising one or more polymerizable compounds; 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 polymer sustained alignment type.

公开(公告)号：US20180313990A1

公开(公告)日：2018-11-01

申请号：US16026600

申请日：2018-07-03

Applicant: FUJIFILM Corporation

Inventor： Ayako MURAMATSU ,  Shinnosuke SAKAI ,  Teruki NIORI ,  Shinichi MORISHIMA

IPC: G02B5/30 ,  C09K19/12 ,  C09K19/20 ,  C09K19/24 ,  C09K19/30 ,  C09K19/34 ,  C09K19/32 ,  C09K19/04

CPC classification number: G02B5/3016 ,  C09K19/12 ,  C09K19/2007 ,  C09K19/2028 ,  C09K19/24 ,  C09K19/3068 ,  C09K19/32 ,  C09K19/322 ,  C09K19/3447 ,  C09K19/3486 ,  C09K19/3491 ,  C09K19/3497 ,  C09K2019/0448 ,  C09K2019/2078 ,  C09K2019/3077 ,  C09K2019/3408 ,  C09K2019/3416 ,  G02B5/305 ,  G02B5/3083

Abstract: To suppress a phenomenon where an optical axis of the optically anisotropic layer is tilted when the optically anisotropic layer is produced by using a liquid crystalline compound showing smectic phase as a materials showing a higher level of orderliness. An optically anisotropic layer wherein a polymerizable composition, containing one or more polymerizable rod-like liquid crystal compound showing a smectic phase, is fixed in a state of smectic phase, and a direction of maximum refractive index of the optically anisotropic layer is inclined at 10° or smaller to the surface of the optically anisotropic layer, a method for manufacturing the same, a laminate and a method for manufacturing the same, a polarizing plate, a liquid crystal display device, and an organic EL display device.

公开(公告)号：US10072210B2

公开(公告)日：2018-09-11

申请号：US15097505

申请日：2016-04-13

Applicant: MERCK PATENT GMBH

Inventor： Atsutaka Manabe

IPC: G02F1/1333 ,  C09K19/34 ,  G02F1/1343 ,  G02F1/1362 ,  C09K19/02 ,  C09K19/30 ,  C09K19/32 ,  C09K19/06 ,  C09K19/04 ,  C09K19/12

CPC classification number: C09K19/3405 ,  C09K19/02 ,  C09K19/062 ,  C09K19/3098 ,  C09K19/32 ,  C09K2019/0466 ,  C09K2019/122 ,  C09K2019/301 ,  C09K2019/3027 ,  C09K2019/3408 ,  C09K2019/3422 ,  G02F1/134363 ,  G02F1/1362 ,  G02F2001/134372

Abstract: The invention relates to a liquid-crystalline medium, having particular dielectric properties, in that it has: either a dielectric constant perpendicular to the director (ε⊥) in the range of 2 or more to less 8 or less and at the same time a ratio of the dielectric constant perpendicular to the director (ε⊥) to the dielectric anisotropy (Δε), i.e. (ε⊥/Δε) of 1.0 or more or or a dielectric constant perpendicular to the director (ε⊥) of 8 or more and a dielectric anisotropy (Δε) of 26 or less and preferably comprises one or more compounds having a high dielectric constant perpendicular to the director (ε⊥) and a high average dielectric constant (εav.). These compounds are suitable for use in an electro-optical display, particularly in an active-matrix display based on the IPS or FFS effect.

公开(公告)号：US20180163131A1

公开(公告)日：2018-06-14

申请号：US15817634

申请日：2017-11-20

Applicant: VVI BRIGHT CHINA LTD.

Inventor： Xinhua CHEN ,  R. Amaranatha REDDY

IPC: C09K19/32 ,  C09K19/30 ,  C07C25/22 ,  C09K19/34

CPC classification number: C09K19/322 ,  C07C25/22 ,  C07C2601/08 ,  C09K19/30 ,  C09K19/3405 ,  C09K2019/3408 ,  Y10T428/10

Abstract: Provided are liquid crystal compounds and mixtures incorporating the same. The liquid crystal compounds of the invention generally comprise a cyclopentane group and at least two other rings. In one embodiment, the liquid crystal compounds of the invention comprise a cyclopentane group and at least two other rings, one of which is a fused ring system.

公开(公告)号：US20170327743A1

公开(公告)日：2017-11-16

申请号：US15666897

申请日：2017-08-02

Applicant: JNC CORPORATION ,  JNC PETROCHEMICAL CORPORATION

Inventor： Yuko KATANO ,  Yukio HIRANO ,  Keisuke IZAWA ,  Fumitaka KONDO

IPC: C09K19/54 ,  G02F1/1337 ,  C08G73/10 ,  C09D179/08 ,  C09K19/20 ,  C09K19/24 ,  C09K19/30 ,  C09K19/34 ,  C09K19/38 ,  G02F1/1343 ,  C09K19/12 ,  C09K19/16 ,  C09K19/18 ,  C09K19/32 ,  G02F1/137 ,  G02F1/1333

CPC classification number: C09K19/542 ,  C08G73/1042 ,  C08G73/1067 ,  C08G73/1071 ,  C08G73/1078 ,  C08G73/1096 ,  C09D179/08 ,  C09K19/2007 ,  C09K19/24 ,  C09K19/3003 ,  C09K19/3066 ,  C09K19/3402 ,  C09K19/3809 ,  C09K2019/122 ,  C09K2019/123 ,  C09K2019/161 ,  C09K2019/181 ,  C09K2019/188 ,  C09K2019/3009 ,  C09K2019/301 ,  C09K2019/3016 ,  C09K2019/3036 ,  C09K2019/3037 ,  C09K2019/325 ,  C09K2019/3408 ,  C09K2019/3422 ,  C09K2019/548 ,  G02F1/133723 ,  G02F1/133788 ,  G02F1/134363 ,  G02F2001/133397 ,  G02F2001/13712 ,  Y10T428/10 ,  Y10T428/1005 ,  C08K5/357 ,  C08L63/00 ,  C08K5/353

Abstract: The present invention relates to a liquid crystal display element including a pair of a substrate arranged opposite to each other, an electrode group disposed on one side or both sides of the pair of substrates facing each other, a plurality of active elements connected to the electrode group, a liquid crystal alignment film disposed on each facing side of the pair of substrates, and a liquid crystal layer interposed between the pair of substrates, wherein the liquid crystal alignment film is manufactured by irradiating linearly polarized light to a film obtained from polyamic acid or a derivative thereof having a photoisomerization structure in the main chain or a film being subject to heat-baking so as to provide alignment-controlling capability, and the liquid crystal layer is a liquid crystal composition having negative (−) dielectric anisotropy. By the present invention, a liquid crystal display element having improved image sticking characteristics and good alignment stability is provided.

公开(公告)号：US20170306232A1

公开(公告)日：2017-10-26

申请号：US15492431

申请日：2017-04-20

Applicant: Merck Patent GmbH

Inventor： Harald HIRSCHMANN ,  Martina WINDHORST

IPC: C09K19/34 ,  C09K19/54 ,  G02F1/1362 ,  G02F1/1333 ,  C09K19/30

CPC classification number: C09K19/3405 ,  C09K19/062 ,  C09K19/3003 ,  C09K19/54 ,  C09K19/542 ,  C09K2019/0448 ,  C09K2019/122 ,  C09K2019/123 ,  C09K2019/3004 ,  C09K2019/3009 ,  C09K2019/301 ,  C09K2019/3016 ,  C09K2019/3027 ,  C09K2019/3408 ,  C09K2019/548 ,  G02F1/133365 ,  G02F1/1362

Abstract: The invention relates to a liquid-crystalline medium and to the use thereof for an active-matrix display, in particular based on the VA, PSA, PS-VA, PM-VA, SS-VA, PALC, IPS, PS-IPS, FFS or PS-FFS effect.