公开(公告)号：US20240360362A1

公开(公告)日：2024-10-31

申请号：US18132551

申请日：2023-04-10

Applicant: MERCK PATENT GMBH

Inventor： Akihiro KOJIMA ,  Fumio SHIMANO

IPC: C09K19/34 ,  G02F1/1337 ,  G02F1/137

CPC classification number: C09K19/3491 ,  G02F1/133742 ,  G02F1/13712 ,  C09K2019/0448

Abstract: Liquid crystal (LC) media having negative dielectric anisotropy, the use thereof in an electro-optical display, particularly in a display with passive matrix addressing, based on the VA, ECB, FFS or IPS effect, and displays of this type, in particular an energy saving PM-VA display with low duty driving.

公开(公告)号：US20240240086A1

公开(公告)日：2024-07-18

申请号：US18612685

申请日：2024-03-21

Applicant: FUJIFILM Corporation

Inventor： Tomonori MIMURA ,  Akio TAMURA ,  Hiroyuki HAGIO ,  Yuta FUKUSHIMA

IPC: C09K19/38 ,  C09K19/04 ,  C09K19/34

CPC classification number: C09K19/3823 ,  C09K19/3491 ,  C09K2019/0448

Abstract: A liquid crystal composition capable of forming a liquid crystal cured layer with suppressed cissing during formation of a liquid crystal cured layer and excellent alignment properties, a liquid crystal cured layer, an optical film, a polarizing plate, and an image display device. The liquid crystal composition includes a liquid crystal compound and a surfactant, in which the surfactant is a copolymer having a repeating unit A including two or more silicon atom-containing groups each having three substituents and a repeating unit B including two or more ring structures consisting of a cycloalkane ring or a monocyclic aromatic ring in which at least one of the ring structures consists of a monocyclic aromatic ring.

公开(公告)号：US11952527B2

公开(公告)日：2024-04-09

申请号：US17366163

申请日：2021-07-02

Applicant: Merck Patent GmbH

Inventor： Sven Christian Laut ,  Harald Hirschmann ,  Juergen Radestock

IPC: C09K19/34 ,  C09K19/54 ,  C09K19/58

CPC classification number: C09K19/3491 ,  C09K19/542 ,  C09K19/586 ,  C09K2019/548

Abstract: A liquid crystal medium containing a compound of formula I






and
one or more compounds of the formulae IIA, IIB, IIC and IID,










useable in optical, electro-optical and electronic purposes, in particular in LC displays.

公开(公告)号：US11932797B2

公开(公告)日：2024-03-19

申请号：US17161964

申请日：2021-01-29

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：US11905450B2

公开(公告)日：2024-02-20

申请号：US17049531

申请日：2019-04-18

Applicant: MERCK PATENT GMBH

Inventor： Lars Lietzau ,  Simon Siemianowski ,  Izumi Saito ,  Rocco Fortte

IPC: C09K19/30 ,  C09K19/56 ,  G02F1/1337 ,  C07C69/736 ,  C07C69/90 ,  C07C69/92 ,  C09K19/34 ,  G02F1/1341 ,  G02F1/1343 ,  C09K19/04

CPC classification number: C09K19/56 ,  C07C69/736 ,  C07C69/90 ,  C07C69/92 ,  C09K19/3003 ,  C09K19/3066 ,  C09K19/3098 ,  C09K19/3402 ,  C09K19/3405 ,  C09K19/3491 ,  G02F1/1341 ,  G02F1/133738 ,  G02F1/133788 ,  G02F1/134309 ,  C07C2601/16 ,  C07C2602/10 ,  C07C2603/28 ,  C09K2019/0466 ,  C09K2019/301 ,  C09K2019/3004 ,  C09K2019/3009 ,  C09K2019/3016 ,  C09K2019/3025 ,  C09K2019/3408 ,  C09K2019/3422

Abstract: The invention relates to a compound of formula I,




wherein R11, R21, A11, A, Z, X11, X21, Y11, Y12, Sp11, Sp21, o and p have one of the meanings as given in claim 1. The invention further relates to method of production of a compound of formula I, to the use of said compounds in LC media and to LC media comprising one or more compounds of formula I. Further, the invention relates to a method of production of such LC media, to the use of such media in LC devices, and to LC device comprising a LC medium according to the present invention. The present invention further relates to a process for the fabrication such liquid crystal display and to the use of the liquid crystal mixtures according to the invention for the fabrication of such liquid crystal display.

公开(公告)号：US20230323209A1

公开(公告)日：2023-10-12

申请号：US18133199

申请日：2023-04-11

Applicant: MERCK PATENT GMBH

Inventor： Jing WANG

IPC: C09K19/54 ,  C09K19/30 ,  C09K19/12 ,  C09K19/34 ,  C09K19/06 ,  C09K19/20

CPC classification number: C09K19/544 ,  C09K19/3003 ,  C09K19/3048 ,  C09K19/12 ,  C09K19/3098 ,  C09K19/3402 ,  C09K19/3028 ,  C09K19/3066 ,  C09K19/3068 ,  C09K19/3444 ,  C09K19/062 ,  C09K19/3405 ,  C09K19/3491 ,  C09K19/2007 ,  C09K19/542 ,  C09K2019/3004 ,  C09K2019/301 ,  C09K2019/305 ,  C09K2019/3009 ,  C09K2019/122 ,  C09K2019/3006 ,  C09K2019/3422 ,  C09K2019/3071 ,  C09K2019/3016 ,  C09K2019/123 ,  C09K2019/3078 ,  C09K2019/3021 ,  C09K2019/3025 ,  C09K2019/3075 ,  C09K2019/3408 ,  C09K2019/124 ,  C09K2019/2042 ,  C09K2019/205 ,  C09K2019/3056 ,  C09K2019/548

Abstract: The present invention relates to liquid-crystal (LC) media as defined in claim 1, having negative dielectric anisotropy and to the use thereof for optical, electro-optical and electronic purposes, in particular in LC displays.

公开(公告)号：US20230183573A1

公开(公告)日：2023-06-15

申请号：US18079497

申请日：2022-12-12

Applicant: Shijiazhuang Chengzhi Yonghua Display Material Co.,ltd.

Inventor： Wei ZHANG ,  Xiaolong WANG ,  Yanan LI ,  Qing CUI ,  Gang WEN ,  Rui FAN

IPC: C09K19/34

CPC classification number: C09K19/3491 ,  C09K19/3402 ,  C09K2019/3425 ,  C09K2019/3416

Abstract: The present invention belongs to the technical field of liquid crystal materials, and in particular relates to a liquid crystal composition and a liquid crystal display element or liquid crystal display containing the liquid crystal composition. The liquid crystal composition of the present invention is characterized in that the liquid crystal composition comprises more than or equal to 30% of a compound represented by Formula I, and also comprises one or more compounds represented by Formula II and one or more compounds represented by Formula III. The liquid crystal composition of the present invention has a high refractive index, a high clearing point and also a low rotational viscosity, and is mainly used for the display of a projector with a relatively high working temperature and a low cell thickness.

公开(公告)号：US20230159826A1

公开(公告)日：2023-05-25

申请号：US17973646

申请日：2022-10-26

Applicant: Jiangsu Hecheng Display Technology Co., Ltd.

Inventor： Chenglong SUN ,  Yafei YANG ,  Tengyun ZHAO ,  Rongrong LI ,  Huijuan DAI ,  Panpan WANG ,  Di HE ,  Wenquan DING

IPC: C09K19/34

CPC classification number: C09K19/3491 ,  C09K19/3405 ,  C09K2019/3408

Abstract: A liquid crystal composition includes at least one compound of general formula F and at least one compound of general formula N. A liquid crystal display device includes the liquid crystal composition. The liquid crystal composition has a larger K value, a smaller rotational viscosity, a higher VHR value, a longer low temperature storage time and a shorter response time while maintaining an appropriate clearing point, an appropriate optical anisotropy, and an appropriate absolute value of dielectric anisotropy, such that the liquid crystal display device including the liquid crystal composition has a better contrast, a wider temperature range for application, a faster response speed, a better contrast and a higher reliability.

公开(公告)号：US11655417B2

公开(公告)日：2023-05-23

申请号：US16859354

申请日：2020-04-27

Applicant: MERCK PATENT GMBH

Inventor： Su-Young Kim ,  Chang-Suk Choi ,  Jeong-Hee Sung ,  Ming Chou Wu ,  Sang-Kyu Lee

IPC: G02F1/1333 ,  C09K19/34 ,  C09K19/12 ,  C09K19/20 ,  C09K19/30 ,  C09K19/32

CPC classification number: C09K19/3405 ,  C09K19/12 ,  C09K19/2007 ,  C09K19/3003 ,  C09K19/32 ,  C09K19/3491 ,  C09K2019/122 ,  C09K2019/123 ,  C09K2019/124 ,  C09K2019/125 ,  C09K2019/2078 ,  C09K2019/301 ,  C09K2019/3004 ,  C09K2019/3009 ,  C09K2019/3012 ,  C09K2019/3016 ,  C09K2019/3025 ,  C09K2019/3422

Abstract: The invention relates to a liquid-crystalline medium, in particular based on a mixture of polar compounds, and to the use thereof for an active-matrix display, in particular based on the VA, SA-VA, IPS, PS-IPS, FFS, PS-FFS, UB-FFS or PS-UB-FFS effect.

公开(公告)号：US20190203151A1

公开(公告)日：2019-07-04

申请号：US16224989

申请日：2018-12-19

Applicant: ExxonMobil Research and Engineering Company

Inventor： Abhimanyu O. PATIL ,  Aditya JAISHANKAR ,  Hong CHENG ,  Satish BODIGE ,  Martin N. WEBSTER

IPC: C10M169/04 ,  C10M133/24 ,  C10M129/70 ,  C10M119/12 ,  C10M119/02

CPC classification number: C10M105/72 ,  C09K5/10 ,  C09K19/00 ,  C09K19/062 ,  C09K19/3491 ,  C09K2019/122 ,  C09K2019/2035 ,  C09K2019/3009 ,  C10M105/06 ,  C10M105/32 ,  C10M105/34 ,  C10M105/56 ,  C10M119/02 ,  C10M119/12 ,  C10M129/70 ,  C10M133/24 ,  C10M169/044 ,  C10M2203/065 ,  C10M2205/0213 ,  C10M2205/0285 ,  C10M2205/046 ,  C10M2207/284 ,  C10M2207/2845 ,  C10M2209/084 ,  C10M2215/16 ,  C10M2219/086 ,  C10M2219/101 ,  C10M2219/102 ,  C10N2220/022 ,  C10N2220/06 ,  C10N2230/02 ,  C10N2230/06 ,  C10N2240/06 ,  C10N2240/10 ,  C10N2240/30

Abstract: Provided is a lubricant base stock, a lubricating oil including the lubricant base stock and a method for improving viscosity temperature performance or viscosity index of an engine or other mechanical component lubricated with the lubricating oil. The lubricant base stock includes one or more liquid crystals represented by the formula: R1-(A)m-Y—(B)n—R2 wherein R1 and R2 are the same or different and are a substituted or unsubstituted, alkyl or alkoxy group having from 0 to 24 carbon atoms; A and B are the same or different and are a cycloaliphatic group or aromatic group, provided at least one of A and B is an aromatic group; Y is a covalent bond, —CH2-CH2-, —CH═CH—, —C≡C—, —OCOO—, —COO—, —CO—, —CSO—, —CSS—, —CS—, —O—, —S—, —SO—, —SO2-, —CH2O—, —OCH2O—, —NO—, —ONO2, —COOH, —OH, or —C≡N; and m and n are independently 0, 1, 2 or 3. The lubricant base stock has a kinematic viscosity of 2 cSt to 28 cSt at 40° C., and 1 cSt to 12 cSt at 100° C.