公开(公告)号：US20240174925A1

公开(公告)日：2024-05-30

申请号：US18281306

申请日：2022-03-10

Applicant: DIC Corporation

Inventor： Yuichi INOUE ,  Daiki NORO ,  Junichi MAMIYA

IPC: C09K19/58 ,  C09K19/14 ,  C09K19/20 ,  C09K19/30 ,  C09K19/34 ,  C09K19/60

CPC classification number: C09K19/58 ,  C09K19/14 ,  C09K19/20 ,  C09K19/3001 ,  C09K19/3458 ,  C09K19/60

Abstract: An object of the present invention is to provide a dye compound-containing liquid crystal composition that has high solubility and high solubility retention for the dye compound and has high light resistance and a device including the composition. The use of a combination of one or two or more predetermined alkenyl compounds and a compound including a predetermined difluoro structure can provide a dye compound-containing liquid crystal composition that has high solubility and high solubility retention for the dye compound and has high light resistance, and the dye compound-containing liquid crystal composition is useful for devices, in particular, photochromic devices.

公开(公告)号：US20240142682A1

公开(公告)日：2024-05-02

申请号：US18481056

申请日：2023-10-04

Applicant: FUJIFILM Corporation

Inventor： Mayumi NOJIRI ,  Ayako MURAMATSU ,  Naoya SHIBATA ,  Yuki HIRAI ,  Ryoji HIMENO ,  Shinichi MORISHIMA ,  Takashi KATOU

IPC: G02B5/20 ,  C09K19/60 ,  G02B5/30

CPC classification number: G02B5/208 ,  C09K19/60 ,  G02B5/3058

Abstract: A light absorption anisotropic layer which has a high S/N ratio for generating polarized light with respect to rays in an infrared wavelength region, is lightweight, and has excellent handleability, a laminate, and a sensor system including the light absorption anisotropic layer or the laminate. The light absorption anisotropic layer contains a dichroic coloring agent having a maximal absorption at a wavelength of 700 to 1500 nm, in which an average absorbance at a wavelength of 850 nm is 0.24 to 0.50 and a thickness is 5 μm or less.

公开(公告)号：US11966120B2

公开(公告)日：2024-04-23

申请号：US17765961

申请日：2020-09-29

Applicant: Nissan Chemical Corporation

Inventor： Kanako Suzuki ,  Masaaki Katayama ,  Masafumi Takahashi ,  Kazuyoshi Hosaka

IPC: G02F1/1337 ,  C08G73/10 ,  C09K19/56 ,  C09K19/60 ,  G02F1/137

CPC classification number: G02F1/133723 ,  C08G73/1032 ,  C08G73/1042 ,  C08G73/105 ,  C08G73/1078 ,  C09K19/56 ,  C09K19/60 ,  G02F1/133742 ,  G02F1/13712 ,  G02F2202/04

Abstract: A liquid crystal light control element that controls a light absorption state by voltage application, the liquid crystal light control element including: a liquid crystal layer containing a liquid crystal composition between a pair of substrates each having an electrode; and a liquid crystal alignment film that is provided on at least one of the substrates and aligns a liquid crystal vertically,



wherein the liquid crystal composition contains a liquid crystal and a dichroic dye,
the liquid crystal alignment film is obtained from a liquid crystal aligning agent containing a polyimide precursor in which a diamine having a specific side chain is used as a part of the raw material or a polyimide obtained by imidizing the polyimide precursor, and
the proportion of the diamine used is 50 to 100 mol % based on the entire diamine component.

公开(公告)号：US20240094576A1

公开(公告)日：2024-03-21

申请号：US18238183

申请日：2023-08-25

Applicant: Orbotech Ltd.

Inventor： Karla G. Gutierrez Cuevas ,  Jason Reid ,  Nungavaram Viswanathan

IPC: G02F1/1334 ,  C09B47/04 ,  C09B67/20 ,  C09K19/02 ,  C09K19/54 ,  C09K19/60 ,  G02F1/1333 ,  G02F1/137

CPC classification number: G02F1/1334 ,  C09B47/04 ,  C09B67/0069 ,  C09K19/0225 ,  C09K19/0275 ,  C09K19/542 ,  C09K19/60 ,  G02F1/133302 ,  G02F1/137 ,  C09K2019/546 ,  G02F2202/04

Abstract: A modulator material layer includes a polymer matrix formed of a plurality of cross-linked polymer molecules and a plurality of droplets of liquid crystals within the polymer matrix. A planar macrocycle dye is dispersed within the plurality of droplets of liquid crystals. The planar macrocycle dye can include one or more of a phthalocanine, a porphyrin, a naphthalocyanine, a metallophthalocyanine, a metalloporphyrin, or a metallonaphthalocyanine.

公开(公告)号：US20190185746A1

公开(公告)日：2019-06-20

申请号：US16330808

申请日：2017-09-04

Applicant: Merck Patent GmbH

Inventor： Dong-Mee SONG ,  Hyun-Woo BAE ,  Jung-Min LEE ,  Yong-Kuk YUN

IPC: C09K19/04 ,  H01L27/32 ,  G02F1/1334 ,  C09K19/60 ,  C09K19/54

CPC classification number: C09K19/04 ,  C09K19/54 ,  C09K19/60 ,  C09K19/601 ,  C09K2019/0448 ,  C09K2019/123 ,  C09K2019/3009 ,  C09K2019/301 ,  C09K2019/3016 ,  C09K2019/3021 ,  C09K2019/3027 ,  C09K2019/303 ,  C09K2019/3031 ,  C09K2019/3037 ,  C09K2019/305 ,  C09K2019/3051 ,  C09K2019/3071 ,  C09K2019/3077 ,  C09K2019/3078 ,  C09K2019/323 ,  C09K2019/328 ,  C09K2019/3425 ,  G02F1/1334 ,  G02F2001/13345 ,  H01L27/3232

Abstract: The present invention relates to liquid crystalline (LC) medium, to a method of its production and to the use of such LC media in polymer network liquid crystalline (PNLC) light modulation elements operated in the normally transparent mode. Furthermore, the present invention relates to such light modulation elements, as such, to the use of such light modulation elements as light shutters for transparent OLED displays, to the use of such light modulation elements in smart windows, and to a method of production of such light modulation elements according to the present invention.

公开(公告)号：US10023743B2

公开(公告)日：2018-07-17

申请号：US15551305

申请日：2016-02-17

Applicant: Sumitomo Chemical Company, Limited

Inventor： Noriyuki Hida ,  Haruki Okawa

IPC: G02F1/1335 ,  C09K19/60 ,  G02B5/30 ,  C09K19/38 ,  C09B31/043 ,  C09B43/00

CPC classification number: C09B31/043 ,  B29D11/00644 ,  B29D11/0073 ,  C09B43/00 ,  C09B43/003 ,  C09B43/11 ,  C09B43/28 ,  C09K19/24 ,  C09K19/3486 ,  C09K19/3497 ,  C09K19/38 ,  C09K19/52 ,  C09K19/60 ,  C09K19/601 ,  C09K2019/0448 ,  G02B5/30 ,  G02B5/3016 ,  G02F1/1303 ,  G02F1/1335 ,  G02F1/133528

Abstract: A compound serving as a dichroic pigment which has a maximum absorption wavelength in a range of 350 nm to 510 nm is represented by the following Formula (1): In Formula (1), R1 represents a hydrogen atom or a C1-C20 alkyl group; R2 through R4 are substituents which are not hydrogen atoms and each independently represent a C1-C4 alkyl group; n, m, and p are each independently an integer of 0 to 2; and Ar1 represents a nitrogen-containing saturated heterocyclic group which is a 5 to 8-membered ring and in which (i) N is bonded to a phenylene group and (ii) at least one β-position is an oxygen atom or a sulfur atom.

公开(公告)号：US10007038B2

公开(公告)日：2018-06-26

申请号：US14552522

申请日：2014-11-25

Applicant: Transitions Optical, Inc.

Inventor： Anil Kumar ,  Peter C. Foller ,  Jiping Shao

IPC: G02C7/02 ,  G02B5/22 ,  C09K19/04 ,  C09K19/20 ,  C09K19/38 ,  C09K19/52 ,  C09K19/54 ,  C09K19/60 ,  G02B5/30 ,  G02B1/10 ,  G02B1/12 ,  G02C7/10 ,  G02B5/23

CPC classification number: G02B5/223 ,  C09K19/0403 ,  C09K19/2007 ,  C09K19/38 ,  C09K19/52 ,  C09K19/54 ,  C09K19/544 ,  C09K19/60 ,  C09K2019/0448 ,  C09K2019/546 ,  G02B1/10 ,  G02B1/12 ,  G02B5/23 ,  G02B5/3016 ,  G02C7/108 ,  Y10T428/10 ,  Y10T428/1036 ,  Y10T428/1086 ,  Y10T428/265

Abstract: The present invention relates to optical elements, such as but not limited to ophthalmic elements, comprising an alignment facility for an optical dye. The optical elements include a substrate; and an alignment facility for an optical dye connected to at least a portion of the substrate, where the alignment facility is an at least partial coating of an at least partially ordered liquid crystal material having at least a first general direction.

公开(公告)号：US20180136507A1

公开(公告)日：2018-05-17

申请号：US15648916

申请日：2017-07-13

Applicant: Electronics and Telecommunications Research Institute

Inventor： Sujung KIM ,  Gi Heon KIM ,  Yong Hae KIM ,  Chi-Sun HWANG

IPC: G02F1/137 ,  C09K19/60 ,  G02F1/1333

CPC classification number: G02F1/13737 ,  C09K19/544 ,  C09K19/60 ,  C09K19/601 ,  G02F1/1333 ,  G02F1/133365 ,  G02F1/1334 ,  G02F1/13725 ,  G02F2001/133637

Abstract: Provided are a liquid crystal device, a method for manufacturing a liquid crystal device, and a method for operating a liquid crystal device. According to the inventive concept, a method for manufacturing a liquid crystal device includes preparing a precursor solution including a monomer, liquid crystal molecules, a first dye, a second dye, and a third dye, and performing a polymerization process of the precursor solution to form a liquid crystal layer. The first dye, the second dye, and the third dye may reflect lights having different wavelengths from each other.

公开(公告)号：US20180011352A1

公开(公告)日：2018-01-11

申请号：US15540430

申请日：2016-02-05

Applicant: LG Chem, Ltd.

Inventor： Jung Woon Kim ,  Sung Joon Min ,  Jung Sun You ,  Jin Hong Kim ,  Eun Jung Lim ,  Dong Hyun Oh

IPC: G02F1/1334 ,  G02F1/1333 ,  C09K19/54 ,  G02F1/1343

CPC classification number: G02F1/1334 ,  C09K19/544 ,  C09K19/60 ,  C09K2019/546 ,  G02F1/133377 ,  G02F1/1339 ,  G02F1/134309 ,  G02F2001/13345 ,  G02F2202/04

Abstract: The present invention relates to a liquid crystal device, a method of manufacturing the liquid crystal device, and the use of the liquid crystal device. The liquid crystal device according to the present invention has excellent light shielding rate variability characteristics. Such a liquid crystal device can be applied to various optical modulation devices such as a smart window, a window protection film, a flexible display device, an active retarder for displaying a 3D image, or a viewing angle adjustment film.

公开(公告)号：US20170349832A1

公开(公告)日：2017-12-07

申请号：US15536690

申请日：2015-11-25

Applicant: Merck Patent GmbH

Inventor： Michael WITTEK ,  Dagmar KLASS ,  Peer KIRSCH

IPC: C09K19/34 ,  C09K19/12 ,  C08F222/10 ,  C09K19/60 ,  H01Q1/36 ,  H01P1/18 ,  H01Q21/22 ,  C09K19/30

CPC classification number: C09K19/3402 ,  C08F222/1006 ,  C08F2222/102 ,  C09K19/12 ,  C09K19/16 ,  C09K19/18 ,  C09K19/3003 ,  C09K19/60 ,  C09K19/601 ,  C09K2019/0448 ,  C09K2019/123 ,  C09K2019/124 ,  C09K2019/163 ,  C09K2019/165 ,  C09K2019/166 ,  C09K2019/168 ,  C09K2019/183 ,  C09K2019/185 ,  C09K2019/188 ,  C09K2019/3025 ,  C09K2019/3422 ,  C09K2219/11 ,  H01P1/182 ,  H01Q1/36 ,  H01Q21/22

Abstract: The present invention relates to liquid-crystalline media comprising one or more pleochroic dyes 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.