公开(公告)号：US20240353713A1

公开(公告)日：2024-10-24

申请号：US18639258

申请日：2024-04-18

申请人： Meta Platforms Technologies, LLC ,  University of Groningen

发明人： Jasmine Soria Sears ,  Gareth Valentine ,  Ruben Feringa ,  Wesley Richard Browne

IPC分类号： G02F1/1337 ,  C09K19/38 ,  G02F1/137

CPC分类号： G02F1/133711 ,  C09K19/38 ,  G02F1/13718 ,  C09K2323/02

摘要： A display cell of the subject technology includes two electrodes electrically coupled with a voltage supply, two alignment layers formed over surfaces of the two electrodes, and a liquid crystal (LC) material layer embedded between the two alignment layers. The alignment layers includes grooves and molecules of the LC material layer that are enabled to align along the grooves when no voltage is applied to the two electrodes. The two alignment layers include a polymer formed with a combination of an electron-donor monomer and an electron-acceptor monomer.

公开(公告)号：US20240255807A1

公开(公告)日：2024-08-01

申请号：US18175554

申请日：2023-02-28

申请人： GUANGZHOU CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.

发明人： Song LAN

IPC分类号： G02F1/1337 ,  C07D213/73 ,  C07D471/04 ,  C08G69/40

CPC分类号： G02F1/133711 ,  C07D213/73 ,  C07D471/04 ,  C08G69/40

摘要： The disclosure provides an organic compound, a polymer prepared by the organic compound, and a display panel containing the polymer. The organic compound is represented by formula (1) or formula (2). X1, X2, X3, and X4 are each independently selected from —CR2 and N, X1 and X2 are not CR2 at the same time, and X3 and X4 are not CR2 at the same time, R1 is independently selected from a single bond, a substituted or unsubstituted C6-C14 aromatic group, and a substituted or unsubstituted C5-C13 heteroaromatic group, and R2 is independently selected from —H or NH2.

公开(公告)号：US20240176193A1

公开(公告)日：2024-05-30

申请号：US18431141

申请日：2024-02-02

申请人： Japan Display Inc. ,  OSAKA UNIVERSITY

发明人： Koichi IGETA ,  Shinichiro OKA ,  Yasushi TOMIOKA ,  Junji KOBASHI ,  Hiroyuki YOSHIDA

IPC分类号： G02F1/1347 ,  G02F1/01 ,  G02F1/1337 ,  G02F1/137

CPC分类号： G02F1/1347 ,  G02F1/011 ,  G02F1/133711 ,  G02F1/13718 ,  G02F2201/50

摘要： According to one embodiment, a liquid crystal optical element includes an optical waveguide including a first main surface and a second main surface opposed to the first main surface, a first alignment film disposed on the second main surface, a first liquid crystal layer which overlaps the first alignment film, which comprises a first cholesteric liquid crystal, and which reflects at least part of light incident through the optical waveguide toward the optical waveguide, a second alignment film which overlaps the first liquid crystal layer, and a second liquid crystal layer which overlaps the second alignment film, which comprises a second cholesteric liquid crystal, and which reflects at least part of light incident through the optical waveguide toward the optical waveguide.

公开(公告)号：US11966119B2

公开(公告)日：2024-04-23

申请号：US17005313

申请日：2020-08-28

申请人： Samsung Display Co., LTD.

发明人： Hye Lim Jang ,  Young Gu Kim ,  Ji Yun Park ,  Jong Ho Son ,  Jong Min Ok ,  Sun Young Chang ,  Baek Kyun Jeon ,  Kyung Seon Tak

IPC分类号： G02F1/1337 ,  G02B5/30 ,  G02F1/1333 ,  G02F1/1335 ,  G02B1/00

CPC分类号： G02F1/133711 ,  G02B5/30 ,  G02F1/133308 ,  G02F1/133514 ,  G02B1/007

摘要： An optical film for a display device, includes: a first refractive layer having an upper surface and a lower surface including first projections and second projections extending away from the lower surface in a first direction, the second projections having different heights than the first projections, the first projections having lateral sides with different angles of inclination that decrease in the first direction; and a second refractive layer disposed directly on the upper surface of the first refractive layer, the second refractive layer having a refractive index different from that of the first refractive layer.

公开(公告)号：US20240085728A1

公开(公告)日：2024-03-14

申请号：US18244087

申请日：2023-09-08

申请人： Orbotech Ltd.

发明人： Jason S. Reid ,  Karla Gutierrez Cuevas

IPC分类号： G02F1/03 ,  G01N21/17 ,  G02B5/08 ,  G02F1/1337

CPC分类号： G02F1/0311 ,  G01N21/1717 ,  G02B5/0833 ,  G02F1/133711 ,  G01N2021/1721 ,  G02F2201/38 ,  G02F2202/022

摘要： An electro-optic modulator is a liquid-crystal-based electro-optical light modulator. The liquid-crystal-based electro-optical light modulator is fabricated using surface Micro-electromechanical Systems (MEMS) techniques. The electro-optical light modulator is used for inspecting flat panel displays or the like. Utilizing surface MEMS techniques for fabrication considerably thins the electro-optic modulator and allows the use of pure liquid crystal without the need for thick containment plates.

公开(公告)号：US11914248B2

公开(公告)日：2024-02-27

申请号：US17092316

申请日：2020-11-08

申请人： FUJIFILM Corporation

发明人： Yutaka Nozoe ,  Takashi Iizumi ,  Kazushige Nakagawa ,  Takahiro Kato ,  Miho Asahi ,  Hirofumi Omura ,  Yuki Hirai

IPC分类号： G02F1/1337 ,  C08F220/60 ,  C08F220/32 ,  C08F220/36 ,  G02F1/01 ,  C08F220/30 ,  C08F220/58 ,  C08F220/28

CPC分类号： G02F1/133711 ,  C08F220/30 ,  C08F220/32 ,  C08F220/325 ,  C08F220/36 ,  C08F220/365 ,  C08F220/58 ,  C08F220/603 ,  G02F1/0136 ,  G02F1/13378 ,  C08F220/281 ,  C09K2323/02 ,  G02F2202/022 ,  C08F220/603 ,  C08F220/40 ,  C08F220/603 ,  C08F220/281 ,  C08F220/58 ,  C08F220/32 ,  C08F220/32 ,  C08F220/58 ,  C08F220/281 ,  C08F220/603 ,  C08F220/40 ,  C08F220/603

摘要： An object of the invention is to provide a photo-alignment copolymer which makes it possible to produce a photo-alignment film having excellent solvent resistance and liquid crystal aligning properties, and a photo-alignment film and an optical laminate produced using the photo-alignment copolymer. A photo-alignment copolymer of the invention is a photo-alignment copolymer having a repeating unit A including a photo-alignment group represented by Formula (A) and a repeating unit B including a crosslinkable group represented by Formula (B).

公开(公告)号：US20240027836A1

公开(公告)日：2024-01-25

申请号：US18476440

申请日：2023-09-28

申请人： TOPPAN Inc.

发明人： Taisuke ENYA

IPC分类号： G02F1/1337 ,  C09K19/38 ,  C09K19/02 ,  G02F1/00

CPC分类号： G02F1/133711 ,  C09K19/3838 ,  C09K19/02 ,  G02F1/0063 ,  C09K2219/03

摘要： A light control layer contains a liquid crystal composition and a resin composition. The liquid crystal composition is composed of a liquid crystal compound having a nematic-isotropic phase transition temperature of 110° C. or greater and 140° C. or less, the resin composition contains an acrylic polymer, a bridging group of the acrylic polymer is a saturated alkyl group having 1 or more and 12 or fewer carbon atoms, and the resin composition contains, in the acrylic polymer, a moiety in which the saturated alkyl group is a linear alkyl group, whereby a light control device operates normally over a wider temperature range.

公开(公告)号：US11860338B2

公开(公告)日：2024-01-02

申请号：US17670921

申请日：2022-02-14

申请人： FUJIFILM Corporation

发明人： Akira Maruyama ,  Keisuke Kodama ,  Tetsuro Otsuka ,  Hiroyuki Hagio ,  Yuta Takahashi ,  Shinpei Yoshida ,  Satoshi Yanokuchi

IPC分类号： G02B1/11 ,  G02F1/137 ,  C09K19/04 ,  G02F1/1337 ,  H01J49/40

CPC分类号： G02B1/11 ,  C09K19/04 ,  G02F1/13706 ,  G02F1/13712 ,  G02F1/133711 ,  H01J49/40 ,  C09K2019/0448 ,  G02F2202/022

摘要： Provided is an optical film with a resin substrate adhered to an optically anisotropic layer and suppression of occurrence of optical defects in the optically anisotropic layer. The optical film has a resin substrate having an alignment regulating force and an optically anisotropic layer arranged thereon, in which the optically anisotropic layer contains a liquid crystal compound and a compound having a heteroatom different from the liquid crystal compound, and in a case where a surface of the optical film on an optically anisotropic layer side thereof is a first surface and a surface of the optical film on a resin substrate side thereof is a second surface, and components of the optical film in a depth direction are analyzed by time-of-flight secondary ion mass spectrometry while irradiating the optical film with an ion beam from the first surface toward the second surface, the obtained profile satisfies a predetermined requirement.

公开(公告)号：US11781071B2

公开(公告)日：2023-10-10

申请号：US17043956

申请日：2019-11-11

申请人： LG CHEM, LTD.

发明人： Kichul Koo ,  Seongku Kim ,  Minju Kim

IPC分类号： C09K19/56 ,  C07D413/06 ,  C07D413/14 ,  C07F7/18 ,  C09D5/00 ,  C09D179/08 ,  G02F1/1337 ,  C07F7/08

CPC分类号： C09K19/56 ,  C07D413/06 ,  C07D413/14 ,  C07F7/0816 ,  C07F7/1804 ,  C09D5/00 ,  C09D179/08 ,  G02F1/133711

摘要： The present invention relates to a cross-linking agent compound of which end functional group is substituted with a protection group of a specific structure, a liquid crystal alignment composition comprising the cross-linking agent compound and polymer containing repeat units of polyimide or a precursor thereof, a method of preparing liquid crystal alignment film, a liquid crystal alignment film, and a liquid crystal display using the same.

公开(公告)号：US11740512B2

公开(公告)日：2023-08-29

申请号：US17942889

申请日：2022-09-12

申请人： FUJIFILM Corporation

发明人： Hideyuki Nishikawa

IPC分类号： G02F1/1337 ,  B32B37/00 ,  B32B38/10 ,  C09K19/04 ,  B32B43/00

CPC分类号： G02F1/133711 ,  B32B37/025 ,  B32B38/10 ,  C09K19/0403 ,  B32B43/006 ,  B32B2307/40 ,  C09K2019/0407 ,  C09K2323/02 ,  Y10T156/1994

摘要： An object is to provide a method of manufacturing a liquid crystal layer in which an alignment film is repeatedly used and a liquid crystal compound in a liquid crystal layer can be sufficiently aligned. The method of manufacturing a liquid crystal layer includes: an alignment film forming step of forming an alignment film on a support; a liquid crystal alignment film alignment step of laminating a first liquid crystal composition including a polymerizable liquid crystal compound on the alignment film and aligning the first liquid crystal composition; a liquid crystal alignment layer forming step of polymerizing the aligned first liquid crystal composition to form a liquid crystal alignment layer; a peeling step of laminating and immobilizing a surface of the liquid crystal alignment layer opposite to the alignment film on an adherend and peeling the liquid crystal alignment layer from the alignment film at an interface between the liquid crystal alignment layer and the alignment film; a liquid crystal layer alignment step of laminating a second liquid crystal composition including a polymerizable liquid crystal compound on a surface of the liquid crystal alignment layer from which the alignment film is peeled off and aligning the second liquid crystal composition; a liquid crystal layer forming step of polymerizing the aligned second liquid crystal composition to form a liquid crystal layer; and a liquid crystal layer separation step of separating the formed liquid crystal layer from the liquid crystal alignment layer, in which the liquid crystal layer alignment step to the liquid crystal layer separation step are repeated to repeatedly prepare the liquid crystal layer.