公开(公告)号：US20240094454A1

公开(公告)日：2024-03-21

申请号：US18472084

申请日：2023-09-21

Applicant: SAMSUNG SDI CO., LTD.

Inventor： Seong Hoon Lee ,  Young Oh ,  Jeong Ho Lee ,  Young Hyun Ju

IPC: G02B5/30 ,  G02B1/14 ,  G02F1/1335

CPC classification number: G02B5/305 ,  G02B1/14 ,  G02B5/3083 ,  G02F1/133528 ,  C09K2323/03 ,  C09K2323/035 ,  G02F1/133507

Abstract: A polarizing plate includes: a polarizer; a pattern layer on one surface of the polarizer, the pattern layer including a first refractive index layer having at least one engraved pattern and a second refractive index layer having a filling pattern filling at least a portion of the engraved pattern, the first refractive index layer having a higher refractive index than the second refractive index layer; and a first protective layer. The polarizing plate has a structure in which the polarizer, the second refractive index layer, the first refractive index layer and the first protective layer are sequentially stacked in that order, or in which the polarizer, the first protective layer, the second refractive index layer and the first refractive index layer are sequentially stacked in that order. The first protective layer includes a base film including at least one resin of triacetylcellulose, polyethylene terephthalate, cyclic olefin polymer, and acrylic resins.

公开(公告)号：US11796717B2

公开(公告)日：2023-10-24

申请号：US17044614

申请日：2019-03-28

Applicant: FUKUVI CHEMICAL INDUSTRY CO., LTD.

Inventor： Masahiro Saito ,  Daisuke Hayashi ,  Yu Arai

IPC: G02B1/111 ,  G02B1/14 ,  B32B27/30 ,  B32B27/36 ,  B32B27/08 ,  G02B1/18

CPC classification number: G02B1/111 ,  B32B27/08 ,  B32B27/308 ,  B32B27/365 ,  G02B1/14 ,  B32B2255/10 ,  B32B2255/26 ,  B32B2307/40 ,  B32B2307/418 ,  B32B2457/20 ,  B32B2457/202 ,  B32B2457/204 ,  B32B2457/208 ,  C09K2323/03 ,  C09K2323/033 ,  C09K2323/035 ,  G02B1/18

Abstract: An antireflection plate has a structure in which a hard coat layer, an antireflective layer having a low refractive index layer, a protective layer, and an overcoat layer are laminated in this order on a transparent resin substrate. The low refractive index layer is a cured body of a curable composition containing 50 to 200 parts by mass of (B-2) hollow silica fine particles, and the low refractive index layer has a refractive index of 1.20 to 1.45. The protective layer is a cured body of a curable composition containing 7.5 to 35 parts by mass of (B-3) spherical silica fine particles, and the protective layer has a thickness of 10 to 15 nm and a refractive index of 1.45 to 1.50. The overcoat layer includes a polymer of a fluorine-containing silicon compound.

公开(公告)号：US11643477B2

公开(公告)日：2023-05-09

申请号：US17302463

申请日：2021-05-04

Applicant: Eastman Chemical Company

Inventor： Matthew Allen Boone ,  Christopher Harlan Burk ,  Peter Borden Mackenzie ,  Jennifer A. Fish ,  Eduardo Gallas Cervo ,  Elaine Beatrice Mackenzie ,  Robert Joseph Maleski ,  Wesley Wayne McConnell ,  David William Norman ,  Tabatha Stearns ,  Bin Wang

IPC: C08B3/16 ,  B32B27/24 ,  B32B27/08 ,  B32B27/36 ,  B32B7/12 ,  B32B27/28 ,  C08L1/14 ,  B32B23/08 ,  B32B27/32 ,  B32B27/18 ,  G02B5/30 ,  B32B27/22 ,  B32B27/06 ,  G02F1/13363 ,  H01L51/52 ,  C08L1/08 ,  C08L1/10

CPC classification number: C08B3/16 ,  B32B7/12 ,  B32B23/08 ,  B32B27/06 ,  B32B27/08 ,  B32B27/18 ,  B32B27/22 ,  B32B27/24 ,  B32B27/281 ,  B32B27/325 ,  B32B27/36 ,  B32B27/365 ,  C08L1/14 ,  G02B5/305 ,  G02B5/3033 ,  G02B5/3083 ,  G02F1/13363 ,  H01L51/5259 ,  H01L51/5281 ,  B32B2307/40 ,  B32B2307/516 ,  B32B2307/518 ,  B32B2307/546 ,  B32B2307/732 ,  B32B2309/105 ,  B32B2457/202 ,  B32B2457/206 ,  C08L1/08 ,  C08L1/10 ,  C09K2323/03 ,  C09K2323/035 ,  G02F1/133638 ,  G02F2413/13

Abstract: Regioselectively substituted cellulose esters having a plurality of pivaloyl substituents and a plurality of aryl-acyl substituents are disclosed along with methods for making the same. Such cellulose esters may be suitable for use in films, such as +A optical films, and/or +C optical films. Optical films prepared employing such cellulose esters have a variety of commercial applications, such as, for example, as compensation films in liquid crystal displays and/or waveplates in creating circular polarized light used in 3-D technology.

公开(公告)号：US12006376B2

公开(公告)日：2024-06-11

申请号：US18190415

申请日：2023-03-27

Applicant: Eastman Chemical Company

Inventor： Matthew Allen Boone ,  Christopher Harlan Burk ,  Peter Borden Mackenzie ,  Jennifer A. Fish ,  Eduardo Gallas Cervo ,  Elaine Beatrice Mackenzie ,  Robert Joseph Maleski ,  Wesley Wayne McConnell ,  David William Norman ,  Tabatha Stearns ,  Bin Wang

IPC: C08B3/16 ,  B32B7/12 ,  B32B23/08 ,  B32B27/06 ,  B32B27/08 ,  B32B27/18 ,  B32B27/22 ,  B32B27/24 ,  B32B27/28 ,  B32B27/32 ,  B32B27/36 ,  C08L1/14 ,  G02B5/30 ,  G02F1/13363 ,  H10K50/84 ,  H10K50/86 ,  C08L1/08 ,  C08L1/10

CPC classification number: C08B3/16 ,  B32B7/12 ,  B32B23/08 ,  B32B27/06 ,  B32B27/08 ,  B32B27/18 ,  B32B27/22 ,  B32B27/24 ,  B32B27/281 ,  B32B27/325 ,  B32B27/36 ,  B32B27/365 ,  C08L1/14 ,  G02B5/3033 ,  G02B5/305 ,  G02B5/3083 ,  G02F1/13363 ,  H10K50/846 ,  H10K50/86 ,  B32B2307/40 ,  B32B2307/516 ,  B32B2307/518 ,  B32B2307/546 ,  B32B2307/732 ,  B32B2309/105 ,  B32B2457/202 ,  B32B2457/206 ,  C08L1/08 ,  C08L1/10 ,  C09K2323/03 ,  C09K2323/035 ,  G02F1/133638 ,  G02F2413/13

Abstract: Regioselectively substituted cellulose esters having a plurality of pivaloyl substituents and a plurality of aryl-acyl substituents are disclosed along with methods for making the same. Such cellulose esters may be suitable for use in films, such as +A optical films, and/or +C optical films. Optical films prepared employing such cellulose esters have a variety of commercial applications, such as, for example, as compensation films in liquid crystal displays and/or waveplates in creating circular polarized light used in 3-D technology.

公开(公告)号：US11740506B2

公开(公告)日：2023-08-29

申请号：US16902590

申请日：2020-06-16

Applicant: FUJIFILM Corporation

Inventor： Akiko Watano ,  Tatsuya Oba ,  Hirofumi Toyama ,  Takashi Yonemoto

IPC: H01L33/50 ,  G02F1/13357 ,  G02F1/1335

CPC classification number: G02F1/133603 ,  H01L33/504 ,  C09K2323/035 ,  G02F1/133507 ,  G02F1/133602 ,  G02F1/133605 ,  G02F1/133614

Abstract: A wavelength conversion member suppresses peeling at an edge at cutting; and is used with a backlight unit and a liquid crystal display device. The wavelength conversion member includes a first substrate, a wavelength conversion layer, and a second substrate, in which each of the first and second substrates includes a support, a barrier layer, and an organic layer, where each of the barrier layers contains at least aluminum and phosphorus, each of the organic layers is formed of a composition containing a polymer A having a glass transition temperature of 50° C. or lower and a polymer B having an acryloyl or methacryloyl group in a molecule thereof, and the wavelength conversion layer is a layer in which at least one selected from the group consisting of a quantum dot, a phosphor particle, and a phosphor coloring agent is dispersed in a matrix made of an acrylic resin.

公开(公告)号：US11675233B2

公开(公告)日：2023-06-13

申请号：US16498274

申请日：2018-03-22

Applicant: SHARP KABUSHIKI KAISHA

Inventor： Masanobu Mizusaki ,  Yuichi Kawahira

IPC: G02F1/13363 ,  G02F1/1337 ,  C09K19/56 ,  C08F22/26 ,  C08F22/38

CPC classification number: G02F1/13363 ,  C08F22/26 ,  C08F22/38 ,  C08F22/385 ,  C09K19/56 ,  G02F1/133723 ,  G02F1/133788 ,  B32B2457/202 ,  C09K2323/02 ,  C09K2323/035 ,  G02F1/133638 ,  G02F1/133715

Abstract: The present, invention provides a liquid crystal display device that can exhibit excellent retardation stability against heat and that can prevent reduction in contrast ratio due to scattering even when the liquid crystal display device includes a retardation layer formed by polymerization of a reactive monomer, and a method for producing a liquid crystal display device suitable for production of the liquid crystal display device. The liquid crystal display device of the present invention includes paired substrates and a liquid crystal layer provided between the paired substrates. At least one of the paired substrates includes a retardation layer formed from a polymer of at least one type of monomer. The at least one type of monomer includes a photo-aligning monomer that is to be aligned by polarized light.

公开(公告)号：US11822180B2

公开(公告)日：2023-11-21

申请号：US17897934

申请日：2022-08-29

Applicant: FUJIFILM Corporation

Inventor： Hiroshi Matsuyama ,  Wataru Hoshino ,  Teruki Niori

IPC: G02F1/1335 ,  C09K19/38 ,  G02F1/1333 ,  G02B5/30 ,  G02F1/1339

CPC classification number: G02F1/133528 ,  C09K19/3852 ,  G02B5/3016 ,  G02F1/133365 ,  C09K2323/031 ,  C09K2323/035 ,  G02F1/13398

Abstract: Provided is a polarizer having a high degree of alignment and an image display device including the polarizer. The polarizer is formed of a polarizer-forming composition containing a polymer liquid crystal compound and a dichroic material, in which the polymer liquid crystal compound is a thermotropic liquid crystal and a crystalline polymer, and the polymer liquid crystal compound and the dichroic material are horizontally aligned.

公开(公告)号：US11753568B2

公开(公告)日：2023-09-12

申请号：US17681994

申请日：2022-02-28

Applicant: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTE

Inventor： Ming-Tzung Wu ,  Te-Yi Chang ,  Yao-Jheng Huang ,  Yu-Chin Lin ,  Chen-Cheng Yu ,  Yu-Ying Hsu ,  Shuang-Huei Chen

IPC: C09J133/08 ,  G02F1/1335 ,  C08F292/00 ,  C08K3/36 ,  C08K3/08 ,  B32B43/00

CPC classification number: C09J133/08 ,  B32B43/006 ,  C08F292/00 ,  C08K3/08 ,  C08K3/36 ,  G02F1/133514 ,  C08K2003/0831 ,  C08K2201/011 ,  C09J2203/318 ,  C09K2323/035 ,  G02F2202/28

Abstract: An adhesive composition includes 0.1 to 1 part by weight of nano panicles, 50 to 95 parts by weight of acrylate resin, and 5 to 50 parts by weight of a monomer or oligomer of acrylate or acrylic acid containing multi-functional groups, and the acrylate resin and the monomer or oligomer of acrylate or acrylic acid containing multi-functional groups have a total weight of 100 parts by weight, in which the acrylate resin has a weight average molecular weight of 100,000 to 1,500,000. The nano particle has a shell covering parts of the surface of the core, and acrylate groups grafted to the surface of the core.

公开(公告)号：US11702596B2

公开(公告)日：2023-07-18

申请号：US16992657

申请日：2020-08-13

Applicant: FUJIFILM Corporation

Inventor： Daisuke Hayashi ,  Hiroshi Matsuyama ,  Keita Takahashi ,  Keisuke Yoshimasa ,  Nobuyuki Akutagawa

IPC: C09K19/38 ,  C08F222/24 ,  G02B5/30 ,  C09K19/04 ,  G02F1/13363 ,  H10K50/86

CPC classification number: C09K19/3861 ,  C08F222/24 ,  G02B5/3016 ,  C09K2019/0448 ,  C09K2323/03 ,  C09K2323/031 ,  C09K2323/035 ,  G02F1/13363 ,  H10K50/86

Abstract: Provided is a polymerizable liquid crystal composition used for formation of an optically anisotropic film having excellent durability, an optically anisotropic film, an optical film, a polarizing plate, and an image display device. The polymerizable liquid crystal composition contains a polymerizable liquid crystal compound represented by Formula (1) and an acidic compound, in which a pKa of the acidic compound is more than −10 and 5 or less, and a content of the acidic compound is 20 parts by mass or less with respect to 100 parts by mass of the polymerizable liquid crystal compound.

公开(公告)号：US11686977B2

公开(公告)日：2023-06-27

申请号：US16764661

申请日：2018-11-16

Applicant: Samsung SDI Co., Ltd.

Inventor： Sang Hum Lee ,  Kyung Il Sul ,  Jung Hun You

IPC: G02F1/13363 ,  C08J5/18 ,  G02F1/1335 ,  G02F1/1343

CPC classification number: G02F1/133634 ,  C08J5/18 ,  G02F1/13363 ,  G02F1/133528 ,  C08J2301/08 ,  C08J2333/08 ,  C09K2323/03 ,  C09K2323/035 ,  G02F1/133637 ,  G02F1/134363

Abstract: Disclosed herein are a retardation film for IPS mode, a polarizing plate including the same, and a liquid crystal display including the same. The retardation film for IPS mode has an out-of-plane retardation at a wavelength of 450 nm (Rth (450) of about −80 nm to 0 nm, an out-of-plane retardation at a wavelength of 550 nm (Rth (550) of about −60 nm to 10 nm, an out-of-plane retardation at a wavelength of 650 nm (Rth (650) of about −60 nm to 10 nm, and an in-plane retardation (Re) at a wavelength of 550 nm of about 0 nm to 10 nm.