公开(公告)号：US12204200B2

公开(公告)日：2025-01-21

申请号：US18421734

申请日：2024-01-24

Applicant: FUJIFILM Corporation

Inventor： Wataru Hoshino ,  Yoshiaki Takada ,  Yuzo Fujiki ,  Kengo Saito ,  Yasuhiro Ishiwata ,  Takashi Katou ,  Keisuke Ushirogata

IPC: G02F1/1335 ,  C09K19/04 ,  G02B1/08 ,  G02B5/30

Abstract: A polarizer with a high degree of alignment and an image display device including the polarizer. The polarizer is formed of a polarizer-forming composition containing a liquid crystal compound, a first dichroic material, and a second dichroic material, in which the polarizer has an array structure formed of the first dichroic material and the second dichroic material.

公开(公告)号：US11921369B2

公开(公告)日：2024-03-05

申请号：US17028153

申请日：2020-09-22

Applicant: FUJIFILM Corporation

Inventor： Wataru Hoshino ,  Yoshiaki Takada ,  Yuzo Fujiki ,  Kengo Saito ,  Yasuhiro Ishiwata ,  Takashi Katou ,  Keisuke Ushirogata

IPC: G02F1/1335 ,  C09K19/04 ,  G02B1/08 ,  G02B5/30

CPC classification number: G02F1/133528 ,  C09K19/04 ,  C09K19/0403 ,  G02B1/08 ,  C09K2019/0444 ,  C09K2323/031 ,  G02B5/3016

Abstract: An object of the present invention is to provide a polarizer having a high degree of alignment and an image display device including the polarizer. A polarizer of the present invention is a polarizer formed of a polarizer-forming composition containing a liquid crystal compound, a first dichroic material, and a second dichroic material, in which the polarizer has an array structure formed of the first dichroic material and the second dichroic material.

公开(公告)号：US12164131B2

公开(公告)日：2024-12-10

申请号：US18481052

申请日：2023-10-04

Applicant: FUJIFILM Corporation

Inventor： Naoya Shibata ,  Takashi Katou ,  Naoya Nishimura ,  Naoki Koito

IPC: G02F1/1335 ,  G02B5/30

Abstract: A light absorption anisotropic layer in which, when combined with a λ/4 plate to form a circularly polarizing plate, applying the circularly polarizing plate to a display device, and displaying a display screen in black, coloration is suppressed and utilization efficiency of infrared light is high, a laminate including the light absorption anisotropic layer, a display device, an infrared light irradiation device, and an infrared light sensing device. The light absorption anisotropic layer contains an organic dichroic coloring agent, and satisfies expressions (1) to (4). (1) P(450)>99%, (2) P(550)>99%, (3) P(650)>99%, and (4) A(750)

公开(公告)号：US11958959B2

公开(公告)日：2024-04-16

申请号：US17174356

申请日：2021-02-12

Applicant: FUJIFILM CORPORATION

Inventor： Takashi Katou ,  Daisuke Sasaki

IPC: C08K5/45 ,  C08K5/3475 ,  C08K5/41 ,  G02B1/04 ,  G02B5/20

CPC classification number: C08K5/45 ,  C08K5/3475 ,  C08K5/41 ,  G02B1/041 ,  G02B5/208

Abstract: A lens for spectacles and spectacles a resin and a near-infrared absorbing agent having a maximum absorption wavelength in a thiourethane resin in a range of more than 700 nm and 1000 nm or less and a transmittance of light at 400 nm of 50% or more and 100% or less.

公开(公告)号：US11542385B2

公开(公告)日：2023-01-03

申请号：US17064585

申请日：2020-10-06

Applicant: FUJIFILM Corporation

Inventor： Takashi Katou

IPC: C08K5/3445 ,  C08K5/07 ,  C08K5/315 ,  C08K5/3462 ,  G02B1/04 ,  G02C7/10 ,  C08L63/00 ,  C08L69/00 ,  C08L75/04

Abstract: Provided are a lens for spectacles containing a resin and a coloring agent having a maximum absorption wavelength in a methanol solution in a range of 400 nm to 500 nm and a half-width of an absorption peak in a methanol solution of 10 nm or more and less than 40 nm, and spectacles.

公开(公告)号：US12065605B2

公开(公告)日：2024-08-20

申请号：US17684988

申请日：2022-03-02

Applicant: FUJIFILM Corporation

Inventor： Takashi Katou ,  Yoshiaki Takada ,  Keigo Shiga ,  Kengo Saito

IPC: G02F1/1333 ,  C09K19/24 ,  C09K19/38 ,  C09K19/60

CPC classification number: C09K19/24 ,  C09K19/3852 ,  C09K19/601 ,  C09K2219/03

Abstract: Provided is a liquid crystal composition capable of forming a light absorption anisotropic film with excellent light resistance, a dichroic material, a light absorption anisotropic film, a laminate, and an image display device. The liquid crystal composition contains a liquid crystal compound and a dichroic material having a structure represented by Formula (1).

公开(公告)号：US10946615B2

公开(公告)日：2021-03-16

申请号：US16124842

申请日：2018-09-07

Applicant: FUJIFILM Corporation

Inventor： Masatoshi Mizumura ,  Takashi Katou ,  Wataru Hoshino

IPC: G02F1/1333 ,  B32B7/02 ,  C09K19/60 ,  G02B5/30 ,  C09B35/037 ,  C09K19/34 ,  C09K19/04 ,  G02F1/1335

Abstract: An object of the invention is to provide a coloring composition which can form a light absorption anisotropic film having an excellent dichroic ratio, a dichroic dye compound, a light absorption anisotropic film, a laminate, and an image display device. A coloring composition according to the invention contains a dichroic dye compound which has a Hansen solubility parameter of 17.5 or greater and has a structure represented by Formula (1), and a liquid crystalline compound. L1-A1-N═N-A2-N═N-A3-L2  (1) in Formula (1), A1, A2, and A3 each independently represent a divalent aromatic group which may have a substituent. Any one of A1, A2, and A3 represents a divalent thienothiazole group which may have a substituent. In Formula (1), L1 and L2 each independently represent a substituent.

公开(公告)号：US12173188B2

公开(公告)日：2024-12-24

申请号：US17522943

申请日：2021-11-10

Applicant: FUJIFILM CORPORATION

Inventor： Takashi Katou

IPC: C09D5/32 ,  C07D339/06 ,  C07D409/04 ,  C09D7/63 ,  G02B5/20 ,  C08K5/45

Abstract: Provided are an ultraviolet absorbing agent represented by General Formula (1) and an application thereof. In General Formula (1), R11 represents a monovalent substituent. n is 1 or 2. W1 and W2 each independently represent a hydrogen atom, a cyano group, a carbamoyl group, a sulfamoyl group, a nitro group, an acyl group, an alkylsulfonyl group, an arylsulfonyl group, an alkylsulfinyl group, an arylsulfinyl group, an alkoxycarbonyl group, an aryloxycarbonyl group, an alkyl group, an aryl group, or a heterocyclic group, where at least one of W1 or W2 represents a substituent having a Hammett's substituent constant σp value of 0.2 or more. W1 and W2 may be bonded to each other to form a ring.

公开(公告)号：US12163083B2

公开(公告)日：2024-12-10

申请号：US17940764

申请日：2022-09-08

Applicant: FUJIFILM Corporation

Inventor： Takashi Katou ,  Takuya Inoue

IPC: C09K19/60 ,  C09K19/34 ,  C09K19/38 ,  G02B5/30

Abstract: Provided is a liquid crystal composition that is capable of forming a light absorption anisotropic film having a high degree of alignment, excellent moisture-heat resistance, and excellent alignment uniformity, a light absorption anisotropic film, a laminate, and an image display device. The liquid crystal composition includes a liquid crystal compound, a first dichroic substance having a structure represented by Formula (1), and a second dichroic substance having a structure represented by Formula (2).

公开(公告)号：US11768324B2

公开(公告)日：2023-09-26

申请号：US17848105

申请日：2022-06-23

Applicant: FUJIFILM Corporation

Inventor： Fumitake Mitobe ,  Naoya Nishimura ,  Takashi Katou ,  Naoya Shibata

IPC: G02B5/30 ,  F21V8/00

CPC classification number: G02B5/3016 ,  G02B6/0056 ,  G02B6/0076

Abstract: Provided is a light absorption anisotropic layer including a dichroic substance, in which a transmittance as viewed from a front direction is high and a transmittance as viewed from an oblique direction can be lowered, a laminate, an optical film, an image display device, and a backlight module. The light absorption anisotropic layer includes a liquid crystalline compound and at least one dichroic substance, in which the dichroic substance is aligned perpendicular to the film surface, and an alignment degree of the light absorption anisotropic layer at a wavelength of 550 nm is 0.95 or more.