公开(公告)号：US20190382586A1

公开(公告)日：2019-12-19

申请号：US16556765

申请日：2019-08-30

Applicant: FUJIFILM Corporation

Inventor： Takashi KATOU ,  Yasuhiro ISHIWATA

IPC: C09B29/033 ,  C09B31/26 ,  C09B31/22 ,  G02B5/30 ,  G02B5/22 ,  G02F1/1335

Abstract: An object of the invention is to provide a dichroic substance capable of forming a light absorption anisotropic film having excellent light fastness, a composition, a light absorption anisotropic film formed of the composition, a laminate, and an image display device. A composition according to the embodiment of the invention is a composition containing a dichroic substance having an azo group, and the dichroic substance exhibits a highest occupied molecular orbital energy level of −5.60 eV or less and a CLogP value of 7.0 or greater.

公开(公告)号：US20190001619A1

公开(公告)日：2019-01-03

申请号：US16124842

申请日：2018-09-07

Applicant: FUJIFILM Corporation

Inventor： Masatoshi MIZUMURA ,  Takashi KATOU ,  Wataru HOSHINO

IPC: B32B7/02 ,  G02B5/30 ,  G02F1/1335 ,  C09K19/60

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：US20240327556A1

公开(公告)日：2024-10-03

申请号：US18741242

申请日：2024-06-12

Applicant: FUJIFILM Corporation

Inventor： Shinichi MORISHIMA ,  Kouitsu SASAKI ,  Ryoji HIMENO ,  Takafumi NAKAYAMA ,  Naozumi SHIRAIWA ,  Mayumi NOJIRI ,  Takashi KATOU

IPC: C08F222/20 ,  C07C69/753 ,  C07C243/20 ,  C07C255/55 ,  C07D209/12 ,  C07D231/36 ,  C07D233/86 ,  C07D239/62 ,  C07D241/38 ,  C07D277/10 ,  C07D277/82 ,  C07D339/02 ,  C07D339/06 ,  C07D409/14 ,  C07D495/04 ,  C08J5/18 ,  C09K19/38 ,  G02B1/04 ,  G02B5/30

CPC classification number: C08F222/20 ,  C07C69/753 ,  C07C243/20 ,  C07C255/55 ,  C07D209/12 ,  C07D231/36 ,  C07D233/86 ,  C07D239/62 ,  C07D241/38 ,  C07D277/10 ,  C07D277/82 ,  C07D339/02 ,  C07D339/06 ,  C07D409/14 ,  C07D495/04 ,  C08J5/18 ,  C09K19/3861 ,  G02B1/04 ,  C07C2602/08 ,  C08J2335/02 ,  C09K2219/03 ,  G02B5/3025

Abstract: A compound that is suitably used for formation of an optically anisotropic film having excellent reverse wavelength dispersibility and moisture-heat resistance; a polymerizable composition; an optically anisotropic film; an optical film; a polarizing plate; and an image display device. The present invention relates to a compound represented by Formula (I-1) P1-SP1-Ar1-Mes-Ar2-SP2-P2 (I-1).

公开(公告)号：US20230120853A1

公开(公告)日：2023-04-20

申请号：US18060878

申请日：2022-12-01

Applicant: FUJIFILM Corporation

Inventor： Naoya NISHIMURA ,  Takashi KATOU ,  Shuntaro IBUKI

IPC: G02F1/1335 ,  G02B5/00 ,  G02B5/24 ,  G02B5/30 ,  C09K19/60 ,  C09K19/38

Abstract: Provided is an optical film capable of neutralizing both the tint as viewed in a transmittance central axis direction and the tint as viewed in a direction inclined from a transmittance central axis, and an optical laminate and an image display device formed of this optical film. The optical film includes a light absorption anisotropic layer in which an angle θ between a transmittance central axis and a normal direction of a layer surface is in a range of 0° to 45°, and a tint adjusting layer containing at least one organic coloring agent compound

公开(公告)号：US20220119688A1

公开(公告)日：2022-04-21

申请号：US17563632

申请日：2021-12-28

Applicant: FUJIFILM Corporation

Inventor： Naoya SHIBATA ,  Takashi KATOU

IPC: C09J7/38 ,  G02B5/30 ,  C09J133/10 ,  C09J11/06 ,  C09K19/04

Abstract: Provided is a laminate which is suppressed in crystal precipitation in a transparent resin film containing an ultraviolet absorber even in an evaluation of moisture-heat resistance and which has an optically anisotropic layer exhibiting excellent light resistance; a liquid crystal display device; and an organic EL display device. The laminate includes a transparent resin film and an optically anisotropic layer, in which the transparent resin film contains a resin and a resin and a compound represented by Formula (I), the resin is at least one resin selected from the group consisting of a cellulose-based resin, a (meth)acrylic resin, a polyester-based resin, a polyamide-based resin, a polyimide-based resin, and a cycloolefin-based resin, and the optically anisotropic layer is a layer formed of a composition containing a polymerizable liquid crystal compound exhibiting reverse wavelength dispersibility.

公开(公告)号：US20220119687A1

公开(公告)日：2022-04-21

申请号：US17563625

申请日：2021-12-28

Applicant: FUJIFILM Corporation

Inventor： Naoya SHIBATA ,  Takashi KATOU

IPC: C09J7/38 ,  G02B5/30 ,  C09J133/10 ,  C09J11/06 ,  C09K19/04

Abstract: Provided is a laminate which is suppressed in crystal precipitation in a pressure sensitive adhesive layer containing an ultraviolet absorber and which has an optically anisotropic layer exhibiting excellent light resistance; a liquid crystal display device; and an organic EL display device. The laminate includes a pressure sensitive adhesive layer and an optically anisotropic layer, in which the pressure sensitive adhesive layer contains a (meth)acrylic pressure sensitive adhesive and a compound represented by Formula (I), and the optically anisotropic layer is a layer formed of a composition containing a polymerizable liquid crystal compound exhibiting reverse wavelength dispersibility.

公开(公告)号：US20210055604A1

公开(公告)日：2021-02-25

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 ,  G02B5/30

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：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：US20240094452A1

公开(公告)日：2024-03-21

申请号：US18481052

申请日：2023-10-04

Applicant: FUJIFILM Corporation

Inventor： Naoya SHIBATA ,  Takashi KATOU ,  Naoya NISHIMURA ,  Naoki KOITO

IPC: G02B5/30

CPC classification number: G02B5/3016

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：US20230043275A1

公开(公告)日：2023-02-09

申请号：US17940764

申请日：2022-09-08

Applicant: FUJIFILM Corporation

Inventor： Takashi KATOU ,  Takuya INOUE

IPC: C09K19/60 ,  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).