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公开(公告)号：US20230088847A1
公开(公告)日：2023-03-23
申请号：US17889380
申请日：2022-08-16
Applicant: FUJIFILM Corporation
Inventor： Kunihiro ATSUMI , Kazushige NAKAGAWA , Yutaka NOZOE , Takashi IIZUMI , Soichiro WATANABE
IPC: G02F1/13363 , G02F1/1335 , G02F1/1337 , C09K19/56 , B32B27/08
Abstract: An object of the present invention is to provide an optical laminate in which an optically anisotropic layer provided as an upper layer has good liquid crystal alignment properties, and a polarizing plate and an image display device using the optical laminate. An optical laminate of the present invention is an optical laminate including: a first optically anisotropic layer; and a second optically anisotropic layer, in which the first and second optically anisotropic layers are directly laminated, each of the first and second optically anisotropic layers consists of a liquid crystal layer, and a photo-alignment polymer having a photo-alignment group and at least one type of polar group selected from the group consisting of a hydroxyl group and a ketone group is present in a surface of the second optically anisotropic layer on a side in contact with the first optically anisotropic layer.
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公开(公告)号：US20230138456A1
公开(公告)日：2023-05-04
申请号：US18147003
申请日：2022-12-28
Applicant: FUJIFILM Corporation
Inventor： Takashi IIZUMI , Soichiro WATANABE , Yutaka NOZOE , Kazushige NAKAGAWA , Kunihiro ATSUMI
Abstract: An object of the present invention is to provide a binder composition in which air unevenness is suppressed and which has excellent upper layer coating properties after being formed as a layer, a compound, a binder layer, an optical laminate, an optical laminate manufacturing method, and an image display device. The binder composition of the present invention is a binder composition containing a binder and a compound having a group represented by Formula (B1) or (B2). In Formulae (B1) and (B2), Z represents an aliphatic hydrocarbon group having a fluorine atom or an organosiloxane group.
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公开(公告)号：US20220381953A1
公开(公告)日：2022-12-01
申请号：US17878873
申请日：2022-08-01
Applicant: FUJIFILM Corporation
Inventor： Kazushige NAKAGAWA , Hideyuki NISHIKAWA , Masato NAKAO , Shunya KATOH , Hiroyuki HAGIO , Yutaka NOZOE , Kunihiro KASEZAWA , Yuki NAKAMURA
Abstract: The present invention provides an optical film having a liquid crystal layer having excellent durability, and a liquid crystal film. The optical film of the present invention has an organic base material and a liquid crystal layer disposed on the organic base material, the liquid crystal layer contains a photo-alignment compound, and in the liquid crystal layer, the photo-alignment compound is unevenly distributed on a side of the organic base material.
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Patent Agency Ranking
公开(公告)号：US20230228928A1
公开(公告)日：2023-07-20
申请号：US18186957
申请日：2023-03-21
Applicant: FUJIFILM Corporation
Inventor： Kazushige NAKAGAWA , Miho ASAHI , Daiki WAKIZAKA
IPC: G02B5/30 , C09K19/54 , C08F220/28 , C08F220/40 , C08F220/24
CPC classification number: G02B5/3016 , C09K19/542 , C08F220/283 , C08F220/40 , C08F220/24 , G02F1/133528
Abstract: An object of the present invention is to provide an optical laminate in which optically anisotropic layers exhibiting reverse wavelength dispersibility have excellent moisture-heat resistance, and the adhesiveness between a first optically anisotropic layer and a second optically anisotropic layer is excellent; and a polarizing plate and an image display device, each using the optical laminate. The optical laminate according to an embodiment of the present invention is an optical laminate having a first optically anisotropic layer and a second optically anisotropic layer, in which both of the first optically anisotropic layer and the second optically anisotropic layer are directly laminated and consist of a liquid crystal layer, at least one of the first optically anisotropic layer or the second optically anisotropic layer exhibits reverse wavelength dispersibility, a photo-alignment polymer having a photo-alignment group and a fluorine atom or a silicon atom is present on a surface of the second optically anisotropic layer on a side in contact with the first optically anisotropic layer, and an element ratio of fluorine or silicon on the surface of the second optically anisotropic layer on the side in contact with the first optically anisotropic layer is 0.05% to 15.00% by atom.
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公开(公告)号：US20210063825A1
公开(公告)日：2021-03-04
申请号：US17092316
申请日：2020-11-08
Applicant: FUJIFILM Corporation
Inventor： Yutaka NOZOE , Takashi IIZUMI , Kazushige NAKAGAWA , Takahiro KATO , Miho ASAHI , Hirofumi OMURA , Yuki HIRAI
IPC: G02F1/1337 , G02F1/01 , C08F220/60 , C08F220/36 , C08F220/32
Abstract: 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).
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公开(公告)号：US20210292456A1
公开(公告)日：2021-09-23
申请号：US17331647
申请日：2021-05-27
Applicant: FUJIFILM Corporation
Inventor： Yutaka NOZOE , Takashi IIZUMI , Soichiro WATANABE , Hideyuki NISHIKAWA , Kazushige NAKAGAWA , Kunihiro ATSUMI
IPC: C08F220/30 , C08F220/32 , C08F265/06 , G02B5/30
Abstract: An object of the invention is to provide a photo-alignment copolymer capable of improving upper layer coatability after layer formation, a binder composition, a binder layer, an optical laminate, and an image display device. A photo-alignment copolymer according to the embodiment of the invention has a repeating unit A including a photo-alignment group, a repeating unit B including a crosslinkable group which causes a crosslinking reaction by the action of at least one selected from the group consisting of light, heat, an acid, and a base, and a repeating unit C including a cleaving group which decomposes by the action of at least one selected from the group consisting of light, heat, an acid, and a base to produce a polar group, and the repeating unit C has the cleaving group on a side chain, and has a group of atoms which is provided on a side closer to a terminal than the cleaving group on the side chain to be able to unevenly distribute the photo-alignment copolymer on an air interface side.
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公开(公告)号：US20200079885A1
公开(公告)日：2020-03-12
申请号：US16682947
申请日：2019-11-13
Applicant: FUJIFILM Corporation
Inventor： Akio TAMURA , Reiko INUSHIMA , Takashi IIZUMI , Yutaka NOZOE , Hideyuki NISHIKAWA , Kazushige NAKAGAWA , Kunihiro ATSUMI
Abstract: An object of the present invention is to provide a photo-alignable polymer which has excellent coating properties, is capable of suppressing film thickness unevenness, and has excellent upper layer coating properties and good liquid crystal alignment properties after being formed as a layer; a binder composition; a binder layer; an optical laminate; a method for producing an optical laminate; and an image display device. The photo-alignable polymer of an embodiment of the present invention is a photo-alignable polymer having a repeating unit A including a cleavage group capable of decomposing by an action of at least one selected from the group consisting of light, heat, an acid, and a base to generate a polar group, in which the repeating unit A has the cleavage group in a side chain, has a fluorine atom or a silicon atom on a side closer to a terminal than the cleavage group in the side chain, and the photo-alignable polymer satisfies Condition 1 or Condition 2 shown below.Condition 1: The photo-alignable polymer further has a repeating unit B including a photo-alignable group, in addition to the repeating unit A.Condition 2: The repeating unit A includes a photo-alignable group on a side closer to the main chain than the cleavage group in the side chain.
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8.发明申请OPTICAL FILM, POLARIZING PLATE USING OPTICAL FILM, AND IMAGE DISPLAY DEVICE 审中-公开光学薄膜，使用光学薄膜的偏光板和图像显示装置公开(公告)号：US20160291205A1
公开(公告)日：2016-10-06
申请号：US15083889
申请日：2016-03-29
Applicant: FUJIFILM Corporation
Inventor： Shusuke ARITA , Shinya WATANABE , Kazushige NAKAGAWA
IPC: G02B1/04 , G02B1/14 , G02B5/30 , G02F1/1335
Abstract: There is provided an optical film including: a Layer A containing a cyclic olefin-based resin; and a Layer B disposed on at least one surface of the Layer A and containing a cyclic olefin-based resin, wherein the Layer B contains a rubber elastomer having a carbon-carbon double bond that forms no aromatic ring in an amount of 2.5 mass % or more based on a total mass of the Layer B, and a thickness of the Layer B is less than 10 μm.
Abstract translation: 提供一种光学膜，包括：含有环状烯烃类树脂的层A; 以及设置在层A的至少一个表面上并且含有环状烯烃类树脂的层B，其中，层B含有不含芳族环的碳 - 碳双键的橡胶弹性体，其量为2.5质量％ 以上，基于B层的总质量，B层的厚度小于10μm。
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