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    METHOD OF MANUFACTURING OPTICAL ELEMENT AND OPTICAL ELEMENT
    11.
    发明申请
    METHOD OF MANUFACTURING OPTICAL ELEMENT AND OPTICAL ELEMENT 有权

    公开(公告)号：US20210149255A1

    公开(公告)日：2021-05-20

    申请号：US17158423

    申请日：2021-01-26

    Applicant: FUJIFILM Corporation

    Inventor： Hiroshi SATO ,  Yukito SAITOH

    IPC: G02F1/1337 ,  G02F1/1335

    Abstract: Provided are a method of manufacturing an optical element in which an optically-anisotropic layer having a small amount of in-plane unevenness can be prepared, and an optical element. The method of manufacturing an optical element is a method of manufacturing an optical element, the optical element including an optically-anisotropic layer that is formed using a liquid crystal composition including a liquid crystal compound, an alignment film that aligns the liquid crystal compound, and a support, the method including: an alignment film forming step of forming the alignment film on one surface of the support; and an optically-anisotropic layer forming step of forming an optically-anisotropic layer on the alignment film, in which the alignment film includes a photo-alignable material, the alignment film forming step includes an exposure step of exposing different in-plane positions of the alignment film to light components having different polarization directions, and the support scatters light in a wavelength range of at least a part of a light absorption band where a photochemical reaction of the alignment film occurs by irradiating the alignment film with the polarized light in the exposure step.

    OPTICAL ELEMENT
    12.
    发明申请
    OPTICAL ELEMENT 有权

    公开(公告)号：US20210088703A1

    公开(公告)日：2021-03-25

    申请号：US16950541

    申请日：2020-11-17

    Applicant: FUJIFILM Corporation

    Inventor： Yukito SAITOH ,  Hiroshi SATO

    IPC: G02B5/18 ,  G02B5/30

    Abstract: The optical element is an optical element including a first optically anisotropic layer which is a cured layer of a liquid crystal composition containing a rod-like liquid crystal compound and a second optically anisotropic layer which is laminated on the first optically anisotropic layer and is a cured layer of a liquid crystal composition containing a disk-like liquid crystal compound, wherein each of the first optically anisotropic layer and the second optically anisotropic layer, has a liquid crystal alignment pattern in which an optical axis of the rod-like liquid crystal compound and an optical axis of the disk-like liquid crystal compound are respectively parallel to a surface of the optically anisotropic layer and oriented along at least one in-plane direction, orientation of the optical axis changes continuously and rotationally, and the orientation of the optical axis rotates by 180° with a period of 0.5 μm to 5 μm.

    OPTICAL ELEMENT AND LIGHT GUIDE ELEMENT
    13.
    发明申请
    OPTICAL ELEMENT AND LIGHT GUIDE ELEMENT 有权

    公开(公告)号：US20210026062A1

    公开(公告)日：2021-01-28

    申请号：US17036612

    申请日：2020-09-29

    Applicant: FUJIFILM Corporation

    Inventor： Hiroshi SATO ,  Yukito SAITOH ,  Ayako MURAMATSU ,  Mayumi NOJIRI ,  Hideyuki NISHIKAWA

    IPC: F21V8/00 ,  G02B5/20 ,  G02B5/30 ,  C09K19/60

    Abstract: An object of the present invention is to provide: an optical element in which incident light can be transmitted or reflected at an angle in the predetermined direction and the wavelength dependence of the amount of transmitted light or reflected light is small; and an optical element including the optical element. The optical element according to the present invention comprises: an optically-anisotropic layer that is formed using a composition including a liquid crystal compound and an infrared absorbing colorant, in which the optically-anisotropic layer has a liquid crystal alignment pattern in which a direction of an optical axis derived from the liquid crystal compound changes while continuously rotating in at least one in-plane direction, and an absorption of the infrared absorbing colorant in a wavelength range of 700 to 2000 nm in a minor axis direction is higher than an absorption of the infrared absorbing colorant in a wavelength range of 700 to 2000 nm in a major axis direction.

    OPTICAL ELEMENT AND LIGHT GUIDE ELEMENT
    14.
    发明申请
    OPTICAL ELEMENT AND LIGHT GUIDE ELEMENT 审中-公开

    公开(公告)号：US20200348545A1

    公开(公告)日：2020-11-05

    申请号：US16913970

    申请日：2020-06-26

    Applicant: FUJIFILM Corporation

    Inventor： Hiroshi SATO ,  Yukito SAITOH

    IPC: G02F1/11 ,  G02F1/1335

    Abstract: An object is to provide an optical element in which a wavelength dependence of refraction of transmitted light is small, and a light guide element including the optical element. The optical element includes: plurality of optically-anisotropic layers that are formed using a composition including a liquid crystal compound and have a liquid crystal alignment pattern in which a direction of an optical axis derived from the liquid crystal compound continuously rotates in one in-plane direction; and a wavelength selective phase difference layer that is disposed between two optically-anisotropic layers and converts circularly polarized light in a specific wavelength range into circularly polarized light having an opposite turning direction, in which, in a case where, in the liquid crystal alignment pattern, a length over which the direction of the optical axis rotates by 180° in the in-plane direction in which the direction of the optical axis changes is set as a single period, a length of the single period in at least one optically-anisotropic layer is different from that of another optically-anisotropic layer.

    OPTICAL FILM, POLARIZING PLATE, AND IMAGE DISPLAY DEVICE
    17.
    发明申请
    OPTICAL FILM, POLARIZING PLATE, AND IMAGE DISPLAY DEVICE 审中-公开

    公开(公告)号：US20180348417A1

    公开(公告)日：2018-12-06

    申请号：US16053029

    申请日：2018-08-02

    Applicant: FUJIFILM Corporation

    Inventor： Naozumi SHIRAIWA ,  Keita TAKAHASHI ,  Hiroshi SATO

    IPC: G02B5/30 ,  C09K19/34

    CPC classification number: B32B7/02 ,  B32B27/00 ,  G02B5/30 ,  G02F1/1335 ,  G02F1/13363 ,  H01L51/50 ,  H05B33/02

    Abstract: An object of the present invention is to provide an optical film having an optically anisotropic layer having excellent durability, and a polarizing plate and an image display device using the same. An optical film of the present invention includes an optically anisotropic layer, an overcoat layer, and a pressure sensitive adhesive layer in this order, in which the optically anisotropic layer is a layer obtained by polymerizing a polymerizable liquid crystal composition containing a liquid crystal compound having a polymerizable group and a polymerization initiator, the overcoat layer is a layer obtained by curing a polyfunctional polymerizable monomer having two or more polymerizable groups, and a molecular weight per polymerizable group in the polyfunctional polymerizable monomer is 140 or less.

    METHOD FOR MANUFACTURING FLEXOGRAPHIC PRINTING ORIGINAL PLATE FOR LASER ENGRAVING, METHOD FOR MANUFACTURING FLEXOGRAPHIC PRINTING PLATE, AND LASER ENGRAVING RESIN COMPOSITION
    19.
    发明申请
    METHOD FOR MANUFACTURING FLEXOGRAPHIC PRINTING ORIGINAL PLATE FOR LASER ENGRAVING, METHOD FOR MANUFACTURING FLEXOGRAPHIC PRINTING PLATE, AND LASER ENGRAVING RESIN COMPOSITION 审中-公开
    用于制造用于激光雕刻的柔性印刷原版的方法，制造柔性印刷版的方法和激光树脂组合物

    公开(公告)号：US20160185098A1

    公开(公告)日：2016-06-30

    申请号：US15066424

    申请日：2016-03-10

    Applicant: FUJIFILM Corporation

    Inventor： Hiroshi SATO ,  Hiroshi TASHIRO

    IPC: B41C1/05 ,  C08K3/36 ,  C08K3/04

    CPC classification number: B41C1/05 ,  B41N1/12 ,  C08K3/04 ,  C08K3/36 ,  C08K5/0025 ,  C08L9/00 ,  C08L9/06 ,  C08L23/16

    Abstract: A resin composition for laser engraving has excellent roll detachability and sheet appearance when the resin composition is subjected to calender processing. A method produces a flexographic printing plate precursor for laser engraving, and a method produces a flexographic printing plate and uses the resin composition for laser engraving. A method for producing a flexographic printing plate precursor for laser engraving, includes, in the following order, forming a relief forming layer using a resin composition for laser engraving, through sheet molding using a calender roll; and crosslinking the relief forming layer by means of heat, and obtaining a flexographic printing plate precursor for laser engraving having a crosslinked relief forming layer, in which the resin composition for laser engraving is a resin composition including a diene-based polymer, a thermal polymerization initiator, carbon black, and a filler other than carbon black.

    Abstract translation: 当对树脂组合物进行压延加工时，用于激光雕刻的树脂组合物具有优异的辊剥离性和片材外观。 一种方法产生用于激光雕刻的柔性版印刷版前体，并且该方法产生柔性版印刷版，并使用该激光雕刻用树脂组合物。 用于制造激光雕刻用柔性版印刷版原版的方法包括以下顺序，使用砑光辊通过片材成型形成使用激光雕刻用树脂组合物的凸版形成层; 并通过加热交联凸版形成层，得到具有交联凸版形成层的激光雕刻用柔性版印刷版原版，其中激光雕刻用树脂组合物为包含二烯系聚合物的树脂组合物，热聚合 引发剂，炭黑和碳黑以外的填料。

    LIQUID CRYSTAL DISPLAY DEVICE
    20.
    发明申请
    LIQUID CRYSTAL DISPLAY DEVICE 有权
    液晶显示装置

    公开(公告)号：US20140184992A1

    公开(公告)日：2014-07-03

    申请号：US14133001

    申请日：2013-12-18

    Applicant: FUJIFILM Corporation

    Inventor： Megumi SEKIGUCHI ,  Shinichi MORISHIMA ,  Takashi YONEMOTO ,  Hiroshi SATO ,  Taketo OTANI

    IPC: G02F1/1335

    CPC classification number: G02F1/133504

    Abstract: A liquid crystal display device includes first and second polarizers with absorption axes orthogonal to each other; first and second substrates between the first and second polarizers and at least one of which has a transparent electrode; and a twisted-nematic liquid crystal cell disposed between the first and second substrates, wherein a light scattering film is provided at a viewing side of the first and second polarizers and includes a support member and a liquid crystal layer composed of a liquid crystal compound, wherein the pitch of the liquid crystal compound ranges between 0.35 μm and 3 μm and is oriented at 45° relative to a liquid-crystal direction of the liquid crystal display device, wherein the liquid crystal layer has a thickness between 0.17 μm and 10 μm, and wherein a weighted scattering area ratio of a goniophotometer scattering profile of the light scattering film satisfies the following expression: S 60 / ( S 0 ) 2 × 1000 > 40 S 0 = ∑ S 0  ( θ ) × θ ∑ S 0  ( θ ) S 60 = ∑ S 60  ( θ ) × exp  ( - 0.2 × θ ) ∑ S 60  ( θ )

    Abstract translation: 液晶显示装置包括具有彼此正交的吸收轴的第一和第二偏振器; 第一和第二偏振器之间的第一和第二基板，并且其中至少一个具有透明电极; 以及设置在第一和第二基板之间的扭曲向列型液晶单元，其中在第一和第二偏振器的观察侧设置有光散射膜，并且包括支撑构件和由液晶化合物构成的液晶层， 其中液晶化合物的间距在0.35μm和3μm之间，相对于液晶显示装置的液晶方向取向为45°，其中液晶层的厚度为0.17μm至10μm， 并且其中光散射膜的测角光度计散射分布的加权散射面积比满足以下表达式：S 60 /（S 0）2×1000> 40 S 0 =ΣS 0（＆Thetas;）×＆Thetas; （＆Thetas;）×exp（ - 0.2×＆thetas;）ΣS 60（＆Thetas;）S 60

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