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    RETARDATION FILM, POLARIZING PLATE, AND LIQUID CRYSTAL DISPLAY
    22.
    发明申请
    RETARDATION FILM, POLARIZING PLATE, AND LIQUID CRYSTAL DISPLAY 有权
    延迟膜，极化板和液晶显示器

    公开(公告)号：US20150029445A1

    公开(公告)日：2015-01-29

    申请号：US14325875

    申请日：2014-07-08

    Applicant: FUJIFILM Corporation

    Inventor： Jun TAKEDA ,  Shunya KATOH ,  Michio NAGAI ,  Yoji ITO

    IPC: G02B5/30 ,  G02F1/13363

    CPC classification number: G02B5/3016 ,  G02F1/13363 ,  G02F2001/133633 ,  Y10T428/10 ,  Y10T428/1036 ,  Y10T428/105

    Abstract: A retardation film includes a first optically anisotropic layer having liquid crystal compounds fixed in a homogeneously aligned state and a leveling agent, and having an order parameter of 0.75 to 0.95 and a thickness of 0.3 to 3.0 μm; an intermediate layer including a resin having a solubility parameter SP value of 21.5 to 24.7, calculated by Hoy's method, the intermediate layer having a thickness of 3.0 μm or less; and a second optically anisotropic layer having liquid crystal compounds fixed in a homeotropically aligned state, and having an order parameter OP of 0.6 to 0.95 and a thickness of 0.3 to 3.0 μm, wherein OP is represented by the following equation; OP=(A∥−A⊥)/(2A⊥+A∥) where A∥ is absorbance of the liquid crystal compounds for light polarized parallel to an alignment direction, and A⊥ is absorbance of the liquid crystal compounds for light polarized perpendicular to the alignment direction.

    Abstract translation: 延迟膜包括具有均匀取向状态的液晶化合物的第一光学各向异性层和流平剂，并且具有0.75至0.95的顺序参数和0.3至3.0μm的厚度; 中间层，其具有通过Hoy's方法计算的溶度参数SP值为21.5〜24.7的树脂，中间层的厚度为3.0μm以下; 和具有固定在垂直取向状态的液晶化合物的第二光学各向异性层，并且具有0.6至0.95的阶数参数OP和0.3至3.0μm的厚度，其中OP由下式表示; OP =（A∥-A⊥）/（2A⊥+A‖）其中A∥是与取向方向平行偏光的液晶化合物的吸光度，A⊥是用于光偏振垂直的液晶化合物的吸光度 到排列方向。

    PHASE DIFFERENCE FILM, POLARIZING PLATE, LIQUID CRYSTAL DISPLAY DEVICE, AND METHOD OF PRODUCING PHASE DIFFERENCE FILM
    23.
    发明申请
    PHASE DIFFERENCE FILM, POLARIZING PLATE, LIQUID CRYSTAL DISPLAY DEVICE, AND METHOD OF PRODUCING PHASE DIFFERENCE FILM 审中-公开
    相位差膜，极化板，液晶显示装置，以及生产相位差膜的方法

    公开(公告)号：US20150022748A1

    公开(公告)日：2015-01-22

    申请号：US14509804

    申请日：2014-10-08

    Applicant: FUJIFILM Corporation

    Inventor： Jun TAKEDA ,  Yuki MATSUDA ,  Nobuhiko ICHIHARA

    IPC: G02B5/30 ,  G02B1/08 ,  G02B1/12 ,  G02F1/1335 ,  G02F1/13363

    CPC classification number: G02B5/3016 ,  G02B1/08 ,  G02B1/12 ,  G02B5/3033 ,  G02B5/305 ,  G02F1/133528 ,  G02F1/13363 ,  G02F2001/133633 ,  Y10T428/10 ,  Y10T428/1036

    Abstract: There is provided a phase difference film which includes a substrate, an acrylic resin layer, an intermediate layer containing a main component of the substrate and a main component of the acrylic resin layer between the substrate and the acrylic resin layer, and a specific phase difference layer directly on a surface on the opposite side to the intermediate layer of the acrylic resin layer, in which the substrate contains at least one kind of resin selected from a cellulose acylate resin, a cyclic olefin resin, a polycarbonate resin, an acrylic resin, and a styrene resin, the acrylic resin layer contains an acrylic resin having a polar group, the intermediate layer has a thickness of 0.1 μm to 10 μm, and the phase difference layer is formed by polymerizing a polymerizable liquid crystal compound containing a vertical alignment agent.

    Abstract translation: 提供了一种相位差膜，其包括基板，丙烯酸树脂层，包含基板的主要成分的中间层和基板与丙烯酸树脂层之间的丙烯酸树脂层的主要成分，以及特定的相位差 层直接位于与丙烯酸树脂层的中间层相反的一侧的表面上，其中基材含有至少一种选自纤维素酰化物树脂，环烯烃树脂，聚碳酸酯树脂，丙烯酸树脂， 和苯乙烯树脂，丙烯酸树脂层含有具有极性基团的丙烯酸树脂，中间层的厚度为0.1μm至10μm，并且通过聚合含有垂直取向剂的聚合性液晶化合物形成相差层 。

    POLARIZING ELEMENT, CIRCULARLY POLARIZING PLATE, AND IMAGE DISPLAY DEVICE
    25.
    发明申请
    POLARIZING ELEMENT, CIRCULARLY POLARIZING PLATE, AND IMAGE DISPLAY DEVICE 有权

    公开(公告)号：US20210026195A1

    公开(公告)日：2021-01-28

    申请号：US17071245

    申请日：2020-10-15

    Applicant: FUJIFILM Corporation

    Inventor： Yasukazu KUWAYAMA ,  Jun TAKEDA ,  Naoki KOITO

    IPC: G02F1/1335 ,  H01L27/32 ,  G02F1/1337

    Abstract: An object of the present invention is to provide a polarizing element which has an excellent antireflection function in a case of being applied to an image display device; and a circularly polarizing plate and an image display device, each of which has the polarizing element. The polarizing element of an embodiment of the present invention is a polarizing element having an alignment film and an anisotropic light-absorbing film formed using a dichroic substance, in which the alignment film is a photoalignment film formed using a composition for forming a photoalignment film, including a photoactive compound having a polymerizable group and a photoreactive group, a degree S of alignment of the anisotropic light-absorbing film is 0.92 or more, and an average refractive index nave at a wavelength of 400 to 700 nm of the alignment film is 1.55 to 2.0.

    LIQUID CRYSTAL DISPLAY DEVICE
    26.
    发明申请
    LIQUID CRYSTAL DISPLAY DEVICE 审中-公开

    公开(公告)号：US20190353958A1

    公开(公告)日：2019-11-21

    申请号：US16531583

    申请日：2019-08-05

    Applicant: FUJIFILM Corporation

    Inventor： Fumitake MITOBE ,  Naoya NISHIMURA ,  Jun TAKEDA

    IPC: G02F1/1335

    Abstract: The present invention is to provide a liquid crystal display device which is capable of suppressing reflected glare of a display screen on a windshield and the like, has excellent front contrast, and has excellent visibility of a display screen as viewed via polarized sunglasses. A liquid crystal display device includes, in order from a viewing side, a viewing side polarizer, a liquid crystal cell, a non-viewing side polarizer, and an anisotropic light absorption layer having an absorption axis in a thickness direction. The liquid crystal display device further includes at least one polarization control layer, in which the polarization control layer is arranged on a viewing side of the viewing side polarizer or on a non-viewing side of the non-viewing side polarizer.

    BACKLIGHT UNIT
    28.
    发明申请
    BACKLIGHT UNIT 审中-公开

    公开(公告)号：US20180039013A1

    公开(公告)日：2018-02-08

    申请号：US15723746

    申请日：2017-10-03

    Applicant: FUJIFILM Corporation

    Inventor： Yujiro YANAI ,  Yukito SAITOH ,  Shuntaro IBUKI ,  Jun TAKEDA

    IPC: F21V8/00

    Abstract: Provided is a backlight unit capable of causing light that has exited from a light guide plate to be incident to a liquid crystal panel with high efficiency. The object is achieved by providing the backlight unit including a light source; a light guide plate that causes light to be incident to through an edge face and to exit through one of principal surfaces; and an optical film disposed on a surface of the light guide plate, the surface being on the opposite side of the light exiting surface, in which the optical film has a plurality of reflective polarizing elements each having a curved surface, and/or a plurality of reflective polarizing elements each having an inclined surface that is inclined with respect to the direction of light propagation of the light guide plate.

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