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    OPTICAL ELEMENT AND LIGHT GUIDE ELEMENT
    1.
    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.

    METHOD OF MANUFACTURING LIQUID CRYSTAL LAYER
    2.
    发明申请
    METHOD OF MANUFACTURING LIQUID CRYSTAL LAYER 有权

    公开(公告)号：US20230025298A1

    公开(公告)日：2023-01-26

    申请号：US17942704

    申请日：2022-09-12

    Applicant: FUJIFILM Corporation

    Inventor： Hideyuki NISHIKAWA

    IPC: C09K19/56 ,  C09K19/12 ,  G02F1/1337

    Abstract: An object is to provide a method of manufacturing a liquid crystal layer in which an alignment film is repeatedly used and a liquid crystal compound in a liquid crystal layer can be sufficiently aligned. The method of manufacturing a liquid crystal layer includes: an alignment film forming step of forming an alignment film on a support; a liquid crystal alignment layer alignment step of laminating a first liquid crystal composition including a polymerizable liquid crystal compound on the alignment film and aligning the first liquid crystal composition; a liquid crystal alignment layer forming step of polymerizing the aligned first liquid crystal composition to form a liquid crystal alignment layer; a liquid crystal layer alignment step of laminating a second liquid crystal composition including a polymerizable liquid crystal compound on a surface of the liquid crystal alignment layer opposite to the alignment film and aligning the second liquid crystal composition; a liquid crystal layer forming step of polymerizing the aligned second liquid crystal composition to form a liquid crystal layer; and a liquid crystal layer separation step of separating the formed liquid crystal layer from the liquid crystal alignment layer, in which the liquid crystal layer alignment step to the liquid crystal layer separation step are repeated to repeatedly prepare the liquid crystal layer.

    OPTICAL FILM, POLARIZING PLATE AND LIQUID CRYSTAL DISPLAY USING THE SAME
    3.
    发明申请
    OPTICAL FILM, POLARIZING PLATE AND LIQUID CRYSTAL DISPLAY USING THE SAME 有权
    光学膜，偏光板和使用其的液晶显示

    公开(公告)号：US20150253621A1

    公开(公告)日：2015-09-10

    申请号：US14633883

    申请日：2015-02-27

    Applicant: FUJIFILM Corporation

    Inventor： Yu NAITO ,  Nobutaka FUKAGAWA ,  Aiko YOSHIDA ,  Hideyuki NISHIKAWA ,  Masaki NORO

    IPC: G02F1/1335 ,  C07D251/30

    CPC classification number: G02F1/133528 ,  C07D251/30 ,  Y10T428/10 ,  Y10T428/1036 ,  Y10T428/1041

    Abstract: An optical film, containing a cellulose acylate, and at least one compound represented by any of formulas (I) to (III): wherein, in formulas (I) to (III), R1 and R2 each independently represent a halogen atom, an alkyl, cycloalkyl, alkenyl, aryl, hydroxy, hydroxyamino, amino, alkylamino, arylamino, alkoxy, aryloxy, alkylthio, or arylthio group (however, R1 and R2 do not represent an amino, alkylamino, or arylamino group at the same time); R3 to R6 each independently represent a hydrogen atom, an alkyl, cycloalkyl, alkenyl, aryl, acyl, alkyl- or aryl-sulfonyl, alkyl- or aryl-sulfinyl, carbamoyl, sulfamoyl, alkoxycarbonyl, or aryloxycarbonyl group; R7 represents an alkyl, cycloalkyl, alkenyl, aryl, alkylamino, arylamino, alkoxy, aryloxy, or heterocyclic group; R8 represents an alkyl, cycloalkyl, alkenyl, aryl, or heterocyclic group; and R1 to R8 each may be further substituted with a substituent; and a polarizing plate and a liquid crystal display.

    Abstract translation: 含有纤维素酰化物的光学膜和至少一种由式（I）至（III）中的任何一种表示的化合物：其中，在式（I）至（III）中，R 1和R 2各自独立地表示卤素原子， 烷基，环烷基，烯基，芳基，羟基，羟基氨基，氨基，烷基氨基，芳基氨基，烷氧基，芳氧基，烷硫基或芳硫基（然而，R1和R2不同时代表氨基，烷基氨基或芳氨基） R 3至R 6各自独立地表示氢原子，烷基，环烷基，烯基，芳基，酰基，烷基 - 或芳基 - 磺酰基，烷基 - 或芳基 - 亚磺酰基，氨基甲酰基，氨磺酰基，烷氧基羰基或芳氧基羰基。 R 7表示烷基，环烷基，烯基，芳基，烷基氨基，芳基氨基，烷氧基，芳氧基或杂环基; R8表示烷基，环烷基，烯基，芳基或杂环基; R 1〜R 8可以进一步被取代基取代; 以及偏光板和液晶显示器。

    OPTICALLY ANISOTROPIC FILM, LAMINATE, CIRCULARLY POLARIZING PLATE, AND DISPLAY DEVICE
    4.
    发明申请
    OPTICALLY ANISOTROPIC FILM, LAMINATE, CIRCULARLY POLARIZING PLATE, AND DISPLAY DEVICE 有权

    公开(公告)号：US20210382348A1

    公开(公告)日：2021-12-09

    申请号：US17400752

    申请日：2021-08-12

    Applicant: FUJIFILM Corporation

    Inventor： Hideyuki NISHIKAWA ,  Ryoji GOTO ,  Yuuta FUJINO ,  Mirei ARAYASU ,  Yuki NAKAMURA

    IPC: G02F1/1335 ,  G02F1/13363 ,  G02F1/1337 ,  C09K19/38

    Abstract: Provided is an optically anisotropic film exhibiting reverse wavelength dispersibility with excellent thickness-direction phase differences, a laminate, a circularly polarizing plate, and a display device. The optically anisotropic film of an embodiment of the present invention satisfies the following Requirements 1 to 4. Requirement 1: In a case of irradiation with P-polarized light and S-polarized light, which are linearly polarized light perpendicular to each other, from a direction inclined by 45° from a normal direction of a film surface of the optically anisotropic film, an absorption intensity ratio in a case of irradiation with S-polarized light to an absorption intensity in a case of irradiation with P-polarized light is 1.02 or more in an absorption intensity at a wavelength having a largest absorption in a wavelength range of 700 to 900 nm. Requirement 2: Re(550)

    PHOTO-ALIGNMENT COPOLYMER, BINDER COMPOSITION, BINDER LAYER, OPTICAL LAMINATE, AND IMAGE DISPLAY DEVICE
    5.
    发明申请
    PHOTO-ALIGNMENT COPOLYMER, BINDER COMPOSITION, BINDER LAYER, OPTICAL LAMINATE, AND IMAGE DISPLAY DEVICE 有权

    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.

    PHOTO-ALIGNABLE POLYMER, BINDER COMPOSITION, BINDER LAYER, OPTICAL LAMINATE, METHOD FOR PRODUCING OPTICAL LAMINATE, AND IMAGE DISPLAY DEVICE
    6.
    发明申请
    PHOTO-ALIGNABLE POLYMER, BINDER COMPOSITION, BINDER LAYER, OPTICAL LAMINATE, METHOD FOR PRODUCING OPTICAL LAMINATE, AND IMAGE DISPLAY DEVICE 审中-公开

    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

    IPC: C08F20/40 ,  C08L63/00 ,  C08F20/30 ,  C08F20/38 ,  C09K19/56 ,  G02B5/30

    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.

    CELLULOSE ACYLATE FILM, POLARIZING PLATE PROTECTIVE FILM, POLARIZING PLATE AND LIQUID CRYSTAL DISPLAY USING THE SAME
    10.
    发明申请
    CELLULOSE ACYLATE FILM, POLARIZING PLATE PROTECTIVE FILM, POLARIZING PLATE AND LIQUID CRYSTAL DISPLAY USING THE SAME 有权
    纤维素丙烯酸酯膜，偏光板保护膜，偏光板和使用其的液晶显示器

    公开(公告)号：US20150252178A1

    公开(公告)日：2015-09-10

    申请号：US14633868

    申请日：2015-02-27

    Applicant: FUJIFILM Corporation

    Inventor： Nobutaka FUKAGAWA ,  Yu NAITO ,  Mayumi NOJIRI ,  Hiroyuki HAGIO ,  Aiko YOSHIDA ,  Hideyuki NISHIKAWA

    IPC: C08L1/12 ,  G02F1/1335

    CPC classification number: C08L1/12 ,  B32B2457/202 ,  C08J5/18 ,  C08J2301/12 ,  C08K5/0008 ,  C08K5/16 ,  G02F1/133528 ,  Y10T428/105 ,  Y10T428/31971 ,  C08L67/00

    Abstract: A cellulose acylate film, containing: at least two or more of chelating agents having different pKa values from one another, wherein the chelating agents comprise: a chelating agent A having at least one functional group whose acid dissociation constant pKa, measured at 25° C. in a mixed solvent having a mixing ratio of tetrahydrofuran 60 ml/water 40 ml, is 6 or less; and a chelating agent B having at least one functional group of a conjugate acid whose pKa, measured at the same condition, is 7 or more; and a cellulose acylate, and wherein the number of bright spots of the cellulose acylate film is equal to or less than 500/cm2; a polarizing plate protective film, a polarizing plate and a liquid crystal display using the same.

    Abstract translation: 一种纤维素酰化物膜，其包含：至少两种或更多种彼此具有不同pKa值的螯合剂，其中所述螯合剂包含：具有至少一个官能团的螯合剂A，其酸解离常数pKa在25℃下测定 在四氢呋喃60ml /水40ml的混合比例的混合溶剂中为6以下; 和具有至少一种共轭酸官能团的螯合剂B，其在相同条件下测定的pKa为7以上; 纤维素酰化物，纤维素酰化物膜的亮点数为500 / cm 2以下; 偏振片保护膜，偏振片和使用其的液晶显示器。

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