公开(公告)号：US20200318010A1

公开(公告)日：2020-10-08

申请号：US16907822

申请日：2020-06-22

申请人： FUJIFILM Corporation

发明人： Wataru HOSHINO ,  Yoshiaki TAKADA ,  Kengo SAITO

IPC分类号： C09K19/46 ,  G02B5/30 ,  C09K19/60

摘要： 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. The polarizer of the present invention is a polarizer which is formed of a polarizer-forming composition containing a polymer liquid crystal compound and a dichroic material, in which the polymer liquid crystal compound is a thermotropic liquid crystal and a crystalline polymer, the polymer liquid crystal compound and the dichroic material are horizontally aligned, and crystallinity of the polymer liquid crystal compound in the polarizer-forming composition is higher than the crystallinity of the polymer liquid crystal compound alone.

公开(公告)号：US20240241403A1

公开(公告)日：2024-07-18

申请号：US18421734

申请日：2024-01-24

申请人： FUJIFILM Corporation

发明人： Wataru HOSHINO ,  Yoshiaki TAKADA ,  Yuzo FUJIKI ,  Kengo SAITO ,  Yasuhiro ISHIWATA ,  Takashi KATOU ,  Keisuke USHIROGATA

IPC分类号： G02F1/1335 ,  C09K19/04 ,  G02B1/08 ,  G02B5/30

CPC分类号： G02F1/133528 ,  C09K19/04 ,  C09K19/0403 ,  G02B1/08 ,  C09K2019/0444 ,  C09K2323/031 ,  G02B5/3016

摘要： A polarizer with a high degree of alignment and an image display device including the polarizer. The polarizer is 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：US20180362768A1

公开(公告)日：2018-12-20

申请号：US16111562

申请日：2018-08-24

申请人： FUJIFILM Corporation

发明人： Wataru HOSHINO ,  Masaki OTA ,  Masatoshi MIZUMURA ,  Takashi KATOU ,  Yoshiaki TAKADA ,  Yoji ITO ,  Daisuke KASHIWAGI ,  Yuya HAMAGUCHI

IPC分类号： C09B62/475 ,  G02F1/1337 ,  G02F1/13363 ,  G02F1/1335

摘要： Provided are a coloring composition with which a light absorption anisotropic film having excellent durability can be formed, a light absorption anisotropic film, a laminate, and an image display device. A coloring composition according to the invention contains a dichroic dye compound having a structure represented by Formula (1D) and a liquid crystalline compound.

公开(公告)号：US20230212460A1

公开(公告)日：2023-07-06

申请号：US18185055

申请日：2023-03-16

申请人： FUJIFILM Corporation

发明人： Hiroshi MATSUYAMA ,  Yoshiaki TAKADA ,  Wataru HOSHINO ,  Naoki KOITO

IPC分类号： C09K19/56 ,  C08F220/32 ,  G02B5/30

CPC分类号： C09K19/56 ,  C08F220/32 ,  G02B5/3016

摘要： Provided is a composition for forming a photo-alignment film that improves a surface state of a liquid crystal layer having excellent liquid crystal alignment properties of the liquid crystal layer provided on a photo-alignment film, and an optical laminate formed of the composition. The composition includes a polymer A which has a repeating unit A1 containing a photo-aligned group and a repeating unit A2 containing a cationically polymerizable group, a polymer B which has a repeating unit B1 containing a cationically polymerizable group and does not contain a photo-aligned group, and at least one acid generator selected from the group consisting of a photoacid generator and a thermal acid generator, in which the polymer B has 90% by mass or greater of a repeating unit, in which a hydrogen bond element of a Hansen solubility parameter is less than 10.0, with respect to all repeating units of the polymer B.

公开(公告)号：US20180346633A1

公开(公告)日：2018-12-06

申请号：US16058166

申请日：2018-08-08

申请人： FUJIFILM Corporation

发明人： Wataru HOSHINO ,  Yoshiaki TAKADA ,  Jyunko IBARAKI

IPC分类号： C08F290/12 ,  C08F20/36 ,  C08F20/28 ,  C09B29/12 ,  C09B69/10 ,  C09B31/043 ,  C09B31/14 ,  G02B5/30

摘要： An object of the invention is to provide a coloring composition with which a light absorption anisotropic film maintaining an excellent dichroic ratio and having good pressing resistance can be formed, and a light absorption anisotropic film, a laminate, and an image display device using the coloring composition. A coloring composition according to the invention contains: a polymer compound having a repeating unit including a crosslinkable group and a mesogenic group in the same side chain, or a polymer compound separately having a repeating unit including a crosslinkable group in a side chain and a repeating unit including a mesogenic group in a side chain; and a dichroic dye compound.

公开(公告)号：US20180246381A1

公开(公告)日：2018-08-30

申请号：US15957367

申请日：2018-04-19

申请人： FUJIFILM Corporation

发明人： Taku WAKITA ,  Ayako MURAMATSU ,  Chie MORIYA ,  Yoshiaki TAKADA ,  Makoto ISHIGURO

IPC分类号： G02F1/1337 ,  C08K5/101 ,  G02F1/1335

CPC分类号： G02F1/133711 ,  C08K5/101 ,  C08L101/02 ,  G02B5/3016 ,  G02F1/133528 ,  G02F1/13363 ,  G02F1/133788 ,  G02F2001/133715 ,  G02F2001/133726 ,  G02F2202/28 ,  Y10T428/10 ,  Y10T428/1005 ,  Y10T428/1036

摘要： According to the invention, provided are an optical alignment film composition with which an optical alignment film having excellent aligning properties can be produced, and an optical alignment film, an optical laminate, and an image display device produced using the optical alignment film composition. An optical alignment film composition according to the invention contains a polymer A which has a constitutional unit a1 including a cinnamate group and a low-molecular-weight compound B which has a cinnamate group and has a lower molecular weight than the polymer A.

公开(公告)号：US20220186119A1

公开(公告)日：2022-06-16

申请号：US17684988

申请日：2022-03-02

申请人： FUJIFILM Corporation

发明人： Takashi KATOU ,  Yoshiaki TAKADA ,  Keigo SHIGA ,  Kengo SAITO

IPC分类号： C09K19/24 ,  C09K19/38 ,  C09K19/60

摘要： Provided is a liquid crystal composition capable of forming a light absorption anisotropic film with excellent light resistance, a dichroic material, a light absorption anisotropic film, a laminate, and an image display device. The liquid crystal composition contains a liquid crystal compound and a dichroic material having a structure represented by Formula (1).

公开(公告)号：US20190071571A1

公开(公告)日：2019-03-07

申请号：US16183011

申请日：2018-11-07

申请人： FUJIFILM Corporation

发明人： Yoshiaki TAKADA ,  Wataru HOSHINO ,  Ryoji GOTO ,  Jyunko IBARAKI ,  Hiroshi MATSUYAMA ,  Masatoshi MIZUMURA

IPC分类号： C09B31/20 ,  B32B27/20 ,  B32B27/08 ,  C09B31/062 ,  G02F1/1335 ,  G02B5/30 ,  H01L51/52

摘要： A dichroic dye compound has an excellent alignment property when used in a light absorption anisotropic film, and has excellent solubility. A coloring composition contains the dichroic dye compound having a structure represented by Formula (1). In Formula (1), A and B represent a crosslinkable group, a and b are 0 or 1, and a+b is not less than 1. L1 and L2 represent a monovalent substituent, a single bond, or a divalent linking group. Each of Ar1 to Ar3 represents an aromatic hydrocarbon group or heterocyclic group. R1 to R3 represent a monovalent substituent. k represents an integer of 1 to 4. n1, n2, and n3 represent an integer of 0 to 4. In a case where k is 1, n1+n2+n3 is not less than 0, and in a case where k is not less than 2, n1+n2+n3 is not less than 1.

公开(公告)号：US20170299785A1

公开(公告)日：2017-10-19

申请号：US15639809

申请日：2017-06-30

申请人： FUJIFILM Corporation

发明人： Yukito SAITOH ,  Hideyuki NISHIKAWA ,  Kunihiro ATSUMI ,  Wataru HOSHINO ,  Yoshiaki TAKADA

IPC分类号： G02B5/08 ,  B32B37/10 ,  G02B5/30 ,  B32B37/06 ,  G02F1/13363 ,  G02F1/1335

CPC分类号： G02B5/0816 ,  B32B7/02 ,  B32B37/06 ,  B32B37/10 ,  B32B37/12 ,  B32B2305/72 ,  B32B2307/42 ,  B32B2457/202 ,  G02B5/3016 ,  G02B5/305 ,  G02B5/3083 ,  G02F1/133536 ,  G02F1/133553 ,  G02F1/13363 ,  G02F1/133632 ,  G02F1/133636 ,  G02F2001/133541 ,  G02F2001/133567 ,  G02F2001/133638 ,  G02F2202/023 ,  G02F2413/01 ,  G02F2413/05

摘要： The present invention provides an optical film including a light reflection layer, in which the light reflection layer is a layer in which alignment of liquid crystal molecules is immobilized, the liquid crystal molecule forms a helical structure in a film thickness direction of the light reflection layer, and a tilt angle of the liquid crystal molecule is 15° to 55°. The present invention also provides a manufacturing method of the optical film including curing a polymerizable liquid crystal composition including a liquid crystal compound and a chiral agent interposed between a support and another support. In the optical film according to the present invention, an absolute value of oblique retardation is smaller. In the liquid crystal display device including the optical film, front surface brightness is high and an oblique change in the shade is suppressed.

公开(公告)号：US20230217789A1

公开(公告)日：2023-07-06

申请号：US18185052

申请日：2023-03-16

申请人： FUJIFILM Corporation

发明人： Naoki KOITO ,  Michio ARAI ,  Shun INOUE ,  Hiroshi MATSUYAMA ,  Yoshiaki TAKADA

IPC分类号： H10K59/80

CPC分类号： H10K59/873

摘要： Provided is an optical laminate with excellent durability and an image display device formed of the optical laminate. The optical laminate includes a pressure sensitive adhesive layer 1, a specific laminate including a resin layer and a light absorption anisotropic layer which are adjacent to each other, and a pressure sensitive adhesive layer 2 in order, in which the light absorption anisotropic layer contains a dichroic substance, the pressure sensitive adhesive layer 1 is adjacent to the resin layer of the specific laminate, and a storage elastic modulus Ep of the pressure sensitive adhesive layer 1 and a storage elastic modulus Ea and a moist heat strain δa of the resin layer satisfy Expression (1-1) ¼ (3 × Ep/Ea)⅔ > δa.