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公开(公告)号：US11987742B2
公开(公告)日：2024-05-21
申请号：US17697526
申请日：2022-03-17
Applicant: FUJIFILM Corporation
Inventor： Shunya Katoh , Hiroshi Inada , Masaaki Suzuki , Yuki Nakamura
CPC classification number: C09K19/3003 , C09K19/02 , C09K19/3068 , C09K19/3491 , G02B5/3016 , G02B5/3025 , C09K2019/0448 , C09K2019/3004 , C09K2019/3075 , C09K2019/3077
Abstract: Provided is a polymerizable liquid crystal composition with which an image display device having an excellent contrast can be manufactured; and a cured product, an optical film, a polarizing plate, and an image display device. The polymerizable liquid crystal composition contains a compound represented by Formula (I). L1-SP1-D5-(A1)a1-D3-(G1)g1-D1-[Ar-D2]q1-(G2)g2-D4-(A2)a2-D6-SP2-L2 . . . (I), and a compound represented by Formula (II), L5-SP5-D9-(A5)a3-D10-(G3)g3-D11-M . . . (II).
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公开(公告)号：US10961458B2
公开(公告)日：2021-03-30
申请号：US16360441
申请日：2019-03-21
Applicant: FUJIFILM Corporation
Inventor： Masaaki Suzuki , Shunya Katoh , Koji Iijima , Yuki Nakamura
Abstract: A liquid crystal composition is provided which has excellent alignment properties, improves a surface state of an optically anisotropic layer to be formed, and improves adhesiveness with a polarizer, an optical film using the same, a polarizing plate, and an image display device. The liquid crystal composition according to the present invention is a liquid crystal composition containing a copolymer having a repeating unit represented by Formula (I) and a repeating unit represented by Formula (II), and a liquid crystal compound.
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公开(公告)号：US12099224B2
公开(公告)日：2024-09-24
申请号：US18327736
申请日：2023-06-01
Applicant: FUJIFILM Corporation
Inventor： Yuki Nakamura , Shuntaro Ibuki
IPC: G02B5/30 , G02F1/1337 , G02F1/1335 , H10K59/80
CPC classification number: G02B5/3016 , G02F1/133719 , C09K2323/02 , C09K2323/031 , G02F1/133541 , H10K59/8793
Abstract: An optical laminate includes two optically anisotropic layers, an A-plate and a C-plate, in which the adhesiveness between the layers, the liquid crystal alignment of the C-plate, and the adhesiveness between the A-plate and a pressure-sensitive adhesive, are excellent. The optical laminate includes first and second optically anisotropic layers which are A-plate and C-plate formed of a first and second liquid crystal compound, respectively, and a mixed layer disposed between the layers, including components derived from the first and second liquid crystal compounds, and an optical alignment compound, in which a surface energy of the first optically anisotropic layer on a side opposite to the mixed layer is 25 mN/m or more, and where a component in a depth direction is analyzed with time-of-flight type secondary ion mass spectrometry while irradiating ion beams from a surface of the optical laminate on the first, toward the second, optically anisotropic layer.
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Patent Agency Ranking
公开(公告)号：US12091603B2
公开(公告)日：2024-09-17
申请号：US17697519
申请日：2022-03-17
Applicant: FUJIFILM Corporation
Inventor： Hiroshi Inada , Shunya Katoh , Yuki Nakamura , Yuko Suzuki
CPC classification number: C09K19/2007 , C09K19/3068 , C09K19/3405 , C09K19/3491 , C09K19/3497 , G02B5/3016 , G02B5/3025 , C09K2019/2035 , C09K2019/2078
Abstract: A liquid crystal composition containing a liquid crystal compound and a non-liquid crystal compound, in which both of the liquid crystal compound and the non-liquid crystal compound are compounds having any of aromatic rings selected from the group consisting of groups represented by predetermined formulae, and a ratio of a molecular weight of the non-liquid crystal compound to a molecular weight of the liquid crystal compound is 1 or less.
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公开(公告)号：US11592703B2
公开(公告)日：2023-02-28
申请号：US17850392
申请日：2022-06-27
Applicant: FUJIFILM Corporation
Inventor： Yuta Fukushima , Keisuke Kodama , Yoshinori Maeda , Akira Maruyama , Yuki Nakamura , Shunya Katoh , Yuta Takahashi
IPC: G02F1/1335 , G02F1/1337 , G02B5/30 , C09D125/06 , C09D123/08 , C09K19/20 , C09K19/32 , C09K19/58
Abstract: Provided are an optical film, a circularly polarizing plate, and an image display apparatus in each of which the occurrence of cracks is suppressed in the obtained film in a case of being punched. The optical film includes a stretched resin film and a liquid crystal layer formed by fixing a liquid crystal compound twist-aligned along a helical axis extending along a direction in thickness, in which a δa value calculated using a three-dimensional solubility parameter of a resin in the stretched resin film is 8.0 MPa1/2 or less, the liquid crystal layer contains a cured substance of a polyfunctional compound having two or more polymerizable groups in one molecule, and an absolute value of a difference between the δa value calculated using the three-dimensional solubility parameter of the polyfunctional compound and the δa value calculated using the three-dimensional solubility parameter of the resin is 4.0 MPa1/2 or less.
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公开(公告)号：US11966008B2
公开(公告)日：2024-04-23
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
IPC: G02B1/111 , C09K19/38 , C09K19/56 , G02F1/1335 , H10K50/86
CPC classification number: G02B1/111 , C09K19/3861 , C09K19/56 , G02F1/133502 , H10K50/86
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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公开(公告)号：US11353750B2
公开(公告)日：2022-06-07
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: G02F1/13363 , G02F1/1335 , C09K19/38 , G02F1/1337
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)
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公开(公告)号：US11243436B2
公开(公告)日：2022-02-08
申请号：US16668385
申请日：2019-10-30
Applicant: FUJIFILM Corporation
Inventor： Tatsuya Iwasaki , Yuki Nakamura , Masaaki Suzuki , Katsufumi Ohmuro
IPC: G02F1/13363 , G02F1/1335 , G02F1/1337
Abstract: A liquid crystal display device in which light leak and a tint change when being seen from an oblique direction at the time of black display are suppressed. The liquid crystal display device includes: a liquid crystal cell and a pair of polarizing plates that are disposed such that the liquid crystal cell is interposed between the pair of polarizing plates, in which a tilt angle of the liquid crystal compound is 1.0° or less, respective color filters that are disposed on respective pixel regions of the liquid crystal cell are provided between the pair of polarizing plates, Rth of the respective color filters satisfy predetermined requirements, the polarizing plate that is disposed on the visible side among the pair of polarizing plates includes an optical compensation layer and a polarizer in this order from the liquid crystal cell side, and the optical compensation layer satisfies a predetermined requirement.
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