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公开(公告)号：US20220267675A1
公开(公告)日：2022-08-25
申请号：US17702299
申请日：2022-03-23
Applicant: FUJIFILM Corporation
Inventor： Toshikazu SUMI , Tatsuya IWASAKI , Shunya KATOH , Hiroshi INADA , Aiko YAMAMOTO
IPC: C09K19/30 , G02F1/1337 , C09K19/20 , C09K19/12 , C09K19/04 , G02F1/137 , G02F1/1335
Abstract: An optical film, a polarizing plate, and an image display device, each having an optically anisotropic layer obtained by curing a polymerizable liquid crystal composition including a polymerizable liquid crystal compound (LCC) having forward wavelength dispersion and a monofunctional compound, and immobilizing an alignment state of the polymerizable LCC. The number a1 of atoms of the polymerizable LCC and the number a2 of atoms of the monofunctional compound satisfy a relationship of Expression (1): 0.2
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公开(公告)号：US20220214484A1
公开(公告)日：2022-07-07
申请号：US17701145
申请日：2022-03-22
Applicant: FUJIFILM Corporation
Inventor： Tatsuya IWASAKI , Toshikazu SUMI , Shunya KATOH , Hiroshi INADA , Yuki FUKUSHIMA
Abstract: An optical film, a polarizing plate, and an image display device, each having an optically anisotropic layer obtained by curing a polymerizable liquid crystal composition including immobilizing an alignment state of a rod-shaped liquid crystal compound (LCC) having reverse wavelength dispersibility and a monofunctional compound, in which the rod-shaped LCC has polymerizable groups P1 and P2, and three or more rings B1 selected from the group consisting of an aromatic ring and an alicyclic ring a1 atoms of the rod-shaped LCC and a2 atoms of the monofunctional compound having polymerizable group P3, satisfy a relationship of Expression (1): 0.2
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公开(公告)号：US20200064672A1
公开(公告)日：2020-02-27
申请号：US16666874
申请日：2019-10-29
Applicant: FUJIFILM Corporation
Inventor： Tatsuya IWASAKI , Masaaki SUZUKI , Katsufumi OHMURO
IPC: G02F1/13363 , G02F1/1335 , G02F1/1337
Abstract: A liquid crystal display device is provided in which a tint change in case of being seen from an oblique direction at the time of black display is 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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4.发明公开公开(公告)号：US20230183574A1
公开(公告)日：2023-06-15
申请号：US18166910
申请日：2023-02-09
Applicant: FUJIFILM Corporation
Inventor： Toshikazu SUMI , Tatsuya IWASAKI , Yuki NAKAMURA
CPC classification number: C09K19/3491 , C09K19/54 , C09K19/2028 , C09K19/3497 , C09K2019/2078 , C09K2019/205
Abstract: Provided is a liquid crystal composition capable of suppressing a decrease in phase transition temperature from a smectic phase to a nematic phase and suppressing alignment defects in a liquid crystal cured layer thus formed, a liquid crystal cured layer, an optical film, a polarizing plate, and an image display device. The liquid crystal composition includes a liquid crystal compound exhibiting a smectic phase and a freezing point depressant, in which the liquid crystal compound is a compound represented by Formula (I) SP1-MG-SP2, and the liquid crystal composition satisfies Expression (1) |Am−Asl≥0.2 and Expression (2-1) in a case of Am≤As, Aa≥(Am+As)/2 or Expression (2-2) in a case of Am>As, Aa≤(Am+As)/2.
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公开(公告)号：US20200292861A1
公开(公告)日：2020-09-17
申请号：US16885755
申请日：2020-05-28
Applicant: FUJIFILM Corporation
Inventor： Tatsuya IWASAKI , Yuki NAKAMURA , Katsufumi OHMURO
IPC: G02F1/13363 , G02F1/1335
Abstract: The present invention provides a liquid crystal display device which is capable of achieving both reduction in thickness of a device and improvement of display performance such as prevention of light leakage, suppression of display unevenness in a hot and humid environment, and suppression of a change in display performance. The liquid crystal display of the present invention includes at least a first polarizer, a second optically anisotropic layer, a first optically anisotropic layer, a liquid crystal cell, and a second polarizer in this order, in which the first optically anisotropic layer satisfies predetermined Re (550) and Rth (550), the second optically anisotropic layer satisfies predetermined Re (550) and Rth (550), and the film thickness of the first optically anisotropic layer and the second optically anisotropic layer in a laminated form is 8 μm or less.
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Patent Agency Ranking
公开(公告)号：US20140293198A1
公开(公告)日：2014-10-02
申请号：US14227903
申请日：2014-03-27
Applicant: Fujifilm Corporation
Inventor： Tatsuya IWASAKI , Ayako MURAMATSU , Hiroyuki KAIHOKO
IPC: G02F1/13363
CPC classification number: G02F1/134363 , G02F1/133528 , G02F1/13363 , G02F1/133632 , G02F1/133634 , G02F2001/133738 , G02F2413/10
Abstract: A liquid crystal display includes: a first polarizer; a liquid crystal cell including a liquid crystal layer containing liquid crystal molecules horizontally aligned to a face of a substrate; and a second polarizer. The liquid crystal display further includes a first optical compensation film disposed between the first polarizer and the liquid crystal cell, an absorption axis of the first polarizer, an optical axis of the first optical compensation film, and an optical axis of the liquid crystal layer being parallel to each other in a view of the liquid crystal cell in a direction orthogonal to the face of the substrate of the liquid crystal cell. The optical axis of the liquid crystal layer of the liquid crystal cell and the optical axis of the first optical compensation film have a tilt angle from the face of the substrate of the liquid crystal cell in a same direction.
Abstract translation: 液晶显示器包括：第一偏振器; 液晶单元，其包括含有与基板的表面水平对准的液晶分子的液晶层; 和第二偏振器。 液晶显示装置还包括设置在第一偏振器和液晶单元之间的第一光学补偿膜，第一偏振器的吸收轴，第一光学补偿膜的光轴和液晶层的光轴为 在与液晶单元的基板的表面正交的方向上，液晶单元的视图彼此平行。 液晶单元的液晶层的光轴和第一光学补偿膜的光轴在相同方向上具有从液晶单元的基板的表面倾斜的角度。
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公开(公告)号：US20230042986A1
公开(公告)日：2023-02-09
申请号：US17949678
申请日：2022-09-21
Applicant: FUJIFILM Corporation
Inventor： Toshikazu SUMI , Tatsuya IWASAKI , Shunya KATOH , Hiroshi INADA , Megumi OKUBO
Abstract: Provided is a polymerizable liquid crystal composition capable of suppressing the generation of precipitates; and an optically anisotropic layer, an optical film, a polarizing plate, and an image display device. The polymerizable liquid crystal composition contains a forward wavelength dispersion liquid crystal compound A having an aromatic ring having 10 or more π electrons and a forward wavelength dispersion liquid crystal compound B having an aromatic ring having 6 or more and less than 10 π electrons.
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公开(公告)号：US20200064673A1
公开(公告)日：2020-02-27
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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9.发明申请公开(公告)号：US20190047249A1
公开(公告)日：2019-02-14
申请号：US16161434
申请日：2018-10-16
Applicant: FUJIFILM Corporation
Inventor： Masaaki SUZUKI , Tatsuya IWASAKI , Katsuyuki TAKADA
IPC: B32B5/30 , B32B27/30 , B32B27/38 , G02F1/1335 , G02B5/30 , G02F1/1333 , G06F3/041
Abstract: A laminated film having a haze of 1.0% or less and including two kinds of silica particles (silica particles A and silica particles B) in a cured layer, wherein the occupied area proportion of the silica particles A on a cross-sectional TEM image of the cured layer is 0.5% to 20.0% and satisfies the following relationship with the occupied area proportion of the silica particles B: 0.005≤occupied area proportion of silica particles A/occupied area proportion of silica particles B≤0.400, the variation coefficient of the occupied area proportion of the silica particles A on the cross-sectional TEM image of the cured layer is more than 0.5% and 3.0% or less, and the variation coefficient of the occupied area proportion of the silica particles B is 0.0% to 0.5%; a production method thereof; a polarizing plate; a liquid crystal panel; a liquid crystal display; and a touch panel.
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公开(公告)号：US20150036086A1
公开(公告)日：2015-02-05
申请号：US14444414
申请日：2014-07-28
Applicant: FUJIFILM Corporation
Inventor： Tatsuya IWASAKI
IPC: G02F1/13363 , G02F1/1335
CPC classification number: G02F1/133632 , G02F1/133528 , G02F1/133634 , G02F2001/133738 , G02F2413/13
Abstract: A liquid crystal display device includes: a first polarizer; a liquid crystal cell including a liquid crystal layer containing liquid crystal molecules aligned in parallel with a substrate of the liquid crystal cell; a first compensation film; and a second polarizer, wherein, as viewed perpendicularly to the substrate, an absorption axis of the first polarizer is parallel with an optical axis of the first compensation film, and an angle φ between the absorption axis of the first polarizer and an optical axis of the liquid crystal layer satisfies 0°
Abstract translation: 一种液晶显示装置，包括：第一偏振器; 液晶单元，包括含有与液晶单元的基板平行排列的液晶分子的液晶层; 第一补偿片; 以及第二偏振器，其中，垂直于所述基板观察，所述第一偏振片的吸收轴与所述第一补偿膜的光轴平行，并且所述第一偏振片的角度＆ 在第一偏振片的吸收轴与液晶层的光轴之间，在沿着第一偏振片的透射轴观察的液晶单元的截面中，满足0°
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