公开(公告)号：US20230417971A1

公开(公告)日：2023-12-28

申请号：US18331816

申请日：2023-06-08

Applicant: FUJIFILM Corporation

Inventor： Shinichi YOSHINARI ,  Shinya WATANABE ,  Naoya SHIBATA ,  Wataru HOSHINO

IPC: G02B5/30 ,  G02F1/13363 ,  G02F1/1335

CPC classification number: G02B5/3083 ,  G02F1/133528 ,  G02F1/13363 ,  G02B5/3016

Abstract: A light absorption anisotropic film that displays a bright, clear image in a desired direction and makes the image invisible from other than the desired direction using an image display device, a viewing angle control system formed of the light absorption anisotropic film, and an image display device formed of the light absorption anisotropic film. The light absorption anisotropic film includes a light absorption anisotropic layer that contains a liquid crystal compound and an organic dichroic substance, where an angle between an alignment direction of a light absorption axis of the organic dichroic substance on one surface and on the other surface of the light absorption anisotropic layer and a normal line of the light absorption anisotropic layer is defined as θA and θB, a difference between the angle θA and the angle θB is 15° or less, and the angle θA is 5° or greater and less than 45°.

公开(公告)号：US20200292878A1

公开(公告)日：2020-09-17

申请号：US16885749

申请日：2020-05-28

Applicant: FUJIFILM Corporation

Inventor： Megumi SEKIGUCHI ,  Takashi TAMADA ,  Shinya WATANABE

IPC: G02F1/1335 ,  F21S2/00 ,  G02B5/00

Abstract: A louver film, a planar light source device, and a liquid crystal display device enables further improvement of directivity for visibility while light use efficiency is maintained and also enable improvement of viewing angle contrast and halo. The louver film includes a plurality of lenses which are arranged at a constant pitch on an emission side of a light source; a first support disposed on a side closer to the light source than the lenses and has a thickness greater than or equal to the pitch of the lenses and a refractive index of 1.5 or greater; and a light reflecting layer disposed on a side closer to the light source than the first support and has a reflectivity of 90% or greater and openings on optical axes of the plurality of lenses, and the opening ratio of each opening is in a range of 30% to 70%.

公开(公告)号：US20150158987A1

公开(公告)日：2015-06-11

申请号：US14619500

申请日：2015-02-11

Applicant: FUJIFILM Corporation

Inventor： Hirofumi TOYAMA ,  Shinya WATANABE ,  Shusuke ARITA ,  Mitsutoshi TANAKA

IPC: C08J5/18 ,  G02B5/30 ,  G02B1/14 ,  G02F1/1335

CPC classification number: C08J5/18 ,  C08J2301/02 ,  C08J2301/10 ,  C08K5/12 ,  C08K5/1535 ,  C08K5/1545 ,  C08L1/10 ,  G02B1/14 ,  G02B5/3033 ,  G02F1/1335 ,  G02F1/133528 ,  Y10T428/105 ,  Y10T428/24975 ,  Y10T428/264 ,  C08L67/02

Abstract: Provided is a cellulose acylate film that barely causes display unevenness when the cellulose acylate film is incorporated into a liquid crystal display. The cellulose acylate film includes a cellulose acylate having a total degree of acyl substitution of 2.0 to 2.35 and having a thickness of 20 to 39 μm. The film includes (Component 1) a sugar ester compound having one to six of at least one kind of pyranose and furanose structures, the OH groups of the pyranose and furanose structures being partially esterified with an aromatic organic acid (wherein the ratio A/B of the esterified rate A of the OH groups in the sugar ester compound to the acylated rate B of the OH groups in the cellulose acylate is 0.55 to 0.95); and (Component 2) an aromatic ester oligomer.

Abstract translation: 提供了当将纤维素酰化物膜并入液晶显示器时几乎不引起显示不均匀的纤维素酰化物膜。 纤维素酰化物膜包括总酰基取代度为2.0〜2.35，厚度为20〜39μm的纤维素酰化物。 该膜包括（组分1）具有1-6个至少一种吡喃糖和呋喃糖结构的糖酯化合物，吡喃糖和呋喃糖结构的OH基部分被芳族有机酸部分酯化（其中A / B比 糖酯化合物中OH基团的酯化速率A与酰化纤维素中OH基团的酰化率B为0.55〜0.95）; 和（组分2）芳族酯低聚物。

公开(公告)号：US20140318413A1

公开(公告)日：2014-10-30

申请号：US14327193

申请日：2014-07-09

Applicant: FUJIFILM Corporation

Inventor： Nobutaka FUKAGAWA ,  Masato NAGURA ,  Takayasu YASUDA ,  Takahiro OHNO ,  Satoshi TANAKA ,  Aiko YAMAMOTO ,  Aiko YOSHIDA ,  Shinya WATANABE

IPC: C08L1/10

CPC classification number: G02B5/3083 ,  B32B23/08 ,  B32B23/20 ,  B32B27/06 ,  B32B27/18 ,  B32B27/30 ,  C08B3/22 ,  C08B15/005 ,  C08J5/18 ,  C08J2301/10 ,  C08K5/103 ,  C08K5/151 ,  C08K5/34 ,  C08L1/10 ,  C08L1/12 ,  C08L1/14 ,  Y10T428/10 ,  Y10T428/1036 ,  Y10T428/1041 ,  C08L67/02

Abstract: Provide is a cellulose acylate film, of which the environmental humidity-dependent retardation change is small and which, when stuck to a polarizer and used in high-temperature and high-humidity environments, is effective for preventing the polarizing element from being deteriorated. A cellulose acylate film, which contains a hydrogen-bonding compound satisfying the following requirements (A) to (C), and at least one hydrophobizing agent selected from a polyalcohol ester-base hydrophobizing agent, a polycondensate ester-base hydrophobizing agent and a carbohydrate derivative-base hydrophobizing agent: (A) the compound has both a hydrogen-bonding donor part and a hydrogen-bonding acceptor part in one molecule, (B) the value computed by dividing the molecular weight of the compound by the total number of the hydrogen-bonding donor number and the hydrogen-bonding acceptor number in the compound is from 30 to 65, and (C) the total number of the aromatic ring structures in the compound is from 1 to 3.

Abstract translation: 提供一种纤维素酰化物膜，其环境湿度依赖性延迟变化小，并且当粘附到偏振器并在高温和高湿度环境中使用时，对防止偏振元件劣化是有效的。 含有满足以下要求（A）至（C）的氢键化合物的纤维素酰化物膜和至少一种选自多元醇酯基疏水化剂，缩聚酯酯基疏水化剂和碳水化合物的疏水化剂 衍生物基疏水化剂：（A）该化合物在一个分子中具有氢键供体部分和氢键受体部分，（B）将化合物的分子量除以总数 化合物中的氢键供体数和氢键受体数为30〜65，（C）化合物中芳环结构的总数为1〜3。

公开(公告)号：US20250044481A1

公开(公告)日：2025-02-06

申请号：US18913630

申请日：2024-10-11

Applicant: FUJIFILM Corporation

Inventor： Keigo UEKI ,  Akihiro ANZAI ,  Shinya WATANABE

IPC: G02B1/08 ,  G02B5/30 ,  G02B27/01

Abstract: The present invention provides a reflection film which has excellent curved surface followability during bonding to an object to be bonded, exhibits excellent abrasion resistance after bonding, and further has excellent reflection characteristics; a windshield glass; a laminate; and an image display system. The reflection film of the present invention includes, in the following order, a pressure-sensitive adhesive layer, a reflective layer reflecting light in a wavelength-selective manner, and a hardcoat layer.

公开(公告)号：US20240264349A1

公开(公告)日：2024-08-08

申请号：US18612697

申请日：2024-03-21

Applicant: FUJIFILM Corporation

Inventor： Eiichiro AMINAKA ,  Shinya WATANABE

IPC: G02B5/30

CPC classification number: G02B5/3016

Abstract: A circularly polarizing plate capable of suppressing occurrence of light leakage at a corner portion in a display device and suppressing the corner portion from being conspicuous in a reflected image when the circularly polarizing plate is used in a self-luminous display device in a high-temperature and changing humidity environment; and a self-luminous display device. The circularly polarizing plate includes, in order, a retardation layer, and first and second light-absorbing anisotropic layers, where a support is not provided between any of the three layers; the first light-absorbing anisotropic layer has an absorption axis in a plane of the first light-absorbing anisotropic layer; an angle θ between a transmittance central axis of the second light-absorbing anisotropic layer and a normal direction to the second light-absorbing anisotropic layer surface is 0° or more and 45θ or less; and a thermal shrinkage force of the circularly polarizing plate is 5 N/m or less.

公开(公告)号：US20240142685A1

公开(公告)日：2024-05-02

申请号：US18528212

申请日：2023-12-04

Applicant: FUJIFILM Corporation

Inventor： Naoya NISHIMURA ,  Shinya WATANABE ,  Fumitake MITOBE ,  Shinichi YOSHINARI

IPC: G02B5/30 ,  G02B1/08

CPC classification number: G02B5/3016 ,  G02B1/08

Abstract: An optical film that, when being used in an image display device, it is possible to suppress a change in redness with respect to an original image in images reflected in surroundings, a manufacturing method of a light absorption anisotropic layer, and an image display device. The optical film includes a light absorption anisotropic layer which contains a liquid crystalline compound and a dichroic substance, in which an angle θ between a transmittance central axis of the light absorption anisotropic layer and a normal direction of a surface of the light absorption anisotropic layer is 0° or more and 45° or less, and a haze value of the optical film is more than 1% and 20% or less.

公开(公告)号：US20180045870A1

公开(公告)日：2018-02-15

申请号：US15726881

申请日：2017-10-06

Applicant: FUJIFILM Corporation

Inventor： Miho ASAHI ,  Ayako MATSUMOTO ,  Shuntaro IBUKI ,  Shinya WATANABE ,  Hajime NAKAYAMA ,  Naoya SHIBATA

IPC: G02B5/30 ,  B32B27/22 ,  G02F1/1335

CPC classification number: G02B5/3033 ,  B32B27/00 ,  B32B27/18 ,  B32B27/22 ,  C08J7/04 ,  G02B1/14 ,  G02B5/3083 ,  G02F1/133502 ,  G02F1/133528 ,  G09F9/00

Abstract: A transparent film includes: a base material; and at least one scratch resistant layer of which indentation hardness is 300 MPa or greater and of which a thickness is 50 to 1,000 nm on an outermost surface of the transparent film at one side or both sides of the base material, and a number of times of folding endurance of the transparent film measured by an MIT testing machine according to JIS P8115 (2001) is 1,000 times or greater.

公开(公告)号：US20160187551A1

公开(公告)日：2016-06-30

申请号：US14978164

申请日：2015-12-22

Applicant: FUJIFILM Corporation

Inventor： Fumitake MITOBE ,  Shinya WATANABE ,  Katsumi SASATA ,  Hajime NAKAYAMA

IPC: G02B5/30 ,  G02B1/14 ,  C08J5/18 ,  G02F1/1335

CPC classification number: C08J5/18 ,  C08J2345/00 ,  G02B1/14 ,  G02B5/3033 ,  G02B5/3083 ,  G02F1/133528

Abstract: There is provided an optical film including: a layer A containing a cyclic olefin-based resin; and a layer B containing a cyclic olefin-based resin, and having a thickness thinner than a thickness of the layer A, wherein a glass transition temperature Tg[B] of the layer B is lower than a glass transition temperature Tg[A] of the layer A.

Abstract translation: 提供了一种光学膜，包括：含有环状烯烃类树脂的层A; 和含有环状烯烃类树脂的层B，其厚度比层A的厚度薄，其中B层的玻璃化转变温度Tg [B]低于玻璃化转变温度Tg [A] 层A.

公开(公告)号：US20240151888A1

公开(公告)日：2024-05-09

申请号：US18540153

申请日：2023-12-14

Applicant: FUJIFILM Corporation

Inventor： Fumitake MITOBE ,  Shinya WATANABE ,  Naoya NISHIMURA

IPC: G02B5/30 ,  G02B1/08

CPC classification number: G02B5/3016 ,  G02B1/08

Abstract: The present invention provides a A light absorption anisotropic film that, in a case of being applied to an image display device, it is possible to suppress redness of an image originating from the image display device, which is reflected on surrounding members arranged around the image display device; and an optical film and an image display device. The light absorption anisotropic film of the present invention is a light absorption anisotropic film is formed of a composition containing a liquid crystal compound and a dichroic substance, in which the light absorption anisotropic film has two main surfaces facing each other, an angle between a normal direction of the main surface of the light absorption anisotropic film and a transmittance central axis of the light absorption anisotropic film is 0° to 45°, and predetermined requirements are satisfied depending on the angle.