公开(公告)号：US20190194530A1

公开(公告)日：2019-06-27

申请号：US16287256

申请日：2019-02-27

Applicant: FUJIFILM Corporation

Inventor： Megumi SEKIGUCHI ,  Tatsuya OBA ,  Kenichi KAKISHITA ,  Masayuki KUSUMOTO ,  Natsuru CHIKUSHI

IPC: C09K11/02 ,  F21V8/00

CPC classification number: C09K11/02 ,  C09K11/56 ,  C09K11/70 ,  F21S2/00 ,  G02B5/20 ,  G02B6/005 ,  H01L33/50

Abstract: A phosphor-containing film contains a phosphor such as a quantum dot and is capable of suppressing deterioration of phosphor even where the film is formed into a laminated structure; and a backlight unit including the phosphor-containing film as a wavelength converting member. The film includes: a phosphor-containing layer in which a plurality of fluorescent regions, each of which contains a phosphor that deteriorates through reaction with oxygen when exposed to oxygen, are discretely arranged and a resin layer having impermeability to oxygen is arranged among the plurality of the discretely arranged fluorescent regions; and a first substrate film and a second substrate film, which are respectively laminated on both main surfaces of the phosphor-containing layer, in which the resin layer has a Knoop hardness of 115 N/mm2 to 285 N/mm2, a creep recovery rate of 22% or less, and an elastic recovery rate of 60% or more.

公开(公告)号：US20240021012A1

公开(公告)日：2024-01-18

申请号：US18474861

申请日：2023-09-26

Applicant: FUJIFILM Corporation

Inventor： Ryoji HIMENO ,  Shinichi MORISHIMA ,  Yuki HIRAI ,  Makoto KAMO ,  Megumi SEKIGUCHI

IPC: G06V40/13 ,  G02B5/20

CPC classification number: G06V40/1318 ,  G02B5/208

Abstract: A fingerprint recognition sensor having an excellent S/N ratio and capable of realizing thinning and an optical element including the fingerprint recognition sensor. The fingerprint recognition sensor includes a light-receiving element; and an optical element including a near infrared absorbing dichroic substance, in which a fingerprint reading surface is positioned on a side of the optical element opposite to the light-receiving element side. The optical element has an absorption axis with respect to near infrared light in an in-plane direction. When linearly polarized light of near infrared light orthogonal to the absorption axis is radiated from a normal direction of the optical element and from a direction inclined by 45° from the normal direction at an azimuthal angle orthogonal to the absorption axis, an absorbance during the radiation from the direction inclined by 45° from the normal direction is more than an absorbance during the radiation from the normal direction.

公开(公告)号：US20170162133A1

公开(公告)日：2017-06-08

申请号：US15434727

申请日：2017-02-16

Applicant: FUJIFILM Corporation

Inventor： Megumi SEKIGUCHI ,  Makoto KAMO

IPC: G02F1/1335

CPC classification number: G02F1/13362 ,  G02B6/00 ,  G02B6/005 ,  G02B6/0056 ,  G02F1/133621 ,  G02F2001/133614 ,  G02F2202/36

Abstract: An aspect of the present invention relates to a backlight unit, including: a polarized light source unit which is capable of allowing polarized light to exit; and a condensing sheet which is disposed on the polarized light source unit on an exiting side, in which a depolarization degree of the condensing sheet is less than or equal to 0.1500, and a liquid crystal display device, including: the backlight unit; and a liquid crystal panel.

公开(公告)号：US20150378073A1

公开(公告)日：2015-12-31

申请号：US14753513

申请日：2015-06-29

Applicant: FUJIFILM Corporation

Inventor： Takahiro OHNO ,  Tatsuya OBA ,  Yoshitaka MAEDA ,  Xiao LING ,  Shun INOUE ,  Megumi SEKIGUCHI ,  Yohei TAKAHASHI

IPC: G02B5/30 ,  G02F1/1335

CPC classification number: G02B5/305

Abstract: A polarizing plate includes an outer protective film and a polarizer. The sum S of the product of the modulus of elasticity and the cube of the thickness in each layer is up to 150,000 Pa·mm3, and the value obtained by dividing the sum S by the Knoop hardness k of the outer protective film is 200 or more but up to 450. The polarizing plate is excellent in surface pencil hardness even when its thickness is reduced.

Abstract translation: 偏振片包括外保护膜和偏振片。 每层的弹性模量和厚度立方体的乘积S高达150,000Pa·mm3，通过将外部保护膜的总计S除以Knoop硬度k得到的值为200或 更高达450.偏振片即使在其厚度减小时也具有优异的表面铅笔硬度。

公开(公告)号：US20150212368A1

公开(公告)日：2015-07-30

申请号：US14683414

申请日：2015-04-10

Applicant: FUJIFILM Corporation

Inventor： Takashi YONEMOTO ,  Hiromichi FURUKAWA ,  Takahiro OHNO ,  Megumi SEKIGUCHI ,  Mitsuo OSATO ,  Kenichi FUKUDA ,  Daiki WAKIZAKA

IPC: G02F1/1335

CPC classification number: G02F1/133528 ,  G02B5/3025 ,  G02F1/1336 ,  G02F2001/133311 ,  G02F2201/54

Abstract: There is provided a liquid crystal display including: a liquid crystal cell in which a liquid crystal layer is installed between two glass substrates; polarizing plates on both surfaces of the liquid crystal cell; and a backlight at a rear side of the liquid crystal cell, which is a non-visual side, wherein in a polarizing plate at a front side of the liquid crystal cell, which is a visual side, a difference in a moisture content of the polarizing plate at the front side under a specific condition in elapse of time is 0.01% or more and 3.0% or less.

Abstract translation: 提供了一种液晶显示器，包括：液晶单元，其中液晶层安装在两个玻璃基板之间; 在液晶单元的两个表面上的偏振片; 以及作为非视觉侧的液晶单元的后侧的背光源，其中在作为视觉侧的液晶单元的前侧的偏振板中，水分含量的差异 在特定条件下在正面的偏振片经过时间为0.01％以上且3.0％以下。

公开(公告)号：US20240272362A1

公开(公告)日：2024-08-15

申请号：US18633938

申请日：2024-04-12

Applicant: FUJIFILM Corporation

Inventor： Yukito SAITOH ,  Makoto KAMO ,  Megumi SEKIGUCHI ,  Yujiro YANAI

IPC: G02B6/27

CPC classification number: G02B6/2713

Abstract: An object is to provide an optical coupling system having a simplified structure and a small size and an optical communication device using the optical coupling system. The object is achieved by an optical coupling system that couples a multi-core fiber and coupled devices to each other using a combination of a polarized light beam control element facing a light incident and emission surface of a multi-core fiber and a polarization-selective diffraction element that is positioned on a side of the polarized light beam control element opposite to the emission surface of the multi-core fiber and that faces the coupled devices.

公开(公告)号：US20190194531A1

公开(公告)日：2019-06-27

申请号：US16288503

申请日：2019-02-28

Applicant: FUJIFILM Corporation

Inventor： Tatsuya OBA ,  Natsuru CHIKUSHI ,  Kenichi KAKISHITA ,  Masayuki KUSUMOTO ,  Ryo SATAKE ,  Megumi SEKIGUCHI

IPC: C09K11/02 ,  F21V8/00

CPC classification number: C09K11/02 ,  F21S2/00 ,  G02B5/20 ,  G02B6/005 ,  H01L33/50

Abstract: A phosphor-containing film capable of suppressing deterioration of phosphor and capable of suppressing generation of luminescent spots and the reduction in luminance due to a defect of the resin layer. The film includes: a phosphor-containing layer having a resin layer which has impermeability to oxygen and is provided with a plurality of discretely arranged concave portions, and a plurality of fluorescent regions, each of which is arranged in the concave portion of the resin layer and contains a phosphor that deteriorates through a reaction with oxygen when exposed to oxygen; and a first substrate film and a second substrate film, which are respectively laminated on one main surface and the other main surface of the phosphor-containing layer, in which the fluorescent regions contain a binder and quantum dots serving as the phosphor.

公开(公告)号：US20170017022A1

公开(公告)日：2017-01-19

申请号：US15278552

申请日：2016-09-28

Applicant: FUJIFILM Corporation

Inventor： Takashi YONEMOTO ,  Yukito SAITOH ,  Megumi SEKIGUCHI

IPC: G02B5/02 ,  F21V8/00

CPC classification number: G02B5/0242 ,  G02B6/005 ,  G02B6/0051 ,  G02F1/1336 ,  G02F2001/133614 ,  G02F2202/36

Abstract: Disclosed is an optical conversion member, including an optical conversion layer containing quantum dot emitting fluorescent light and an anisotropic light scattering layer having I (0°)/I (40°) of 3 or greater, in which I (0°) indicates a transmission light intensity of the anisotropic light scattering layer at the time of allowing light to be incident on the anisotropic light scattering layer from a normal direction of a surface of the anisotropic light scattering layer, and I (40°) indicates a transmission light intensity of the anisotropic light scattering layer in an azimuth in which a transmission light intensity of the anisotropic light scattering layer at the time of allowing light to be incident on the anisotropic light scattering layer from a direction of a tilt angle of 40° with respect to the normal direction of the surface of the anisotropic light scattering layer becomes a minimum value.

Abstract translation: 公开了一种光转换构件，其包括含有量子点发射荧光的光转换层和I（0°）/ I（40°）为3以上的各向异性光散射层，其中I（0°）表示 允许光从各向异性光散射层的表面的法线入射到各向异性光散射层时的各向异性光散射层的透射光强度和I（40°）表示透射光强度 在各向异性光散射层的透射光强度的允许光从入射到各向异性光散射层的倾斜角为40°的方向相对于正常的方向的各向异性光散射层 各向异性光散射层的表面的方向成为最小值。

公开(公告)号：US20150301403A1

公开(公告)日：2015-10-22

申请号：US14687095

申请日：2015-04-15

Applicant: FUJIFILM Corporation

Inventor： Tatsuya OBA ,  Yoshitaka MAEDA ,  Xiao LING ,  Shun INOUE ,  Takahiro OHNO ,  Yohei TAKAHASHI ,  Megumi SEKIGUCHI

IPC: G02F1/1335 ,  G02B1/14

CPC classification number: G02F1/133528 ,  B29D11/00644 ,  B29D11/0073 ,  G02B1/14 ,  G02B5/3033

Abstract: A polarizing plate includes: a polymer film; a polarizer; and a stress relaxation layer disposed between the polymer film and the polarizer, wherein a relationship of the following Expression (1) is satisfied, a thickness of the polymer film is equal to or greater than 10 μm, a distance(Ds) from the surface of the polarizing plate on the side of the polymer film to the interface between the polymer film and the stress relaxation layer is equal to or greater than 15 μm, a difference between the distance(Ds) and a thickness(C) of the polymer film is less than 15 μm, and a total thickness of the polymer film and the stress relaxation layer is equal to or less than 80 μm, 0.01

Abstract translation: 偏振片包括：聚合物膜; 偏振片 以及设置在聚合物膜和偏振片之间的应力松弛层，其中满足以下表达式（1）的关系，聚合物膜的厚度等于或大于10μm，距表面的距离（Ds） 聚合物膜侧的偏振片与聚合物膜与应力缓和层之间的界面的厚度等于或大于15μm，聚合物膜的距离（Ds）和厚度（C）之间的差异 小于15μm，聚合物膜和应力松弛层的总厚度等于或小于80μm，0.01