公开(公告)号：US20230096684A1

公开(公告)日：2023-03-30

申请号：US18050371

申请日：2022-10-27

Applicant: FUJIFILM Corporation

Inventor： Natsuru CHIKUSHI ,  Tatsuya OBA ,  Hirofumi TOYAMA

IPC: C08F20/06 ,  B82Y20/00 ,  C08K5/37 ,  C08K5/101 ,  C09K11/56 ,  C09K19/38

Abstract: Provided is a polymerizable composition including a quantum dot, a polyfunctional thiol, a first (meth)acrylate, and a second (meth)acrylate, in which the first (meth)acrylate is a polyfunctional (meth)acrylate, the second (meth)acrylate is a mono- or higher functional (meth)acrylate having a functional group selected from the group consisting of a carboxy group, a hydroxy group, a phosphate group, and an amino group, and a molecular weight of the second (meth)acrylate is equal to or less than a molecular weight of the polyfunctional thiol.

公开(公告)号：US20210388258A1

公开(公告)日：2021-12-16

申请号：US17458940

申请日：2021-08-27

Applicant: FUJIFILM Corporation

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

IPC: C09K11/02 ,  C09K11/70 ,  H01L33/50 ,  G02B5/20 ,  F21V8/00

Abstract: A phosphor-containing film including a phosphor such as a quantum dot and is capable of suppressing the deterioration of the 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 the 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：US20200310195A1

公开(公告)日：2020-10-01

申请号：US16902590

申请日：2020-06-16

Applicant: FUJIFILM Corporation

Inventor： Akiko WATANO ,  Tatsuya OBA ,  Hirofumi TOYAMA ,  Takashi YONEMOTO

IPC: G02F1/13357 ,  H01L33/50

Abstract: A wavelength conversion member suppresses peeling at an edge at cutting; and is used with a backlight unit and a liquid crystal display device. The wavelength conversion member includes a first substrate, a wavelength conversion layer, and a second substrate, in which each of the first and second substrates includes a support, a barrier layer, and an organic layer, where each of the barrier layers contains at least aluminum and phosphorus, each of the organic layers is formed of a composition containing a polymer A having a glass transition temperature of 50° C. or lower and a polymer B having an acryloyl or methacryloyl group in a molecule thereof, and the wavelength conversion layer is a layer in which at least one selected from the group consisting of a quantum dot, a phosphor particle, and a phosphor coloring agent is dispersed in a matrix made of an acrylic resin.

公开(公告)号：US20180163318A1

公开(公告)日：2018-06-14

申请号：US15892646

申请日：2018-02-09

Applicant: FUJIFILM Corporation

Inventor： Makoto KAMO ,  Tatsuya OBA ,  Masayuki KUSUMOTO

IPC: C25D5/56 ,  C23C14/20 ,  C23C14/34 ,  C25D3/38

CPC classification number: C25D5/56 ,  B32B3/02 ,  B32B7/02 ,  C23C14/205 ,  C23C14/34 ,  C23C28/00 ,  C25D3/38 ,  C25D7/00

Abstract: Provided is a laminated film which is capable of preventing quantum dots from being deteriorated due to moisture or oxygen and therefore has high durability, and is capable of narrowing the frame and therefore has high productivity. More specifically, provided is a laminated film, including a functional layer laminate having an optical functional layer and a gas barrier layer laminated on at least one main surface of the optical functional layer, and an edge face sealing layer formed so as to cover at least a part of an edge face of the functional layer laminate, in which a surface roughness Ra of the edge face of the functional layer laminate in a formation region of the edge face sealing layer is 0.1 to 2 μm and a thickness of the edge face sealing layer is 1 to 5 μm.

公开(公告)号：US20180123085A1

公开(公告)日：2018-05-03

申请号：US15848997

申请日：2017-12-20

Applicant: FUJIFILM Corporation

Inventor： Kenichi KAKISHITA ,  Satoshi KUNIYASU ,  Kyohisa UCHIUMI ,  Makoto KAMO ,  Tatsuya OBA

IPC: H01L51/52 ,  H01L51/50 ,  G02F1/017 ,  B82Y20/00

CPC classification number: H01L51/5253 ,  B32B3/02 ,  B81B2201/047 ,  B81C1/00206 ,  B82Y20/00 ,  G02B1/14 ,  G02B5/20 ,  G02F1/01708 ,  G02F2001/01791 ,  H01L33/50 ,  H01L51/502

Abstract: The present invention provides a functional film having an optical functional layer that exhibits an optical function and is capable of suppressing deterioration of the optical functional layer, and a method thereof. The functional film includes an optical functional layer, a resin layer which surrounds end surfaces of the optical functional layer, and gas barrier supports between which the optical functional layer and the resin layer are sandwiched, in which an oxygen permeability of the resin layer is 10 cc/(m2·day·atm) or less, and a difference between a thickness of the optical functional layer and the resin layer is within 30%; and a production method including forming a frame-shaped resin layer on a surface of a first gas barrier support, filling the inside of the frame with a polymerizable composition which becomes an optical functional layer, laminating a second gas barrier support on the resin layer, and curing the polymerizable composition.

公开(公告)号：US20170321115A1

公开(公告)日：2017-11-09

申请号：US15660312

申请日：2017-07-26

Applicant: FUJIFILM Corporation

Inventor： Ryo SATAKE ,  Makoto KAMO ,  Naoyoshi YAMADA ,  Tatsuya OBA

IPC: C09K11/02 ,  G02B5/12 ,  F21V9/16

CPC classification number: C09K11/02 ,  F21V9/30 ,  G02B5/12 ,  G02F2001/133614 ,  G02F2201/50 ,  G02F2202/36 ,  H01L33/50 ,  H01L33/501

Abstract: Provided is a wavelength conversion member including: a wavelength conversion layer including at least one kind of quantum dots that are excited by excitation light to emit fluorescence and are dispersed in an organic matrix; an intermediate layer that is provided adjacent to at least one main surface of the wavelength conversion layer; and a barrier layer that is provided adjacent to a main surface of the intermediate layer opposite to the wavelength conversion layer and includes silicon nitride and/or silicon oxynitride as a major component, in which the organic matrix is obtained by curing a curable composition including at least an alicyclic epoxy compound, and the intermediate layer includes a chemical structure A which is bonded to silicon nitride and/or silicon oxynitride as a major component of the barrier layer and a chemical structure B which is bonded to the organic matrix.

公开(公告)号：US20170248809A1

公开(公告)日：2017-08-31

申请号：US15593914

申请日：2017-05-12

Applicant: FUJIFILM Corporation

Inventor： Tatsuya OBA ,  Tomonari OGAWA ,  Keisuke OKU

IPC: G02F1/1335 ,  F21V8/00

CPC classification number: G02F1/1336 ,  F21V9/30 ,  G02B6/005 ,  G02F1/1303 ,  G02F2001/133614 ,  G02F2202/36

Abstract: The wavelength conversion member includes: a first substrate; a second substrate; and a wavelength conversion layer disposed between the first substrate and the second substrate and including quantum dots which are excited by excitation light to emit fluorescence. The wavelength conversion layer is a cured layer obtained by curing a polymerizable composition which includes the quantum dots and a polymerizable compound having a molecular weight of 200 or lower, and the number of bubble-shaped defects having a diameter of 0.1 mm or more in the wavelength conversion layer is less than 10 per 100 cm2.

公开(公告)号：US20150378089A1

公开(公告)日：2015-12-31

申请号：US14751832

申请日：2015-06-26

Applicant: FUJIFILM Corporation

Inventor： Tatsuya OBA ,  Makoto KAMO

IPC: F21V8/00 ,  G02F1/1335

CPC classification number: G02F1/1336 ,  G02B6/0023 ,  G02B6/005 ,  G02F2001/133614 ,  G02F2001/133624

Abstract: A backlight unit including a light-emitting element and a member that selectively reduces an amount of emitted light, and wherein the light-emitting element includes a light source and a wavelength conversion member, and the wavelength conversion member includes at least one fluorescent material, the light-emitting element has a property of emitting blue light, green light, and red light, and the blue light has an emission intensity peak with an emission center wavelength falling within a wavelength range of 430 nm to 480 nm, the green light has an emission intensity peak with an emission center wavelength falling within a wavelength range of 520 nm to 560 nm and a half width exceeding 50 nm, and the red light has an emission intensity peak with an emission center wavelength falling within a wavelength range of 600 nm to 680 nm and a half width exceeding 50 nm.

Abstract translation: 一种背光单元，包括发光元件和选择性地减少发射光量的构件，并且其中所述发光元件包括光源和波长转换构件，并且所述波长转换构件包括至少一种荧光材料， 发光元件具有发出蓝光，绿光和红光的特性，并且蓝光具有发射中心波长落在430nm至480nm的波长范围内的发光强度峰值，绿光具有 发射中心波长在520nm至560nm的波长范围内并且半宽度超过50nm的发射强度峰值，并且红色光具有发射中心波长落在600nm的波长范围内的发射强度峰值 至680nm，半宽度超过50nm。

公开(公告)号：US20150330603A1

公开(公告)日：2015-11-19

申请号：US14714733

申请日：2015-05-18

Applicant: FUJIFILM CORPORATION

Inventor： Tatsuya OBA ,  Makoto KAMO

IPC: F21V9/16 ,  G02F1/1335

CPC classification number: G02F1/133617 ,  C09K19/14 ,  C09K2019/122 ,  C09K2019/123 ,  F21V9/30 ,  G02F2001/133614 ,  H05B33/20 ,  Y10T428/10

Abstract: An aspect of the present invention relates to a wavelength conversion member, which comprises a wavelength conversion layer, wherein the wavelength conversion layer comprises at least one quantum dot which has a property of being excited with exciting light to emit fluorescence, and at least one oxygen permeability coefficient-reducing agent, an oxygen permeability coefficient per 1 mm thickness of the wavelength conversion layer is less than 150.0 cm3/m2/day/atm, and the oxygen permeability coefficient-reducing agent is a compound which exhibits an oxygen permeability coefficient-reducing capability of reducing the oxygen permeability coefficient per 1 mm thickness of the wavelength conversion layer by equal to or more than 30% per 10 parts by weight of the oxygen permeability coefficient-reducing agent relative to 100 parts by weight of the wavelength conversion layer except for the oxygen permeability coefficient-reducing agent.

Abstract translation: 本发明的一个方面涉及一种包括波长转换层的波长转换部件，其中波长转换层包括至少一个具有被激发光激发以发射荧光的特性的量子点，以及至少一个氧 渗透系数降低剂，波长转换层每1mm厚度的氧透过系数小于150.0cm 3 / m 2 /天/ atm，透氧系数降低剂是表现出氧透过系数降低的化合物 相对于100重量份的波长转换层，除了波长转换层以外，相对于10重量份的氧渗透系数降低剂，每1mm厚度的波长转换层的氧透过系数降低30％以上 氧气渗透系数降低剂。

公开(公告)号：US20150330602A1

公开(公告)日：2015-11-19

申请号：US14713159

申请日：2015-05-15

Applicant: FUJIFILM Corporation

Inventor： Takashi YONEMOTO ,  Hiroyuki YONEYAMA ,  Tatsuya OBA ,  Makoto KAMO ,  Yutaka ADEGAWA

IPC: F21V9/16 ,  C09K11/70 ,  C09K11/02 ,  F21V8/00

CPC classification number: C09K11/703 ,  C09K11/025 ,  F21V9/30 ,  G02B6/0026 ,  G02B6/005 ,  G02B6/0073

Abstract: A wavelength conversion member including a wavelength conversion layer comprising a quantum dot, wherein the wavelength conversion layer includes an organic matrix, and the organic matrix contains a polymer and one or more of compounds selected from the group consisting of compounds represented by general formula (1) and the like; and a quantum dot-containing polymerizable composition containing a quantum dot, a radical polymerizable compound, and one or more of compounds selected from the group consisting of compounds represented by general formula (1) and the like are provided. The wavelength conversion member has an excellent light resistance and the composition has an excellent photocurability which enables a production of a wavelength conversion member containing a quantum dot which has a less tendency to lower its light emission intensity.

Abstract translation: 一种波长转换构件，包括包括量子点的波长转换层，其中所述波长转换层包括有机基质，并且所述有机基质含有聚合物和一种或多种选自由通式（1）表示的化合物 ）等; 提供了含有量子点，自由基聚合性化合物和选自由通式（1）表示的化合物等的一种或多种化合物的量子点可聚合组合物。 该波长转换构件具有优异的耐光性，并且组合物具有优异的光固化性，其能够制造包含量子点的波长转换构件，其具有较低的发光强度降低的倾向。