公开(公告)号：US20220214576A1

公开(公告)日：2022-07-07

申请号：US17701033

申请日：2022-03-22

Applicant: FUJIFILM Corporation

Inventor： Nobuhiko ICHIHARA ,  Hirofumi TOYAMA

IPC: G02F1/137 ,  G02F1/1337

Abstract: Provided is a new optical element that can be used for various applications. The optical element includes: a liquid crystal layer where a liquid crystal compound is aligned; and a polymer layer that is laminated on the liquid crystal layer, in which the optical element is reversibly switchable between a reference form and a first form where a film thickness distribution of the liquid crystal layer is less than that of the reference form.

公开(公告)号：US20220109128A1

公开(公告)日：2022-04-07

申请号：US17549585

申请日：2021-12-13

Applicant: FUJIFILM Corporation

Inventor： Nobutaka FUKAGAWA ,  Hirofumi TOYAMA ,  Daisuke SASAKI ,  Yoshihiro JIMBO

IPC: H01L51/52 ,  C08L25/06 ,  C08K5/3445 ,  C08K5/353 ,  C09B67/22 ,  C09B57/00 ,  C09B23/16 ,  G02B1/04

Abstract: There are provided a wavelength selective absorption filter including a resin, and four types of dyes A to D each having a main absorption wavelength range in different specific wavelength regions, in which an absorbance Ab (λ) of the wavelength selective absorption filter at a wavelength λ nm satisfies specific Relational Expressions (I) to (VI), and an organic electroluminescent display device.

公开(公告)号：US20160291212A1

公开(公告)日：2016-10-06

申请号：US15083835

申请日：2016-03-29

Applicant: FUJIFILM Corporation

Inventor： Jun ISHIYAMA ,  Masaki HACHIYA ,  Hirofumi TOYAMA

IPC: G02B1/14 ,  G02B5/30 ,  C08J5/18

CPC classification number: G02B1/14 ,  B32B7/10 ,  G02B5/305

Abstract: There is provided a cellulose acylate film including a core layer and a skin layer, in which a mixed layer is formed between the core layer and the skin layer, wherein a cellulose acylate included in the core layer has an average acyl substitution degree S2 of 2.00 to 2.55, a cellulose acylate included in the skin layer has an average acyl substitution degree S3 of 2.60 to 2.95, and an average acyl substitution degree S1 of the cellulose acylate of the mixed layer satisfies Equation (A1), and the mixed layer has a thickness of 100 nm to 300 nm: Equation (A1): S2+0.05×(S3−S2)

Abstract translation: 提供了一种纤维素酰化物膜，其包括芯层和表皮层，其中在芯层和表皮层之间形成混合层，其中包含在芯层中的纤维素酰化物的平均酰基取代度S2为2.00 包含在皮层中的纤维素酰化物的平均酰基取代度S3为2.60〜2.95，混合层的纤维素酰化物的平均酰基取代度S1满足式（A1），混合层为 100nm〜300nm的厚度：等式（A1）：S2 + 0.05×（S3-S2）

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：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：US20170248748A1

公开(公告)日：2017-08-31

申请号：US15593903

申请日：2017-05-12

Applicant: FUJIFILM Corporation

Inventor： Ryo SATAKE ,  Hideaki ITO ,  Makoto KAMO ,  Takashi YONEMOTO ,  Hirofumi TOYAMA

IPC: F21V8/00 ,  G02F1/1335 ,  H01L27/32

CPC classification number: G02B6/005 ,  G02B6/0051 ,  G02B6/0055 ,  G02F1/1336 ,  G02F2001/133614 ,  G02F2201/50 ,  G02F2202/36 ,  H01L27/322 ,  H01L27/3232

Abstract: A wavelength conversion member includes: a wavelength conversion layer including at least one kind of quantum dots and a gettering agent, the quantum dots being excited by excitation light to emit fluorescence, and the gettering agent trapping at least one of water or oxygen; and a barrier layer having a moisture permeability of 0.1 g/(m2·day·atm) or lower that is formed on at least one surface of the wavelength conversion layer. The wavelength conversion layer is a layer obtained by curing a polymerizable composition including the quantum dots and the gettering agent.

公开(公告)号：US20150309348A1

公开(公告)日：2015-10-29

申请号：US14792835

申请日：2015-07-07

Applicant: FUJIFILM Corporation

Inventor： Hajime NAKAYAMA ,  Hirofumi TOYAMA ,  Yuta TAKAHASHI

IPC: G02F1/13363 ,  G02B5/30

CPC classification number: G02F1/13363 ,  C08B3/00 ,  C08J5/18 ,  C08J2301/10 ,  G02B1/04 ,  G02B5/305 ,  G02B5/3083 ,  G02F1/133528 ,  G02F1/1393 ,  G02F2001/133531 ,  G02F2001/133637 ,  G02F2001/133638 ,  G02F2202/40 ,  G02F2413/02 ,  Y10T428/1036

Abstract: An optical film is provided and has retardations satisfying relations (1) to (3): 0≦Re(550)≦10;  (1) −25≦Rth(550)≦25; and  (2) |I|+|II|+|III|+|IV|>0.5 (nm),  (3) with definitions: I=Re(450)−Re(550); II=Re(650)−Re(550); III=Rth(450)−Rth(550); and IV=Rth(650)−Rth(550), wherein Re(450), Re(550) and Re(650) are in-plane retardations measured with lights of wavelength of 450, 550 and 650 nm, respectively; and Rth(450), Rth(550) and Rth(650) are retardations in a thickness direction of the optical film, which are measured with lights of wavelength of 450, 550 and 650 nm, respectively.

Abstract translation: 提供了一种光学膜，并具有满足关系式（1）至（3）的延迟：0＆nlE; Re（550）＆nlE; 10; （1）-25＆nlE; Rth（550）＆nlE; 25; 和（2）| I | + | II | + | III | + | IV |> 0.5（nm），（3）具有定义：I = Re（450）-Re（550） II = Re（650）-Re（550）; III = Rth（450）-Rth（550）; 并且IV = Rth（650）-Rth（550），其中Re（450），Re（550）和Re（650）分别是用波长为450,550和650nm的光测量的面内延迟; 和Rth（450），Rth（550）和Rth（650）分别是在450,550和650nm的波长的光下测量的光学膜的厚度方向的延迟。

公开(公告)号：US20200050009A1

公开(公告)日：2020-02-13

申请号：US16654959

申请日：2019-10-16

Applicant: FUJIFILM Corporation

Inventor： Yukito SAITOH ,  Daisuke KASHIWAGI ,  Hirofumi TOYAMA ,  Naoyoshi YAMADA ,  Takashi YONEMOTO ,  Eiichiro AMINAKA

IPC: G02B27/22 ,  G02B5/30 ,  C09K19/36

Abstract: An optical film includes a cholesteric liquid crystal layer formed in a stripe-shaped pattern in which an optically anisotropic region having optical anisotropy and an optically isotropic region having optical isotropy are alternately disposed, a helical axis of a cholesteric liquid crystal in the optically anisotropic region is oriented in one axial direction tin a plane of the optical film, and the helical axis is oriented in a normal direction t of a boundary surface between the optically anisotropic region and the optically isotropic region.

公开(公告)号：US20190251897A1

公开(公告)日：2019-08-15

申请号：US16394704

申请日：2019-04-25

Applicant: FUJIFILM Corporation

Inventor： Hirofumi TOYAMA ,  Tatsuya OBA ,  Takashi YONEMOTO

IPC: G09G3/32 ,  G02F1/1335 ,  G02B5/00 ,  G09G3/36 ,  G09G3/20

CPC classification number: G09G3/32 ,  B82Y20/00 ,  F21S2/00 ,  F21V9/00 ,  F21V9/08 ,  G02B5/003 ,  G02B5/02 ,  G02B5/20 ,  G02F1/133603 ,  G09G3/2003 ,  G09G3/3607

Abstract: Provided are a backlight unit and a light absorbing material-containing film which contains quantum dots or the like and is capable of suppressing in-plane luminance unevenness and chromaticity unevenness; and a backlight unit. The light absorbing material-containing film includes a light absorbing material-containing layer with a resin layer in which one or more concave portions discretely disposed are formed and a plurality of light absorption regions containing light absorbing bodies and disposed in the concave portions formed in the resin layer; a first substrate film laminated on one main surface of the light absorbing material-containing layer; and a second substrate film laminated on the other main surface of the light absorbing material-containing layer, where the light absorption region contains at least one phosphor that serves as the light absorbing body, and a binder.

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。