公开(公告)号：US20160146996A1

公开(公告)日：2016-05-26

申请号：US15001658

申请日：2016-01-20

Applicant: FUJIFILM Corporation

Inventor： Jun TAKEDA ,  Yuki MATSUDA ,  Nobuhiko ICHIHARA

IPC: G02B5/30 ,  G02F1/13363

CPC classification number: G02B5/3016 ,  G02B1/08 ,  G02B1/12 ,  G02B5/3033 ,  G02B5/305 ,  G02F1/133528 ,  G02F1/13363 ,  G02F2001/133633 ,  Y10T428/10 ,  Y10T428/1036

Abstract: There is provided a phase difference film which includes a substrate, an acrylic resin layer, an intermediate layer containing a main component of the substrate and a main component of the acrylic resin layer between the substrate and the acrylic resin layer, and a specific phase difference layer directly on a surface on the opposite side to the intermediate layer of the acrylic resin layer, in which the substrate contains at least one kind of resin selected from a cellulose acylate resin, a cyclic olefin resin, a polycarbonate resin, an acrylic resin, and a styrene resin, the acrylic resin layer contains an acrylic resin having a polar group, the intermediate layer has a thickness of 0.1 μm to 10 μm, and the phase difference layer is formed by polymerizing a polymerizable liquid crystal compound containing a vertical alignment agent.

公开(公告)号：US20160131809A1

公开(公告)日：2016-05-12

申请号：US14995671

申请日：2016-01-14

Applicant: FUJIFILM Corporation

Inventor： Jun TAKEDA ,  Shunya KATOH ,  Michio NAGAI ,  Yoji ITO ,  Masaya SUZUKI

IPC: G02B5/30 ,  G02F1/1337 ,  G02F1/1343 ,  G02F1/13363

CPC classification number: G02B5/3016 ,  G02F1/13363 ,  G02F1/133634 ,  G02F1/1337 ,  G02F1/134363 ,  G02F2001/133633 ,  G02F2001/133738 ,  G02F2001/133742

Abstract: A liquid crystal (LC) display device uses a phase difference film which increases front contrast of the device, and a polarization plate. The film includes a first optical anisotropic layer, and a second optical anisotropic layer thereon, the first layer formed by fixing an LC compound in a homogeneous alignment state, has an order parameter (OP) of 0.75 to 0.95, and layer thickness of 0.3 μm to 3.0 μm, the second layer formed by fixing an LC compound in a homeotropic alignment state, has an OP of 0.60 to 0.95, and layer thickness of 0.3 μm to 3.0 μm, the OP which is denoted by OP=(A∥−A⊥)/(2A⊥+A∥), “A∥” which represents absorbance of the LC compound regarding light polarized parallel to an alignment direction, and “A⊥” which represents absorbance of the LC compound to regarding light polarized vertical to the alignment direction.

Abstract translation: 液晶（LC）显示装置使用增加该装置的正面对比度的相位差膜和偏振板。 该膜包括第一光学各向异性层及其上的第二光学各向异性层，通过将LC化合物固定为均匀取向状态而形成的第一层具有0.75至0.95的次序参数（OP）和0.3μm的层厚度 通过将LC化合物固定为垂直取向状态而形成的第二层的OP为0.60〜0.95，层厚为0.3〜3.0μm，由OP =（A∥-A ⊥）/（2A⊥+A‖），表示LC化合物对与取向方向平行的偏振光的吸光度的“A∥”，以及表示LC化合物关于光偏振垂直方向的吸光度的“A⊥” 排列方向

公开(公告)号：US20160025911A1

公开(公告)日：2016-01-28

申请号：US14878741

申请日：2015-10-08

Applicant: FUJIFILM Corporation

Inventor： Takashi TAMADA ,  Jun TAKEDA

IPC: G02B5/30 ,  G02F1/1335

CPC classification number: G02B5/305 ,  G02B5/3016 ,  G02B5/3083 ,  G02F1/133528

Abstract: A manufacturing method of a multilayer film having: an optical film including: a retardation layer A satisfying the relational expression, nz>nx≧ny, here, nx represents an in-plane refractive index in a direction of an in-plane slow axis, ny represents an in-plane refractive index in a direction orthogonal to the direction of an in-plane slow axis, and nz represents a refractive index in a thickness direction; a retardation layer B of which in-plane retardation Re and thickness direction retardation Rth satisfy the relational expressions, 0 nm≦Re≦20 nm, 50 nm≦Rth≦300 nm, wherein the total film thickness is 5 μm to 40 μm; and a laminate layer C on the surface of the A layer, the manufacturing method including: manufacturing a multilayer structure including the A layer and the C layer by a solution co-casting method; and forming the B layer on the surface of the A layer of the multilayer structure by coating.

Abstract translation: 一种多层膜的制造方法，具有：光学膜，包括：满足关系式的延迟层A，nz>nx≥ny，这里，nx表示面内慢轴方向的面内折射率， ny表示与正面内的慢轴的方向正交的方向的面内折射率，nz表示厚度方向的折射率。 面内相位差Re和厚度方向延迟Rth满足关系式的延迟层B为0nm＆lt; nlE; Re＆nlE; 20nm，50nm＆nlE; Rth＆nlE; 300nm，其中，总膜厚为5μm〜40μm; 和A层表面上的层压层C，其制造方法包括：通过溶液共铸法制造包括A层和C层的多层结构; 并通过涂布在多层结构的A层的表面上形成B层。

公开(公告)号：US20150022764A1

公开(公告)日：2015-01-22

申请号：US14509771

申请日：2014-10-08

Applicant: FUJIFILM Corporation

Inventor： Jun TAKEDA ,  Yuki MATSUDA ,  Nobuhiko ICHIHARA

IPC: G02F1/13363 ,  G02B5/30 ,  B29D11/00 ,  G02F1/1335

CPC classification number: G02F1/13363 ,  B29D11/0074 ,  B29D11/00865 ,  B29K2001/08 ,  B29K2029/04 ,  B29K2105/0079 ,  G02B5/3033 ,  G02B5/3083 ,  G02F1/133528 ,  G02F1/134363 ,  G02F2001/133531 ,  G02F2001/133633 ,  G02F2201/50 ,  Y10T428/1005

Abstract: There is provided a phase difference film which includes a, an intermediate layer, and a phase difference layer to which an alignment state of a liquid crystal material is fixed in this order, in which the substrate contains cellulose acylate in which an average substitution degree DS of an acyl group satisfies 2.0

Abstract translation: 提供了一种相位差膜，其包括a，中间层以及液晶材料的取向状态依次固定的相位差层，其中基材含有纤维素酰化物，其中平均取代度DS 的酰基基团满足2.0

公开(公告)号：US20130266743A1

公开(公告)日：2013-10-10

申请号：US13845659

申请日：2013-03-18

Applicant: FUJIFILM CORPORATION

Inventor： Jun TAKEDA ,  Takashi TAMADA ,  Taku WAKITA

IPC: G02F1/1333 ,  G02B5/30

CPC classification number: G02F1/1333 ,  G02B5/30 ,  G02B5/3016 ,  G02B5/3041 ,  G02B5/3083 ,  Y10T428/1041

Abstract: An optical film having a thickness of from 20-60 μm, Re(550) of larger than 80-350 nm, an elastic modulus Em in a direction that is in parallel or perpendicular to one arbitrary edge of the film and provides a maximum elastic modulus of the film, and an elastic modulus Es in a direction that is perpendicular to the direction of Em, with satisfying Em/Es of 1.5-2.5; and satisfying: - 0.14 ≦ log   E T   10 ′ - log   E T   100 ′ T 10 - T 100 ≦ - 0.02 wherein T10 represents a temperature where E′RT becomes 1/10; T100 represents a temperature where E′RT becomes 1/100; log E′T10 represents log E′ where E′RT becomes 1/10; and log E′T100 represents log E′ where E′RT becomes 1/100, wherein E′ represents a storage modulus of the film measured by dynamic viscoelastic measurement, and E′RT represents the storage modulus of the film at room temperature.

Abstract translation: 具有20-60μm厚度的Re（550）大于80-350nm的光学膜，在与膜的一个任意边缘平行或垂直的方向上的弹性模量Em，并提供最大弹性 膜的模量和与Em的方向垂直的方向的弹性模量Es，满足Em / Es为1.5-2.5; 并且满足以下条件： - 0.14 @ logEwherein;;;;;;; wherein wherein;;; wherein;;;;;;;;; T100表示​​E'RT变为1/100的温度; log E'T10表示E'RT变为1/10的log E'; 并且log E'T100表示​​E'RT变为1/100的log E'，其中E'表示通过动态粘弹测量测量的膜的储能模量，E'RT表示膜在室温下的储能模量。

公开(公告)号：US20130128359A1

公开(公告)日：2013-05-23

申请号：US13679482

申请日：2012-11-16

Applicant: FUJIFILM CORPORATION

Inventor： Taku WAKITA ,  Takashi TAMADA ,  Akihiro MATSUFUJI ,  Jun TAKEDA

IPC: G02B5/30

CPC classification number: G02B5/30 ,  C08J5/18 ,  C08J2301/10 ,  C08J2301/14 ,  C08K5/0016 ,  G02B1/04 ,  G02B5/3083 ,  C08L1/08 ,  C08L1/10 ,  C08L1/14

Abstract: An optical film having a high Re and a low |Rth| is provided. An optical film consists of a composition that includes cellulose acylate having an acyl group including an aromatic group, and satisfies Formula (I) 150 nm≦Re (550)≦350 nm, Formula (II) −50 nm≦Rth (550)≦50 nm, and Formula (III) 0.07 nm≦degree of cross-sectional orientation P2z≦1, Here, Re (550) represents the in-plane retardation at a wavelength of 550 nm, and Rth (550) represents the thickness direction retardation at a wavelength of 550 nm.

Abstract translation: 具有高Re和低| Rth |的光学膜 被提供。 光学膜由包含具有芳基的酰基的酰化纤维素的组合物组成，并且满足式（I）150nm @ Re（550）@ 350nm，式（II）-50nm @ Rth（550）@ 50nm，式（III）为0.07nm @截面取向度P2z @ 1，这里，Re（550）表示波长550nm处的面内相位差，Rth（550）表示厚度方向延迟 波长为550nm。

公开(公告)号：US20130083394A1

公开(公告)日：2013-04-04

申请号：US13629362

申请日：2012-09-27

Applicant: Fujifilm Corporation

Inventor： Jun TAKEDA ,  Masato NAKAO

IPC: G02B1/08

CPC classification number: B32B7/02 ,  B32B23/04 ,  B32B27/06 ,  G02B5/30 ,  G02B5/3016 ,  G02B27/286 ,  G02F1/13363 ,  G02F2202/40 ,  G02F2413/02

Abstract: A laminated optical film which exhibit a high front contrast ratio and even brightness, improve viewing angle characteristics of a liquid crystal display of a horizontal alignment mode, and have high durability.A laminated optical film comprising: a B layer; and a C layer, wherein the B layer satisfies the following three formulae (Ib) to (IIIb), the C layer satisfies the following two formulae (Ic) and (IIc), and the absolute value |ΔSP value| of a difference in SP value between the primary components of the B and C layers is not more than 1.5, the SP value being determined by Hoy's method. 1.0≦Nz≦3.0;  (Ib): 70 nm≦Re(550); and  (IIb): 0 nm≦Rth(550)≦200 nm,  (IIIb): Re(550)≦10 nm; and  (Ic): −200 nm≦Rth(550)≦−50 nm  (IIc):

Abstract translation: 具有高前方对比度和均匀亮度的层压光学膜，改善了水平对准模式的液晶显示器的视角特性，并具有高耐久性。 一种层叠光学膜，包括：B层; 和C层，其中B层满足以下三个式（Ib）至（IIIb），C层满足以下两个式（Ic）和（IIc），绝对值| | Dgr; SP值| B层和C层主要组分之间的SP值差异不大于1.5，SP值由Hoy's方法确定。 1.0＆nlE; Nz＆nlE; 3.0; （Ib）：70nm＆amp; Re; Re（550）; 和（IIb）：0nm＆nlE; Rth（550）＆nlE; 200nm，（IIIb）：Re（550）＆nlE; 10nm; 和（Ic）：-200nm＆nlE; Rth（550）＆nlE; -50nm（IIc）：