公开(公告)号：US20130342793A1

公开(公告)日：2013-12-26

申请号：US13926237

申请日：2013-06-25

Applicant: FUJIFILM Corporation

Inventor： Jun TAKEDA ,  Tatsuya IWASAKI ,  Yuki MATSUDA ,  Taku WAKITA ,  Hiroyuki KAIHOKO

IPC: G02F1/1335

CPC classification number: G02F1/1335 ,  B32B2457/202 ,  G02F1/133634 ,  G02F1/134363 ,  G02F2413/02 ,  G02F2413/05 ,  G02F2413/08 ,  G02F2413/13 ,  Y10T428/1036 ,  Y10T428/105

Abstract: A liquid crystal display device includes: a first polarizing film; a first retardation region; a liquid crystal cell which includes a liquid crystal layer sandwiched between a pair of substrates, in which liquid crystal molecules in the liquid crystal layer are oriented parallel to surfaces of the pair of substrates at a time of black display; and a second polarizing film, a slow axis of the first retardation region is arranged orthogonally or parallel to a long axis of the liquid crystal molecule at a surface of the liquid crystal layer at a side of the substrate of the liquid crystal cell adjacent to the first retardation region in a state of no application of voltage, the liquid crystal cell operates in a lateral electric field mode, and the first retardation region includes a first retardation layer and a second retardation layer as defined herein.

Abstract translation: 一种液晶显示装置，包括：第一偏振膜; 第一延迟区域; 一种液晶单元，包括夹在一对基板之间的液晶层，其中液晶层中的液晶分子在黑色显示时平行于该对基板的表面定向; 和第二偏光膜，所述第一延迟区域的慢轴在所述液晶层的与所述液晶分子相邻的所述液晶单元的基板的一侧的表面处与所述液晶分子的长轴正交或平行配置 在不施加电压的状态下的第一延迟区域，液晶单元以横向电场模式工作，并且第一延迟区域包括如本文所定义的第一延迟层和第二延迟层。

公开(公告)号：US20180246381A1

公开(公告)日：2018-08-30

申请号：US15957367

申请日：2018-04-19

Applicant: FUJIFILM Corporation

Inventor： Taku WAKITA ,  Ayako MURAMATSU ,  Chie MORIYA ,  Yoshiaki TAKADA ,  Makoto ISHIGURO

IPC: G02F1/1337 ,  C08K5/101 ,  G02F1/1335

CPC classification number: G02F1/133711 ,  C08K5/101 ,  C08L101/02 ,  G02B5/3016 ,  G02F1/133528 ,  G02F1/13363 ,  G02F1/133788 ,  G02F2001/133715 ,  G02F2001/133726 ,  G02F2202/28 ,  Y10T428/10 ,  Y10T428/1005 ,  Y10T428/1036

Abstract: According to the invention, provided are an optical alignment film composition with which an optical alignment film having excellent aligning properties can be produced, and an optical alignment film, an optical laminate, and an image display device produced using the optical alignment film composition. An optical alignment film composition according to the invention contains a polymer A which has a constitutional unit a1 including a cinnamate group and a low-molecular-weight compound B which has a cinnamate group and has a lower molecular weight than the polymer A.

公开(公告)号：US20150015833A1

公开(公告)日：2015-01-15

申请号：US14499880

申请日：2014-09-29

Applicant: FUJIFILM Corporation

Inventor： Jun TAKEDA ,  Taku WAKITA ,  Takashi TAMADA

IPC: G02F1/1335 ,  B29D7/01 ,  B29C55/00 ,  G02B5/30 ,  C08L1/10

CPC classification number: G02F1/133528 ,  B29C41/24 ,  B29C55/005 ,  B29C55/06 ,  B29C55/08 ,  B29C55/12 ,  B29D7/01 ,  B29K2001/08 ,  B29K2001/12 ,  B29L2007/00 ,  C08L1/10 ,  G02B5/3033 ,  G02B5/3083

Abstract: A cellulose acylate film that contains at least one kind of cellulose acylate that has a substitution degree of an acyl group that contains an aromatic group of from 0.1 to 2.0, or a substitution degree of an acyl group having from 2 to 4 carbon atoms of from 2.0 to 2.6, and has an in-plane retardation at a wavelength of 550 nm Re(550) of from 80 to 350 nm, and the number of bright spots caused from irregular retardation regions having a major axis diameter of from 0.01 to 0.05 mm of 500 or less per 1 cm2 causes less light leakage irrespective of Re of 80 nm or more, so as to enhance the display capability of IPS type and FFS type liquid crystal display devices.

Abstract translation: 一种纤维素酰化物膜，其含有至少一种酰化物的酰化物的取代度为含有0.1〜2.0的芳香族基团的酰基或具有2〜4个碳原子的酰基的取代度， 2.0〜2.6，并且在550nm的Re（550）为550〜350nm的波长的面内相位差，以及由长轴径为0.01〜0.05mm的不规则延迟区域引起的亮点数 500或更小的每1cm 2会导致较少的漏光，而不考虑80nm以上的Re，从而提高IPS型和FFS型液晶显示装置的显示能力。

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。