公开(公告)号：US20150002789A1

公开(公告)日：2015-01-01

申请号：US14315975

申请日：2014-06-26

Applicant: FUJIFILM Corporation

Inventor： Hiroyuki KAIHOKO ,  Yuki MATSUDA ,  Tatsuya IWASAKI ,  Shunya KATOH ,  Hiroshi MATSUYAMA ,  Toshiyuki SAIKI

IPC: G02F1/13363 ,  G02F1/1337 ,  G02F1/1335 ,  G02B5/30 ,  G02F1/1347

CPC classification number: G02B5/3016 ,  G02F2001/133633

Abstract: To provide an optically-compensatory film that can improve the contrast, to provide a polarizing plate and a liquid crystal display including the optically-compensatory film and a method of producing the optically-compensatory film. An optically-compensatory film including a transparent support; and at least one optically anisotropic layer including a liquid crystal composition containing liquid crystal compounds, in the transparent support; wherein when the optically-compensatory film is disposed between two polarizing plates in a cross nicol state, degree of depolarization as seen from the front face is 0.000022 or less, and degree of depolarization as seen from a polar angle of 50° from an absorption axis direction of one of the polarizing plates is 0.00077 or less.

Abstract translation: 为了提供可以提高对比度的光学补偿膜，提供一种偏光板和包括光学补偿膜的液晶显示器和一种制造光学补偿膜的方法。 一种光学补偿膜，包括透明支撑体; 和至少一个包含含有液晶化合物的液晶组合物的光学各向异性层; 其中当光学补偿膜设置在交叉尼科尔状态的两个偏振片之间时，从前表面看去极化程度为0.000022或更小，从与吸收轴的极角50°角度看去极化程度 一个偏振片的方向为0.00077以下。

公开(公告)号：US20230221600A1

公开(公告)日：2023-07-13

申请号：US18180598

申请日：2023-03-08

Applicant: FUJIFILM Corporation

Inventor： Masaaki SUZUKI ,  Tatsuya IWASAKI ,  Katsufumi OHMURO

IPC: G02F1/13363 ,  G02F1/1335 ,  G02F1/13 ,  G02F1/13357

CPC classification number: G02F1/133638 ,  G02F1/133531 ,  G02F1/1323 ,  G02F1/133603

Abstract: The present invention provides a liquid crystal display device having excellent display quality and suppressed occurrence of halo. The liquid crystal display device of the present invention is a liquid crystal display device including, in the following order, a first polarizer, a liquid crystal cell, a second polarizer, and a direct type backlight that uses a point light source, in which a light control member is further provided between the second polarizer and the direct type backlight, and the liquid crystal display device satisfies relationships of the following Expression (1) 70%≤(I20/I0)×100≤90%, Expression (2) 10%≤(I40/I0)×100≤35%, and Expression (3) 1%≤(I60/I0)×100≤20%.

公开(公告)号：US20210191195A1

公开(公告)日：2021-06-24

申请号：US17190112

申请日：2021-03-02

Applicant: FUJIFILM Corporation

Inventor： Naoyoshi YAMADA ,  Tatsuya IWASAKI ,  Katsufumi OHMURO

IPC: G02F1/1335

Abstract: The present invention provides a liquid crystal display device which suppresses a color change of light leak depending on a direction in the visual recognition from an oblique direction during black display, and has high display quality. The liquid crystal display device includes, in order, at least: a first polarizer; an optically anisotropic layer a liquid crystal cell; and a second polarizer, the liquid crystal cell has pixels with a screen resolution of 250 ppi or more, the pixels each have at least blue, green, and red subpixels, the subpixel has a chevron structure in which an angle formed between at least one side and an absorption axis of the first polarizer or an absorption axis of the second polarizer is larger than 0° and not larger than 5°, and a depolarization degree of the liquid crystal cell in a visible light region satisfies a predetermined requirement.

公开(公告)号：US20210096412A1

公开(公告)日：2021-04-01

申请号：US17117864

申请日：2020-12-10

Applicant: FUJIFILM Corporation

Inventor： Tatsuya IWASAKI ,  Katsufumi OHMURO

IPC: G02F1/13363 ,  G02F1/1335 ,  G02F1/1343 ,  G02F1/137

Abstract: Provided is a horizontal electric field mode liquid crystal display device in which light leak and tint change at the time of black display are reduced in case of being seen from an oblique direction. The liquid crystal display device is an IPS mode liquid crystal display device including at least a first polarizer, a first optical compensation layer, a liquid crystal cell, and a second polarizer in this order, in which the first optical compensation layer satisfies a predetermined relational expression, a total thickness-direction retardation Rth total(550) present between the liquid crystal layer and the second polarizer in the liquid crystal cell satisfies a predetermined relational expression, and a slow axis of the first optical compensation layer is parallel to an absorption axis of a polarizer layer.

公开(公告)号：US20190004225A1

公开(公告)日：2019-01-03

申请号：US16123032

申请日：2018-09-06

Applicant: FUJIFILM Corporation

Inventor： Koji IIJIMA ,  Tatsuya IWASAKI ,  Katsufumi OHMURO ,  Masaaki SUZUKI

IPC: G02B5/30 ,  G02F1/1335 ,  C08L65/00 ,  C08G61/08 ,  B32B27/08 ,  B32B7/12

Abstract: The present invention relates to an optical film which ensures adhesiveness between a polymer film and a liquid crystal layer without deteriorating the alignment of a liquid crystal compound; a polarizing plate using the same; an image display device; a method for producing an optical film; and a method for producing a polarizing plate. The optical film includes a polymer film including a cycloolefin-based polymer, and a liquid crystal layer that is provided adjacent to the polymer film, in which the liquid crystal layer is formed by using a liquid crystal composition containing a liquid crystal compound and a compound having a specific structure, where the liquid crystal composition contains the compound having a specific structure at a content of 0.5% to 7.0% by mass with respect to a mass of the liquid crystal compound, and a predetermined eccentricity value is 20% to 80%.

公开(公告)号：US20180051149A1

公开(公告)日：2018-02-22

申请号：US15790475

申请日：2017-10-23

Applicant: FUJIFILM Corporation

Inventor： Tatsuya IWASAKI ,  Taketo OTANI

IPC: C08J7/16 ,  C09D4/06 ,  G02F1/1335 ,  G02B1/14

CPC classification number: C08J7/16 ,  B32B7/02 ,  B32B23/08 ,  B32B23/20 ,  B32B27/18 ,  C08J7/042 ,  C08J7/047 ,  C08J2301/10 ,  C08J2333/12 ,  C08J2451/00 ,  C09D4/06 ,  G02B1/14 ,  G02B5/3033 ,  G02F1/13338 ,  G02F1/133528 ,  G02F2001/133562

Abstract: Provided is a hardcoat film including a support and a hardcoat layer on at least one surface of the support. The hardcoat layer is formed of a composition for forming a hardcoat layer. The composition contains: (a) resin having a group which increases hydrophilicity when decomposed by an acid and a group which contains at least one kind of atom selected from a fluorine atom and a silicon atom; and (b) acid generator.

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。