公开(公告)号：US20150055062A1

公开(公告)日：2015-02-26

申请号：US14537376

申请日：2014-11-10

Applicant: FUJIFILM Corporation

Inventor： Yoshiaki HISAKADO ,  Masato NAGURA ,  Jun NOGUCHI ,  Kazuya HISANAGA ,  Nobutaka FUKAGAWA ,  Yu NAITO ,  Hiromichi FURUKAWA

IPC: G02B5/30 ,  G02F1/1343 ,  G02B1/08 ,  G02F1/1335

CPC classification number: G02B5/3083 ,  G02B1/08 ,  G02B5/3025 ,  G02F1/133528 ,  G02F1/13363 ,  G02F1/134363 ,  G02F2202/40

Abstract: An optical film, has a film thickness of 15 μm to 45 μm, Rth (440 W, 30% RH) and “Rth (440 W, 30% RH)−Rth (440 W, 80% RH)” of the optical film satisfy Expression (1) −20 nm≦Rth (440 W, 30% RH)≦5 nm and Expression (2) 0 nm≦Rth (440 W, 30% RH)−RH (440 W, 80% RH)≦18 nm, here, in Expressions (1) and (2), Rth (440 W, 30% RH) represents a retardation value in a film thickness direction at a wavelength of 440 nm measured at 25° C. and at a relative humidity of 30% and Rth (440 W, 80% RH) represents a retardation value in the film thickness direction at a wavelength of 440 nm measured at 25° C. and at a relative humidity of 80%; a polarizer and liquid crystal display device.

Abstract translation: 光学膜的光学膜的膜厚为15μm〜45μm，Rth（440W，30％RH）和“Rth（440W，30％RH）-Rth（440W，80％RH）”） 满足表达式（1）-20nm＆nlE; Rth（440W，30％RH）＆nlE; 5nm和表达式（2）0nm＆nlE; Rth（440W，30％RH）-RH（440W，80％RH）＆lt; ; 18nm，这里，在表达式（1）和（2）中，Rth（440W，30％RH）表示在25℃测量的波长440nm处的膜厚度方向上的延迟值 湿度为30％，Rth（440W，80％RH）表示在25℃，相对湿度80％下测定的440nm波长下的膜厚方向的延迟值。 偏振器和液晶显示装置。

公开(公告)号：US20150062502A1

公开(公告)日：2015-03-05

申请号：US14532561

申请日：2014-11-04

Applicant: Fujifilm Corporation

Inventor： Ryuji SANETO ,  Humitake MITOBE ,  Jun NOGUCHI

IPC: G02F1/1335 ,  G02B1/10 ,  G02B5/30

CPC classification number: G02F1/133528 ,  B32B23/08 ,  B32B2457/202 ,  C08B3/06 ,  G02B1/10 ,  G02B1/105 ,  G02B1/14 ,  G02B1/16 ,  G02B1/18 ,  G02B5/3033 ,  Y10T428/1041 ,  Y10T428/105

Abstract: A polarization plate includes a first protective film, a polarizer, and a second protective film in this order, in which the first protective film is a film including a (meth)acryl-based resin, a thickness of the first protective film is in a range of 20 μm to 30 μm, a thickness of the second protective film is in a range of 1.5 times to 1.8 times of the thickness of the first protective film, and a humidity dimensional change ratio of the second protective film in the direction orthogonal to an absorption axis of the polarizer is in a range of 0.45% to 0.8%.

Abstract translation: 偏振板依次包括第一保护膜，偏振片和第二保护膜，其中第一保护膜是包含（甲基）丙烯酸类树脂的膜，第一保护膜的厚度为 范围为20μm至30μm，第二保护膜的厚度在第一保护膜的厚度的1.5倍至1.8倍的范围内，并且第二保护膜在垂直于第二保护膜的方向上的湿度尺寸变化率 偏振器的吸收轴在0.45％至0.8％的范围内。