公开(公告)号：US09250469B2

公开(公告)日：2016-02-02

申请号：US14324608

申请日：2014-07-07

Applicant: FUJIFILM Corporation

Inventor： Yasuyuki Sasada ,  Mitsuo Osato ,  Kazuya Hisanaga

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

CPC classification number: G02F1/133528 ,  G02B5/3033 ,  G02F1/13363

Abstract: A polarizer having at least one optical film and at least one polarizing film, wherein the absolute value of the photo-elastic coefficient C of the optical film is 2×10−12 Pa−1 or more, the optical film has an in-plane direction in which the sound propagation velocity is the maximum, and the angle between the in-plane direction in which the sound propagation velocity through the optical film is the maximum and the direction of the absorption axis of the polarizing film falls within a range of from 0° to less than 45°, is excellent in working aptitude and can prevent optical unevenness of the liquid-crystal display device accompanied by environmental changes.

Abstract translation: 具有至少一个光学膜和至少一个偏振膜的偏振片，其中光学膜的光弹性系数C的绝对值为2×10-12Pa-1以上，光学膜具有面内 声传播速度最大的方向以及通过光学膜的声音传播速度最大的面内方向与偏振片的吸收轴的方向之间的角度落入到 0°以上且小于45°，工作性能优异，能够防止伴随环境变化的液晶显示装置的光学不均匀。

公开(公告)号：US11987732B2

公开(公告)日：2024-05-21

申请号：US17088923

申请日：2020-11-04

Applicant: FUJIFILM Corporation

Inventor： Yasuyuki Sasada ,  Kazuya Hisanaga ,  Daiki Wakizaka

IPC: C09J4/00 ,  B32B7/023 ,  B32B7/06 ,  B32B7/12 ,  B32B27/36 ,  C09J7/25 ,  C09J11/06 ,  G02B5/30

CPC classification number: C09J4/00 ,  B32B7/023 ,  B32B7/06 ,  B32B7/12 ,  B32B27/36 ,  C09J7/255 ,  C09J11/06 ,  B32B2307/42 ,  C09J2301/416 ,  C09J2467/006 ,  G02B5/3025 ,  Y10T428/1476

Abstract: A polarizing plate includes: a polarizer and an optical film, in which the optical film is laminated on at least one surface of the polarizer with an adhesive containing at least one or more polymerizable compounds, and the at least one or more polymerizable compounds are not substantially infiltrated into the optical film.

公开(公告)号：US09013656B2

公开(公告)日：2015-04-21

申请号：US14043879

申请日：2013-10-02

Applicant: FUJIFILM Corporation

Inventor： Kazuya Hisanaga ,  Rikio Inoue ,  Makoto Ishiguro

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

CPC classification number: G02F1/133528 ,  G02B1/105 ,  G02B1/14 ,  G02B5/30 ,  G02B5/3033 ,  G02F2001/133562

Abstract: A polarizing plate according to the invention includes a first protective film; a polarizer; a second protective film; and an adhesive layer in this order, in which a moisture vapor permeability of the first protective film is less than or equal to 200 g/m2/24 hours, the second protective film contains cellulose acylate as a major component, a creep amount of the adhesive layer is less than 100 μm, and a shrinkage force of the polarizing plate in an absorption axis direction thereof which is represented by the following expression (A) is lower than or equal to 2000 N/m. Expression (A) is the Shrinkage Force (N/m) of Polarizing Plate in Absorption Axis Direction=Elastic Modulus (GPa) of Polarizing Plate in Absorption Axis Direction×|Humidity Dimensional Change Rate (%) of Polarizing Plate in Absorption Axis Direction|×Thickness (μm) of Polarizing Plate×10.

Abstract translation: 根据本发明的偏振片包括第一保护膜; 偏振片 第二保护膜; 和粘合剂层，其中第一保护膜的透湿度小于或等于200g / m 2/24小时，第二保护膜含有纤维素酰化物作为主要成分，蠕变量为 粘合剂层小于100μm，并且由以下表达式（A）表示的偏振片在其吸收轴方向上的收缩力小于或等于2000N / m。 表达式（A）是吸收轴方向偏振板的收缩力（N / m）=偏振板吸收轴方向的弹性模量（GPa）×|偏振板吸收轴方向的湿度尺寸变化率（％）| ×偏光板的厚度（μm）×10。

公开(公告)号：US09310642B2

公开(公告)日：2016-04-12

申请号：US14558044

申请日：2014-12-02

Applicant: FUJIFILM Corporation

Inventor： Makoto Ishiguro ,  Yasuyuki Sasada ,  Kazuya Hisanaga

IPC: G02F1/1335 ,  G02F1/1333 ,  G02F1/1343 ,  G02B5/30

CPC classification number: G02F1/133528 ,  G02B5/3033 ,  G02F1/134363 ,  G02F2001/133531

Abstract: A liquid crystal display includes a liquid crystal cell having a liquid crystal layer provided between two glass substrates having a thickness of 0.5 mm or less, polarization plates provided on both surfaces of the liquid crystal cell in which absorption axes of the polarization plates provided on both surfaces of the liquid crystal cell are disposed to be orthogonal with each other, and a back light provided on a rear side of the liquid crystal cell, and a difference (D−H) between a contractive force D in an absorption axis direction of the front side polarization plate, and a contractive force H in a transmission axis direction of the rear side polarization plate is 365×10 N/m or less.

Abstract translation: 液晶显示器包括具有设置在两个厚度为0.5mm以下的两个玻璃基板之间的液晶层的液晶单元，设置在液晶单元的两个表面上的偏振板，其中设置在两者上的偏振板的吸收轴 液晶单元的表面被配置为彼此正交，并且设置在液晶单元的后侧的背光以及在液晶单元的背面的收缩力D之间的差（D-H） 前侧偏振板，后侧偏振板的透射轴方向的收缩力H为365×10 N / m以下。