- 专利标题: LIGHT ABSORPTION ANISOTROPIC FILM, LAMINATE, AND IMAGE DISPLAY DEVICE
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申请号: US18060873申请日: 2022-12-01
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公开(公告)号: US20230213823A1公开(公告)日: 2023-07-06
- 发明人: Yumi KATO , Naoki KOITO , Hiroshi MATSUYAMA , Akihiro SUGITA , Takehiro KASAHARA , Naoyoshi YAMADA
- 申请人: FUJIFILM Corporation
- 申请人地址: JP Tokyo
- 专利权人: FUJIFILM Corporation
- 当前专利权人: FUJIFILM Corporation
- 当前专利权人地址: JP Tokyo
- 优先权: JP 20098483 2020.06.05 JP 20120655 2020.07.14 JP 20127906 2020.07.29 JP 20149107 2020.09.04 JP 20185059 2020.11.05
- 主分类号: G02F1/135
- IPC分类号: G02F1/135 ; G02F1/1333 ; G02F1/1335 ; H01J49/40 ; G02F1/13363
摘要:
Provided is a light absorption anisotropic film capable of preparing an image display device having excellent display performance and excellent durability, and a laminate and an image display device formed of the light absorption anisotropic film. The light absorption anisotropic film is used for an image display device, which is formed of a liquid crystal composition containing a liquid crystal compound and a dichroic substance, in which in a signal derived from the dichroic substance detected by time-of-flight secondary ion mass spectrometry, a relationship between a maximum intensity Imax of the light absorption anisotropic film in a thickness direction and an intensity Isur1 in a surface of the light absorption anisotropic film on a viewing side of the image display device satisfies Expression (I-1) 2.0≤Imax/Isur1.
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