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Title:
OPTICAL LAMINATE, AND IMAGE DISPLAY DEVICE
Document Type and Number:
WIPO Patent Application WO/2022/071054
Kind Code:
A1
Abstract:
The present invention addresses the problem of providing an optical laminate having excellent durability, and an image display device in which the optical laminate is used. This optical laminate has, in this order, a pressure-sensitive-adhesive layer 1, a specific laminate having a resin layer and a light-absorption-anisotropic layer adjacent to each other, and a pressure-sensitive-adhesive layer 2, wherein the light-absorption-anisotropic layer contains a dichroic substance, the pressure-sensitive-adhesive layer 1 is adjacent to the resin layer of the specific laminate, and the storage modulus Ep of the pressure-sensitive-adhesive layer 1 and the storage modulus Ea and strain δa under wet heat conditions of the resin layer satisfy expression (1-1). (1-1): 1/4(3 × Ep/Ea)2/3 > δa

Inventors:
KOITO NAOKI (JP)
ARAI MICHIO (JP)
INOUE SHUN (JP)
MATSUYAMA HIROSHI (JP)
TAKADA YOSHIAKI (JP)
Application Number:
PCT/JP2021/034760
Publication Date:
April 07, 2022
Filing Date:
September 22, 2021
Export Citation:
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Assignee:
FUJIFILM CORP (JP)
International Classes:
G02B5/30; G02F1/1335; G02F1/1337; G09F9/30; H01L27/32; H01L51/50; H05B33/02
Domestic Patent References:
WO2020080359A12020-04-23
WO2020149343A12020-07-23
WO2019131976A12019-07-04
Foreign References:
JP2020019277A2020-02-06
JP2017095660A2017-06-01
Attorney, Agent or Firm:
ITOH Hideaki et al. (JP)
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