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Title:
OPTICAL LAMINATE AND IMAGE DISPLAY DEVICE
Document Type and Number:
WIPO Patent Application WO/2024/019160
Kind Code:
A1
Abstract:
Provided is an optical laminate suitable for use in an image display device that may be exposed to a high temperature environment. The optical laminate provided comprises: an adhesive sheet that is formed of a photocurable composition which contains a monomer group and/or a partially polymerized product of the monomer group; and a phase difference film. The adhesive sheet and the phase difference film are in direct contact with each other or sandwich therebetween a layer having a thickness of not more than 10 μm. The amount of residual monomer contained in the adhesive sheet is not more than 16,000 ppm (weight basis).

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Inventors:
HISANO KAZUKI (JP)
YAMAMOTO SATOSHI (JP)
KIMURA TOMOYUKI (JP)
KATAMI HIROFUMI (JP)
Application Number:
PCT/JP2023/026821
Publication Date:
January 25, 2024
Filing Date:
July 21, 2023
Export Citation:
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Assignee:
NITTO DENKO CORP (JP)
International Classes:
G02B5/30; B32B7/023; B32B27/00; B32B27/30; C09J4/02; C09J7/22; C09J7/38; C09J133/00; C09J201/00; G09F9/00
Domestic Patent References:
WO2021193747A12021-09-30
WO2014109303A12014-07-17
WO2007046202A12007-04-26
WO2007046203A12007-04-26
WO2022158482A12022-07-28
Foreign References:
JP2015221891A2015-12-10
JP2022089527A2022-06-16
JP2021039275A2021-03-11
US20030212209A12003-11-13
Attorney, Agent or Firm:
KAMADA Koichi (JP)
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