Title:
LAMINATE AND METHOD FOR MANUFACTURING IMAGE DISPLAY PANEL
Document Type and Number:
WIPO Patent Application WO/2022/181188
Kind Code:
A1
Abstract:
Provided is a laminate that includes a thin polarizing plate equipped with a retardation layer, and that has excellent working efficiency in an image display panel manufacturing process. A laminate according to an embodiment of the present invention has a surface protection film, a polarizing plate including a polarizer and a protective layer, a retardation layer, an adhesive layer, and a release film in the stated order, wherein the thickness of a layered portion from the polarizing plate to the adhesive layer is 70 µm or less, the thickness of the release film is 40 µm or greater, the peel force Fr of the release film with respect to the adhesive layer is 0.04 N/25 mm or less, and the peel force Fp of the surface protection film with respect to the polarizing plate is greater than the peel force Fr and no greater than 0.1 N/25 mm.
Inventors:
YANAGIMOTO KENSHI (JP)
TOMOHISA HIROSHI (JP)
TOMOHISA HIROSHI (JP)
Application Number:
PCT/JP2022/003083
Publication Date:
September 01, 2022
Filing Date:
January 27, 2022
Export Citation:
Assignee:
NITTO DENKO CORP (JP)
International Classes:
G02B5/30; B32B7/023; B32B27/00; H01L27/32; H01L51/50; H05B33/02; H05B33/10; H05B33/14
Domestic Patent References:
| WO2021029191A1 | 2021-02-18 |
Foreign References:
| JP2018120119A | 2018-08-02 | |||
| US4712881A | 1987-12-15 |
Attorney, Agent or Firm:
MOMII Takafumi (JP)
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