Title:
OPTICAL FILM WITH ADHESIVE LAYER, AND IMAGE DISPLAY DEVICE INCLUDING SAID OPTICAL FILM WITH ADHESIVE LAYER
Document Type and Number:
WIPO Patent Application WO/2022/124104
Kind Code:
A1
Abstract:
The present invention provides an optical film which is of a thin type and in which decoloring is inhibited. An optical film with an adhesive layer according to the present invention comprises: a polarization plate including a polarizer and a protective layer that is disposed at least on one side of the polarizer; a phase difference layer; and an adhesive layer in the stated order from a visual recognition side. The water-vapor permeability of the phase difference layer is 300 g/m2 · 24h or more. An end part of the adhesive layer is positioned further inward than an end part of the polarizer in a cross-sectional view. The horizontal distance between the end part of the adhesive layer and the end part of the polarizer is 0-50 μm.
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Inventors:
FUJINO RYOTA (JP)
TOMOHISA HIROSHI (JP)
TOMOHISA HIROSHI (JP)
Application Number:
PCT/JP2021/043458
Publication Date:
June 16, 2022
Filing Date:
November 26, 2021
Export Citation:
Assignee:
NITTO DENKO CORP (JP)
International Classes:
G09F9/00; G02B5/30; G02F1/1335; G09F9/30; H01L27/32; H01L51/50; H05B33/02
Foreign References:
| JP2009086452A | 2009-04-23 | |||
| JP2016026240A | 2016-02-12 | |||
| JP2019008934A | 2019-01-17 | |||
| JP2020190754A | 2020-11-26 | |||
| JP2015193811A | 2015-11-05 | |||
| JP2001235626A | 2001-08-31 | |||
| JP2020148882A | 2020-09-17 |
Attorney, Agent or Firm:
MOMII Takafumi (JP)
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