Title:
POLARIZING PLATE, AND ORGANIC ELECTROLUMINESCENCE DISPLAY DEVICE
Document Type and Number:
Japanese Patent JP2023066932
Kind Code:
A
Abstract:
To provide a polarizing plate which significantly suppresses discoloration when used in organic EL display devices.SOLUTION: A polarizing plate according to an embodiment of the present invention comprises a polarizer having first and second principal surfaces opposing each other, and a laminated film disposed on the first principal surface side of the polarizer, the laminated film comprising a base material and a hard coat layer arranged in order from the polarizer side, having a moisture permeability of 300 g/m2/24h or greater, and exhibiting a moisture permeability variation rate of 1.4 or grater when exposed in an environment of 65°C and 95%RH for 48 hours.SELECTED DRAWING: Figure 1
Inventors:
FUJINO RYOTA
TOMOHISA HIROSHI
HASHIMOTO NAOKI
TOMOHISA HIROSHI
HASHIMOTO NAOKI
Application Number:
JP2021177809A
Publication Date:
May 16, 2023
Filing Date:
October 29, 2021
Export Citation:
Assignee:
NITTO DENKO CORP
International Classes:
G02B5/30; B32B7/023; G02B1/14; G09F9/30; H05B33/02; H10K50/00; H10K59/00
Attorney, Agent or Firm:
Takafumi Momii
Misa Yamamoto
Misa Yamamoto
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