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Patent Searching and Data


Title:
RETARDATION LAYER-EQUIPPED POLARIZING PLATE AND IMAGE DISPLAY DEVICE
Document Type and Number:
WIPO Patent Application WO/2023/074388
Kind Code:
A1
Abstract:
Provided is a retardation layer-equipped polarizing plate that has excellent durability even under a harsh high-temperature high-humidity environment. A retardation layer-equipped polarizing plate according to an embodiment of the present invention comprises: a first retardation layer having first and second main surfaces opposing each other; a polarizer disposed on the first main surface side of the first retardation layer; and a first layer disposed on the second main surface side of the first retardation layer. The first retardation layer is formed by a stretch film of a resin film, and satisfies a relationship of Re(450)

Inventors:
ARUGA SOHEI (JP)
YAGINUMA HIRONORI (JP)
SASAGAWA TAISUKE (JP)
Application Number:
PCT/JP2022/038178
Publication Date:
May 04, 2023
Filing Date:
October 13, 2022
Export Citation:
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Assignee:
NITTO DENKO CORP (JP)
International Classes:
G02B5/30; G02F1/1335; G02F1/13363; G09F9/00; G09F9/30; H05B33/02; H10K50/00; H10K59/00
Foreign References:
JP2019008252A2019-01-17
JP2020064298A2020-04-23
JP2019094427A2019-06-20
JP2020063377A2020-04-23
US20160231486A12016-08-11
JP2022150732A2022-10-07
Attorney, Agent or Firm:
MOMII Takafumi (JP)
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