POLARIZATION FILM, POLARIZATION PLATE, AND PRODUCTION METHOD FOR SAID POLARIZATION FILM

Title:

POLARIZATION FILM, POLARIZATION PLATE, AND PRODUCTION METHOD FOR SAID POLARIZATION FILM

Document Type and Number:

WIPO Patent Application WO/2020/203312

Kind Code:

A1

Abstract:

The present invention provides a polarization film having excellent durability under a high-temperature and high-humidity environment. This polarization film is constituted from a polyvinyl alcohol-based resin film containing iodine, wherein at least one surface layer portion includes a nitrogen-containing compound.

Inventors:

SHIMAZU RYO (JP)
GOTO SHUSAKU (JP)
MORISAKI MAYUMI (JP)

Application Number:

PCT/JP2020/012050

Publication Date:

October 08, 2020

Filing Date:

March 18, 2020

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Assignee:

NITTO DENKO CORP (JP)

International Classes:

G02B5/30

Foreign References:

JP2005206810A	2005-08-04
JP2012058754A	2012-03-22
JP2008020908A	2008-01-31
JP2014194529A	2014-10-09
US20180088264A1	2018-03-29

Attorney, Agent or Firm:

MOMII Takafumi (JP)

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