Title:
METHOD FOR PRODUCING POLARIZING FILM
Document Type and Number:
WIPO Patent Application WO/2023/218822
Kind Code:
A1
Abstract:
The present invention provides a polarizing film which has an excellent appearance and is capable of contributing to the improvement of the display characteristics of an image display device. A method for producing a polarizing film according to one embodiment of the present invention comprises a process in which a resin film that contains iodine and has a moisture content of 15% by weight or less is brought into contact with a first liquid that is an aqueous solution of boric acid and an iodide and has a temperature of 60°C or more.
Inventors:
KOJIMA TADASHI (JP)
GOTO SHUSAKU (JP)
GOTO SHUSAKU (JP)
Application Number:
PCT/JP2023/014366
Publication Date:
November 16, 2023
Filing Date:
April 07, 2023
Export Citation:
Assignee:
NITTO DENKO CORP (JP)
International Classes:
G02B5/30; G02F1/1335; H05B33/02; H05B33/14; H10K50/86; H10K59/10
Foreign References:
| JP2004013005A | 2004-01-15 | |||
| CN112248611A | 2021-01-22 |
Attorney, Agent or Firm:
MOMII Takafumi (JP)
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