Title:
METHOD FOR PRODUCING POLARIZING FILM
Document Type and Number:
WIPO Patent Application WO/2023/218821
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 an embodiment of the present invention includes bringing a resin film including iodine and having a moisture content of 15 wt% or less into contact with a first liquid, the first liquid being an aqueous solution of boric acid and iodine, and the temperature of the first liquid being 60°C or higher.
Inventors:
KOJIMA TADASHI (JP)
GOTO SHUSAKU (JP)
GOTO SHUSAKU (JP)
Application Number:
PCT/JP2023/014365
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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