Title:
METHOD FOR MANUFACTURING POLARIZING FILM, POLARIZING FILM MANUFACTURING DEVICE, AND POLARIZING FILM MANUFACTURED USING SAME
Document Type and Number:
WIPO Patent Application WO/2015/016631
Kind Code:
A1
Abstract:
The present invention provides a method for manufacturing a polarizing film, a polarizing film manufacturing device, and a polarizing film having improved optical characteristics by using the same, the method comprising the steps of: (a) spraying a coating solution that contains a component functioning as a polarizer to the inside of a sealed chamber so as to form coating solution spraying conditions; (b) supplying a polyvinyl alcohol-based film to the inside of the chamber such that the outer side of the polyvinyl alcohol-based film is dyed by the coating solution; and (c) discharging the polyvinyl alcohol-based film dyed with the coating solution to the outside of the chamber.
Inventors:
YOON SEOKHYUN (KR)
Application Number:
PCT/KR2014/007041
Publication Date:
February 05, 2015
Filing Date:
July 31, 2014
Export Citation:
Assignee:
LG CHEMICAL LTD (KR)
International Classes:
G02B5/30; G02F1/1335
Foreign References:
| US5110618A | 1992-05-05 | |||
| KR20100084846A | 2010-07-28 | |||
| KR20130035193A | 2013-04-08 | |||
| JP2002090547A | 2002-03-27 | |||
| US20090273744A1 | 2009-11-05 |
Attorney, Agent or Firm:
SOHN, CHANG KYU (KR)
손창규 (KR)
손창규 (KR)
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