Login| Sign Up| Help| Contact|

Patent Searching and Data


Title:
METHOD FOR MANUFACTURING POLARIZING MEMBERS COMPRISING LOCALLY BLEACHED REGION, METHOD FOR MANUFACTURING POLARIZING MEMBER ROLLS, AND METHOD FOR MANUFACTURING SINGLE-TYPE POLARIZING MEMBERS
Document Type and Number:
WIPO Patent Application WO/2015/147552
Kind Code:
A1
Abstract:
The present invention relates to a method for manufacturing polarizing members comprising a locally bleached region, the method comprising the steps of: providing a polarizing member comprising a polyvinyl alcohol-based polarizer having iodine and/or a dichromatic dye oriented in a predetermined direction; forming, on one side of the polarizing member, a mask layer comprising at least one perforation; dipping the polarizing member, which has the mask layer formed thereon, in a bleaching solution so as to partially bleach same; and correcting the exterior of the partially bleached polarizing member.

Inventors:
LEE BEOM SEOK (KR)
JANG EUNG JIN (KR)
RAH KYUN IL (KR)
KANG HYUNG KOO (KR)
LEE BYUNG SUN (KR)
CHOI DU JIN (KR)
YUN HO JEONG (KR)
Application Number:
PCT/KR2015/002936
Publication Date:
October 01, 2015
Filing Date:
March 25, 2015
Export Citation:
Click for automatic bibliography generation   Help
Assignee:
LG CHEMICAL LTD (KR)
International Classes:
G02B5/30; B29D11/00
Foreign References:
KR20100125537A2010-12-01
KR20130080869A2013-07-15
JP5255502B22013-08-07
KR20100125558A2010-12-01
KR20100125560A2010-12-01
Other References:
See also references of EP 3125006A4
Attorney, Agent or Firm:
CHUNG, Soon-Sung (KR)
정순성 (KR)
Download PDF: