The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Mar. 13, 2018
Filed:
Sep. 23, 2014
Applicant:
Lg Chem, Ltd., Seoul, KR;
Inventors:
Assignee:
LG CHEM, LTD., Seoul, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02B 5/30 (2006.01); B29D 11/00 (2006.01); B29K 29/00 (2006.01); B29K 105/00 (2006.01); B29L 9/00 (2006.01);
U.S. Cl.
CPC ...
G02B 5/3033 (2013.01); B29D 11/00644 (2013.01); B29D 11/00894 (2013.01); B29K 2029/04 (2013.01); B29K 2105/256 (2013.01); B29L 2009/00 (2013.01);
Abstract
The present invention relates to a method of manufacturing a thin polarizer, including: forming a film laminate by attaching a polyvinyl alcohol-based film to at least one surface of a polymer film by using attraction force or an adhesive; swelling the film laminate so that a degree of swelling of the polyvinyl alcohol-based film is 0.36 to 0.44; dyeing at least one of iodine and a dichromatic dye on the film laminate; and stretching the film laminate.