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:
Jul. 23, 2019
Filed:
Mar. 25, 2015
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); G02B 1/10 (2015.01); G02B 1/14 (2015.01); B23K 26/38 (2014.01); B23K 26/402 (2014.01); B23K 103/00 (2006.01); B29K 29/00 (2006.01);
U.S. Cl.
CPC ...
G02B 5/3033 (2013.01); B23K 26/38 (2013.01); B23K 26/402 (2013.01); B29D 11/00644 (2013.01); B29D 11/00865 (2013.01); G02B 1/10 (2013.01); G02B 1/14 (2015.01); B23K 2103/42 (2018.08); B23K 2103/50 (2018.08); B29K 2029/04 (2013.01);
Abstract
The present invention relates to a method for manufacturing a polarizer including preparing a polyvinyl alcohol-based polarizer dyed with at least one of iodine and dichroic dye; forming a depolarized area by locally bringing a bleaching solution into contact with some areas of the polarizer; and acid treating at least the depolarized area using an acid solution, a polarizer and a polarizing plate manufactured by using the same.