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. 30, 2019
Filed:
Jul. 31, 2014
Applicant:
Lg Chem, Ltd., Seoul, KR;
Inventor:
Seokhyun Yoon, Daejeon, KR;
Assignee:
LG CHEM, LTD., Seoul, KR;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G02B 1/14 (2015.01); G02B 5/30 (2006.01); B05B 17/06 (2006.01); C23C 4/12 (2016.01); B05D 1/02 (2006.01); C23C 18/12 (2006.01);
U.S. Cl.
CPC ...
G02B 5/305 (2013.01); B05B 17/06 (2013.01); B05D 1/02 (2013.01); C23C 4/12 (2013.01); C23C 18/1287 (2013.01); G02B 1/14 (2015.01); G02B 5/3025 (2013.01);
Abstract
Disclosed herein are a polarizing film manufacturing method including (a) injecting a coating solution containing a component functioning as a polarizer into a sealed chamber to form an injection condition of the coating solution, (b) supplying a polyvinyl alcohol film into the chamber and dyeing outer surfaces of the polyvinyl alcohol film with the coating solution, and (c) discharging the polyvinyl alcohol film dyed with the coating solution out of the chamber, a polarizing film manufacturing apparatus, and a polarizing film exhibiting improved optical properties manufactured using the same.