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:
Aug. 14, 2018
Filed:
Jun. 13, 2014
Applicant:
Lg Chem, Ltd., Seoul, KR;
Inventors:
Sung-Hyun Nam, Daejeon, KR;
Kyun-Il Rah, Daejeon, KR;
Jong-Hyun Jung, Daejeon, KR;
Hye-Min Yu, Daejeon, KR;
Assignee:
LG CHEM, LTD., Seoul, KR;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G02B 5/30 (2006.01); B32B 7/12 (2006.01); B32B 27/08 (2006.01); B32B 27/30 (2006.01); B32B 27/40 (2006.01); B32B 27/36 (2006.01); B32B 27/32 (2006.01); B32B 37/00 (2006.01); B32B 37/18 (2006.01); B32B 38/10 (2006.01); B32B 38/00 (2006.01); G02B 1/14 (2015.01); B32B 37/12 (2006.01);
U.S. Cl.
CPC ...
G02B 5/305 (2013.01); B32B 7/12 (2013.01); B32B 27/08 (2013.01); B32B 27/306 (2013.01); B32B 27/308 (2013.01); B32B 27/32 (2013.01); B32B 27/36 (2013.01); B32B 27/40 (2013.01); B32B 37/025 (2013.01); B32B 37/18 (2013.01); B32B 37/187 (2013.01); B32B 38/0012 (2013.01); B32B 38/10 (2013.01); G02B 1/14 (2015.01); B32B 2037/0092 (2013.01); B32B 2037/1253 (2013.01); B32B 2038/0028 (2013.01); B32B 2307/42 (2013.01); B32B 2309/02 (2013.01); B32B 2309/105 (2013.01); B32B 2310/0831 (2013.01); B32B 2331/04 (2013.01); B32B 2551/00 (2013.01);
Abstract
There is provided a method of manufacturing a thin polarizing plate including: forming a film laminate by attaching a non-stretched polyvinyl alcohol (PVA)-based film to a non-stretched base film, using attractive force therebetween or using an adhesive; stretching the film laminate; attaching a first protective film to the PVA-based film of the stretched film laminate; and separating the PVA-based film having the first protective film attached thereto from the base film.