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:
Oct. 16, 2018
Filed:
Sep. 23, 2014
Applicant:
Lg Chem, Ltd., Seoul, KR;
Inventors:
Jonghyun Jung, Daejeon, KR;
Sung Hyun Nam, Daejeon, KR;
Kyun II Rah, 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); B29C 55/06 (2006.01); B29C 55/14 (2006.01);
U.S. Cl.
CPC ...
G02B 5/305 (2013.01); B29C 55/06 (2013.01); G02B 5/3033 (2013.01); B29C 55/146 (2013.01);
Abstract
The present invention relates to a method for manufacturing a thin polarizer, the method comprising the steps of: forming an auxiliary support on both ends in the transverse direction (TD) of an unstretched polyvinyl alcohol-based film; and wet-stretching the polyvinyl alcohol-based film, which has the auxiliary support formed thereon, in the machine direction (MD) of the polyvinyl alcohol-based film, in such that the thickness of the polyvinyl alcohol-based film is 10 μm or less.