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:
Apr. 09, 2019
Filed:
Jun. 16, 2014
Applicant:
Lg Chem, Ltd., Seoul, KR;
Inventors:
Sung-Hyun Nam, Daejeon, KR;
Jong-Hyun Jung, Daejeon, KR;
Kyun-Il Rah, Daejeon, KR;
Hye-Min Yu, Daejeon, KR;
Assignee:
LG CHEM, LTD., Seoul, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02B 5/30 (2006.01); B32B 27/40 (2006.01); B32B 7/12 (2006.01); B32B 27/08 (2006.01); B32B 27/30 (2006.01); B29C 55/00 (2006.01); B29C 55/02 (2006.01); B29L 11/00 (2006.01); B29K 29/00 (2006.01); B29K 75/00 (2006.01); B32B 37/12 (2006.01); B32B 43/00 (2006.01); B32B 38/00 (2006.01);
U.S. Cl.
CPC ...
G02B 5/305 (2013.01); B29C 55/005 (2013.01); B29C 55/023 (2013.01); B32B 7/12 (2013.01); B32B 27/08 (2013.01); B32B 27/306 (2013.01); B32B 27/40 (2013.01); B29K 2029/00 (2013.01); B29K 2075/00 (2013.01); B29L 2011/0066 (2013.01); B32B 37/12 (2013.01); B32B 43/006 (2013.01); B32B 2038/0028 (2013.01); B32B 2274/00 (2013.01); B32B 2307/4026 (2013.01); B32B 2307/414 (2013.01); B32B 2307/42 (2013.01); B32B 2307/514 (2013.01); B32B 2307/54 (2013.01); B32B 2307/582 (2013.01); B32B 2307/732 (2013.01); B32B 2309/105 (2013.01); B32B 2551/00 (2013.01);
Abstract
There is provided a stretched laminate formed by stretching a laminate including: a non-stretched thermoplastic polyurethane film; and a non-stretched polyvinyl alcohol-based film attached to at least one surface of the thermoplastic polyurethane film, wherein the polyvinyl alcohol-based film has a thickness of 10 μm or less after stretching. In addition, there are provided a method of manufacturing a thin polarizer using the stretched laminate, a thin polarizer manufacturing by the method, and a polarizing plate including the thin polarizer.