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:
Jun. 27, 2017
Filed:
Aug. 20, 2014
Applicant:
Nitto Denko Corporation, Ibaraki-shi, Osaka, JP;
Inventors:
Assignee:
NITTO DENKO CORPORATION, Ibaraki-shi, JP;
Primary Examiner:
Int. Cl.
CPC ...
G02B 5/30 (2006.01); G02B 1/08 (2006.01); B29D 11/00 (2006.01); B29C 47/02 (2006.01); B29K 29/00 (2006.01); B29K 105/00 (2006.01); B29C 47/00 (2006.01); B29K 31/00 (2006.01);
U.S. Cl.
CPC ...
G02B 1/08 (2013.01); B29C 47/025 (2013.01); B29D 11/00644 (2013.01); B29D 11/00894 (2013.01); G02B 5/3033 (2013.01); B29C 47/0057 (2013.01); B29K 2029/04 (2013.01); B29K 2031/04 (2013.01); B29K 2105/256 (2013.01); B29K 2995/0034 (2013.01);
Abstract
There is provided a polarizing film that is excellent in external appearance and can contribute to the improvement of the display characteristics of an image display apparatus. A polarizing film according to an embodiment of the present invention includes a polyvinyl alcohol-based resin film containing iodine. The polarizing film has a ratio I/Ibetween an iodine concentration Ion one surface and an iodine concentration Ion another surface of 3.0 or more.