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:
Feb. 26, 2019
Filed:
Oct. 31, 2016
Applicant:
Nitto Denko Corporation, Ibaraki-shi, Osaka, JP;
Inventors:
Katsunori Takada, Ibaraki, JP;
Daisuke Ogomi, Ibaraki, JP;
Shinobu Nagano, Ibaraki, JP;
Eiko Suefusa, Ibaraki, JP;
Yoshitsugu Kitamura, Ibaraki, JP;
Hiroki Kuramoto, Ibaraki, JP;
Youichirou Sugino, Ibaraki, JP;
Keisuke Kimura, Ibaraki, JP;
Assignee:
NITTO DENKO CORPORATION, Ibaraki-shi, JP;
Primary Examiner:
Int. Cl.
CPC ...
G02B 1/08 (2006.01); G02B 5/30 (2006.01); B32B 3/24 (2006.01); B32B 5/14 (2006.01); B32B 3/26 (2006.01); G02B 1/14 (2015.01); B32B 27/30 (2006.01); B32B 38/04 (2006.01);
U.S. Cl.
CPC ...
G02B 5/3033 (2013.01); B32B 3/266 (2013.01); B32B 5/142 (2013.01); B32B 5/147 (2013.01); G02B 1/08 (2013.01); G02B 1/14 (2015.01); B32B 27/306 (2013.01); B32B 2038/042 (2013.01); B32B 2038/047 (2013.01); B32B 2307/402 (2013.01); B32B 2307/42 (2013.01); B32B 2329/04 (2013.01); B32B 2551/00 (2013.01);
Abstract
There is provided a polarizer excellent in heat resistance. A polarizer according to an embodiment of the present invention includes a resin film containing iodine, wherein an end portion of the resin film has formed therein a high-concentration portion having a concentration of a substance that forms a counter ion of iodine higher than that of another portion.