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:
Jul. 13, 2021
Filed:
Feb. 26, 2020
Applicant:
Nitto Denko Corporation, Ibaraki, JP;
Inventors:
Daisuke Ogomi, Ibaraki, JP;
Yuji Saiki, Ibaraki, JP;
Masahiro Yaegashi, Ibaraki, JP;
Kota Nakai, Ibaraki, JP;
Yuki Nakano, Ibaraki, JP;
Assignee:
NITTO DENKO CORPORATION, Ibaraki, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G02B 5/30 (2006.01); G02F 1/1335 (2006.01); H01L 51/52 (2006.01);
U.S. Cl.
CPC ...
G02B 5/3025 (2013.01); G02B 5/3033 (2013.01); G02F 1/133528 (2013.01); H01L 51/5281 (2013.01);
Abstract
A polarizer that can realize the multi-functionalization and high-functionalization of an electronic device, such as an image display apparatus. A polarizer including a resin film containing a dichroic substance, wherein the polarizer has a low dichroic substance concentration portion whose content of the dichroic substance is relatively low in the resin film. In the polarizer, the low dichroic substance concentration portion has a content of an alkali metal and/or an alkaline earth metal of 3.6 wt % or less.