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:
May. 18, 2021
Filed:
Jul. 25, 2018
Applicants:
Toshiba Materials Co., Ltd., Yokohama, JP;
Tsubota Laboratory, Inc., Tokyo, JP;
Inventors:
Masahiko Yamakawa, Yokohama, JP;
Hidemasa Torii, Tokyo, JP;
Toshihide Kurihara, Tokyo, JP;
Kazuo Tsubota, Tokyo, JP;
Assignees:
Toshiba Materials Co., Ltd., Yokohama, JP;
Tsubota Laboratory, Inc., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61N 5/00 (2006.01); A61N 5/06 (2006.01); A61F 9/00 (2006.01); F21S 2/00 (2016.01); H01L 33/50 (2010.01); F21V 9/38 (2018.01); C09K 11/77 (2006.01); H01L 25/075 (2006.01);
U.S. Cl.
CPC ...
A61N 5/0613 (2013.01); A61F 9/00 (2013.01); A61N 5/06 (2013.01); C09K 11/7734 (2013.01); C09K 11/7738 (2013.01); F21S 2/00 (2013.01); F21V 9/38 (2018.02); H01L 25/0753 (2013.01); H01L 33/50 (2013.01); H01L 33/504 (2013.01); A61N 2005/0651 (2013.01); A61N 2005/0654 (2013.01); A61N 2005/0663 (2013.01); A61N 2005/0667 (2013.01);
Abstract
A light source for myopia prevention article includes a light emitter to emit light having an emission spectrum continuing from a first wavelength of not less than 360 nm nor more than 400 nm to a second wavelength of more than 400 nm.