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. 25, 2021
Filed:
Nov. 18, 2016
Applicant:
Dyden Corporation, Fukuoka, JP;
Inventor:
Kiichiro Egoshi, Miyaki-gun Saga, JP;
Assignee:
Dyden Corporation, Fukuoka, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C09K 11/77 (2006.01); H01L 33/50 (2010.01); H05B 33/14 (2006.01); H01L 33/00 (2010.01); A61L 2/00 (2006.01); A61L 2/10 (2006.01); A61N 5/06 (2006.01);
U.S. Cl.
CPC ...
C09K 11/7774 (2013.01); A61L 2/0052 (2013.01); A61L 2/10 (2013.01); A61N 5/06 (2013.01); H01L 33/00 (2013.01); A61L 2202/11 (2013.01); A61N 2005/0656 (2013.01); A61N 2005/0661 (2013.01);
Abstract
An ultraviolet light-emitting phosphor having excellent degradation resistance and emission intensity is provided. The ultraviolet light-emitting phosphor is a phosphor comprising yttrium element, scandium element, aluminum element and oxygen element, which is excited by irradiation of vacuum ultraviolet rays or electron beams to emit ultraviolet rays.