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:
Apr. 21, 2025
Filed:
Oct. 06, 2020
Applicant:
Denka Company Limited, Tokyo, JP;
Inventors:
Taiyo Yamaura, Tokyo, JP;
Yuki Kubota, Tokyo, JP;
Kazuhiro Ito, Tokyo, JP;
Hideyuki Emoto, Tokyo, JP;
Assignee:
DENKA COMPANY LIMITED, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 33/50 (2009.12); C09K 11/67 (2005.12); H10H 20/851 (2024.12); H10H 20/825 (2024.12);
U.S. Cl.
CPC ...
H10H 20/8512 (2024.12); C09K 11/676 (2012.12); H10H 20/8514 (2024.12); H10H 20/825 (2024.12);
Abstract
A phosphor plate including: a complex containing an α-sialon phosphor and a sintered body containing spinel represented by a general formula MAlO(where M represents at least one of Mg, Mn, and Zn, and 0.2<x<0.6). In addition, there is provided a light emitting device including: a group III nitride semiconductor light emitting element; and the phosphor plate provided on one surface of the group III nitride semiconductor light emitting element. Further, there is provided a method for manufacturing the phosphor plate.