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:
Jun. 18, 2024
Filed:
Mar. 19, 2019
Applicant:
Denka Company Limited, Tokyo, JP;
Inventors:
Yusuke Takeda, Omuta, JP;
Tomohiro Nomiyama, Omuta, JP;
Manabu Kobayashi, Omuta, JP;
Shintaro Watanabe, Omuta, JP;
Assignee:
DENKA COMPANY LIMITED, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C09K 11/64 (2006.01); C09K 11/08 (2006.01); C09K 11/77 (2006.01); H01L 33/50 (2010.01);
U.S. Cl.
CPC ...
C09K 11/646 (2013.01); C09K 11/0883 (2013.01); C09K 11/77066 (2021.01); C09K 11/77348 (2021.01); H01L 33/502 (2013.01); C01P 2002/30 (2013.01); C01P 2004/51 (2013.01); C01P 2004/90 (2013.01); C01P 2006/11 (2013.01);
Abstract
A β-sialon phosphor represented by general formula: SiAlON(0<z<4.2) has as a host crystal, a crystal structure identical to that of a β-sialon crystal phase and having a bulk density of 0.80 g/cmor more and 1.60 g/cmor less. Also, a light-emitting element includes the β-sialon phosphor and a semiconductor light-emitting element capable of exciting the β-sialon phosphor.