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:
Feb. 01, 2022
Filed:
Mar. 19, 2019
Denka Company Limited, Tokyo, JP;
DENKA COMPANY LIMITED, Tokyo, JP;
Abstract
An α-sialon phosphor represented by general formula: MEu(Si,Al)(O,N), where M represents at least one or more elements selected from Li, Mg, Ca, Y and a lanthanoid (excluding La and Ce), 0<x, and 0<y, where the phosphor includes, as a host crystal, a crystal structure identical to that of an α-sialon crystal phase, and the phosphor has a bulk density of 1.00 g/cmor more and 1.80 g/cmor less. Also provided is a light-emitting element including the α-sialon phosphor and a semiconductor light-emitting element capable of exciting the α-sialon phosphor.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile