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. 03, 2022
Filed:
Nov. 21, 2019
Panasonic Intellectual Property Management Co., Ltd., Osaka, JP;
Kei Toyota, Osaka, JP;
Shinnosuke Akiyama, Miyagi, JP;
Riho Moriyama, Osaka, JP;
Masato Mori, Hyogo, JP;
Abstract
A phosphor according to the present disclosure has excellent light emission properties in a blue-green region and high color rendering properties. The phosphor is represented by a chemical formula of LuMgZnAlO:Ce, in which when z is in a range of 0.01≤z≤0.03, then 0≤x≤1.4 and 0≤y≤1.4, excluding x=0 and y=0; when z is in a range of is 0.03<z≤0.06, then y<0.2 and 0.1≤x≤1.4, or x<0.2 and 0.1≤y≤1.4, or x=0.2 and y=0.2; when z is in a range of 0.06<z≤0.09, then y<0.2 and 0.1≤x<1.4, or x<0.2 and 0.1≤y<1.4; and when z is in a range of 0.09<z≤0.12, then y<0.2 and 0.1≤x<0.9, or x<0.2 and 0.1≤y<0.9.