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. 14, 2026
Filed:
Aug. 25, 2022
Applicant:
Nano and Advanced Materials Institute Limited, Hong Kong, CN;
Inventors:
Assignee:
Nano and Advanced Materials Institute Limited, Hong Kong, CN;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C09K 11/77 (2006.01);
U.S. Cl.
CPC ...
C09K 11/7787 (2013.01);
Abstract
A red-luminescent long-afterglow phosphor, represented by MgZnGeO: aMn, bEu, cR. The phosphor is a kind of oxide compound based white powder. The phosphor powder synthesis process is environmentally friendly, no sintering-assisted gas required and no harmful gas generated during or after sintering. The phosphor powder can be excited by UV and is chemically stable.