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:
Sep. 30, 2025
Filed:
Apr. 04, 2019
Applicant:
Fudan University, Shanghai, CN;
Assignee:
FUDAN UNIVERSITY, Shanghai, CN;
Primary Examiner:
Int. Cl.
CPC ...
C09K 11/06 (2006.01); C09K 11/02 (2006.01); C09K 11/65 (2006.01);
U.S. Cl.
CPC ...
C09K 11/06 (2013.01); C09K 11/02 (2013.01); C09K 11/65 (2013.01); C09K 2211/1033 (2013.01); C09K 2211/1044 (2013.01); C09K 2211/1088 (2013.01); C09K 2211/1092 (2013.01); C09K 2211/1096 (2013.01); C09K 2211/18 (2013.01);
Abstract
Disclosed is a long-afterglow luminescent material, comprising A) at least one light-absorbing agent, B) at least one luminescent agent, and C) at least one photochemical cache agent. The light-absorbing agent and the luminescent agent are compounds having different structures, and the cache agent is selected from one or more compounds of formula (I), (II) and/or (III). The material has luminescent intensity reaching the level of commercialized inorganic long-afterglow powder SrAlO:Eu, Dy, and can emit light when the exciting light is turned off with a light emitting time up to 100 ms to 3600 s.