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
Fudan University, Shanghai, CN;
FUDAN UNIVERSITY, Shanghai, CN;
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.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile