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:
Nov. 16, 1999
Filed:
Nov. 18, 1997
Applicant:
Inventors:
Henry F Gray, Alexandria, VA (US);
Jianping Yang, Boise, ID (US);
David S Hsu, Alexandria, VA (US);
Banhalli R Ratna, Springfield, VA (US);
Assignee:
Other;
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
C09K / ;
U.S. Cl.
CPC ...
2523 / ; 2523 / ; 2523 / ; 2523 / ; 2523 / ; 2523015 ; 2523 / ; 2523 / ; 2523 / ; 2523 / ; 428303 ; 428304 ;
Abstract
Phosphors having a doped core are surrounded by a shell material. Additionally, these nanocrystalline phosphors, or larger phosphors formed by conventional or other processes may be surrounded by a shell that prevents or significantly reduces non-radiative recombination at the surface of the original phosphor.
Gray, Henry. (1999). Phosphors having a semiconductor host surrounded by a shell (U.S. Patent No. 5985173). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5985173
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile