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:
Jul. 06, 2021
Filed:
Sep. 16, 2019
Applicant:
Industry-academia Cooperation Group of Sejong University, Seoul, KR;
Inventors:
Kee-sun Sohn, Seoul, KR;
Min-seuk Kim, Seoul, KR;
Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 33/00 (2010.01); H01L 31/0203 (2014.01); H01L 21/00 (2006.01); C09K 11/61 (2006.01); H01L 33/50 (2010.01); H01L 33/52 (2010.01);
U.S. Cl.
CPC ...
C09K 11/61 (2013.01); H01L 33/502 (2013.01); H01L 33/52 (2013.01); H01L 2924/181 (2013.01);
Abstract
The invention relates to a red phosphor with a narrow full width at half maximum, having improved decay time and resolving afterglow phenomenon. The fluoride-based phosphor according to the invention is characterized in including a host having a composition of the following [Formula 1] including rubidium (Rb), cesium (Cs), silicon (Si) and fluorine (F) as constituent elements, and manganese (Mn) which is solid solution treated in the host as an activator:RbCsSiF  [Formula 1] (where, 0<x<3).