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. 17, 2018
Filed:
Aug. 31, 2015
Koninklijke Philips N.v., Eindhoven, NL;
Koninklijke Philips N.V., , NL;
Abstract
The invention provides a light emitting diode device comprising a light emitting diode arranged on a substrate and a wavelength converting element. The wavelength converting element contains as a luminescent material a Mn-activated fluoride compound having a garnet-type crystal structure. The Mn-activated fluoride compound preferably answers the general formula {A}[BMnMg](Li)FO, in which formula A stands for at least one element selected from the series consisting of Naand Kand B stands for at least one element selected from the series consisting of Al, B, Sc, Fe, Cr, Tiand In, and in which formula x ranges between 0.02 and 0.2, y ranges between 0.0 (and incl. 0.0) and 0.4 and d ranges between 0 (and incl. 0) and 1. Said compound is most preferably {Na}[AlMnMg](Li)FO.