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. 20, 2018
Filed:
Dec. 16, 2014
General Electric Company, Schenectady, NY (US);
Anant Achyut Setlur, Niskayuna, NY (US);
Robert Joseph Lyons, Niskayuna, NY (US);
Prasanth Kumar Nammalwar, Bangalore, IN;
James Edward Murphy, Niskayuna, NY (US);
Florencio Garcia, Niskayuna, NY (US);
Ravikumar Hanumantha, Bangalore, IN;
General Electric Company, Schenectady, NY (US);
Abstract
A phosphor composition is derived from combining KSiF:Mnin solid form with a saturated solution of a manganese-free complex fluoride including a composition of formula I: A[MF], where A is selected from Na, K, Rb, and combinations thereof and M is selected from Al, Ga, In, Sc, Y, Gd, and combinations thereof. The composition of formula I: A[MF] has a water solubility lower than a water solubility of KSiF. A lighting apparatus including the phosphor composition is also provided.