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:
Oct. 19, 2021
Filed:
Nov. 15, 2017
Current Lighting Solutions, Llc, East Cleveland, OH (US);
Digamber Gurudas Porob, Bangalore, IN;
Prasanth Kumar Nammalwar, Bangalore, IN;
Srinidhi Ramachandra, Bangalore, IN;
Matthew David Butts, Rexford, NY (US);
James Edward Murphy, Niskayuna, NY (US);
CURRENT LIGHTING SOLUTIONS, LLC, East Cleveland, OH (US);
Abstract
A process for coating a phosphor of formula I: A[MF]:Mnincludes combining the phosphor of formula I in particulate form with a first solution including a compound of formula II: A[MF] to form a suspension and combining a second solution with the suspension, the second solution including a precursor including an element selected from the group consisting of calcium, strontium, magnesium, yittrium, barium, scandium, lanthanum, and combinations thereof. A population of particles having a core including a phosphor of formula I and a manganese-free composite coating disposed on the core, and a lighting apparatus () including the population of particles are also presented.