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:
Aug. 24, 2021
Filed:
Mar. 06, 2019
Current Lighting Solutions, Llc, East Cleveland, OH (US);
James Edward Murphy, Niskayuna, NY (US);
Anant Achyut Setlur, Niskayuna, NY (US);
Florencio Garcia, Schenectady, NY (US);
Robert Joseph Lyons, Burnt Hills, NY (US);
Ashfaqul Islam Chowdhury, Broadview Heights, OH (US);
Nagaveni Karkada, Bangalore, IN;
Prasanth Kumar Nammalwar, Bangalore, IN;
William Winder Beers, Chesterland, OH (US);
CURRENT LIGHTING SOLUTIONS, LLC, East Cleveland, OH (US);
Abstract
A lighting apparatus includes a semiconductor light source in direct contact with a polymer composite comprising a color stable Mndoped phosphor, wherein the lighting apparatus has a color shift of ≤1.5 MacAdam ellipses after operating for at least 2,000 hour at a LED current density greater than 2 A/cm, a LED wall-plug efficiency greater than 40%, and a board temperature greater than 25° C.