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:
Mar. 12, 2019
Filed:
Dec. 08, 2015
General Electric Company, Schenectady, NY (US);
Anant Achyut Setlur, Niskayuna, NY (US);
James Edward Murphy, Niskayuna, NY (US);
Florencio Garcia, Schenectady, NY (US);
Srinivas Prasad Sista, Altamont, NY (US);
General Electric Company, Schnectady, NY (US);
Abstract
A lighting apparatus is presented. The lighting apparatus includes a semiconductor light source, a color stable Mndoped phosphor and a quantum dot material, each of the color stable Mndoped phosphor and the quantum dot material being radiationally coupled to the semiconductor light source. A percentage intensity loss of the color stable Mndoped phosphor after exposure to a light flux of at least 20 w/cmat a temperature of at least 50 degrees Celsius for at least 21 hours is ≤4%. A backlight device including the lighting apparatus is also presented.