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. 07, 2020
Filed:
Mar. 10, 2015
Lumileds Llc, San Jose, CA (US);
Volker Weiler, Aachen, DE;
Peter Josef Schmidt, Aachen, DE;
Philipp Alexander Hubert Pust, Aachen, DE;
Wolfgang Schnick, Gauting, DE;
LUMILEDS LLC, San Jose, CA (US);
Abstract
The invention provides a lighting unit () comprising a light source (), configured to generate light source light () and a luminescent material (), configured to convert at least part of the light source light () into luminescent material light (), wherein the luminescent material () comprises a phosphor (), wherein this phosphor comprises an alkaline earth aluminum nitride based material having a cubic crystal structure with T5 supertetrahedra, wherein the T5 supertetrahedra comprise at least Al and N, and wherein the alkaline earth aluminum nitride based material further comprises a luminescent lanthanide incorporated therein.