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:
Sep. 08, 2015
Filed:
Aug. 02, 2013
Nitto Denko Corporation, Osaka, JP;
Bin Zhang, San Diego, CA (US);
Rajesh Mukherjee, Irvine, CA (US);
Hironaka Fujii, Carlsbad, CA (US);
Hiroaki Miyagawa, Oceanside, CA (US);
Guang Pan, Carlsbad, CA (US);
Toshitaka Nakamura, Osaka, JP;
Amane Mochizuki, Carlsbad, CA (US);
NITTO DENKO CORPORATION, Osaka, JP;
Abstract
Some embodiments disclosed herein include a lighting apparatus having a composite. The composite may include a first emissive layer and a second emissive layer. The first emissive layer may include a first garnet phosphor having a common dopant. The second emissive layer may include a second garnet phosphor having the common dopant. In some embodiments, the first emissive layer and the second emissive layer are fixed together. Some embodiments disclosed herein include efficient and economic methods of making the composite. The method may include, in some embodiments, sintering an assembly that includes pre-cursor materials for the first emissive layer and the second emissive layer.