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. 03, 2015
Filed:
Feb. 22, 2012
Bin Zhang, San Diego, CA (US);
Amane Mochizuki, Carlsbad, CA (US);
Toshitaka Nakamura, Osaka, JP;
Guang Pan, Carlsbad, CA (US);
Hiroaki Miyagawa, Oceanside, CA (US);
Hironaka Fujii, Carlsbad, CA (US);
Bin Zhang, San Diego, CA (US);
Amane Mochizuki, Carlsbad, CA (US);
Toshitaka Nakamura, Osaka, JP;
Guang Pan, Carlsbad, CA (US);
Hiroaki Miyagawa, Oceanside, CA (US);
Hironaka Fujii, Carlsbad, CA (US);
Nitto Denko Corporation, Osaka, JP;
Abstract
Disclosed herein are phosphor compositions having high gadolinium concentrations. Some embodiments include a thermally stable ceramic body comprising an emissive layer, wherein said emissive layer comprises a compound represented by the formula (AGdD)BO, wherein: D is a first dopant selected from the group consisting of Nd, Er, Eu, Mn, Cr, Yb, Sm, Tb, Ce, Pr, Dy, Ho, Lu and combinations thereof; A is selected from the group consisting of Y, Lu, Ca, La, Tb, and combinations thereof; B is selected from the group consisting of Al, Mg, Si, Ga, In, and combinations thereof; x is in the range of about 0.20 to about 0.80; and z is in the range of about 0.001 to about 0.10. Also disclosed are thermally stable ceramic bodies that can include the composition of formula I. Methods of making the ceramic body and a lighting device including the ceramic body are also disclosed.