摘要 |
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 (AI-x-zGdxDz)3B5012, 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 and about 0.80; and z is in the range of about 0.001 and 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. |
申请人 |
NITTO DENKO CORPORATION;ZHANG, BIN;MOCHIZUKI, AMANE;NAKAMURA, TOSHITAKA;PAN, GUANG;MIYAGAWA, HIROAKI;FUJII, HIRONAKA |
发明人 |
ZHANG, BIN;MOCHIZUKI, AMANE;NAKAMURA, TOSHITAKA;PAN, GUANG;MIYAGAWA, HIROAKI;FUJII, HIRONAKA |