| abstract |
A garnet ceramic phosphor with Ce and Mn co-doping, wherein calcium and silicon in the phosphor crystal host can be minimized for enhancing performance, is described herein. Also a ceramic phosphor element comprising a garnet phosphor having composition of formula 1 or 2 is described herein: n (A 1-x ,Ce x ) 3 (Al 1-y ,Mn y ) 5-w Si w O 12 (Formula 1)n n (Lu 1-x Ce x ) 3 (Al 1-y ,Mn y ) 5-w Si w O 12 (Formula 2). |