Patent ID: 7176501

Claim:
A terbium borate-based yellow phosphor represented by the following general formula: (Tb 1-x-y-z RE x A y ) 3 D a B a O 12 :Ce z wherein: RE is at least one rare earth element selected from the group consisting of Y, Lu, Sc, La, Gd, Sm, Pr, Nd, Eu, Dy, Ho, Er, Tm and Yb; A is at least one typical metal element selected from the group consisting of Li, Na, K, Rb, Cs and Fr; D is at least one typical amphoteric element selected from the group consisting of Al, In and Ga;0≦x<0.5;0≦y<0.5;0<z<0.5;0<a<5; and 0<b<5.