Patent ID: 7892451

Claim:
A phosphor comprising a nitrogen element, a compound having a garnet structure, and an activator, wherein said compound having a garnet structure is a compound represented by the formula 1.5M 1 2 O 3 .2.5((M 2 2 O 3 ) 1-x .(M 2 N) 2x ), wherein M 1 is at least one selected from the group consisting of Y, Lu, Sc, La, Gd and Sm; M 2 is at least one selected from the group consisting of Al, Ga and In; and x is larger than 0 and 0.6 or less, and said activator is at least one element selected from the group consisting of Ce, Pr, Nd, Eu, Tb, Dy, Ho, Er, Tm, Yb and Mn.