Patent ID: 7476338

Claim:
A phosphor, which is given by a general composition formula expressed by MmAaDbOoNn:Z, (wherein element M is at least one kind of element having bivalent valency, element A is at least one kind of element having tervalent valency selected from the group consisting of Al, Ga, In, Tl, Y, Sc, P, As, Sb, and Bi, element D is at least one kind of element having tetravalent valency, O is oxygen, N is nitrogen, and element Z is at least one kind of element selected from rare earth elements or transitional metal elements, expressed by m=a=b=1, and n=2/3M+a+4/3b−2/3o), and further containing boron and/or fluorine wherein a content of the boron not less than 0.001 wt % and not more than 3.0 wt %.