A phosphor for vacuum ultraviolet ray-excited light-emitting elements which comprises
a compound represented by the following formula (I):
(wherein M1 is at least one element selected from the group consisting
of La, Y and Gd, M2 is at least one element selected from the group
consisting of Ce and Tb, M3 is at least one element selected from the
group consisting of Ca, Sr and Ba, M4 is at least one element selected
from the group consisting of Mg and Zn, M5 is at least one element selected
from the group consisting of Al and Ga, and M6 is at least one element
selected from the group consisting of Mn and Eu, and a, b, c, d, e and f are numbers
satisfying the conditions of 0a1, 0b0.6, 0c0.5,
0d0.5, 0e1, 0f1, a+b+c+d1 and
0c+d+e+f), respectively.
