Patent ID: 7964112

Claim:
A phosphor comprising a fluorescent substance A 1 containing a compound represented by the following formula (II) and at least one activator selected from the group consisting of Eu and Mn, and a fluorescent substance B 1 containing an aluminate: (M 1 1−a Eu a )(M 2 1−b Mn b )M 3 2 O 6 (II) wherein M 1 is at least two selected from the group consisting of Ca, Sr and Ba, or Ca alone or Ba alone; M 2 is at least one selected from the group consisting of Mg and Zn; M 3 is at least one selected from the group consisting of Si and Ge; 0≦a≦0.5; 0≦b≦0.5; and 0<a+b; and wherein the weight ratio of fluorescent substance A 1 /fluorescent substance B 1 is from 5/95 to 95/5.