| abstract |
Provided are a phosphor and a method for producing the same, which are practically less problematic in emission intensity. A phosphor substantially comprising a compound represented by the formula (1). aM 1 2 O ยท b (M 2 1-x M 3 x ) 2 O 3 (1) (In the formula (1), M 1 is Na and / or K, M 2 is one or more elements selected from the group consisting of Sc, In, Yb, Tm and Lu, and M 3 is Tb. , Mn, Ce, and Eu, one or more elements selected from the group consisting of a, a in the range of 0.4 to 0.6, and b in the range of 0.4 to 0.6. And x is a value in the range of 0.0005 to 0.5.) [Selection figure] None |