| abstract |
The present invention provides a phosphor which has a luminescent characteristic different from that of a conventional phosphor and has a high emission intensity and is chemically and thermally stable even when it is combined with an LED of 470 nm or less. Phosphor of the present invention, the composition formula is M d A e D f E g X h (In this formula, d + e + f + g + h = 1, M element selected from Mn, Ce, Pr, Nd, Sm, Eu, Tb, Dy, Yb One or more elements selected from Mg, Ca, Sr, and Ba; and the D element is at least one element selected from Si, Ge, Sn, Ti, Zr, and Hf One or two or more elements selected from among B, Al, Ga, In, Sc, Y and La and X element may be one or two selected from O, N and F, , And the parameters d, e, f, g, and h are represented by a composition satisfying all of the predetermined conditions. |