| 摘要 |
PROBLEM TO BE SOLVED: To provide a phosphor exhibiting strong light emission without using large amounts of rare-earth elements.SOLUTION: A silicate green phosphor with activating terbium has a composition represented by the general formula: M(MTb)(MAl)O, where Mis a divalent metal element at least including Ba; Mis a trivalent metal element at least including Y; Mis a tetravalent metal element at least including Si, 0<x<0.20 and 0<y<0.20 are satisfied, and a, b and c are positive numbers excluding 0. |
