| 摘要 |
PROBLEM TO BE SOLVED: To provide a novel blue-blue green phosphor useful for a white emission LED.SOLUTION: A phosphor comprises a crystal phase having a composition represented by the following formula [1]: MBaAlSiN(where, M is an activation element, and m, a, b, c, d are values satisfying the following formulas: 0<m≤0.2, m+a=1, 0.6≤b≤1.4, 6≤c≤7, 8.1≤d≤12.1).SELECTED DRAWING: Figure 1 |
