| 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 represents an activation element, and m, a, b, c independently represent values satisfying the following formulas: 0<m≤0.2, 0.08≤a≤0.13, 3≤b≤4.8, 3.8≤c≤5.8).SELECTED DRAWING: Figure 1 |
