| 摘要 |
PROBLEM TO BE SOLVED: To provide a fluophor having excellent light emitting characteristics such as high luminance, a production method thereof, and a light emitting device.SOLUTION: The fluophor includes the formula of ACeQEO. A includes at least one of Y, La, Gd, Tb and Lu. Q includes at least one of Ga, Al, In and Sc. E includes at least one of Ga, In, Sc, and Al. Ce is cerium. O is oxygen. In the formula, 0<a≤3 and 0≤e≤5 are satisfied, and diameter distribution span of the fluophor is less than 0.7. |
