| 摘要 |
PROBLEM TO BE SOLVED: To provide a phosphor having high brightness, high temperature characteristics and long-term reliability, and to provide a white light-emitting device using the phosphor.SOLUTION: The phosphor includes an oxynitride phosphor (A) with 530-535 nm peak wavelength and 200-230% fluorescence intensity, an oxynitride phosphor (B) with 585-604 nm peak wavelength and 62% or more external quantum efficiency, and a nitride phosphor (C) with 645-655 nm peak wavelength, where the blend ratios of the phosphors (A) and (B) are each 30-50 mass%, and the blend ratio of the phosphor (C) is 10-20 mass%. |
