| 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 a nitride phosphor (A) with 526-539 nm peak wavelength, 140-170% fluorescence intensity and 105-115 nm half value width, an oxynitride phosphor (B) with 540-545 nm peak wavelength, 280-300% fluorescence intensity, and a nitride phosphor (C) with 615-635 nm peak wavelength, where the blend ratio of the phosphors (A) is 39.0-72.0 mass%, the blend ratio of the phosphor (B) is 13.6-45.0 mass%, the blend ratio of the phosphor (C) is 10.0-20.0 mass%, and the total of phosphors (A), (B) and (C) is 88.0 mass% or more. |
