| 摘要 |
The present invention relates to a red phosphor which has a light emitting spectrum peak of 600 and 650 nm, the peak width of less than or equal to 10 nm, and a fluorescence lifetime of at least five milliseconds at room temperature. The red phosphor is a Mn-activated complex fluoride phosphor represented by formula (1), K_2SiF_6:Mn (1), wherein an amount of the Mn is less than or equal to 10 mol% with respect to the sum of Mn and Si. |
