Red emitting phosphor containing a crystal phase having a chemical composition represented by the following formula (1'), wherein the proportion of Mn based on the total mols of MIV' and Mn is at least 0.1 mol% and at most 6 mol%, and the specific surface area is at most 1.3 m2/g:
MI'2MIV'F6:R (1'),
In the formula (1'), MI' is at least one element selected from the group consisting of K and Na, MIV'; is Si, and R is Mn.
红色发光荧光粉,其晶相具有下式(1')表示的
化学成分,其中 Mn 的比例在 MIV'和 Mn 的总摩尔数中至少为 0.1 mol%,最多为 6 mol%,比表面积最多为 1.3 m2/g:
mi'2miv'f6:r (1')、
式(1')中,MI'是从 K 和 Na 组成的组中选出的至少一种元素,MIV';是 Si,R 是 Mn。