Phosphor particles, and a method of preparing a light emitting diode

The present invention provides the phosphor particles, and a method of preparing a light emitting diode. The phosphor particles are provided in the form of spherical polycrystalline secondary particles, the secondary particles are composed of a plurality of primary particles, comprising a garnet phase having the following composition formula: (A1-xBx) 3C5O12, wherein A is Y, Gd, and / or Lu, B is Ce, Nd and / or Tb, C is Al and / or Ga, and 0.002≤x≤0.2, the secondary particles have an average particle size of 5-50μm.