Wavelength converting material and application thereof

摘要

This disclosure discloses a wavelength converting material. The wavelength converting material comprises a plurality of wavelength converting particles, the wavelength converting particles having an average particle size greater than 5 μm, and wherein each of the wavelength converting particles has a particle size. 90% of the wavelength converting particles have the particle size smaller than a μm; 50% of the wavelength converting particles have the particle size smaller than b μm; and 10% of the wavelength converting particles have the particle size smaller than c μm; wherein (a−c)/b≦0.5.

主权项

1. A wavelength converting material, comprising:
a plurality of wavelength converting particles comprising a plurality of single particles and a plurality of aggregated particles; wherein only 90% of the plurality of wavelength converting particles is smaller than a μm; only 50% of the plurality of wavelength converting particles is smaller than b μm; only 10% of the plurality of wavelength converting particles is smaller than c μm; and (a−c)/b≦0.5.