Patent ID: 8445920
Filing Date: 2013-05-21
Classification: H01L

Abstract:
1. A light emitting diode comprising: a substrate; two electrodes mounted on the substrate; a light emitting diode chip mounted over the substrate and electrically connected with the two electrodes; and an encapsulant sealing the light emitting diode chip, a light output surface being provided on the encapsulant opposite to and away from the light emitting diode chip, the encapsulant being doped with fluorescence particles and light diffusion particles, an average diameter of the diffusion particles being less than that of the fluorescence particles, a concentration of the diffusion particles in a portion of the encapsulant adjacent to the light output surface being larger than that of the diffusion particles in a portion of the encapsulant adjacent to the light emitting diode chip, a concentration of the fluorescence particles in the portion of the encapsulant adjacent to the light emitting diode chip being larger than that of the fluorescence particles in the portion of the encapsulant adjacent to the light output surface.