A light-emitting diode with high luminous efficiency is provided which is free from deformation or defects of a crystal caused by a dopant. The light-emitting diode emits no light of unnecessary wavelengths and has a wide selection of emission wavelengths. The light-emitting diode comprises a light-emitting...http://www.google.fr/patents/US20060261350?utm_source=gb-gplus-shareBrevet US20060261350 - Light-emitting diode
