A nitride-based light emitting device capable of achieving an enhancement in emission efficiency and an enhancement in reliability is disclosed. The light emitting device includes a semiconductor layer, and a light extracting layer arranged on the semiconductor layer and made of a material having a refractive...http://www.google.es/patents/US8003993?utm_source=gb-gplus-sharePatente US8003993 - Light emitting device having light extraction structure
Light emitting device having light extraction structure
