Patent ID: 9041029
Filing Date: 2015-05-26
Classification: B82Y,H01L

Abstract:
1. A light emitting diode, comprising: a substrate having a first surface and an opposite second surface, the second surface of the substrate being configured as a light emitting surface; a first semiconductor layer stacked on the substrate; an active layer stacked on the first semiconductor layer; and a second semiconductor layer stacked on the active layer; a first electrode electrically connected with the first semiconductor layer; a second electrode electrically connected with the second semiconductor layer; a plurality of three-dimensional nano-structures located on at least one surface of the substrate, wherein each of the plurality of three-dimensional nano-structures has a first peak and a second peak aligned side by side, a first groove is defined between the first peak and the second peak, a second groove is defined between each two adjacent three-dimensional nano-structures of the plurality of three-dimensional nano-structures, and a depth of the first groove is less than a depth of the second groove.