Patent ID: 9076935
Filing Date: 2015-07-07
Classification: H01L

Abstract:
1. A light emitting diode comprising: a source layer comprising a first semiconductor layer, an active layer, and a second semiconductor layer stacked in series, wherein the first semiconductor layer comprises a first surface and a second surface opposite to the first surface, and the active layer and the second semiconductor layer are stacked on the second surface in series; a first electrode covering and contacting the first surface of the first semiconductor layer; a second electrode electrically connected with the second semiconductor layer, wherein the first electrode and the second electrode are positioned on two opposite sides of the first semiconductor layer; a lower optical symmetric layer disposed on the second semiconductor layer; a metallic plasma generating layer disposed on a surface of the lower optical symmetric layer away from the first semiconductor layer; an upper optical symmetric layer disposed on the metallic plasma generating layer; and a first optical symmetric layer disposed on a surface of the upper optical symmetric layer away from the first semiconductor layer, wherein a refractive index difference between the source layer and the first optical symmetric layer is less than or equal to 0.3.