Patent ID: 8927961
Filing Date: 2015-01-06
Classification: B82Y,H01L

Abstract:
1. A semiconductor light emitting device, comprising: a first conductive semiconductor layer including an n-type dopant; an active layer disposed on the first conductive semiconductor layer; a second conductive semiconductor layer disposed on the active layer; a third conductive semiconductor layer disposed between the active layer and the second conductive semiconductor layer; a fourth conductive semiconductor layer disposed between the third conductive semiconductor layer and the second conductive semiconductor layer; a fifth conductive semiconductor layer disposed between the fourth conductive semiconductor layer and the second conductive semiconductor layer; and a sixth conductive semiconductor layer disposed between the fifth conductive semiconductor layer and the second conductive semiconductor layer; a first electrode layer electrically connected to the first conductive semiconductor layer; and a second electrode layer electrically connected to the second conductive semiconductor layer, wherein the second to sixth conductive semiconductor layers include a p-type dopant, wherein the third to sixth conductive semiconductor layers include an AlGaN-based semiconductor layer, wherein the second conductive semiconductor layer is formed of a different semiconductor from the third to sixth conductive semiconductor layers, wherein the second conductive semiconductor layer includes a GaN-based semiconductor, wherein the sixth conductive semiconductor layer has a thickness of about 5 nm to about 100 nm, wherein the sixth conductive semiconductor layer has the thickness different from a thickness of each of the third and fourth conductive semiconductor layers, wherein the active layer includes plurality of quantum barrier layers and plurality of quantum well layers, wherein a cycle of the quantum barrier layer and the quantum well layer of the active layer includes a cycle of 2 to 10, wherein the plurality of quantum well layers include an InGaN semiconductor, and wherein the plurality of quantum barrier layers includes a GaN-based semiconductor.