Patent ID: 7759140
Filing Date: 2010-07-20
Classification: H01L

Abstract:
1. A method of manufacturing a light-emitting device, comprising: forming at least one protruded portion with a curved surface on a planarized substrate; and forming a first semiconductor crystal layer on the substrate to cover the surface of the protruded portions and planarizing said first semiconductor crystal layer; and sequentially forming an active layer and a second semiconductor crystal layer on the first semiconductor crystal layer, wherein the crystal surface orientations of the at least one protruded portion except the vertex thereof are different from growth directions of the semiconductor crystal layers; and the step of forming the first semiconductor crystal layer is performed so that a first growth rate of the first semiconductor crystal layer on the substrate surface between the protruded portions is higher than a second growth rate of the first semiconductor crystal layer on the surface of the protruded portions such that the majority of the growth of the first semiconductor crystal layer occurs on the substrate surface between the protruded portions.