Patent ID: 7935554
Filing Date: 2011-05-03
Classification: H01L

Abstract:
1. A method of manufacturing a semiconductor light emitting device having a nano pattern, the method comprising: (a) forming a first semiconductor layer on a substrate; (b) forming etch pits in defect regions of the first semiconductor layer by wet-etching an upper surface of the first semiconductor; (c) forming a nano pattern by filling the etch pits of the first semiconductor layer with light-transmissive material; and sequentially forming a second semiconductor layer, an active layer, and a third semiconductor layer on the first semiconductor layer, wherein step (c) comprises: coating a light-transmissive material over the first semiconductor layer to fill the etch pits; and leveling the first semiconductor layer such that a surface of the first semiconductor layer is exposed and the exposed surface of the first semiconductor layer is coplanar with the filled light transmissive material.