Patent ID: 7355212
Filing Date: 2008-04-08
Classification: H01L

Abstract:
1. A light emitting element comprising: a substrate; a light emitting layer formed on said substrate to emit light, wherein said light emitting layer includes a first semiconductor layer, an active layer formed on said first semiconductor layer to emit the light and a second semiconductor layer formed on said active layer; a first electrode contacting said second semiconductor layer; and a second electrode contacting said first semiconductor layer, wherein said first electrode comprising: an ohmic layer in ohmic contact with said second semiconductor layer; a first barrier layer formed on said ohmic layer; a light reflecting layer formed on said first barrier layer and comprising a metal including Ag; a second barrier layer formed on said light reflecting layer; and an overcoat electrode for mounting formed on said second barrier layer; wherein said first barrier layer comprises a material different from that of said ohmic layer and said light reflecting layer comprises a material different from that of said overcoat electrode.