Patent ID: 8643048
Filing Date: 2014-02-04
Classification: H01L

Abstract:
1. A light emitting device comprising: a light emitting structure comprising a first area comprising a first semiconductor layer doped with a first dopant, a second semiconductor layer doped with a second dopant and a first active layer disposed between the first and second semiconductor layers, and a second area comprising a third semiconductor layer doped with the first dopant and comprising an exposed region, a fourth semiconductor layer disposed on the third semiconductor layer except for the exposed region and doped with the second dopant and a second active layer disposed between the third and fourth semiconductor layers, and the second area disposed on the first semiconductor and provided with first and second trenches formed from the fourth semiconductor layer to the first semiconductor layer and separated from each other; a first electrode comprising first and second electrode pad disposed on the first semiconductor layer exposed by the first and second trenches; a second electrode disposed on the exposed region of the third semiconductor layer and a hole formed at the exposed region, disposed on the second semiconductor layer, and electrically connected to the second and third semiconductor layers; and a third electrode disposed on the fourth semiconductor layer and comprising a third electrode pad contacting the first and second electrode pad, a fourth electrode pad contacting the first electrode pad and a fifth electrode pad contacting the second electrode pad.