Patent ID: 7768025
Filing Date: 2010-08-03
Classification: H01L

Abstract:
1. A light emitting device, comprising: a supporting layer; a first electrode on the supporting layer, the first electrode including an ohmic electrode and a reflective electrode; a second electrode on the first electrode; a semiconductor structure comprising a first surface and a second surface opposite the first surface, the semiconductor structure arranged between the first electrode and the second electrode, wherein the first electrode, relative to the second electrode, is proximate to and aligned with the first surface, and the second electrode, relative to the first electrode, is proximate to and aligned with the second surface; a light-extraction structure that is part of the second surface of the semiconductor structure; and a passivation layer disposed on at least one surface of the semiconductor structure, wherein the first electrode comprises a surface facing the first surface of the semiconductor structure, wherein the area of the surface of the first electrode and the area of the first surface of the semiconductor structure are different, and wherein the thickness of the reflective electrode is in the range of 300 Å to 5000 Å.