JP2014150188A5 - - Google Patents

Claims (10)

A semiconductor stack comprising a plurality of concave grooves each having a bottom and a flat base having an upper surface;
It comprises a first conductive material and a first layer located on the flat platform the upper surface of the includes a second electrically conductive material and a second layer positioned on the first layer A first electrode comprising:
A plurality of second electrodes respectively located at the bottom of each of the plurality of grooves,
A first insulating layer located in the plurality of concave grooves and on a part of the upper surface of the flat table, wherein the first insulating layer includes a plurality of passages; A first insulating layer exposing the second electrode;
A first electrode pad located on the first insulating layer and in contact with the first electrode;
A light-emitting element including a second electrode pad positioned on the plurality of second electrodes and in contact with the plurality of second electrodes .   The light emitting device of claim 1, further comprising a substrate positioned under the semiconductor stack. The semiconductor stack further includes a first conductive type semiconductor layer, an active layer, and a second conductive type semiconductor layer, wherein the active layer can emit light, and the plurality of concave grooves cross the active layer. The light emitting device according to claim 1. The first conductive type semiconductor layer is exposed from the bottom of the plurality of grooves, and the flat platform the upper surface of the light emitting device according to claim 3 comprising a second conductivity type semiconductor layer surface . The light emitting device according to claim 1 , further comprising a second insulating layer positioned between the first electrode and the first electrode pad. The light-emitting element according to claim 5 , wherein a partial region of the second insulating layer and the first insulating layer are in direct contact with each other.   The light emitting element according to claim 1, wherein the first conductive material and the second conductive material are different.   4. The light emitting device according to claim 3, wherein a reflectance of the first layer with respect to the light beam is larger than a reflectance of the second layer with respect to the light beam.   The light emitting element according to claim 1, wherein the first conductive material and / or the second conductive material includes a metal. The first electrode of the first layer and the first light emitting device according to claim 1 which are separated from each other and the insulating layer.