Patent ID: 8188505
Filing Date: 2012-05-29
Classification: H01L

Abstract:
1. A light-emitting device comprising: a substrate; a light-emitting stack disposed on the substrate, comprising a first layer, a second layer, and a light-emitting layer disposed therebetween; a trench formed through the second layer, the light-emitting layer to the first layer wherein a part of the first layer is exposed; a first conductive structure disposed on the exposed part of the first layer in the trench; and a second conductive structure disposed on the second layer; wherein the first conductive structure comprises a first electrode and a first pad with an electrical connection formed therebetween; the second conductive structure comprises a second electrode and a second pad with an electrical connection formed therebetween; wherein at least one of the first pad and the second pad has an area between 1.5×10