Patent ID: 9620682
Date: 2017-04-11
CPC Classifications: H01L

Claim:
1. A light emitting device, comprising: a light emitting structure comprising a plurality of light emitting regions comprising a first semiconductor layer, an active layer and a second semiconductor layer; a first electrode disposed on the first semiconductor layer in one of the light emitting regions; a second electrode disposed on the second semiconductor layer in another of the light emitting regions; at least one connection electrode to sequentially connect the light emitting regions in series; and at least one intermediate pad disposed on the first or second semiconductor layer in at least still another of the light emitting regions, wherein the light emitting regions connected in series are divided into 1st to ith light emitting region groups, wherein areas of light emitting regions that belong to different groups are different from each other (where 1<i≦j, each of i and j is a natural number, and j is a last light emitting region group), wherein an area of a light emitting region which is more frequently used among the plurality of light emitting regions is larger than an area of a light emitting region which is less frequently used among the plurality of light emitting regions, wherein the first electrode is configured to be supplied with a first power, and wherein any one of the at least one intermediate pad and the second electrode is configured to be supplied with a second power.