公开(公告)号：US20190148597A1

公开(公告)日：2019-05-16

申请号：US16225269

申请日：2018-12-19

Applicant: SEOUL VIOSYS CO., LTD.

Inventor： Jong Hyeon CHAE ,  Chang Yeon KIM ,  Joon Sup LEE ,  Dae Woong SUH ,  Won Young ROH ,  Ju Yong PARK ,  Seung Hyun KIM

IPC: H01L33/38 ,  H01L27/15

Abstract: A light emitting element according to an embodiment of the present invention comprises a first conductive-type semiconductor layer including a contact region on the lower surface thereof, a light emitting structure which includes a mesa including a second conductive-type semiconductor layer and an active layer, a second electrode, a first insulation layer, an electrode cover layer, a first electrode, a second insulation layer, and a support structure. In addition, the mesa may include a body part and a plurality of protrusion parts protruding from the body part, the contact region may be disposed between the protrusion parts, and a part of the contact region may overlap with a second metal bulk in the vertical direction. Accordingly, current spreading efficiency can be improved, and thus luminance efficiency can be more improved.