公开(公告)号：US20230343810A1

公开(公告)日：2023-10-26

申请号：US18218386

申请日：2023-07-05

Applicant: SEOUL VIOSYS CO., LTD.

Inventor： Chang Yeon KIM ,  Jong Hyeon Chae ,  Jong Ming Jang ,  Ho Joon Lee ,  Seong Gyu Jang

IPC: H01L27/15 ,  H01L33/22 ,  H01L33/38 ,  H01L33/40 ,  H01L33/42 ,  G02B5/26 ,  H01L33/62 ,  H01L33/08 ,  H01L25/075

CPC classification number: H01L27/15 ,  H01L33/22 ,  H01L33/38 ,  H01L33/405 ,  H01L33/42 ,  G02B5/26 ,  H01L33/62 ,  H01L33/08 ,  H01L25/0756 ,  H01L33/46

Abstract: A light emitting device including a first LED sub-unit, a second LED sub-unit disposed under the first LED sub-unit, a third LED sub-unit disposed under the second LED sub-unit, a first ohmic electrode interposed between the first LED sub-unit and the second LED sub-unit, and in ohmic contact with the first LED sub-unit, a second ohmic electrode interposed between the second LED sub-unit and the third LED sub-unit, and in ohmic contact with the second LED sub-unit, a third ohmic electrode interposed between the second ohmic electrode and the third LED sub-unit, and in ohmic contact the third LED sub-unit, a plurality of electrode pads disposed on the first LED sub-unit, in which at least one of the first ohmic electrode, the second ohmic electrode, and the third ohmic electrode has a patterned structure.