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公开(公告)号:US12159861B2
公开(公告)日:2024-12-03
申请号:US17722369
申请日:2022-04-17
Applicant: SEOUL VIOSYS CO., LTD.
Inventor: Seong Kyu Jang , Yong Woo Ryu , Seom Geun Lee , Cha E Kim
Abstract: A light emitting device including a first LED stack, a second LED stack disposed on the first LED stack, a third LED stack disposed on the second LED stack, and a common electrode electrically connected to a first conductivity type semiconductor layer of each of the first, second, and third LED stacks, in which the common electrode includes a step in at least one of the first, second and third LED stacks.