US 12,249,673 B2
Light-emitting device and display apparatus including the same
Seogwoo Hong, Yongin-si (KR); Hyunjoon Kim, Seoul (KR); Joonyong Park, Suwon-si (KR); Kyungwook Hwang, Seoul (KR); and Junsik Hwang, Hwaseong-si (KR)
Assigned to SAMSUNG ELECTRONICS CO., LTD., Suwon-si (KR)
Filed by SAMSUNG ELECTRONICS CO., LTD., Suwon-si (KR)
Filed on Nov. 5, 2021, as Appl. No. 17/519,754.
Claims priority of provisional application 63/145,117, filed on Feb. 3, 2021.
Claims priority of application No. 10-2021-0058769 (KR), filed on May 6, 2021.
Prior Publication US 2022/0246801 A1, Aug. 4, 2022
Int. Cl. H01L 25/075 (2006.01); H01L 25/16 (2023.01); H01L 27/15 (2006.01); H01L 33/06 (2010.01); H01L 33/38 (2010.01)
CPC H01L 33/382 (2013.01) [H01L 27/156 (2013.01)] 17 Claims
OG exemplary drawing
 
1. A light-emitting device comprising:
a body comprising a first semiconductor layer, an active layer, and a second semiconductor layer;
a first electrode and a second electrode provided on a first surface of the body, the first electrode and the second electrode being in contact with a first surface of the first semiconductor layer and a first surface of the second semiconductor layer, respectively;
a third electrode and a fourth electrode provided on a second surface of the body, the third electrode and the fourth electrode being in contact with the first surface of the first semiconductor layer and a second surface of the second semiconductor layer opposite to the first surface of the second semiconductor layer, respectively; and
a first trench passing through the first semiconductor layer and the active layer and exposing the second semiconductor layer,
wherein the second electrode is in contact with the first surface of the first semiconductor layer via the first trench, the fourth electrode is in contact with the second surface of the second semiconductor layer, and the second electrode and the fourth electrode are not connected to each other.