公开(公告)号：US11785809B2

公开(公告)日：2023-10-10

申请号：US17411612

申请日：2021-08-25

Applicant: Samsung Display Co., LTD.

Inventor： Hyun Wook Lee ,  Ki Nyeng Kang ,  Basrur Veidhes ,  Sung Won Jo ,  Jung Eun Hong

IPC: H01L25/16 ,  H10K59/122 ,  H10K59/124

CPC classification number: H10K59/122 ,  H10K59/124

Abstract: A display device includes an emission area and a sub-region spaced apart from the emission area in a first direction, electrodes extending in the first direction, disposed across the emission area and the sub-region, and spaced apart from each other in a second direction, a first bank surrounding the emission area and the sub-region, and light emitting elements disposed on the electrodes spaced apart in the second direction in the emission area. The first bank includes trench portions in which a top surface of the first bank is partially depressed. The trench portions are disposed between the emission area and the sub-region.