公开(公告)号：US20250072205A1

公开(公告)日：2025-02-27

申请号：US18739214

申请日：2024-06-10

Applicant: Samsung Display Co., LTD.

Inventor： Hye Won CHOI ,  Dae Woong LEE ,  Hyeong Pil KIM ,  Il Soo OH

IPC: H10K50/19 ,  H10K50/13 ,  H10K101/30 ,  H10K101/40 ,  H10K102/00

Abstract: A light emitting element includes an anode electrode, a cathode electrode facing the anode electrode, and a light emitting structure provided between the anode electrode and the cathode electrode, and including a first light emitting unit, a charge generation layer, and a second light emitting unit. The second light emitting unit includes a second hole transport unit provided on the charge generation layer, a second light emitting layer provided on the second hole transport unit, an intermediate layer provided on the second light emitting layer, a third light emitting layer provided on the intermediate layer, and a second electron transport unit provided between the third light emitting layer and the cathode electrode.