公开(公告)号：US11871651B2

公开(公告)日：2024-01-09

申请号：US16998920

申请日：2020-08-20

Applicant: Samsung Display Co., Ltd.

Inventor： Hirokazu Kuwabara ,  Yoshiro Sugita ,  Ryuhei Furue

IPC: H10K85/30 ,  H10K50/12 ,  H10K50/16 ,  H10K50/155

CPC classification number: H10K85/322 ,  H10K50/12 ,  H10K50/155 ,  H10K50/16

Abstract: An organic electroluminescence device of an embodiment of the present disclosure includes a first electrode, a hole transport region disposed on the first electrode, an emission layer disposed on the hole transport region, an electron transport region disposed on the emission layer, and a second electrode disposed on the electron transport region. The emission layer may include a polycyclic compound represented by Formula 1 to thereby exhibit high luminous efficiency: