公开(公告)号：US20230057142A1

公开(公告)日：2023-02-23

申请号：US17675482

申请日：2022-02-18

Applicant: Samsung Display Co., Ltd.

Inventor： Yuji SUZAKI ,  Hirokazu KUWABARA ,  Ryuhei FURUE ,  Tetuji HAYANO

IPC: H01L51/00 ,  C07F5/02 ,  C09K11/06

Abstract: A light emitting device of an embodiment includes a first electrode, a second electrode disposed on the first electrode, and an emission layer disposed between the first electrode and the second electrode. The emission layer may include a polycyclic compound of an embodiment represented by Formula 1. The light emitting device including the polycyclic compound of an embodiment may show improved efficiency and device life.

公开(公告)号：US20230120766A1

公开(公告)日：2023-04-20

申请号：US17834464

申请日：2022-06-07

Applicant: Samsung Display Co., Ltd.

Inventor： Yuji SUZAKI ,  Hirokazu KUWABARA ,  Ryuhei FURUE ,  Tetuji HAYANO

IPC: H01L51/00 ,  C07F5/02 ,  C09K11/06

Abstract: A light emitting device includes an emission layer disposed between electrodes. The emission layer includes a host and a delayed fluorescence dopant. The delayed fluorescence dopant includes a fused polycyclic compound represented by Formula 1: