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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
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.
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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
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:
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