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11.发明授权公开(公告)号：US11557734B2
公开(公告)日：2023-01-17
申请号：US17085124
申请日：2020-10-30
Applicant: Samsung Display Co., Ltd.
Inventor： Ryuhei Furue , Hirokazu Kuwabara
Abstract: An organic electroluminescence device includes a first electrode, a second electrode, and an emission layer disposed between the first electrode and the second electrode, wherein the emission layer includes a polycyclic compound having a fused ring system and represented by Formula 1 to achieve high efficiency and improved efficiency drop characteristics in an emission wavelength range:
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