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公开(公告)号：US20200251663A1
公开(公告)日：2020-08-06
申请号：US16738886
申请日：2020-01-09
Applicant: Samsung Display Co., Ltd.
Inventor： Hyewon CHOI , Sungwook KIM , SeulOng KIM , Tsuyoshi NAIJO , Hyein JEONG , JungMin KANG
Abstract: Provided is an organic electroluminescence device including an emission layer between a first electrode and a second electrode, wherein the emission layer includes a first host represented by Formula 1, a second host which is different from the first host, a first dopant which is a thermally activated delayed fluorescence material having an electron donor and an electron acceptor, and a second dopant represented by Formula 2.
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