Organic electroluminescence device and monoamine compound for organic electroluminescence device
申请人:Samsung Display Co., Ltd.
公开号:US11489125B2
公开(公告)日:2022-11-01
An organic electroluminescence device of an embodiment includes a first electrode, a second electrode provided on the first electrode, and a plurality of organic material layers provided between the first electrode and the second electrode, wherein at least one organic material layer among the plurality of organic material layers include a monoamine compound, and the monoamine compound includes a core structure including two condensed rings which are combined to form a spiro structure, where each condensed ring has a condensed structure of three or more pentagonal or hexagonal rings. High emission efficiency may be achieved.