| 摘要 |
The objective of the present invention is to provide an organic electroluminescent element which has improved luminous efficiency and improved durability. An organic electroluminescent element of the present invention is characterized in that an organic layer contains a thermally activated delayed fluorescent compound that has a structure represented by general formula (1). (In general formula (1), Ar represents an optionally fused aromatic hydrocarbon ring group or aromatic heterocyclic group, which is substituted by Q at least at one position; n represents a natural number, and if n is 2 or more, the plurality of Ar moieties may be different from each other; Q represents an electron-donating group or an electron-accepting group; L represents a divalent linking group; m represents a natural number, and if m is 2 or more, the plurality of L moieties may be different from each other; and p represents a natural number, and if p is 2 or more, the plurality of Ar moieties, the plurality of Q moieties and the plurality of L moieties may be different from each other, respectively.) |
