Nitrogen-containing heterocyclic compound, electronic device and application of electronic device

The invention discloses a nitrogen-containing heterocyclic compound, an electronic device and an application of the electronic device. The nitrogen-containing heterocyclic compound has a structure shown in the description. The nitrogen-containing heterocyclic compound has the property of thermal activation delayed fluorescence. A nitrogen-containing heterocyclic ring used as an electron donor is connected with an electron-deficient receptor group to form D-A type molecules with intramolecular charge transfer, and a large torsion angle in the D-A is used for reducing molecular front line orbitoverlapping, so that the singlet state-triplet state energy level is reduced, triplet state excitons can return to the singlet state through reverse intersystem crossing and finally return to the ground state in a radiation transition mode to emit fluorescence, the exciton utilization rate is increased, and finally the purpose of improving the device efficiency is achieved. 本发明公开含氮杂环化合物、电子器件及其应用。所述含氮杂环化合物，具有以下结构:本发明的含氮杂环化