| abstract |
The present invention provides a kind of compound and its application, organic electroluminescence device comprising it, described compound has the structure of formula (I), wherein carbonyl and aryl boron are used as acceptor group together, the application of described compound is As a material for the light-emitting layer in an organic electroluminescent device, the organic electroluminescent device includes a first electrode, a second electrode, and an organic layer between the first electrode and the second electrode, and in the organic layer Contains said compound. The compound has good electron transport capability, suitable carrier mobility and low injection energy barrier, and can effectively reduce the turn-on voltage and improve luminous efficiency when used in an organic electroluminescence device. |