Nitrogen-containing compound, and electronic element and electronic device using same

A nitrogen-containing compound, having a structural formula as shown in Formula 1:

• wherein ring A and ring B are the same or different, and are each independently selected from a benzene ring and a naphthalene ring, and the ring A and the ring B are not benzene rings at the same time;
• L is selected from a single bond, unsubstituted phenylene, unsubstituted naphthylene, unsubstituted biphenylene, unsubstituted dibenzothienylidene, and unsubstituted dibenzofurylidene;
• L is connected with the ring A or the ring B;
• each Q1 and each Q2 are the same or different, and are each independently selected from deuterium, halogen group, cyano, haloalkyl with 1 to 10 carbon atoms, alkyl with 1 to 10 carbon atoms, cycloalkyl with 3 to 15 carbon atoms, alkoxy with 1 to 4 carbon atoms, alkylthio with 1 to 4 carbon atoms, trialkylsilyl with 3 to 12 carbon atoms, triarylsilyl with 18 to 24 carbon atoms, aryl with 6 to 12 carbon atoms, aralkyl with 7 to 13 carbon atoms, heteroaryl with 4 to 12 carbon atoms, and heteroaralkyl with 5 to 13 carbon atoms;
• n represents the number of Q1, which is selected from 0;
• and m represents the number of Q2, which is selected from 0;
• is selected from the following groups:
• wherein, represents a chemical bond;
• Ar1 and Ar2 are the same or different, and are each independently selected from hydrogen, substituted or unsubstituted phenyl, substituted or unsubstituted naphthyl, substituted or unsubstituted biphenyl, substituted or unsubstituted terphenyl, substituted or unsubstituted fluorenyl, substituted or unsubstituted pyridyl, substituted or unsubstituted dibenzofuranyl, and substituted or unsubstituted dibenzothienyl;
• the substituents in Ar1 and Ar2 are the same or different, and are each independently selected from deuterium, fluorine, cyano, methyl, ethyl, n-propyl, isopropyl, tert-butyl, phenyl, naphthyl and quinolinyl.