Triphenylene-based compounds and organic electroluminescent device comprising same

An organic electroluminescent device comprising:

• an anode;
• a cathode;
• and one or more organic layers interposed between the anode and the cathode,
• wherein at least one of the organic layers comprises a compound represented by the following Formula 1;
• in the formula,
• A means an N-containing 6- to 8-membered heterocycle;
• X is selected from the group consisting of —(CR20R21)n-, —(SiR22R23)m-, —NR24—, —O— and —S—, and n and m are each independently an integer of 1 to 3;
• R1 to R24 are each independently hydrogen, deuterium, a halogen, a substituted or unsubstituted C1 to C40 alkyl, a substituted or unsubstituted heterocycle having 3 to 40 nuclear atoms, a substituted or unsubstituted C1 to C40 alkoxy, a substituted or unsubstituted aromatic hydrocarbon having 6 to 40 nuclear atoms, a substituted or unsubstituted C6 to C40 aryloxy, a substituted or unsubstituted arylakyl wherein aryl is C7 to C40 aryl and alkyl is C1 to C40 alkyl, a substituted or unsubstituted C2 to C40 alkenyl, a substituted or unsubstituted C1 to C40 alkylamino, a substituted or unsubstituted C6 to C40 arylamino, a substituted or unsubstituted arylalkylamino wherein aryl is C7 to C40 aryl and alkylamino is C1 to C40 alkylamino, a substituted or unsubstituted C3 to C20 alkylsilyl, a substituted or unsubstituted C8 to C40 arylsilyl, a substituted or unsubstituted C7 to C40 ketoaryl, a substituted or unsubstituted C1 to C40 haloalkyl, or cyano, and R1 to R23 may be bonded with a group adjacent to each other to form a fused aliphatic ring, a fused aromatic ring, a fused heteroaliphatic ring or a fused heteroaromatic ring;
• and
• L is a substituted or unsubstituted C1 to C40 alkyl, a substituted or unsubstituted heterocycle having 3 to 40 nuclear atoms, a substituted or unsubstituted C1 to C40 alkoxy, a substituted or unsubstituted aromatic hydrocarbon having 6 to 60 nuclear atoms, a substituted or unsubstituted C6 to C40 aryloxy, a substituted or unsubstituted arylakyl wherein aryl is C7 to C40 aryl and alkyl is C1 to C40 alkyl, a substituted or unsubstituted C2 to C40 alkenyl, a substituted or unsubstituted C1 to C40 alkylamino, a substituted or unsubstituted C6 to C40 arylamino, a substituted or unsubstituted arylalkylamino wherein aryl is C7 to C40 aryl and alkylamino is C1 to C40 alkylamino, a substituted or unsubstituted C3 to C20 alkylsilyl, a substituted or unsubstituted C8 to C40 arylsilyl, a substituted or unsubstituted C7 to C40 ketoaryl, or a substituted or unsubstituted C1 to C40 haloalkyl.