| abstract |
Provided are a heterocyclic compound represented by Formula 1 and having an asymmetric structure and an organic light-emitting device including the heterocyclic compound:n nwherein, in Formula 1, X 1 is O or Se, Ar 1 is a group represented by Formula 1A, and Ar 2 is a group represented by Formula 1B,n nand the other substituents are understood as described in connection with the detailed description. |