申请人:Kwak Yoon-Hyun
                            
                            
                                公开号:US20110049486A1
                            
                            
                                公开(公告)日:2011-03-03
                            
                            Embodiments of the present invention are directed to a heterocyclic compound and an organic light-emitting device including the heterocyclic compound. The organic light-emitting devices using the heterocyclic compounds have high-efficiency, low driving voltages, high brightness and long lifespans.