申请人:Kim Young-Kook
                            
                            
                                公开号:US20110037060A1
                            
                            
                                公开(公告)日:2011-02-17
                            
                            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 voltage, high luminance and long lifespan.