申请人:Kim Young-Kook
公开号:US20110057177A1
公开(公告)日:2011-03-10
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.