Kwak et al.
Patent
Reg. #8338000
Awarded Dec. 25, 2012
Attorneys: Jun-Young E. Jeon, Lauren E. Schneider
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-effeciency, low driving voltage, high luminance and long lifespan.