title: External quantum efficiency above 20% in deep blue phosphorescent organic light-emitting diodes.
authors: Department of Polymer Science and Engineering, Dankook University, Jukjeon-dong, Suji-gu, Yongin, Gyeonggi, Republic of Korea.
authors: Soon Ok
authors: SO
authors: Jeon
authors: Sang Eok
authors: SE
authors: Jang
authors: Hyo Suk
authors: HS
authors: Son
authors: Jun Yeob
authors: JY
authors: Lee
mesh_terms: D003116:Color; D004553:Electric Conductivity; D004566:Electrodes; D049408:Luminescent Agents / Q000737:chemistry*; D008958:Models, Molecular; D008968:Molecular Conformation; D009930:Organic Chemicals / Q000737:chemistry*; D017785:Photons
chemical_list: D049408:Luminescent Agents; D009930:Organic Chemicals