Evidence for non-isotropic emitter orientation in a red phosphorescent organic light-emitting diode and its implications for determining the emitter’s radiative quantum efficiency

Tobias D. Schmidt, Daniel S. Setz, Michael Flämmich, Jörg Frischeisen, Dirk Michaelis, Benjamin C. Krummacher, Norbert Danz, Wolfgang Brütting
  • Applied Physics Letters, January 2011, American Institute of Physics
  • DOI: 10.1063/1.3653475