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Keywords:

  • benzofuropyridine;
  • blue device;
  • triplet energy;
  • bipolar host;
  • phosphorescent device
Thumbnail image of graphical abstract

High quantum efficiency in solution and vacuum processed blue phosphorescent organic light emitting diodes are achieved using a new benzofuropyridine based bipolar host material. High quantum efficiencies of 18.0% and 23.0% are obtained in soluble and vacuum evaporable blue devices.