Device efficiency of organic light-emitting diodes: Progress by improved light outcoupling

  • Brütting W
  • Frischeisen J
  • Schmidt T
 et al. 
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Organic light-emitting diodes (OLEDs) are efficient large-area light sources facing their market entry. Still, the development of stable and more efficient blue emitters and the enhancement of light outcoupling remain challenges for further device improvements. Here, we review the working principles of OLEDs and highlight ongoing efforts to improve their efficiency, in particular by coupling out more light.

Author-supplied keywords

  • device efficiency
  • optical properties
  • organic light-emitting diodes

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  • Wolfgang Brütting

  • Jörg Frischeisen

  • Tobias D. Schmidt

  • Bert J. Scholz

  • Christian Mayr

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