Recent advances in light outcoupling from white organic light-emitting diodes

M.C. Gather, S. Reineke

Research output: Contribution to journalArticlepeer-review

124 Citations (Scopus)
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Abstract

Organic light-emitting diodes (OLEDs) have been successfully introduced to the smartphone display market and have geared up to become contenders for applications in general illumination where they promise to combine efficient generation of white light with excellent color quality, glare-free illumination, and highly attractive designs. Device efficiency is the key requirement for such white OLEDs, not only from a sustainability perspective, but also because at the high brightness required for general illumination, losses lead to heating and may, thus, cause rapid device degradation. The efficiency of white OLEDs increased tremendously over the past two decades, and internal charge-to-photon conversion can now be achieved at ∼100% yield. However, the extraction of photons remains rather inefficient (typically
Original languageEnglish
Article number057607
Number of pages20
JournalJournal of Photonics for Energy
Volume5
Issue number1
Early online date7 May 2015
DOIs
Publication statusPublished - 2015

Keywords

  • Organic light-emitting diodes
  • White light
  • Solid-state lighting
  • Outcoupling
  • Emitter dipole orientation
  • Thin-film optics

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