Recent advances in light outcoupling from white organic light-emitting diodes
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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
Gather , M C & Reineke , S 2015 , ' Recent advances in light outcoupling from white organic light-emitting diodes ' Journal of Photonics for Energy , vol 5 , no. 1 , 057607 . DOI: 10.1117/1.JPE.5.057607
Journal of Photonics for Energy
Copyright The Authors 2015. This article is distributed under the terms of the Creative Commons Attribution License which permits any use, distribution, and reproduction in any medium, provided the original author(s) and the source are credited.
M.C.G. is grateful to the Scottish Funding Council (via SUPA) for financial support.
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