Light outcoupling enhanced flexible organic light-emitting diodes

Flexible organic light-emitting diodes (OLEDs) are emerging as a leading technology for rollable and foldable display applications. For the development of high-performance flexible OLEDs on plastic substrate, we report a transparent nanocomposite electrode with superior mechanical, electrical, and o...

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Bibliographic Details
Published in:Optics express 2016-03, Vol.24 (6), p.A674-A681
Main Authors: Ou, Qing-Dong, Xu, Lu-Hai, Zhang, Wen-Yue, Li, Yan-Qing, Zhang, Yi-Bo, Zhao, Xin-Dong, Chen, Jing-De, Tang, Jian-Xin
Format: Article
Language:English
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Summary:Flexible organic light-emitting diodes (OLEDs) are emerging as a leading technology for rollable and foldable display applications. For the development of high-performance flexible OLEDs on plastic substrate, we report a transparent nanocomposite electrode with superior mechanical, electrical, and optical properties, which is realized by integrating the nanoimprinted quasi-random photonic structures into the ultrathin metal/dielectric stack to collectively optimize the electrical conduction and light outcoupling capabilities. The resulting flexible OLEDs with green emission yield the enhanced device efficiency, reaching the maximum external quantum efficiency of 43.7% and luminous efficiency of 154.9 cd/A, respectively.
ISSN:1094-4087
1094-4087
DOI:10.1364/OE.24.00A674