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Novel Emitting System Based on a Multifunctional Bipolar Phosphor: An Effective Approach for Highly Efficient Warm- White Light-Emitting Devices with High Color-Rendering Index at High Luminance

Du, X.; Feng, Y.; Zhu, D.; Peng, T.; Liu, Y.; Wang, Y.; Bryce, M.R.

Novel Emitting System Based on a Multifunctional Bipolar Phosphor: An Effective Approach for Highly Efficient Warm- White Light-Emitting Devices with High Color-Rendering Index at High Luminance Thumbnail


Authors

X. Du

Y. Feng

D. Zhu

T. Peng

Y. Liu

Y. Wang



Abstract

A three-color warm-white organic light-emitting diode employing an efficient phosphor–phosphor type host–guest emitting system achieves efficiencies of 27.3% for external quantum efficiency and 74.5 lm W–1 for power efficiency at a luminance of 1000 cd m–2, which maintained the high levels of 24.3% and 45.8 lm W−1 at 10 000 cd m−2, with a stable color-rendering index of 86–87.

Citation

Du, X., Feng, Y., Zhu, D., Peng, T., Liu, Y., Wang, Y., & Bryce, M. (2016). Novel Emitting System Based on a Multifunctional Bipolar Phosphor: An Effective Approach for Highly Efficient Warm- White Light-Emitting Devices with High Color-Rendering Index at High Luminance. Advanced Materials, 28(8), 5963-5968. https://doi.org/10.1002/adma.201600451

Journal Article Type Article
Online Publication Date May 12, 2016
Publication Date Jul 27, 2016
Deposit Date May 13, 2016
Publicly Available Date May 16, 2016
Journal Advanced Materials
Print ISSN 0935-9648
Electronic ISSN 1521-4095
Publisher Wiley
Peer Reviewed Peer Reviewed
Volume 28
Issue 8
Pages 5963-5968
DOI https://doi.org/10.1002/adma.201600451

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Copyright Statement
© 2016 The Authors. Published by WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim This is an open access article under the terms of the Creative Commons Attribution License, which permits use, distribution and reproduction in any medium, provided the original work is properly cited.





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