Efficient and mechanically robust stretchable organic light-emitting devices by a laser-programmable buckling process

Da Yin; Jing Feng; Rui Ma; Yue-Feng Liu; Xu-Lin Zhang; Yan-Gang Bi

doi:10.1038/ncomms11573

journal article Open Access May 17, 2016

Efficient and mechanically robust stretchable organic light-emitting devices by a laser-programmable buckling process

Da Yin Jing Feng

Rui Ma

Yue-Feng Liu Xu-Lin Zhang

Yan-Gang Bi

Nature Communications Vol. 7 No. 1 · Springer Science and Business Media LLC

View at Publisher Save 10.1038/ncomms11573

Abstract

AbstractStretchable organic light-emitting devices are becoming increasingly important in the fast-growing fields of wearable displays, biomedical devices and health-monitoring technology. Although highly stretchable devices have been demonstrated, their luminous efficiency and mechanical stability remain impractical for the purposes of real-life applications. This is due to significant challenges arising from the high strain-induced limitations on the structure design of the device, the materials used and the difficulty of controlling the stretch-release process. Here we have developed a laser-programmable buckling process to overcome these obstacles and realize a highly stretchable organic light-emitting diode with unprecedented efficiency and mechanical robustness. The strained device luminous efficiency −70 cd A−1 under 70% strain - is the largest to date and the device can accommodate 100% strain while exhibiting only small fluctuations in performance over 15,000 stretch-release cycles. This work paves the way towards fully stretchable organic light-emitting diodes that can be used in wearable electronic devices.

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References

Details

Published: May 17, 2016
Vol/Issue: 7(1)
License: View

Authors

Electric Power Research Institute

Cite This Article

Da Yin, Jing Feng, Rui Ma, et al. (2016). Efficient and mechanically robust stretchable organic light-emitting devices by a laser-programmable buckling process. Nature Communications, 7(1). https://doi.org/10.1038/ncomms11573

Efficient and mechanically robust stretchable organic light-emitting devices by a laser-programmable buckling process

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