Patternable and Widely Colour-Tunable Elastomer-Based Electroluminescent Devices

Scientific Reports
Seongkyu SongSoon Moon Jeong

Abstract

We demonstrate wide colour tunability of polydimethylsiloxane-based alternating-current-driven electroluminescent devices with intrinsically stretchable characteristics achieved by simply modulating the electrical frequency. By employing both a screen-printed emitting layer and frequency-dependent colour tuning of ZnS:Cu-based phosphors, we demonstrate various coloured patterned images in a single device. We also show enhanced colour-tuning performance by mixing multi-colour phosphors, which results in a broad range of available coordinates in colour space. We believe that our demonstrated method could be used for manipulating broader colour expression as well as in various applications involving stretchable devices.

References

Mar 27, 2010·Science·John A RogersYonggang Huang
Jul 13, 2012·Advanced Materials·Feng Xu, Yong Zhu
Aug 22, 2013·Advanced Materials·Soon Moon JeongNa Young Ha
Mar 20, 2015·Advanced Materials·Jiangxin WangPooi See Lee
Dec 5, 2015·Advanced Materials·Jiangxin WangPooi See Lee
Jul 14, 2015·Advanced Science·Xiandi WangZhong Lin Wang
Aug 1, 2015·ChemPlusChem·Dengfeng PengFeng Wang

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Citations

Apr 23, 2020·Advanced Materials·Gilwoon LeeUnyong Jeong
Jan 6, 2021·Nature Communications·Junpeng JiWei Huang
May 14, 2021·Advanced Materials·Hiep Dinh XuanJinhwan Yoon

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