Fully stretchable active-matrix organic light-emitting electrochemical cell array

Jia Liu, Jiechen Wang, Zhitao Zhang, Francisco Molina-Lopez, Ging-Ji Nathan Wang, Bob C. Schroeder, Xuzhou Yan, Yitian Zeng, Oliver Zhao, Helen Tran, Ting Lei, Yang Lu, Yi-Xuan Wang, Jeffrey B.-H. Tok, Reinhold Dauskardt, Jong Won Chung, Youngjun Yun () and Zhenan Bao ()
Additional contact information
Jia Liu: Stanford University
Jiechen Wang: Stanford University
Zhitao Zhang: Stanford University
Francisco Molina-Lopez: Stanford University
Ging-Ji Nathan Wang: Stanford University
Bob C. Schroeder: Stanford University
Xuzhou Yan: Stanford University
Yitian Zeng: Stanford University
Oliver Zhao: Stanford University
Helen Tran: Stanford University
Ting Lei: Stanford University
Yang Lu: Peking University
Yi-Xuan Wang: Stanford University
Jeffrey B.-H. Tok: Stanford University
Reinhold Dauskardt: Stanford University
Jong Won Chung: Samsung Electronics
Youngjun Yun: Samsung Electronics
Zhenan Bao: Stanford University

Nature Communications, 2020, vol. 11, issue 1, 1-11

Abstract: Abstract Intrinsically and fully stretchable active-matrix-driven displays are an important element to skin electronics that can be applied to many emerging fields, such as wearable electronics, consumer electronics and biomedical devices. Here, we show for the first time a fully stretchable active-matrix-driven organic light-emitting electrochemical cell array. Briefly, it is comprised of a stretchable light-emitting electrochemical cell array driven by a solution-processed, vertically integrated stretchable organic thin-film transistor active-matrix, which is enabled by the development of chemically-orthogonal and intrinsically stretchable dielectric materials. Our resulting active-matrix-driven organic light-emitting electrochemical cell array can be readily bent, twisted and stretched without affecting its device performance. When mounted on skin, the array can tolerate to repeated cycles at 30% strain. This work demonstrates the feasibility of skin-applicable displays and lays the foundation for further materials development.

Date: 2020
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DOI: 10.1038/s41467-020-17084-w

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