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. 2021 Feb 24;7(9):eabd9715. doi: 10.1126/sciadv.abd9715

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Copyright © 2021 The Authors, some rights reserved; exclusive licensee American Association for the Advancement of Science. No claim to original U.S. Government Works. Distributed under a Creative Commons Attribution NonCommercial License 4.0 (CC BY-NC).

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Fig. 3 — (A) Schematic structure of is-OLEDs fabricated in this study. (B) J-V-L curve of is-OLEDs. (C) Relative L change (L·L₀⁻¹) of is-OLEDs based on pristine SY and is-EML during the static stretching tests. (D) L·L₀⁻¹ changes of is-OLEDs during cyclic stretching tests. (E) Optical images of is-OLEDs with an original emission area of 3.0 × 2.5 mm², operated under various strains at applied V of 9.5 V for 0, 20, and 40% strain and 9.8 V for 60 and 80% strain. All data were measured under ambient atmospheric conditions. L was measured on the basis of the emission from the cathode (front side). Photo credits (E): Jin-Hoon Kim, Yonsei University.