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Zou et al. Soft Sci 2024;4:19 https://dx.doi.org/10.20517/ss.2024.13 Page 5 of 10

Figure 2. Deformable Micro-LEDs for applications in (A-D) advanced displays and (E and F) healthcare. (A) 4-inch flexible full-color
active-matrix display integrated onto TFT backplane by LLO [12] ; (B) Stretchable display based on island-bridge structures [64] ; (C)
Distortion-free stretchable display based on 2D Kirigami structures defined by laser cutting [10] ; (D) 3D foldable display based on an
origami structure design [19] ; (E) Wearable contact lenses for the treatment of diabetic retinopathy [29] ; (F) Wirelessly powered, dual-color
implantable probes for optogenetics [28] . Figure 2A adapted with permission from ref. [12] . Copyright 2021, Wiley-VCH; Figure 2B adapted
with permission from ref. [64] . Copyright 2021, Wiley-VCH; Figure 2C adapted with permission from ref. [10] . Copyright 2022, Wiley-VCH;
Figure 2D adapted with permission from ref. [19] . Copyright 2020, Wiley-VCH; Figure 2E reproduced under the terms of the CC-BY
Creative Commons Attribution 4.0 International license [29] ; Figure 2F reproduced under the terms of the CC-BY Creative Commons
Attribution 4.0 International license [28] . Micro-LED: Micro-scale light-emitting diode; TFT: Thin-film transistor; 2D: two-dimensional;
3D: three-dimensional.