fig2

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.