Various functional LIG flexible electronic devices. (a) LIG-based strain gauges produced by UV laser. Reprinted with permission from Ref. [18], Copyright 2018, Wiley-VCH. (b) MWCNTs-LIG asymmetric pressure sensor array. Reprinted with permission from Ref. [79], Copyright 2021, Elsevier B.V. (c) A large-scale LIG-based core body arrays for the tilt sensor. Reprinted with permission from Ref. [80], Copyright 2021, Wiley-VCH. (d) LIG-based pseudocapacitive micro-supercapacitors. Reprinted with permission from Ref. [49], Copyright 2015, Wiley-VCH. (e) LIG-based highly linear and stable flexible temperature sensor. Reprinted with permission from Ref. [81], Copyright 2020, Wiley-VCH. (f) Non-enzymatic LIG-based glucose sensors. Reprinted with permission from Ref. [82], Copyright 2020, Elsevier B.V. (g) Nine-digital arrayed numeric touch panel based on the flexible high-resolution triboelectric sensor array. Reprinted with permission from Ref. [58], Copyright 2021, Wiley-VCH. (h) LIG-based dry electrode for electrocardiogram monitoring. Reprinted with permission from Ref. [85], Copyright 2021, Wiley-VCH. (i) LIG-based 3D flower-like actuator. Scale bar: 1 cm. Reprinted with permission from Ref. [73], Copyright 2020, Wiley-VCH.