Fig. 5.

Electronic circuit application test with vertical and horizontal conductive wire in length of 500 μm. a The schematic diagram using the horizontal and vertical conductive wires based on anisotropic wrinkle gratings. b–e The relative changes of light intensity of LED with the corresponding electric current and the microscopic morphological characteristics under increased strain of 60 % along the x-axis. f The corresponding microscopic morphological characteristics after the strain was more than 60 %. g The periodicity and height of wrinkle grating structures under the strain