Fig. 5
From: Fluid drawing printing 3D conductive structures for flexible circuit manufacturing
Printed freestanding 3D conductive structures for flexible electronics. a Optical image of the prepared LED array. b Enlarged view of the LED array. c Pictures of LED arrays operating in a bent state. The inset shows a working diagram of a longitudinal LED array. d A schematic diagram of the flexible thermal imaging display devices. e Photos of the prepared flexible thermal imaging display devices. The inset shows an enlarged view of the freestanding 3D interconnect. f The flexible thermal imaging displays in a bending state. The inset is a thermal image of a single inverted triangle. g Schematic diagram of multivibrator circuit. h Images of the prepared multivibrator circuit. The inset is an enlargement of a portion of the freestanding 3D interconnect. i Test image of the multivibrator circuit. The inset shows a schematic of the multivibrator circuit in the planar state
