Fig. 5: Self-adaptive background color-matching ability of the ELbot.
From: Integrated 3D printing of flexible electroluminescent devices and soft robots
a Schematic illustration of a self-adaptive color-matching EL display. The chameleon picture is adapted from Pixabay under CC0 Creative Commons License. b Instantaneous color-changing of the EL-integrated display in response to the background light variation. Blue, green, and orange light-emitting EL units were printed on the display. A 200-V AC power voltage at a frequency of 1000 Hz was set. Scale bar: 1 cm. c Schematic illustrating the chameleon-inspired background-matching strategy of the ELbot. The chameleon sketches are adapted from Freepick under the CC0 Creative Commons License. d Instantaneous color-changing of the ELbot in response to the background light variation. Scale bar: 2 cm.
