参考文献:Highly stretchable, transparent ionic touch panel,Chong-Chan Kim1,*, Hyun-Hee Lee1,*, Kyu Hwan Oh1,2, Jeong-Yun Sun1,2,†,Science 12 Aug 2016: Vol. 353, Issue 6300, pp. 682-687,DOI: 10.1126/science.aaf8810

摘要:Because human-computer interactions are increasingly important, touch panels may require stretchability and biocompatibility in order to allow integration with the human body. However, most touch panels have been developed based on stiff and brittle electrodes. We demonstrate an ionic touch panel based on a polyacrylamide hydrogel containing lithium chloride salts. The panel is soft and stretchable, so it can sustain a large deformation. The panel can freely transmit light information because the hydrogel is transparent, with 98% transmittance for visible light. A surface-capacitive touch system was adopted to sense a touched position. The panel can be operated under more than 1000% areal strain without sacrificing its functionalities. Epidermal touch panel use on skin was demonstrated by writing words, playing a piano,
and playing games.



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