20 February 2012 All printed touchless human-machine interface based on only five functional materials
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We demonstrate the printing of a complex smart integrated system using only five functional inks: the fluoropolymer P(VDF:TrFE) (Poly(vinylidene fluoride trifluoroethylene) sensor ink, the conductive polymer PEDOT:PSS (poly(3,4 ethylenedioxythiophene):poly(styrene sulfonic acid) ink, a conductive carbon paste, a polymeric electrolyte and SU8 for separation. The result is a touchless human-machine interface, including piezo- and pyroelectric sensor pixels (sensitive to pressure changes and impinging infrared light), transistors for impedance matching and signal conditioning, and an electrochromic display. Applications may not only emerge in human-machine interfaces, but also in transient temperature or pressure sensing used in safety technology, in artificial skins and in disposable sensor labels.
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G. Scheipl, G. Scheipl, M. Zirkl, M. Zirkl, A. Sawatdee, A. Sawatdee, U. Helbig, U. Helbig, M. Krause, M. Krause, E. Kraker, E. Kraker, P. Andersson Ersman, P. Andersson Ersman, D. Nilsson, D. Nilsson, D. Platt, D. Platt, P. Bodö, P. Bodö, S. Bauer, S. Bauer, G. Domann, G. Domann, A. Mogessie, A. Mogessie, Paul Hartmann, Paul Hartmann, B. Stadlober, B. Stadlober, } "All printed touchless human-machine interface based on only five functional materials", Proc. SPIE 8258, Organic Photonic Materials and Devices XIV, 82580P (20 February 2012); doi: 10.1117/12.908602; https://doi.org/10.1117/12.908602

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