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All printed touchless human-machine interface based on only five functional materials

: Scheipl, G.; Zirkl, M.; Sawatdee, A.; Helbig, U.; Krause, M.; Kraker, E.; Andersson Ersman, P.; Nilsson, D.; Platt, D.; Bodö, P.; Bauer, S.; Domann, G.; Mogessie, A.; Hartmann, P.; Stadlober, B.


Tabor, C. ; Society of Photo-Optical Instrumentation Engineers -SPIE-, Bellingham/Wash.:
Organic photonic materials and devices XIV : 23 - 25 January 2012, San Francisco, California, United States; Part of SPIE photonics west
Bellingham, WA: SPIE, 2012 (Proceedings of SPIE 8258)
ISBN: 978-0-8194-8901-2
Paper 82580P
Conference "Organic Photonic Materials and Devices" <14, 2012, San Francisco/Calif.>
Photonics West Conference <2012, San Francisco/Calif.>
Conference Paper
Fraunhofer ISC ()

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.