Modeling and Experimental Characterization of Flexible Touch Sensor Panels

For the first time, we present a comprehensive framework for the analysis and design of deformable capacitive touch sensor panels. A fast quasielectrostatic simulation is used to build equivalent circuit models of touch sensor panels under bending and stretching. We validate these models with a set...

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Bibliographic Details
Published inIEEE sensors journal Vol. 20; no. 5; pp. 2550 - 2559
Main Authors Luttgen, Andrea, Sharma, Sameer K., Zhou, Degen, Sarris, Costas D.
Format Journal Article
LanguageEnglish
Published New York IEEE 01.03.2020
The Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subjects
Capacitance
Capacitive sensors
Computer simulation
Copper
deformable devices
Deformation
Equivalent circuits
Flat panel displays
Formability
Integrated circuit modeling
Modelling
Panels
Polyimides
self and mutual capacitances
Sensors
Substrates
Tactile sensors
Touch
touch panels
transparent devices
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Summary:For the first time, we present a comprehensive framework for the analysis and design of deformable capacitive touch sensor panels. A fast quasielectrostatic simulation is used to build equivalent circuit models of touch sensor panels under bending and stretching. We validate these models with a set of measurements performed on a polymide touch sensor. Leveraging this modeling capability, we propose an electrode pattern that is promising for fully deformable touch sensor panels.
ISSN:1530-437X
1558-1748
DOI:10.1109/JSEN.2019.2953586