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Fully screen printed stretchable electrochromic displays
RISE Research Institutes of Sweden, Digital Systems, Smart Hardware. Linköping University, Sweden.ORCID iD: 0000-0001-9605-9151
RISE Research Institutes of Sweden, Digital Systems, Smart Hardware. Linköping University, Sweden.ORCID iD: 0000-0002-7989-6027
RISE Research Institutes of Sweden, Digital Systems, Smart Hardware.ORCID iD: 0000-0002-4575-0193
RISE Research Institutes of Sweden, Digital Systems, Smart Hardware.ORCID iD: 0000-0001-6889-0351
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2021 (English)In: Flexible and Printed Electronics, ISSN 2058-8585, Vol. 6, no 4, article id 045014Article in journal (Refereed) Published
Abstract [en]

The advent of the Internet of Things and the growing interest in continuous monitoring by wearables have created a need for conformable and stretchable displays. Electrochromic displays (ECDs) are receiving attention as a cost-effective solution for many simple applications. However, stretchable ECDs have yet to be produced in a robust, large scale and cost-efficient manner. Here we develop a process for making fully screen printed stretchable ECDs. By evaluating commercially available inks with respect to electromechanical properties, including electrochromic PEDOT:PSS inks, our process can be directly applied in the manufacturing of stretchable organic electronic devices. The manufactured ECDs retained colour contrast with useful switching times at static strains up to 50% and strain cycling up to 30% strain. To further demonstrate the applicability of the technology, double-digit 7-segment ECDs were produced, which could conform to curved surfaces and be mounted onto stretchable fabrics while remaining fully functional. Based on their simplicity, robustness and processability, we believe that low cost printed stretchable ECDs can be easily scaled up and will find many applications within the rapidly growing markets of wearable electronics and the Internet of Things. © 2021 The Author(s). 

Place, publisher, year, edition, pages
IOP Publishing Ltd , 2021. Vol. 6, no 4, article id 045014
Keywords [en]
electrochromic display, PEDOT:PSS, screen printing, stretchable display, stretchable electronics, Conducting polymers, Costs, Display devices, Electrochromic devices, Electrochromism, Electromechanical devices, Internet of things, Strain, Wearable technology, Continuous monitoring, Cost-effective solutions, Cost-efficient, Electrochromic displays, Large-scales, PEDOT/PSS, Screen-printed, Simple++, Cost effectiveness
National Category
Other Electrical Engineering, Electronic Engineering, Information Engineering
Identifiers
URN: urn:nbn:se:ri:diva-58287DOI: 10.1088/2058-8585/ac3eb2Scopus ID: 2-s2.0-85122613799OAI: oai:DiVA.org:ri-58287DiVA, id: diva2:1630628
Available from: 2022-01-20 Created: 2022-01-20 Last updated: 2023-10-31Bibliographically approved

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Linderhed, UlrikaPetsagkourakis, IoannisAndersson Ersman, PeterBeni, Valerio
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