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Screen Printed Refl...
Screen Printed Reflective Electrochromic Displays for Paper and Other Opaque Substrates
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- Freitag, Kathrin (författare)
- RISE,Smart hårdvara
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- Brooke, Robert, 1989- (författare)
- RISE,Smart hårdvara
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- Nilsson, Marie (författare)
- RISE,Smart hårdvara
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visa fler...
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- Åhlin, Jessica (författare)
- RISE,Smart hårdvara
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- Beni, Valerio, 1972- (författare)
- RISE,Smart hårdvara
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- Andersson Ersman, Peter (författare)
- RISE,Smart hårdvara
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(creator_code:org_t)
- 2023-01-26
- 2023
- Engelska.
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Ingår i: ACS Applied Optical Materials. - : American Chemical Society (ACS). - 2771-9855 .- 2771-9855. ; 1:2, s. 578-586
- Relaterad länk:
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https://doi.org/10.1...
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https://urn.kb.se/re...
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https://doi.org/10.1...
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Abstract
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- Paper electronics is a viable alternative to traditional electronics, leading to more sustainable electronics. Many challenges still require solutions before paper electronics become mainstream. Here, we present a solution to enable the manufacturing of reflective all-printed organic electrochromic displays (OECDs) on paper substrates; devices that are usually printed on transparent substrates, for example, plastics. In order to operate on opaque paper substrates, an architecture for reversely printed OECDs (rOECDs) is developed. In this architecture, the electrochromic layer is printed as the last functional layer and can therefore be viewed from the print side. Square shaped 1 cm2 rOECDs are successfully screen printed on paper, with a high manufacturing yield exceeding 99%, switching times <3 s and high color contrast (ΔE* > 27). Approximately 60% of the color is retained after 15 min in open-circuit mode. Compared to the conventional screen printed OECD architectures, the rOECDs recover approximately three times faster from storage in a dry environment, which is particularly important in systems where storage in low humidity atmosphere is required, for example, in many biosensing applications. Finally, a more complex rOECD with 9 individually addressable segments is successfully screen printed and demonstrated.
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- art (ämneskategori)
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