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Printed passive matrix addressed electrochromic displays
RISE, Swedish ICT, Acreo.
2013 (English)In: Organic electronics, ISSN 1566-1199, E-ISSN 1878-5530, Vol. 14, no 12, p. 3371-3378Article in journal (Refereed) Published
Abstract [en]

Flexible displays are attracting considerable attention as a visual interface for applications such as in electronic papers paper electronics. Passive or active matrix addressing of individual pixels require display elements that include proper signal addressability, which is typically provided by non-linear device characteristics or by incorporating transistors into each pixel. Including such additional devices into each pixel element make manufacturing of flexible displays using adequate printing techniques very hard complicated. Here, we report all-printed passive matrix addressed electrochromic displays (PMAD), built up from a very robust three-layer architecture, which can be manufactured using standard printing tools. Poly(3,4-ethylenedioxythiophene) doped with poly(styrenesulfonate) (PEDOT:PSS) serves as the conducting electrochromic pixel electrodes carbon paste is used as the pixel counter electrodes. These electrodes sandwich self-assembled layers of a polyelectrolyte that are confined to desired pixel areas via surface energy patterning. The particular choice of materials results in a desired current vs. voltage threshold that enables addressability in electronic cross-point matrices. The resulting PMAD operates at less than 3 V, exhibits high colour switch contrast without cross-talk promises for high-volume low-cost production of flexible displays using reel-to-reel printing tools on paper or plastic foils._x000D_

Place, publisher, year, edition, pages
2013. Vol. 14, no 12, p. 3371-3378
Keyword [en]
Passive matrix, electrochromic display, Printed Electronics, PEDOT:PSS
National Category
Computer and Information Sciences
Identifiers
URN: urn:nbn:se:ri:diva-31963DOI: 10.1016/j.orgel.2013.10.008OAI: oai:DiVA.org:ri-31963DiVA: diva2:1151821
Available from: 2017-10-24 Created: 2017-10-24 Last updated: 2018-01-13Bibliographically approved

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