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Park, Kibog
Emergent Materials & Devices Lab
Research Interests
  • Semiconductor, Metal Oxide Thin Film, Graphene, Non-Volatile Memory, Quantum Transport, Quantum Computing Device

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Highly Flexible Touch Screen Panel Fabricated with Silver Nanowire Crossing Electrodes and Transparent Bridges

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Title
Highly Flexible Touch Screen Panel Fabricated with Silver Nanowire Crossing Electrodes and Transparent Bridges
Author
Jeon, YoungeunJin, Han ByulJung, SungchulGo, HeungseokLee, InnamLee, ChoonhyopJoo, Young KuilPark, Kibog
Issue Date
2015-10
Publisher
Optical Society of Korea
Citation
Journal of the Optical Society of Korea, v.19, no.5, pp.508 - 513
Abstract
A capacitive-type touch screen panel (TSP) composed of silver nanowire (AgNW) crossing electrodes and transparent bridge structures was fabricated on a polycarbonate film The transparent bridge structure was formed with a stack of Al-doped ZnO (AZO) electrodes and SU-8 insulator. The stable and robust continuity of the bridge electrode over the bridge insulator was achieved by making the side-wall slope of the bridge insulator low and depositing the conformal AZO film with atomic layer deposition. With an extended exposure time of photolithography, the lower part of the SU-8 layer around the region uncovered by the photomask can be exposed enough to the UV light scattered from the substrate. This leads to the low side-wall slope of the bridge insulator. The fabricated TSP sample showed a large capacitance change of 22.71% between with and without touching. Our work supplies the technological clue for ensuring long-term reliability to the highly flexible and transparent TSP made by using conventional fabrication processes
URI
https://scholarworks.unist.ac.kr/handle/201301/17933
URL
http://ocean.kisti.re.kr/IS_mvpopo001P.do?method=multMain&cn1=JAKO201532434263986&poid=osk&free=
DOI
10.3807/JOSK.2015.19.5.508
ISSN
2508-7266
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PHY_Journal Papers
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