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Deformable single wall carbon nanotube electrode for transparent tactile touch screen
- Authors
- Kim, K.; Shin, K.; Han, J. -H.; Lee, K. -R.; Kim, W. -H.; Park, K. -B.; Ju, B. -K.; Pak, J. J.
- Issue Date
- 20-Jan-2011
- Publisher
- INST ENGINEERING TECHNOLOGY-IET
- Citation
- ELECTRONICS LETTERS, v.47, no.2, pp.118 - +
- Indexed
- SCIE
SCOPUS
- Journal Title
- ELECTRONICS LETTERS
- Volume
- 47
- Number
- 2
- Start Page
- 118
- End Page
- +
- ISSN
- 0013-5194
- Abstract
- With a patterned transparent electrode and compressive-elastic gel material, a multi-input transparent touch screen, which detects touch location and touch force, has been realised. The input device of this touch screen is composed of a flexible upper single wall carbon nanotube electrode (SWCNT), a lower indium tin oxide electrode layer, and a silicone gel layer between two electrodes. When a touch force ranging from 0 N to 5 N was applied to the surface of the upper electrode film, the silicone gel was compressed to change the distance between the two electrodes, which resulted in a capacitance change ranging from 1.92 to 3.42pF. The SWCNT electrode on the polyethylene terephthalate showed sufficient flexibility and robustness for mechanical deformation.
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Related Researcher
- Pak, James Jung ho
- College of Engineering (School of Electrical Engineering)