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Proceedings Paper

Research on Pattern-induced Transparent Conductive Films
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Paper Abstract

Indium tin Oxide (ITO) is widely used in touch panel as a conductive material. However, it is fragile and has low transparency in low resistance. In this paper, a ITO-free transparent conductive film (TCF) has been proposed. Micronano structured patterns are designed to induce the silver paste composed by nano silver particles and organic solvents, which form the circuit of touch panel sensor conveniently. Mesh patterns are fabricated by UV nanoimprinting technology to form microgrooves on flexible polymer films coated by UV adhesive such as PET (polyethylene terephthalate). And then nano silver ink is filled into the grooves which constitute the conductive area of the TCF. The optical performance including the transmittance and haze of the TCF is tested. Finally, the TCF with the transmittance 87% and the square resistance less than 50 Ω/sq will be obtained, which can satisfy the applications in touch panel devices.

Paper Details

Date Published: 27 November 2012
PDF: 6 pages
Proc. SPIE 8555, Optoelectronic Devices and Integration IV, 85550G (27 November 2012); doi: 10.1117/12.999938
Show Author Affiliations
Xiaohong Zhou, Soochow Univ. (China)
Zongbao Fang, Soochow Univ. (China)
Heng Zhang, Soochow Univ. (China)
Linsen Chen, Soochow Univ. (China)


Published in SPIE Proceedings Vol. 8555:
Optoelectronic Devices and Integration IV
Xuping Zhang; Hai Ming; Joel M. Therrien, Editor(s)

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