Please use this identifier to cite or link to this item: https://hdl.handle.net/10356/145676
Title: Design of AM self-capacitive transparent touch panel based on a-IGZO thin-film transistors
Authors: Wu, Kejun
Zhang, Jun
Li, Yuanbo
Wang, Xiangzhan
Liu, Yang
Yu, Qi
Chen, Tupei
Keywords: Engineering::Electrical and electronic engineering
Issue Date: 2020
Source: Wu, K., Zhang, J., Li, Y., Wang, X., Liu, Y., Yu, Q., & Chen, T. (2020). Design of AM self-capacitive transparent touch panel based on a-IGZO thin-film transistors. IEEE Access, 8, 76929-76934. doi:10.1109/access.2020.2989435
Project: NRF-CRP13-2014-02
Journal: IEEE Access
Abstract: In this work, we propose a novel active-matrix self-capacitance touch panel circuit. Each touch pixel contains only one thin film transistor. The principle of the touch event detection is to detect the voltage change, which is caused by the change of electrode capacitance. The voltage sensing by capacitance sensor is converted to capacitive digital data which compare with default value to judge whether the touch event is touched or not. The simplest structure increase maximizes the sensing pad area and reduce the parasitic effects. An array of 5×5 capacitive sensing active-matrix self-capacitive touch panel based on the proposed solution is designed and implemented. The potential for high precision and high reliability is proven in the measurement results.
URI: https://hdl.handle.net/10356/145676
ISSN: 2169-3536
DOI: 10.1109/ACCESS.2020.2989435
Rights: © 2020 IEEE. This journal is 100% open access, which means that all content is freely available without charge to users or their institutions. All articles accepted after 12 June 2019 are published under a CC BY 4.0 license, and the author retains copyright. Users are allowed to read, download, copy, distribute, print, search, or link to the full texts of the articles, or use them for any other lawful purpose, as long as proper attribution is given.
Fulltext Permission: open
Fulltext Availability: With Fulltext
Appears in Collections:EEE Journal Articles

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