Functional-Material-Based Touch Interfaces for Multidimensional Sensing for Interactive Displays: A Review

Authors

  • Shuo Gao Beihang University

DOI:

https://doi.org/10.30564/ssid.v1i1.1171

Abstract

Multidimensional sensing is a highly desired attribute for allowing human-machine interfaces (HMIs) to perceive various types of information from both users and the environment, thus enabling the advancement of various smart electronics/applications, e.g., smartphones and smart cities. Conventional multidimensional sensing is achieved through the integration of multiple discrete sensors, which introduces issues such as high energy consumption and high circuit complexity. These disadvantages have motivated the widespread use of functional materials for detecting various stimuli at low cost with low power requirements. This work presents an overview of simply structured touch interfaces for multidimensional (x-y location, force and temperature) sensing enabled by piezoelectric, piezoresistive, triboelectric, pyroelectric and thermoelectric materials. For each technology, the mechanism of operation, state-of-the-art designs, merits, and drawbacks are investigated. At the end of the article, the author discusses the challenges limiting the successful applications of functional materials in commercial touch interfaces and corresponding development trends.

Keywords:

Touch interfaces, Functional materials, Multidimensional sensing, Interactive displays

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How to Cite

Gao, S. (2019). Functional-Material-Based Touch Interfaces for Multidimensional Sensing for Interactive Displays: A Review. Semiconductor Science and Information Devices, 1(1), 14–27. https://doi.org/10.30564/ssid.v1i1.1171

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Vol. 1 , Iss. 1 (April 2019)

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