Display integrated flexible and transparent large-area pyroelectric gesture recognition /piezoelectric touch control sensor array based on in-situ polarized PVDF-TrFE films

Kailun WANG; Qiang LIU; Qian ZHANG; Yong XIANG; Xiaoran HU

doi:10.1016/j.sna.2023.114406

Display integrated flexible and transparent large-area pyroelectric gesture recognition /piezoelectric touch control sensor array based on in-situ polarized PVDF-TrFE films

Kailun WANG, Qiang LIU, Qian ZHANG, Yong XIANG^*, Xiaoran HU

^*Corresponding author for this work

Research output: Journal Publications › Journal Article (refereed) › peer-review

5 Citations (Scopus)

Abstract

In this work, a display integrated flexible and transparent sensor array is prepared to simultaneously realize pyroelectric gesture recognition and piezoelectric touch control based on in-situ polarization of PVDF-TrFE film. The in-situ polarization approach ensures 300 × 340 mm² large-area PVDF-TrFE film with high uniform pyroelectricity and significantly improves polarization efficiency and production yield. For gesture recognition, the prepared sensor array can accurately detect 0.5 ℃ temperature change and track motion trace of human hand gesture with a distance of 10 cm, and the temperature-voltage linearity is higher than 99 %. For touch control, the prepared sensor array can achieve a touch resolution of 1 mm and reach a signal-to-noise ratio of 400 %. Besides, the display integrated sensor array possesses a good transmittance of 90 % and high flexibility with a bending degree of 180°. The gesture recognition/touch control sensor array is expected to be applied in the fields of wearable electronic products and multi-functional of displays.

Original language	English
Article number	114406
Number of pages	8
Journal	Sensors and Actuators A: Physical
Volume	357
DOIs	https://doi.org/10.1016/j.sna.2023.114406
Publication status	Published - 1 Aug 2023
Externally published	Yes

Bibliographical note

Publisher Copyright:
© 2023 Elsevier B.V.

Funding

This work was supported by Start-up Funding of University of Electronic Science and Technology of China (Y030212059003040).

Keywords

Gesture recognition
Human-computer interaction
In-situ polarization
PVDF-TrFE
Pyroelectricity

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10.1016/j.sna.2023.114406

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title = "Display integrated flexible and transparent large-area pyroelectric gesture recognition /piezoelectric touch control sensor array based on in-situ polarized PVDF-TrFE films",

abstract = "In this work, a display integrated flexible and transparent sensor array is prepared to simultaneously realize pyroelectric gesture recognition and piezoelectric touch control based on in-situ polarization of PVDF-TrFE film. The in-situ polarization approach ensures 300 × 340 mm2 large-area PVDF-TrFE film with high uniform pyroelectricity and significantly improves polarization efficiency and production yield. For gesture recognition, the prepared sensor array can accurately detect 0.5 ℃ temperature change and track motion trace of human hand gesture with a distance of 10 cm, and the temperature-voltage linearity is higher than 99 %. For touch control, the prepared sensor array can achieve a touch resolution of 1 mm and reach a signal-to-noise ratio of 400 %. Besides, the display integrated sensor array possesses a good transmittance of 90 % and high flexibility with a bending degree of 180°. The gesture recognition/touch control sensor array is expected to be applied in the fields of wearable electronic products and multi-functional of displays.",

keywords = "Gesture recognition, Human-computer interaction, In-situ polarization, PVDF-TrFE, Pyroelectricity",

author = "Kailun WANG and Qiang LIU and Qian ZHANG and Yong XIANG and Xiaoran HU",

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year = "2023",

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doi = "10.1016/j.sna.2023.114406",

language = "English",

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Display integrated flexible and transparent large-area pyroelectric gesture recognition /piezoelectric touch control sensor array based on in-situ polarized PVDF-TrFE films. / WANG, Kailun; LIU, Qiang; ZHANG, Qian et al.
In: Sensors and Actuators A: Physical, Vol. 357, 114406, 01.08.2023.

Research output: Journal Publications › Journal Article (refereed) › peer-review

TY - JOUR

T1 - Display integrated flexible and transparent large-area pyroelectric gesture recognition /piezoelectric touch control sensor array based on in-situ polarized PVDF-TrFE films

AU - WANG, Kailun

AU - LIU, Qiang

AU - ZHANG, Qian

AU - XIANG, Yong

AU - HU, Xiaoran

PY - 2023/8/1

Y1 - 2023/8/1

N2 - In this work, a display integrated flexible and transparent sensor array is prepared to simultaneously realize pyroelectric gesture recognition and piezoelectric touch control based on in-situ polarization of PVDF-TrFE film. The in-situ polarization approach ensures 300 × 340 mm2 large-area PVDF-TrFE film with high uniform pyroelectricity and significantly improves polarization efficiency and production yield. For gesture recognition, the prepared sensor array can accurately detect 0.5 ℃ temperature change and track motion trace of human hand gesture with a distance of 10 cm, and the temperature-voltage linearity is higher than 99 %. For touch control, the prepared sensor array can achieve a touch resolution of 1 mm and reach a signal-to-noise ratio of 400 %. Besides, the display integrated sensor array possesses a good transmittance of 90 % and high flexibility with a bending degree of 180°. The gesture recognition/touch control sensor array is expected to be applied in the fields of wearable electronic products and multi-functional of displays.

AB - In this work, a display integrated flexible and transparent sensor array is prepared to simultaneously realize pyroelectric gesture recognition and piezoelectric touch control based on in-situ polarization of PVDF-TrFE film. The in-situ polarization approach ensures 300 × 340 mm2 large-area PVDF-TrFE film with high uniform pyroelectricity and significantly improves polarization efficiency and production yield. For gesture recognition, the prepared sensor array can accurately detect 0.5 ℃ temperature change and track motion trace of human hand gesture with a distance of 10 cm, and the temperature-voltage linearity is higher than 99 %. For touch control, the prepared sensor array can achieve a touch resolution of 1 mm and reach a signal-to-noise ratio of 400 %. Besides, the display integrated sensor array possesses a good transmittance of 90 % and high flexibility with a bending degree of 180°. The gesture recognition/touch control sensor array is expected to be applied in the fields of wearable electronic products and multi-functional of displays.

KW - Gesture recognition

KW - Human-computer interaction

KW - In-situ polarization

KW - PVDF-TrFE

KW - Pyroelectricity

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Display integrated flexible and transparent large-area pyroelectric gesture recognition /piezoelectric touch control sensor array based on in-situ polarized PVDF-TrFE films

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