3D motion tracking display enabled by magneto-interactive electroluminescence

Seung Won Lee, Soyeon Baek, Sung-Won Park, Min Koo, Eui Hyuk Kim, Seokyeong Lee, Wookyeong Jin, Hansol Kang, Chanho Park, Gwangmook Kim, Heechang Shin, Wooyoung Shim, Sunggu Yang, Jong-Hyun Ahn and Cheolmin Park ()
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Seung Won Lee: Yonsei University
Soyeon Baek: Yonsei University
Sung-Won Park: Yonsei University
Min Koo: Yonsei University
Eui Hyuk Kim: Yonsei University
Seokyeong Lee: Yonsei University
Wookyeong Jin: Yonsei University
Hansol Kang: Yonsei University
Chanho Park: Yonsei University
Gwangmook Kim: Yonsei University
Heechang Shin: Yonsei University
Wooyoung Shim: Yonsei University
Sunggu Yang: Incheon National University
Jong-Hyun Ahn: Yonsei University
Cheolmin Park: Yonsei University

Nature Communications, 2020, vol. 11, issue 1, 1-10

Abstract: Abstract Development of a human-interactive display enabling the simultaneous sensing, visualisation, and memorisation of a magnetic field remains a challenge. Here we report a skin-patchable magneto-interactive electroluminescent display, which is capable of sensing, visualising, and storing magnetic field information, thereby enabling 3D motion tracking. A magnetic field-dependent conductive gate is employed in an alternating current electroluminescent display, which is used to produce non-volatile and rewritable magnetic field-dependent display. By constructing mechanically flexible arrays of magneto-interactive displays, a spin-patchable and pixelated platform is realised. The magnetic field varying along the z-axis enables the 3D motion tracking (monitoring and memorisation) on 2D pixelated display. This 3D motion tracking display is successfully used as a non-destructive surgery-path guiding, wherein a pathway for a surgical robotic arm with a magnetic probe is visualised and recorded on a display patched on the abdominal skin of a rat, thereby helping the robotic arm to find an optimal pathway.

Date: 2020
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DOI: 10.1038/s41467-020-19523-0

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