3D motion tracking display enabled by magneto-interactive electroluminescence
Seung Won Lee, So-Yeon Baek, Sungwon 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, Cheolmin Park, Cheolmin Park, Cheolmin Park
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.