Wearable device that maintains high-performance electrical characteristics even when stretched like rubber. Provided by Professor Jung Yehwan,
, ‘A domestic research team successfully developed a flexible wearable device that maintains long-distance wireless communication and high-efficiency wireless power reception functions by applying physically deformable new materials.’,
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, ‘The Ministry of Science and ICT announced on the 22nd that a joint research team led by Professor Jung Yehwan and Professor Yoo Hyeong-seok of Hanyang University succeeded in developing electronic skin that maintains wireless communication performance even with physical deformation, a world-first achievement.’,
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, ‘Wearable devices based on electronic skin technology are actively applied in various fields such as medical care and health management. For wearable devices to function properly, flexible radio-frequency (RF) components and circuits are essential.’,
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, ‘However, RF circuits have limitations in that due to their operation in high frequencies, even slight stretching or bending can cause changes in the operating frequency band of the circuit, leading to communication disconnection or a sharp decrease in power transmission and reception efficiency.’,
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, ‘Therefore, it is essential to develop technology that maintains wireless communication performance under physically changing conditions while having flexibility.’,
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, ‘The research team noticed that to maintain wireless communication performance even with physical deformation, the electrical characteristics of the circuit board need to change according to the deformed size.’,
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, ‘By mixing ceramic nano particles into a flexible rubber substrate and using a process where the nano particles assemble into clusters, the team effectively prevented changes in high-frequency electrical characteristics generated by RF components and circuits.’,
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, ‘The research results, which have not been reported in academia until now, include the development of electronic skin that enables wireless communication at distances of 90 meters or more, a feat that has not been achieved before.’,
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, ‘They also developed a band-type wearable device that can accurately measure human signals such as brain waves, body movements, skin temperature, and muscle signals wirelessly. They confirmed that stable brain waves can be wirelessly measured even when worn by individuals with different head sizes.’,
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, ‘Professor Jung Yehwan said, “The flexible wireless communication technology developed this time can be applied to various flexible systems that require wireless functionality” and “We are already working on developing flexible wireless wearable devices equipped with next-generation communication technology, 6G mobile communication functions.”’,
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, ‘The research findings were published in the international journal Nature on the 22nd local time.’,
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