The University of Tokyo · Engineering
요코타 교수의 연구실은 유연하고 신축성 있는 페인팅형 전자소자를 중심으로, 피부에 부착 가능한 웨어러블 센서 및 이미징 장치의 개발에 주력하고 있습니다. 특히 고감도 온도 센서, 유기 발광 다이오드(OLEDs), 광검출기 등 생체 신호를 정밀하게 측정할 수 있는 유기 광전기 소자를 연구하며, 의료 진단과 웨어러블 헬스케어 응용을 목표로 하고 있습니다. 생체에 부착해도 편안하고 장시간 안정적으로 작동하는 소재 및 공정 기술 개발이 핵심입니다.
Figures are computed from collected data and may differ slightly.
Thin-film electronics intimately laminated onto the skin imperceptibly equip the human body with electronic components for health-monitoring and information technologies. When electronic devices are worn, the mechanical flexibility and/or stretchability of thin-film devices helps to minimize the stress and discomfort associated with wear because of their conformability and softness. For industrial applications, it is important to fabricate wearable devices using processing methods that maximize
We report a fabrication method for flexible and printable thermal sensors based on composites of semicrystalline acrylate polymers and graphite with a high sensitivity of 20 mK and a high-speed response time of less than 100 ms. These devices exhibit large resistance changes near body temperature under physiological conditions with high repeatability (1,800 times). Device performance is largely unaffected by bending to radii below 700 µm, which allows for conformal application to the surface of
Flexible image sensors have attracted increasing attention as new imaging devices owing to their lightness, softness, and bendability. Since light can measure inside information from outside of the body, optical-imaging-based approaches, such as X-rays, are widely used for disease diagnosis in hospitals. Unlike conventional sensors, flexible image sensors are soft and can be directly attached to a curved surface, such as the skin, for continuous measurement of biometric information with high acc
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