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About

Ja Hoon Koo is a leading figure in the emerging field of human-centric optoelectronics and soft bioelectronics, where his work is redefining the interface between technology and the human body. His research centers on developing flexible and stretchable electronic devices—from light-emitting diodes and photodetectors to advanced electronic skins—that can seamlessly integrate with biological tissues. A major contribution is his pioneering work on deformable optoelectronic systems, which has garnered over 170 citations and is considered foundational for next-generation wearable sensors and displays. Koo has also advanced the convergence of soft electronics with machine learning, creating intelligent e-skins for robotic prostheses and disease diagnosis. His recent investigations into hydrogels and organogels are unlocking new possibilities for biocompatible, tissue-like materials in bio-integrated applications. Notably, he has addressed the critical challenge of long-term stability in closed-loop neuroprosthetic systems, developing a performance-recoverable design that promises durable sensory-motor function recovery. With a rapidly growing citation record and a portfolio of highly influential papers, Koo is shaping the future of soft, intelligent, and human-compatible electronics.