Electronic skin for haptic interfaces’ jointly developed by City University of Hong Kong – light, tight and battery-free

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A system of “electronic skin-integrated haptic interfaces” jointly developed by City University of Hong Kong (CityU) and other academic institutions can help users of prosthesis to feel the surrounding environment and be used for social media, entertainment and gaming.

This novel system can transmit sensory stimuli to the body via the wireless actuator that converts energy to mechanical vibrations. It uses our skin as the sensory interface for virtual reality (VR) and augmented reality (AR).

The research achievement has recently been published in Nature, a leading international journal, in an article titled “Skin-Integrated Wireless Haptic Interfaces for Virtual and Augmented Reality”.

“Our target is to develop electronic skin that can be comparable to human skin,” said Dr Yu Xinge, the principal author of the article and Assistant Professor at CityU’s Department of Biomedical Engineering. “Compared with similar types of equipment on the market, our new system is light and thin that can be tightly attached to human skin. Also, it’s wire-free and battery-free.”

New materials, device structures, power delivery strategies and communication schemes have been adopted by the research team to develop the system. By employing sophisticated structural mechanics design, the new soft skin device, which is composed of more than 700 functional components, has only a thickness of less than 3 millimetres.