Cutting-edge research at Nanyang Technological University, Singapore (NTU Singapore) is propelling the world of wearable technology forward with the development of AR contact lenses that can seamlessly integrate virtual information into the real world.
Revolutionary Power Source: Human Tears
In a groundbreaking move, NTU Singapore’s team of scientists has unveiled a project focused on creating AR contact lenses that derive their power from an unexpected yet abundant source – human tears. This innovative approach addresses one of the critical challenges in wearable technology: finding efficient and discreet ways to power devices without compromising comfort.
Ultra-Slim Battery Resembling Human Cornea
Central to this pioneering venture of AR contact lenses is the development of an ultra-slim and flexible battery, designed to mimic the thinness of the human cornea. This remarkable battery, roughly as thin as the cornea itself, has the capability to store electricity when it comes into contact with a saline source – a component readily available in tears. Researchers have found that this inventive solution can extend the battery life up to four hours within a 12-hour cycle. It’s worth noting that the AR contact lenses can also be recharged using an external battery.
Enhanced Comfort Through Biocompatible Materials
A significant highlight of this development lies in the materials used for the battery. The battery’s composition consists of biocompatible materials, ensuring wearers experience maximum comfort and minimal disruption while using the AR contact lenses. Unlike some other smart contact lenses that employ wires or potentially hazardous substances, this tear-powered technology prioritizes wearer safety and convenience.
Dr. Yun Jeonghun, a research fellow from NTU’s School of Electrical and Electronic Engineering (EEE), explains, “The most common battery charging system for smart contact lenses requires metal electrodes in the lens, which are harmful if they are exposed to the naked human eye. Meanwhile, another mode of powering lenses, induction charging, requires a coil to be in the lens to transmit power, much like a wireless charging pad for a smartphone. Our tear-based battery eliminates the two potential concerns that these two methods pose, while also freeing up space for further innovation in the development of smart contact lenses.”
Patent Filing and Future Commercialization
The excitement surrounding this breakthrough project is compounded by the fact that the team at NTU Singapore has already taken steps to protect their innovation. They have filed a patent via NTUitive, the university’s innovation and enterprise company. This move underlines their commitment to ensuring the longevity and commercial viability of their tear-powered AR contact lenses. While specific details regarding the launch date remain undisclosed, the intention to bring this technology to the market is a clear goal for the team.
In a world where wearable technology continues to evolve, NTU Singapore’s endeavor signifies a significant step forward in bridging the gap between the virtual and real worlds. With AR contact lenses powered by human tears, the future of augmented reality is poised to become more seamless, comfortable, and accessible than ever before.
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