South Korea develops super capacitor wireless charging technology for wearable devices
South Korean scientists have developed a wireless charging technology for smart contact lenses, which is expected to bring new possibilities to wearable devices, the National Research Foundation of South Korea said recently.
- Time: 2019-12-21 20:32
- Column: Industry News
- Author: Other platforms
South Korean scientists have developed a wireless charging technology for smart contact lenses, which is expected to bring new possibilities to wearable devices, the National Research Foundation of South Korea said recently.
The state backed organization said the team, led by Yi Yi, a professor of materials science at Yanshi University, used hyperfine printing to build supercapacitors, rectifier circuits and light-emitting diodes in a flexible contact lens. Supercapacitors can charge and discharge electronic devices quickly, and they are the key components of small wearable devices that can't be built-in batteries.
For the key components that can be made very fine and durable, this may bring a variety of innovations and contribute to the development of new intelligent wearable devices in the future.
"The smart contact lens developed by the team has the same flexibility as any other ordinary contact lens, and its circuit can be used to monitor various biomarkers in tears and allow the wearer to easily experience augmented reality equivalent to science fiction," the National Research Foundation of Korea said They stressed that the device is comfortable to wear without affecting the user's vision.
The foundation added that because the contact lens can be charged wirelessly, there is no need for a plug-in power port, thus avoiding problems that may lead to safety problems and foreign objects entering the lens and affecting the circuit. They pointed out that the tests showed that there was no problem of heat increase that plagued ordinary wireless devices during charging, and that contact lenses could be stored in normal care solution and would not experience deformation over time.
In addition, the related paper "printing of wireless solid-state super capacitors for soft, smart contact lens with continuous operations" has been published in the international journal science advances.
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