UV LEDs for disinfection

Bolb Inc. Develops Transparent Hole-Supplying Layer for UVC LEDs, Tripling Output Without Voltage Penalty

Startup firm Bolb Inc. of Livermore, California USA, announced a new line of ultraviolet c-band LEDs. The new UVC LEDs boast record single-chip performance for universal disinfection. According to the company, UVC LEDs made by Bolb Inc. have achieved 12.2% external quantum efficiency (EQE), a record for UVC LEDs. Bolb Inc. …

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FBH to Report on UV-LED Advances at ICULTA-2018

Scientists from Ferdinand-Braun-Institut (FBH) and its spin-off UVphotonics plan to report on their advances related to UV LED efficiency and reliability at ICULTA-2018 in MELIÃ. They reportedly found a degradation mechanism that indicates that the first hours of operation induce an electromigration of hydrogen in the UV-B LED structure. This …

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University of Eastern Finland Researchers Found High Power UV LEDs About as Effective as Combination of Low Power UV and Chlorine for Killing Viruses in Water

Researchers from University of Eastern Finland found in a new study that a combined water disinfection treatment using both chlorine and UV radiation can be highly effective. The study isolated various coliphages from treated municipal wastewater. Coliphages are viruses that infect E.coli bacteria, and they can be used to model …

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AkzoNobel to Develop UV-LED-based Antifouling Technology for Ships and Boats

Dutch chemical company, AkzoNobel plans to develop a fouling prevention technology which utilizes ultraviolet UV-LED technology from Royal Philips. The UV-LED-based solution will be applied to underwater surfaces of marine vessels to eliminate fouling growth. Together, the two companies are aiming to develop an economically viable solution for underwater fouling …

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