Versatile LED irradiation system

June 30, 2020 //By Julien Happich
LED irradiation
Berlin-based Ferdinand-Braun-Institut (FBH) and its spin-off UVphotonics NT GmbH have designed and developed a versatile turnkey irradiation system for surface treatment.

Since the compact, modular system can be flexibly equipped with both in-house developed UV LEDs as well as with commercially available UV, visible and infrared LEDs it can be adjusted to the targeted emission spectrum. For disinfection purposes it can be equipped with in-house developed LEDs emitting at 265nm to eliminate germs on surfaces including personal items like mobile phones and reusable masks as well as menu cards in restaurants. The system can also be used in the professional sector, for example in healthcare clinics and laboratories. It is equipped with an illumination module comprising 16 UV LEDs distributed over an area of 80x80mm. The LEDs provide an intensity over 5mW/cm2. Therefore, the irradiation system achieves the minimum UV dose of 500 mJ/cm2 recommended by the Centers for Disease Control and Prevention (US Department of Health) in less than two minutes. An integrated timer ensures the correct dosage. The module can control up to four different wavelengths separately, which can be an enormous advantage in applications such as medical treatments and curing. To cover larger areas, the modular segments can be mechanically interconnected wire-free, to be expanded into 1-dimensional as well as 2-dimensional arrays. Individually shaped arrays are possible, which can be integrated into a large number of disinfection systems. The overall system is a plug and play solution. It can be computer-controlled or operated as a stand-alone solution with constant power. Programming a timing pattern is also possible.

UVphotonics NT GmbH - www.uvphotonics.de


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