WebSep 7, 2024 · UV-C LEDs use 260-280 nm wavelengths. A company called Intelligo developed the tri-color UV-C LED dosimeter card that responds to the 260-280 nm wavelength. The photo-chromatic ink on the card changes color when UV radiation hits it. The center of the card changes from yellow to orange to pink, depending on the dose of … WebApr 14, 2024 · UV light shows a lot of promise: SSLEEC member company Seoul Semiconductor in early April reported a "99.9% sterilization of coronavirus (COVID-19) in 30 seconds" with their UV LED products.
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WebAug 6, 2024 · Seoul Viosys has done plenty of research and work in the UV-C field as we spoke about their 99.9% elimination of the SARS-COV-2 in the lab test above. The Seoul Viosys CUD7GF1B emits 275nm UV-C photons that are well in the range that breaks down the DNA and RNA of micro-organisms. Each diode has a flux of about 11.5mW @ 100mA. WebEXISTING AND UPCOMING UV-C LED SOLUTIONS NICHIA currently offers many UV-C LED solutions, including a mid-power 17.5mW product in a 3.5 x 3.5mm package and a high-power 70mW product measuring 6.8 x 6.8mm. A high-power UV-C LED in a 3.5 x 3.5mm package is currently in development, alongside a super high-power 4-in-1 … WebAug 14, 2024 · An additional factor figuring into disinfection is that while a UV-C lamp puts out 254 nm light for disinfection, the wavelength for peak disinfection efficiency is 265 nm. For most microbes, 265 nm provides 20 to 30% better disinfection. In that regard, some makers of UV-C LEDs use this wavelength disparity as a selling point because LED ... most highly rated songs