Seoul Viosys’ Violeds Modules Proven to Disinfect 99% of Airborne Viruses in a Recent Testing Result ANSAN, South Korea--(Business Wire)--Seoul Viosys (KOSDAQ: 092190), a leading compound semiconductor and bio solution provider, demonstrated that an air conditioning and heating system with its ultraviolet LED Violeds modules have the performance to disinfect 99% of airborne viruses through the results of testing by Korea Testing Laboratory (KTL). The testing shows Violeds is a breakthrough technology that helps prevent the spread of COVID-19 pandemic caused by aerosolized viruses. Testing report and results for Seoul Viosys’ UV LED Violeds module by Korea Testing Laboratory (Photo: Business Wire)