ANSAN, South Korea – Seoul Viosys (KOSDAQ: 092190), the leading global compound semiconductor device provider and subsidiary of Seoul Semiconductor, announced it has confirmed that the highly infectious COVID-19 delta variant (SARS-CoV-2:B.1.617.2) was disinfected (inactivated) by 99.3% in one second according to a surface disinfection experiment using Violeds technology conducted by the Korea University research team in July 2021. In the air disinfection experiment using Violeds technology conducted in Seoul Viosys’ laboratory (60㎥), the virus was reduced by 90% in 10 minutes.

In a disinfection experiment conducted by a research team at Korea University last year, Seoul Violeds confirmed that Violeds disinfects 99.9% of the COVID-19 virus in 30 seconds. In addition, in the air disinfection experiment of Korea Testing Laboratory (KTL), the research result showed that Violeds disinfects a space of 60㎥ by 99% in 30 minutes.

“Violeds technology is innovative in that it can be easily installed in various multi-use facilities as well as in poorly ventilated underground spaces, and it can minimize the spread of viruses through the air. I hope that the government and home appliance companies will actively use this technology to prevent the spread of infection, and also that local governments will take an active role in alleviating the suffering of the self-employed as soon as possible,” said Chung-hoon Lee, CEO of Seoul Semiconductor and founder of Seoul Viosys.

Violeds technology, which can be installed not only in air purifiers and air conditioners but also in ducts (air conditioning systems) of buildings, is expected to play a major role in creating a pleasant working environment for office spaces or public buildings.

“The surface contaminated by the COVID-19 virus is relatively easy to disinfect quickly because the virus stays still, but airborne viruses in the air are very contagious as they are difficult to disinfect in indoor spaces in a short period of time. We have repeatedly conducted numerous studies and experiments with advisory professors, and have secured a way to disinfect more than 90% of the COVID-19 delta variant in 10 minutes by simply installing Violeds in a ventilator at a cost of less than $0.1 per day,” said an official of Seoul Viosys.

Seoul Viosys’ laboratory and configuration diagram of air disinfection experiment
※ Components for disinfection test: Violeds module, power supply, fan, pipe

Sterilization experiment data against Covid-19 delta variant

The history of Seoul Semiconductor and Seoul Viosys