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Sensor Electronic Technology Inc. (“SETi”), the first compound semiconductor for UV LED solutions (Violeds) and Seoul Viosys’ subsidiary, launches portable air purifiers of brand “VAC” and surface disinfection devices of brand “VSM+” with Violeds technology to reduce infection from various harmful bacteria including new coronavirus (SARS-CoV-2). The online sales of the products will start in both of South Korea and the United States from June 8 in consecutive order.

According to testing results from the research group of Korea University in April and May 2020, Violeds technology has been proven to sterilize 99.9% of new coronavirus in 30 seconds.

Conventional filter in air purification system or non-medical face masks can filter out general droplets more than 0.3μm but the viruses such as new coronavirus and SARS virus itself as small as 0.1μm can pass through the filters as it is. When using the mask repeatedly, there is a high risk of the virus passing through the mask. In addition, a question has been recently raised, “Is a new non-medical face mask clean?”. These new products are designed to sterilize and enable individuals to reuse the mask to reduce concerns.

Violeds, the gift of light, is the world’s first technology that SETi and Seoul Viosys have developed and manufactured over 20 years with Seoul Semiconductor’s R&D investment. It is being recognized as an advanced optical technology in the bio-industry while being proved to be successful in disinfecting new coronavirus including various viruses and pneumonia which cause influenza, as well as Escherichia coli, Staphylococcus Aureus and Salmonella Typhimurium that cause food poisoning.

Global COVID-19 cases reach over 6 million, while the deaths have surged to more than 370,000 deaths based on June 1, 2020 in various countries such as the United States, Europe and countries in South America. However, many countries have suffered from a lack of air purifiers and non-medical face masks to help reduce virus infection.

“There are three of 10 people having a cold and more than 300,000 deaths from influenza every year in the world. So we expect that our air purifier (VAC) and surface disinfection device (VSM+) that will be launched help reduce the spread of viruses,” said SETi’s representative.

The surface disinfection device “VSM+” with Violeds technology provides beneficial effects to reduce human infection from various viruses and harmful bacteria by disinfecting the surfaces of daily objects such as non-medical face masks, smartphones, baby products, rings and jewelry.



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