Press release content from Business Wire. The AP news staff was not involved in its creation. SETi and Seoul Viosys Develop Portable ‘Photon Stand’ Surface Disinfection Unit That Kills Viruses in 10 Minutes February 5, 2021 GMT Seoul Viosys’ Photon Stand surface disinfection unit can be customized according to the size of the disinfection area (Graphic: Business Wire) Seoul Viosys’ Photon Stand surface disinfection unit can be customized according to the size of the disinfection area (Graphic: Business Wire) ANSAN, South Korea--(BUSINESS WIRE)--Feb 5, 2021-- Sensor Electronic Technology, Inc. (“SETi”) and Seoul Viosys (KOSDAQ: 092190), the leading global providers of UV LED technology and subsidiaries of Seoul Semiconductor, announced the development of a portable surface disinfection unit, the “Photon Stand,” as a new Violeds UV-C LED technology application.