Upcoming Events No upcoming or ongoing event is available at the moment. + more New Products Deep UV LED - CUD8AF1C Specialized in UV-C range 135 degree of view angle High thermal conductivity by Al body Detail + more Press Releases 2021.02.05 SETi and Seoul Viosys Develop Portable “Photon Stand” Surface Disinfection Unit That Kills Viruses in 10 Minutes 2021.01.28 Seoul Viosys Begins Mass Production of 25Gbps VCSELs for 5G Communication Applications 2021.01.07 SETi and Seoul Viosys Violeds Technology Demonstrated to Kill 99 of Coronavirus (SARS-CoV-2) in Less Than a Second + more