SETi/Seoul Viosys is a pioneering South Korean semiconductor manufacturer specializing in advanced ultraviolet (UV) LED and optoelectronics technologies. Established as a spin-off from Seoul Semiconductor, the company leverages proprietary Violeds technology to produce high-performance UV-C LEDs for sterilization, disinfection, and purification applications. Their innovations extend to various sectors, including healthcare, water/air purification, and industrial curing. With strong R&D capabilities and over 4,000 patents, SETi/Seoul Viosys leads in developing eco-friendly, mercury-free UV solutions that offer enhanced efficiency and reliability. The company continues to drive progress in semiconductor-based UV technology, contributing to global health and environmental sustainability.