Sensor Electronic Technology, Inc Employee Directory
Semiconductor ManufacturingSouth Carolina, United States11-50 Employees
Sensor Electronic Technology, Inc. (SETi) specializes in ultraviolet light-emitting diodes with emission wavelengths under 365 nm, offering standard UVTOP products and custom lighting solutions under UVClean for public and private sector customers. The company designs, manufactures, and sells these LEDs and integrated light sources, supported by a vertically integrated production model. Its operations are ISO 9001:2008 certified and based in Columbia, South Carolina, with facilities that enable both standard and bespoke orders. SETi’s core technology focuses on AlGaN semiconductor materials and patented processes that enable high-aluminum-content deep UV LEDs, establishing the company as a leading manufacturer in that segment. The business has longstanding ties to Seoul Viosys and related groups, including an acquisition in 2015, and in 2026 it announced expansion to a 25,000-square-meter site in Korea to support manufacturing with its partners.