Sensor Electronic Technology, inc. (SETi) is proud to be part of Seoul Semiconductor and Seoul Viosys. Sensor Electronic Technology, Inc. (SETi) is the world’s leading supplier of deep UV LEDs; LEDs with emission wavelengths shorter than 365nm. Using proprietary and patented technology, they develop, manufacture, and sell standard LED products under the UVTOP® trademark and custom LED products and solutions under the UVCLEAN® trademark into public and private sectors. SETi is committed to meeting and exceeding the needs of customers and stakeholders through the highest levels of quality management. SETi develops, manufactures, and offers a broad portfolio of UV-A, UV-B,and UV-C LED products and application solutions.