Description Opto Tech Corporation illuminates its world with artificial light. The company develops light-emitting diode (LED) components used for color displays, as well as traffic applications and lighting for cars, buildings, stadiums, airports, and other public places. Creating more light per watt than incandescent bulbs and lasting longer than fluorescent and incandescent products, LEDs help save costs. Display installation sites include the Sky Screen in Beijing, the Nakayama Racecourse in Japan, and the America West Arena in Phoenix. Opto Tech also makes sensors used in lamps, thermometers, and fiber optic devices. The company, established in 1983, sells its products to customers around the globe.