About trigalight self-powered illumination trigalight is a brand of mb-microtec, a microtechnology company founded in 1969 in Niederwangen near Bern. The brand represents a unique self-powered illumination technology with the world’s smallest gaseous tritium light sources (GTLS) that deliver luminescence for decades without any external energy source.mb-microtec ag is the inventor and global market leader in the development and production of this unique self-powered illumination technology, that is primarily used in the tactical, watch,security, aerospace, and aeronautical industry (less)