Graz University of Technology
Since 2005, the LED-activities have been further developed. Lexedis Lighting in Jennersdorf was founded as a joint venture for high-performance LED light sources of Tridonic Optoelectronic (a joint venture of Tridonic and Lumitech, a spin-off of the Graz University of Technology) and Toyoda Gosei. LEDON Lamp GmbH (Dornbirn) is a wholly owned subsidiary of the Zumtobel Group for LED applications.