with the worldwide patented PI-LED technology from Austria
Haumer, Peter (September 2021). The Journal of OIAV . OIAZ Wissenschaft & Praxis 166.
“Due to the unbroken development towards an indoor society and also due to the significant increase in the population of older people, good and correct light is more important than ever. As a result, the general lighting in interior spaces is subject to ever increasing demands, and consequently there is an increasing focus on energy consumption (and thus climate protection) as well as the need for increased quality of light.”