Jointly with Volkswagen, Audi and TU Berlin, jetlite has developed a Human Centric Lighting solution for the interior lighting of a vehicle in order to increase the performance and vitality of the occupants. The prototypical interior lighting was integrated into the makeup mirror of an Audi A8, to get an ideal irradiation angle at the eye. During a research study the participants were driven to work every morning
between 6am and 7am in the German winter months November to April and irradiated with short-wavelength light for 45 minutes on the rear seat of the experimental vehicle. The results revealed individual differences in perception of vitalizing effects of the lighting in the final interview - 2/3 of the participants stated that they felt more alert.