A process for producing a light transparent construction for a vehicle, especially a vehicle sun roof, comprises locating a multi-layered electrochromic element under an outer screen, in order to influence the light transparency. The inside of the outer sc...

The invention relates to a ventilation device for a seat (2, 3) of a vehicle (1), which has an electrically operated fan device (3, 5), wherein the vehicle (1) has a solar cell arrangement (8) that provides a solar power supply for operating the fan device...