The minimalist “ECOOS II slim” luminaire range allows flexible installation options as pendant, surface-mounted or semi-recessed luminaires. In addition, the slim individual lights also allow being connected to form a closed light band. An integrated curved waveguide technology directs the light by 180 degrees around the lamp. This creates a well-balanced ratio of direct and indirect light for a glare-free, extensive and energy-efficient illumination of offices and schools.