In a system for controlling a headlight of a vehicle to be controlled, a distance detector detects a distance between the controlled vehicle and an other vehicle ahead thereof. An organic electroluminescents display device has a plurality of material layers including a luminescent layer. These characteristics help to reduce the manufacturing cost, reduce the motor load and power consumption, to thereby enhance the market competitiveness. In the flexible chassis embodiment, a plurality of objects or components are mounted to the flexible chassis to form an assembly and a plurality of flexible fillers are attached to the chassis to form the complete package. It further relates to new compounds being a subgroup of the compounds of formula, their preparation and compositions comprising them. A lenses are provided relative to the lights.