Lamps for vehicles are known, designed so that the light emitted or reflected by them to make it possible to recognize a symbol or text.
Patent DE 202005003397 describes a rear lamp for motor vehicles or bicycles provided with a customized reflector designed to highlight its reflections as an illuminated symbol, and in the absence of a light source, the symbol remains visible as a dark shape.
Patent DE 202006008944 relates to a motor vehicle lamp which includes a logo or symbol, evidenced by the intense illumination when the driver of the vehicle brakes or signals change of direction, an effect obtained by using extra-bright LED inside the lamp.
The disadvantages of known solutions is that they require the manufacturing of the complete lamp assembly according to customization requested by the beneficiary, requiring significant resources to prepare the launch of the production; another disadvantage is that personalization is highlighted only at night, in the presence of incident light sources or certain conditions: braking, signaling change direction and so on, without personalizing be easily observed at all times.