Advertising sign for displaying data and information on the outside of a vehicle displays data characterizing and advertising a product

摘要

An advertising sign has a display element formed by an electrically activated polymer foil in the form of a row of windows. The foil has a luminous surface and connects to a computer device fitted in a vehicle. This advertising sign fits in a casing in an airtight and humidity-proof manner, connects to a transparent, translucent longitudinal side of the casing and fastens firmly on one of the outer surfaces of the vehicle.