Communication element`s e.g. logo, image display device for e.g. airport, has lighting system with light source placed in plane comprising hologram and emitting light to illuminate hologram of display surface

摘要

The device (1) has a closed enclosure (2) comprising a display surface (3) visible to the public, where the display surface includes a reflective hologram (5). A lighting system has a light source (8) e.g. halogen source, placed in a plane comprising the hologram and emitting the light for illuminating the hologram. A mirror (10) orients the light emitted by the light source towards the display surface in the direction of the hologram.