Illuminated limousines
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| Photo: Fraunhofer Institut für Produktionstechnik und Automatisierung (IPA), Stuttgart |
In November of 2002 developers in Munich presented a limousine in which a sophisticated interior illumination system provides variable lighting for the passenger compartment in all colours of the rainbow.
Limousine occupants can select the interior colours according to their own individual wishes, or they can choose to have other controlled variables in the car – such as those regulated by the air-conditioning system or the heating – automatically trigger the interior lighting display. The lighting system can in this way influence the subjective temperature impressions perceived by car occupants.
LEDs serve as light sources. Additive RGB colour mixing – in association with red, green, and blue LEDs in chip-on-board (COB) technology – produce a broad spectrum of colours.
The resulting “Colour Ceiling” basically consists of a transparent plastic panel in which engineers from the Fraunhofer Institute have laterally installed a series of RGB LEDs.
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