Electroluminescent courtesy light with optical element and tube for running board of vehicle

摘要

The present invention is directed to a lighting device to illuminate the running board of a vehicle. One embodiment of the lighting device includes an electroluminescent element from which light emanates, an optical element for focusing the light, and a transparent tube surrounding the electroluminescent element and the optical element. In another embodiment of the lighting device, the transparent tube itself is provided with optical power for creating the desired light pattern.