Illumination device for vehicles has light source, transparent output panel with interference filter coating which produces signal color when light from source passes through it

摘要

The device has a light source (10) and a transparent panel (20) covering the light output opening of the device, whereby the output light has a signal color different from the light emitted by the light source. The panel has an interference filter coating (22) which produces the signal color when the light from the source passes through it.