A block of light-transmissive material having a substantially planar top surface and a stepped bottom surface provides uniform or at least substantially uniform luminance to both graphics and tickmarks on a dial face for a motor vehicle instrument panel dial. The tickmarks are embodied as light-transmissive protuberances from the top surface.
STEPPED LIGHT GUIDE FOR SIMULTANEOUS ILLUMINATION OF GRAPHICS AND CHAPLET TICKMARKS ON A VEHICLE INSTRUMENT PANEL DIAL
2019-12-12
Patent
Elektronische Ressource
Englisch
IPC: | B60K Anordnung oder Einbau von Antriebseinheiten oder von Kraft- bzw. Drehmomentübertragungen in Fahrzeugen , ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES |