Motor vehicle display device e.g. for speedometer - has character plate with transparent region, needle plate element with needle slot in opaque plate, and back lighting source

摘要

The display device has a character plate (1) with a circular, transparent region (2) at the display position, transparent numbers (3a) and a scale (3b) on a circle around the transparent region. A needle plate element (8) rotated according to the measurement parameter is mounted in front of the character plate and has a transparent needle (9) illuminated from behind by a light source. The needle plate element consists of a needle plate with an opaque film on its upper surface. At least part of the plate is of a material with light diffusing properties and the needle is a slot formed on the opaque film. ADVANTAGE - Provides clear indication by needle and improved legibility. It is designed to appear larger than it is.