US Patent 7121674 Illuminable display

An illuminable instrument panel display of an automobile vehicle includes a first plate having a thickness and defining opposed first and second surfaces. Portions of the plate define an outer peripheral edge and an inner peripheral edge that define a central region. Indicia is formed into the plate and adapted to pick up ambient and supplied light. A light source is located within the central region. A support is coupled to the plate so as to support the plate relative to the instrument panel whereby the light source is adapted to illuminate the indicia through the transmission of light through the inner peripheral edge within the thickness of the face plate.