Road sign illuminating device, has removable laminate applied to front side of sign, and control unit to provide light emitting diodes with current from supply and controls diodes according to preset scheme

摘要

The device has a removable laminate (102), which is applied to a front side of a sign (100) and includes a transparent cast compound or matrix. Light emitting diodes (104) along with wires are embedded in the matrix and positioned in a specific pattern. A control unit (110) provides the diodes with current from a power supply (112) and controls the current feeding to the diodes based on a predetermined scheme. An Independent claim is also included for a method of manufacturing the illuminating device