Heidelberg Showcasing Visionary Print Applications in Its R&D Center

Another example of an intelligent surface is a film-based lighting element that takes the form of “printed light.” The lighting effects are based either on electroluminescence or on printed OLEDs (organic LEDs, light-emitting diodes). They can be applied to folding cartons either as a solid area or as an informative detail in the form of numbers, text, or logos.