An electroluminescent device having at least two electroluminescent elements arranged on a substrate in accordance with a desired pattern, each element comprising a first and a second electrode layer and, disposed therebetween, an electroluminescent layer, the device comprising a partitioning relief pattern including partitioning ribs of an insulating material protruding from the substrate and forming enclosure areas for containing a liquid layer from which the electroluminescent layer is obtainable in accordance with the desired pattern, wherein a partitioning relief element separating adjacent electroluminescent elements comprises at least two partitioning ribs with an intermediate groove in the area between the partitioning ribs.