US Patent 7208871 Luminous element having electrodes

A luminous element (1) comprising a conductor (2), which is associated with an electroluminescent material (3). An electrode (4, 8, 9) is associated with said electroluminescent material and the luminous element (1) is arranged to emit light, when electric voltage is applied between the conductor (2) and said electrode (4, 8, 9). At least either the conductor (2) or the electrode (4, 8, 9) is insulated along at least a section of the luminous element (1) through the electroluminescent material (3) along said element section.