A layer configuration on a support, the layer configuration comprising a non-photoactive element exclusive of unsubstituted poly(3,4-alkylenedioxythiophene)s, the element containing at least one polymer selected from the group consisting of polycarboxy-polymers, optionally quaternized polyamine-polymers and poly(vinylphosphonic acid), the surface of one side of the element being contiguous with a positive electrode and the surface on the opposite side of the element being contiguous with a material capable of transporting holes.
This application claims the benefit of U.S. Provisional Application No. 60/409,793 filed Sep. 11, 2002, which is incorporated by reference. In addition, this application claims the benefit of European Application No. 02102215.7 filed Aug. 23, 2002, which is also incorporated by reference.