| abstract |
A transparent or translucent support, a transparent or translucent first electrode, a second conductive electrode, and an electro sandwiched between the transparent or translucent first electrode and the second conductive electrode An electroluminescent device comprising a luminescent phosphor layer, wherein a polymer or copolymer of 3,4-dialkoxythiophene, wherein the first and second electrodes may be the same or different, respectively. Wherein the two alkoxy groups represent the oxy-alkylene-oxy bridge, which may be the same or different or together may be optionally substituted, as described above Display comprising electroluminescent device, lamp comprising electroluminescent device as described above, manufacture of electroluminescent device as described above Law, and the use of the device for the integrated background illumination of static and dynamic posters and billboards. |