| abstract |
(57) [Summary]nA substrate, an anode, an electroluminescent device and a cathode, wherein at least one of the two electrodes transmits the visible spectral region and the electroluminescent device comprises the following groups: hole injection zone, hole transport zone, electric field An electroluminescent device containing one or several zones of a light emitting zone, an electron transport zone and an electron injection zone. Each of the available zones can also handle jobs belonging to other zones so indicated. The present invention is characterized in that the electroluminescent device contains a thiophene carboxylate metal complex. |