AN ORGANIC ELECTRONIC DEVICE COMPRISING A SUBSTRATE, AN ANODE LAYER, A CATHODE LAYER, AT LEAST ONE FIRST EMISSION LAYER, AND A HOLE INJECTION LAYER THAT COMPRISES A METAL COMPLEX

摘要

The present invention relates to an organic electronic device comprising a substrate 110, an anode layer 120, a cathode layer 190, at least one first emission layer 150, and a hole injection layer 130, wherein- the hole injection layer comprises a metal complex, wherein- the metal complex comprises at least one electropositive metal atom having an electro-negativity value according to Allen of less than 2.4, and- the metal complex comprises at least one anionic ligand comprising at least 4 covalently bound atoms;- the anode layer comprises a first anode sub-layer 121 and a second anode sub-layer 122, wherein- the first anode sub-layer comprises a first metal having a work function in the range of ≥ 4 and ≤ 6 eV, and- the second anode sub-layer comprises a transparent conductive oxide;wherein- the hole injection layer is arranged between the first emission layer and the anode layer,- the first anode sub-layer is arranged closer to the substrate, andthe second anode sub-layer is arranged closer to the hole injection layer.