Buffer layers for organic electroluminescent devices and methods of manufacture and use

Organic electroluminescent device of comprising multilayer structure of the electrode, an active layer and buffer layer. The active layer comprises the luminous material. The buffering layer is arranged between the electrode and active layer, and a electrode conductive connecting, wherein the three aryl residue polyurethane hole and material electrons and receiving the. The buffering layer comprises a optional) aggregation adhesive and b) off-color material and c) one of a light particles or multiple probable of. The buffering layer is provided with with multiple three aryl residue polyurethane element hole and material of header.