Polymere Licht-emittierende Diode und Verfahren zu deren Herstellung

(A1) Die Erfindung betrifft polymere Licht emittierende Dioden (PLEDs), enthaltend mindestens eine transparente Elektrode als Anode, mindestens eine Metallelektrode als Kathode sowie ein organisches, Licht emittierendes Mehrschichtsystem aus thermisch vernetzten Polymerschichten sowie ein Verfahren zu deren Herstellung.

DE 102007044872 A1 UPAB: 20090428 NOVELTY - Preparation of a polymer light emitting diode, comprises: (a) contacting at least a first solution containing at least a hole transport material and at least a thermally crosslinkable polymer on a transparent anode; (b) thermally crosslinking the polymer under the formation of a first layer; adding a second solution containing at least a phosphorescent emitter and at least a thermally crosslinkable polymer on the first layer; thermally crosslinking the polymer under the formation of the second layer; and adding at least a metal as a cathode material in area wise on the second layer. DETAILED DESCRIPTION - An INDEPENDENT CLAIM is included for the polymer light emitting diode comprising at least a transparent electrode as anode, at least a metal electrode as a cathode and an organic, light emitting multi-layer system made of thermally crosslinkable polymer, where the layer system comprising at least a first hole transport material containing first layer and a second, at least phosphorescent emitter containing layer. USE - The process is useful for the preparation of polymer light emitting diode. ADVANTAGE - The process produces the polymer light emitting diodes in a simple manner and with improved durability.