Optical device comprising a charge transport layer of insoluble organic material and method for the production thereof


Ontology type: sgo:Patent     


Patent Info

DATE

N/A

AUTHORS

Nalinkumar L. Patel , Natasha M. Conway , Mark Leadbeater , Ilaria Grizzi

ABSTRACT

A method of forming an organic light emitting diode comprising the steps of: providing a substrate comprising a first electrode for injection of charge carriers of a first type; forming a charge transporting layer by depositing over the substrate a charge transporting material for transporting charge carriers of the first type, the charge transporting material being soluble in a solvent; treating the charge transporting layer to render it insoluble in the solvent; forming an electroluminescent layer by depositing onto the charge transporting layer a composition comprising the solvent, a phosphorescent material, and a host material; and depositing over the electroluminescent layer a second electrode for injection of charge carriers of a second type. More... »

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