Patent ID: 8058797
Filing Date: 2011-11-15
Classification: H01L,Y10S

Abstract:
1. An electroluminescent device comprising a hole injecting electrode, an electron injecting electrode and at least one organic light emitting layer disposed between said hole injecting electrode and said electron injecting electrode, wherein a layered metal dichalcogenide layer is disposed between said hole injecting electrode and said light emitting layer, wherein the chalcogen component of said layered metal dichalcogenide is selected from the group consisting of sulfur, selenium and tellurium, wherein the metallic component of said layered metal dichalcogenide is selected from the group consisting of titanium, zirconium, hafnium, vanadium, tantalum, niobium, molybdenum and tungsten, and wherein the layered metal dichalcogenide layer has a structure comprising sheets of metal atoms sandwiched between sheets of chalcogen atoms.