An organic light-emitting device including a substrate, an anode disposed over the substrate, an organic light-emitting structure disposed over the anode, a cathode buffer layer disposed over the organic light-emitting structure and formed of a material selected to permit high energy deposition of a...http://www.google.fr/patents/US6140763?utm_source=gb-gplus-shareBrevet US6140763 - Interfacial electron-injecting layer formed from a doped cathode for organic light-emitting structure
Interfacial electron-injecting layer formed from a doped cathode for organic ...
