A thin film EL device is disclosed which includes a hole-injecting electrode, an electron-injecting electrode paired with the hole-injecting electrode, and a functional layer provided between the hole-injecting electrode and the electron-injecting electrode and emitting light by application of an electric...http://www.google.co.uk/patents/US6849346?utm_source=gb-gplus-sharePatent US6849346 - Electrode and thin film EL device including the same and methods of fabricating the same and display device and lighting system including the thin film EL device
