Patent ID: 6338908
Filing Date: 2002-01-15
Classification: H01L

Abstract:
An organic electroluminescent device comprising a hole injecting electrode, an electron injecting electrode, at least one organic layer between the electrodes, and an inorganic insulating hole injecting and transporting layer between said hole injecting electrode and said organic layer, whereinsaid inorganic insulating hole injecting and transporting layer comprises silicon oxide or germanium oxide or mixtures thereof represented by the formula: (Si1âˆ’xGex)Oy wherein 0.8&lE;x&lE;1 and 1.8&lE;y&lE;2.5, and further comprises 0.01 to 2% by weight of at least one element selected from the group consisting of argon, krypton, xenon, and neon.