| abstract |
An organic light emitting device is disclosed. The organic light emitting device includes a cathode, a layer containing an organic electroluminescent material, a layer containing an electron accepting material, an anode capping layer containing an inorganic material, and an anode; And a substrate in front of the cathode or in the order of the anode, wherein the anode capping layer is selected to provide the device with a luminance stability ratio greater than one.n n n Organic light emitting device, anode capping layer, electron accepting layer |