An organic light emitting device is provided which includes a cathode (51), an anode (47, 46, 48), and an organic electroluminescent region (49, 50). The anode includes a metal layer (46), a barrier layer (47), and an anode modification layer (48). Light is emitted through the cathode (51) when a voltage is applied between the anode (47, 46, 48) and the cathode (51).
An organic light emitting diode consisting of multiple organic layers, disposed between a transparent conducting anode and metallic cathode. The anode is provided with a metal fluoride layer to enhance the overall performance of the device, including higher power efficiency, lower voltage threshold and improved device operation stability.
An organic light emitting diode display includes an insulating layer, a stress buffer disposed on the insulating layer, a first electrode disposed on the stress buffer, an organic light emitting member disposed on the first electrode, and a second electrode disposed on the organic light emitting member.
The present invention relates to OLED devices having anodes with improved stability and longer lifetime. In particular, the present invention relates to OLEDs comprising an anode having improved stability and longer lifetime wherein the anode comprises a semi-transparent single layer comprising molybdenum.
An organic electroluminescent (EL) device includes a substrate, a first anode formed on the substrate with a reflectivity of 60% or higher, a second anode formed on the first anode, wherein the second anode includes a conductive metal or an oxide thereof having a work function of 4.3 to 5.8 eV, an organic layer formed on the second anode, and a cathode formed on the organic layer.
An organic electroluminescent image display apparatus capable of displaying a high-quality image wherein light is taken out from a cathode layer side of an upper surface is described. The organic electroluminescent image display apparatus includes an anode layer, an organic layer, a barrier conductive layer having optical transparency, and a cathode layer having the optical transparency successively disposed on a substrate. The barrier conductive layer contains a metal, an inorganic nitride, and/or an inorganic oxide. Alternatively, the organic electroluminescent image display apparatus includes an anode layer, an organic layer, a first cathode layer having optical transparency, an electron transport protective layer having the optical transparency, and a second cathode layer having the optical transparency successively disposed on a substrate. The electron transport protective layer contains an alkali metal and/or an alkali earth metal in an electron transporting organic material.
