WIRING STRUCTURE INCLUDING ORGANIC EL DISPLAY REFLECTIVE ANODE ELECTRODE

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PROBLEM TO BE SOLVED : To provide a wiring structure having an organic EL display reflective anode electrode equipped with an Al alloy reflective film which is excellent especially in durability against stress in a longitudinal direction, and can acquire stable emission characteristics without unevenness in emission intensity though the Al reflective film is directly connected to an organic layer, and can achieve high yield. SOLUTION : A wiring structure comprises an organic layer including an Al alloy film 6 composing an organic EL display reflective anode electrode, and a light-emitting layer 8 on a substrate 1. The Al alloy film 6 contains a rare earth element of 0.05-5 atom% and has a hardness of 2-3.5 GPa. A density of a grain boundary triple point existing in an Al alloy structure is equal to or greater than 2×108 points/mm2. The organic layer including the light-emitting layer 8 is directly connected on the Al alloy film 6. COPYRIGHT : (C)2013, JPO&INPIT