有機エレクトロルミネッセンス素子の評価方法、評価装置、評価プログラム、記録媒体および製造方法

摘要

A method of evaluating an organic electroluminescence element which includes at least a light emitting layer between an anode and a cathode and has a light emitting element area of not less than 100 mm 2 and not more than 1 m 2 . The method includes the steps of: applying a direct-current voltage not less than a light emission start voltage to the organic electroluminescence element and measuring an impedance spectrum of the organic electroluminescence element; calculating a capacitance from the impedance spectrum; and determining whether a value of the capacitance is positive or negative.