Organic electroluminescent device having a protective covering comprising organic and inorganic layers
AssigneeMatsushita Electric Industrial Co., Ltd.
InventorsMutsumi Suzuki, Masao Fukuyama, Yoshikazu Hori
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Abstract
An organic electroluminescent device comprises an electroluminescent unit having an organic layer structure provided between a pair of electrodes and capable of emitting light on application of a voltage thereto. The electroluminescent unit is covered with a protective double layer made of an organic barrier layer and an inorganic barrier layer formed on the unit in this order.
Claims12
In an organic electroluminescent device comprising an electroluminescent unit including a pair of electrodes and an organic layer structure provided between the pair of electrodes and capable of emitting light on application of a voltage thereto via the pair of electrodes, and a dual layer protective covering formed on said electrolumescent unit, wherein said dual layer consists of a single organic barrier layer covering and in contact with said electroluminescent unit and a single inorganic barrier layer formed on said organic barrier layer.
Dependencies are inferred from the claim text.