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    • 2. 发明申请
    • METHOD AND APPARATUS FOR LEAK-TESTING AN ELECTROLUMINESCENT DEVICE
    • 用于泄漏测试电致发光器件的方法和装置
    • WO2002103378A2
    • 2002-12-27
    • PCT/IB2002/002195
    • 2002-06-10
    • KONINKLIJKE PHILIPS ELECTRONICS N.V.
    • MANK, Adrianus, J., G.VAN DER WEIJER, Peter
    • G01R31/26
    • H01L51/5259
    • A method of detecting the leak-in of oxygen in an organic electroluminescent device via the extent of photo-degradation of the electroluminescent organic material is described. The photo-degradation of the electroluminescent organic material is induced by the presence of oxygen, and can be detected by comparing the photo luminescence of the material, before and after illumination of the material with light (e.g. form a laser). Photo-degradation due to the presence of oxygen in an encapsulated organic electroluminescent device is evidence for a leak in the device, which leak will result in a shorter lifetime of the device. The invention provides a fast, non-destructive method of inspecting organic electroluminescent devices on leakage, immediately after their production. Leak devices can be identified and discarded, even on-line.
    • 描述了通过电致发光有机材料的光降解程度检测有机电致发光器件中的氧气泄漏的方法。 电致发光有机材料的光降解由氧的存在引起,并且可以通过在材料照射之前和之后(例如形成激光)比较材料的光致发光来检测。 由于在封装的有机电致发光器件中存在氧引起的光降解是器件泄漏的证据,这种泄漏将导致器件的寿命更短。 本发明提供了在其生产之后立即检查有机电致发光器件的泄漏的快速,非破坏性的方法。 泄漏设备可以被识别和丢弃,甚至在线。