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    • 77. 发明公开
    • ORGANIC LIGHT EMITTING DIODE
    • 有机发光二极管
    • EP2749625A1
    • 2014-07-02
    • EP13755298.0
    • 2013-02-27
    • LG Chem, Ltd.
    • HONG, Sung KilKIM, KongkyeomJANG, JungiKIM, Yun HwanCHUN, Minseung
    • C09K11/06H01L51/50
    • H01L51/006H01L51/0052H01L51/0054H01L51/0058H01L51/0061H01L51/0067H01L51/0072H01L51/0073H01L51/0074H01L51/0096H01L51/5072H01L51/5096
    • The present invention relates to an organic light emitting diode and a method of manufacturing the same. An organic light emitting diode according to the present invention comprises an exciton blocking layer comprising a compound represented by Formula 1 to confine an exciton to a light emitting layer to prevent light emitting leakage, and thus there is an effect of implementing an organic electroluminescence diode having excellent light emitting efficiency. Further, even though there is no separate electron injection layer, electron injection and light transport characteristics are excellent by comprising an electron transport layer comprising a compound represented by Formula 2 or 3, and thus it is possible to implement an organic light emitting diode having a simple and economical manufacturing process, a low voltage, high efficiency, and a long life span as compared to the related art.
    • 有机发光二极管及其制造方法技术领域本发明涉及有机发光二极管及其制造方法。 根据本发明的有机发光二极管包括激子阻挡层,所述激子阻挡层包含由式1表示的化合物以将激子限制于发光层以防止发光泄漏,并且因此具有实现具有下述效果的有机电致发光二极管的效果: 出色的发光效率。 此外,即使没有单独的电子注入层,通过包含含有由式2或3表示的化合物的电子传输层,电子注入和光传输特性也是优异的,因此可以实现具有 简单且经济的制造工艺,与现有技术相比具有低电压,高效率和长寿命。