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发明公开
CN104882558A 一种有机电致发光器件及其制备方法 无效 - 撤回

一种有机电致发光器件及其制备方法
摘要：
本发明提供了一种有机电致发光器件，包括依次层叠的阳极导电基板、空穴注入层、空穴传输层、发光层、电子传输层、电子注入层、阴极层和封装层，所述封装层包括依次层叠的第一无机阻挡层和第二无机阻挡层；所述第一无机阻挡层的材质为碳氮化硅、氧氮化硅或氧碳化硅，所述第二无机阻挡层的材质为氮化铍、氮化镁、氮化钙、氮化锶或氮化钡。本发明实施例有机电致发光器件的水蒸气渗透率（WVTR）最大为4.29×10-6g/m2·day，寿命达15,000小时以上；本发明还提供了一种有机电致发光器件的制备方法，该方法尤其适用于封装柔性有机电致发光器件。
摘要（英）：

The invention provides an organic electroluminescent device which comprises an anode conductive substrate, a hole injection layer, a hole transport layer, a light emitting layer, an electron transmission layer, an electron injection layer, a cathode layer and a packaging layer; wherein the anode conductive substrate, the hole injection layer, the hole transport layer, the light emitting layer, the electron transmission layer, the electron injection layer, the cathode layer and the packaging layer are successively laminated. The packaging layer comprises a first inorganic barrier layer and a second inorganic barrier layer which are successively laminated. The first inorganic barrier layer is made of silicon carbonitride, silicon oxynitride or silicon oxycarbide. The second inorganic barrier layer is made of beryllium nitride, magnesium nitride, calcium nitride, strontium nitride or barium nitride. The water vapor transmission rate (WVTR) of the organic electroluminescent device provided by an embodiment of the invention reaches up to 4.29*10<-6>g/m<2>*day, and the service life is more than 15000 hours. The invention further provides a preparation method for the organic electroluminescent device. The preparation method is particularly suitable for packaging a flexible organic electroluminescent device.

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