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Organic electroluminescent device using the organic electroluminescent compounds

2025-06-19 18:311070下载
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The present invention refers to organic material and between anode and cathode on a substrate layer is inserted in organic electroluminescent device, organic host formula 1 a layer selected from one or two or more dopant compounds of formula 2 and/which is selected from or more including a light emitting layer containing relates to organic electroluminescence device. The present invention according to organic electroluminescence device rare earth element, high efficiency and brightness characteristic and, which color purity, while one another with a predetermined, exhibits improved stability of a thin film transistor. [Formula 1] [Formula 2]


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