Organic LED of multilayer structure
A light-emitting diode and multi-layer structure technology, which is applied in the direction of electrical components, circuits, and electric solid-state devices, can solve the problems of low charge injection efficiency and high drive voltage, and achieve the effect of reducing drive voltage and improving charge injection efficiency
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[0013] The technical scheme of the present invention will be described in further detail below in conjunction with the accompanying drawings and specific embodiments, so that those skilled in the art can better understand the present invention and implement it, but the examples given are not intended to limit the present invention.
[0014] A multilayer organic light emitting diode, such as figure 1 As shown, it includes a cathode layer, an electron injection layer 2, an electron transport layer 3, a light emitting layer 4, a hole transport layer 5, a hole injection layer 6, an anode layer and a glass substrate 9 stacked sequentially from top to bottom. Wherein, the cathode layer is a MgAg alloy layer 1, the anode layer is a conductive glass layer 8 (a layer of indium tin oxide, commonly known as ITO, is plated by sputtering, evaporation and other methods), and the hole injection layer 6 A buffer layer 7 is also arranged between the conductive glass layer 8, the buffer layer 7...
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