Quantum dot light-emitting diode and preparation method thereof
A quantum dot light-emitting and diode technology, applied in the field of quantum dots, can solve the problems of low luminous efficiency and unbalanced charge injection of quantum dot light-emitting diodes
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[0017] The present invention provides a quantum dot light-emitting diode and a preparation method thereof. In order to make the purpose, technical solution and effect of the present invention clearer and clearer, the present invention will be further described in detail below. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.
[0018] There are various forms of quantum dot light-emitting diodes, and the quantum dot light-emitting diodes are divided into positive structure and inverse structure. In some embodiments, the quantum dot light-emitting diodes of the positive structure include substrates stacked from bottom to top , a bottom electrode, a quantum dot light-emitting layer, an electron transport layer and a top electrode. For a quantum dot light-emitting diode with a positive structure, the bottom electrode arranged on the substrate is an anode. In one embodiment of the...
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