CPC H10K 50/115 (2023.02) [H10K 50/11 (2023.02); H10K 50/15 (2023.02); H10K 50/16 (2023.02); H10K 71/00 (2023.02); H10K 2101/40 (2023.02)] | 20 Claims |
1. A quantum dot light-emitting device, comprising a first electrode layer, a quantum dot light-emitting layer, a second electrode layer and a third electrode layer which are sequentially arranged in a stacked mode, wherein
a side, away from the first electrode layer, of the third electrode layer is configured as a light exiting side;
the second electrode layer and the third electrode layer are transparent electrode layers;
a Fermi energy level of the second electrode layer is smaller than a LUMO energy level of the quantum dot light-emitting layer and greater than a Fermi energy level of the third electrode layer;
a thickness of the second electrode layer is 5%-20% of a thickness of the third electrode layer; and
an oxygen content of material of the second electrode layer is smaller than an oxygen content of material of the third electrode layer.
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