| CPC H10K 50/115 (2023.02) [H10K 71/12 (2023.02); H10K 50/15 (2023.02); H10K 50/16 (2023.02)] | 8 Claims |

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1. An electroluminescent device, comprising:
an anode, a hole function layer, a quantum dot emission layer, an electron function layer, and a cathode that are sequentially stacked, wherein
the quantum dot emission layer is doped with a carrier transport material, the carrier transport material comprises at least one of a hole transport material or an electron transport material,
the quantum dot emission layer comprises a quantum dot light emitting material, and a mass ratio of the carrier transport material to the quantum dot light emitting material is in a range of 0.1% to 2%;
the carrier transport material comprises a hole transport material and an electron transport material, and a doping mass ratio of the hole transport material to the electron transport material is in a range of 0.1-10.
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