WHITE LIGHT QUANTUM DOT LIGHT-EMITTING DIODE DEVICE AND PREPARATION METHOD THEREFOR

摘要

A white light quantum dot light-emitting diode device, comprising: a substrate; an anode layer formed on the substrate; a hole injection layer formed on the anode layer; a hole transport layer formed on the hole injection layer; a plurality of quantum dot layers formed on the hole injection layer, the plurality of quantum dot layers including a blue light quantum dot layer, a green light quantum dot layer and a red light quantum dot layer; a plurality of spacer layers, each of the spacer layers being formed between any two of the plurality of quantum dot layers; an electron transport layer formed on the plurality of quantum dot layers; and a cathode layer formed on the electron transport layer.