WHITE LIGHT QUANTUM DOT LIGHT EMITTING DIODE DEVICE AND PREPARATION METHOD THEREOF

摘要

A white light quantum dot light emitting diode device, including: 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, wherein the plurality of quantum dot layers includes a blue quantum dot layer, a green quantum dot layer, and a red light quantum dot layer; a plurality of isolation layers, each of the isolation layers is 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.