Quantum dot light emitting device

The invention provides a quantum dot light emitting device. An electron injection layer and an electron transport layer of the quantum dot light emitting device contain a phenanthroline compound or aquinoline compound. The light emitting device provided by the invention can achieve high light emitting efficiency and high color reproduction. The quantum dot light emitting device can be used as a light source for backlight, lighting and meters of a quantum dot display and a liquid crystal display, a marking board or an identification lamp. 本发明提供种量子点发光元件，量子点发光元件的电子注入层和电子传输层含有菲咯啉化合物或喹啉化合物。由本发明提供的发光元件可实现高发光效率及高色再现性。本发明的量子点发光元件可用于量子点显示器、液晶显示器的背光源、照明、计器类等的光源、标示板或标识灯等。