介绍了量子点材料的发光原理、基本结构，以及量子点LED的特性、制备方法以及其在显示领域的最新进展。量子点LED由于具有发光纯度高、使用寿命长、可由溶液法制备等独特的优点，越来越受到人们的重视，成为显示领域新的研究热点。

A new display technology is being developed that uses quantum dot materials. Quantum dot LED (QD-LED) has the advantage of potential high-efficiency emission, long life-time, energy saving and cost-effective. This paper presents the basic principle and pro-perties of QD-LED, as well as broad prospects and scope in the displaying industry.