光谱学与光谱分析, 2018, 38 (8): 2325, 网络出版: 2018-08-26
高压LED芯片的研究进展
Research Progress of High-Voltage LED Chip
摘要
高压发光二极管(high-voltage light-emitting diode)具有工作电压高、 驱动电流小的特点, 还有封装成本低、 暖白光效高、 高可靠性驱动、 线路损耗低等优点, 这使其得到了广泛的研究与应用。 首先介绍了高压LED的基本原理, 分类与结构; 然后, 着重从优化器件光电特性的角度, 阐述了高压LED关键制备工艺的最新研究进展; 并从失效机制和热特性方面阐述了高压LED的可靠性问题; 最后, 展望其发展与应用前景。
Abstract
High-voltage light-emitting diode has the characteristics of high working voltage, small drive current, high efficiency, high reliability and low energy consumption, which has been widely studied and applied. This paper first introduces the basic principle of high-voltage LED, classification and structure; Then, the latest research progress of the key fabrication technology of high-voltage LED is described, from the point of optimizing the photoelectric characteristics of the devices; The reliability of high-voltage LED are discussed from the aspect of failure mechanism and thermal characteristics as well; Finally, its development and application prospects are prospected.
王嘉露, 郭伟玲, 李松宇, 杨新, 孙捷. 高压LED芯片的研究进展[J]. 光谱学与光谱分析, 2018, 38(8): 2325. WANG Jia-lu, GUO Wei-ling, LI Song-yu, YANG Xin, SUN Jie. Research Progress of High-Voltage LED Chip[J]. Spectroscopy and Spectral Analysis, 2018, 38(8): 2325.