【摘要】 介绍了一种用交流电源直径驱动发光管显示的大型超高亮LED显示屏系统，重点就三相电源同步及显示驱动技术、隔行交替刷新技术、显示屏智能控制机软硬件结构及重要程序模块的设计作了较详细论述．更多还原

【Abstract】 This paper introduces a kind of super-illuminated LED display screen systemdriven by alternate voltage source. It presents mainly the technologies of display driving,synchronization of three-phase source, alternate refreshing, the hardware and softwarestructure of intelligent controller, and the design of important programming model.更多还原