1、 毕业设计(论文)报告毕业设计(论文)报告 题 目 LED 电子电子广告牌的设计广告牌的设计 系 别 专 业 光电子技术 班 级 0701 学生姓名 学 号 指导教师 2012 年 4 月 摘要摘要:LED 电子显示屏是随着计算机及相关的微电子、光电子技术的迅猛发展 而形成的一种新型信息显示媒体。 它由发光二极管构成的点阵模块组成可变面积 的显示屏幕,以可靠性高、使用寿命长、环境适应能力强、性能价格比高特点, 在短短的十几年中,迅速成长为平板显示的主流产品。 本文主要介绍了 LED 电子广告牌的原理、分类以及设计。通过对以单片机 AT89S52 为核心的 LED 电子显示系统程序的修改,还介绍
2、了在硬件和软件上的 实现过程。本系统具有设计简单、成本低廉、可靠性高的特点,主要应用于厅堂、 车站、广场等公共场所。 关键关键词词:LED 电子显示屏,单片机,设计 LED Electronic Billboards Designing Abstract: LED Electronic Screen is a new form of information display media which is with the rapid developing of computers and related micro-electronics, photonics technology. It co
3、nsists variable size of display screen with LED dot matrix modules. It grows rapidly in Flat Panel Screen for the mainstream products with high reliability, long service life, a strong ability to adapt to the environment, the high cost-performance characteristics in the short span of the last 10-odd
4、 years. This paper mainly introduces the principle, classification and design of LED Electronic Billboards. Based on the monolithic integrated circuit AT89S52 as the core LED electronic display system program changes, it can also change the move style and speed of the display content and so on. The paper gives the hardware and software on the implementation process; It is simple in design ,cheap in cost and high in reliability. It is mainl