LED点阵显示屏设计与制作毕业论文-仪.doc

毕 业 论 文（设计） 论文题目：LED点阵显示屏设计与制作 学生姓名：吴 仪 学 号：1101010112 年级专业：11级应用电子技术 指导老师：陈 燃 系 别：电 信 湖南·长沙 二O一四年三月 目 录 摘要 ····························································1 1绪论····························································2 1.1 LED显示屏的研究背景及意义·············································2 2 LED电子显示屏的介绍············································2 2.1 LED显示屏简介·························································2 2.2 LED显示屏的分类·······················································3 3 LED显示屏的组成················································4 3.1 LED显示模块结构·······················································4 3.2 LED显示系统的构成·····················································5 3.3 LED显示屏的硬件原理···················································6 4 LED显示屏的设计················································7 4.1 LED点阵显示屏驱动设计·················································7 4.2 LED显示屏的控制模式···················································8 4.3 LED显示屏的主控电路···················································8 4.4 LED显示屏的实现技术···················································9 5 LED显示屏的应用···············································10 5.1 LED显示屏的应用······················································10 5.2成果展示与总结························································11 5.3 LED显示屏的术语解释··················································13 参考文献························································15 致谢····························································16LED显示屏设计与制作 作 者：吴 仪 指导老师：陈 燃 (湖南信息科学职业学院电子信息系11级应用电子技术，长沙 410151) 摘要：LED就是light emitting diode 发光二极管的英文缩写它是一种的LED显示屏（LED display），又叫电子显示屏或者飘字屏幕是由组成，通过红色或绿色灯珠的亮灭来显示文字、图片、动画、视频等各种信息的显示屏幕，内容可以随时更换，各部分组件都是模块化通常由显示模块、控制系统组成。显示模块由LED灯组成的点阵构成，负责发光显示；控制系统通过控制相应区域的亮灭，可以让屏幕显示文字、图片、视频等内容，恒舞动卡主要是播放动画的；电源系统负责电流转为显示屏需要的电压电流。 图3-1 8*8点阵外观及引脚图 图3-2 8*8点阵等效电路 3.2 LED显示系统的构成 LED显示屏主要包括发光二极管构成的点阵或像素阵列、驱动电路、控制系统和传输接口以