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LED大屏幕显示器 LED large screen display

来源:wenku163.com  资料编号:WK1635841 资料等级:★★★★★ %E8%B5%84%E6%96%99%E7%BC%96%E5%8F%B7%EF%BC%9AWK1635841
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LED 大屏幕显示器
LED 大屏幕显示器由于其醒目、内容灵活多变等特点,已经越来越多地应用于广告、信息发布、交通指示等公共场所,取得了良好效果。LED显示屏主要分为数码显示和点阵显示两大数,本文只讨论点阵显示。目前的LED显示屏基本上都是先由用户提出要求,生产厂这根据需要订做,每次都要重复设计电路和机械结构,造成资源浪费,而且若用户的需求改变,改动将十分困难。
实际上不论显示屏的大小,其原理都是相同的,因此完全可以设计出一种标准化、模块化的LED显示屏,会对不同的需要,只需要得意组合相应的模块即可。本文介绍的就是一种模块化的LED显示屏,可以根据需要灵活改变大小,并可以脱离计算机独立运行,还可以实现如闪烁、滚动显示等特效。对整体式显示屏刷新率不足发生闪烁的常见问题,在这个设计中由于被分割成小模块,不再成为问题。

LED large screen display
LED large screen display because of its eye-catching, content and other characteristics of flexible, has been applied to more and more advertising, information dissemination, traffic instructions, and other public places, and achieved good results. LED display digital display and can be divided into two major dot-matrix display the number of dot-matrix display discussion paper only. The current LED display are basically first requested by users, manufacturers need to build in accordance with this, to repeat each circuit design and mechanical structure, resulting in waste of resources, and if the user needs to change, the changes will be very difficult.

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