The present invention provides a large, multi digit seven segment code light emitting diode electronic display device which is driven by dynamic scanning mode. The utility model is characterized in that each segment of the light-emitting diode is provided with an electronic integral brightening circuit. Another feature of the device is that it can be used as a control device of dynamic scanning display, and the operation is simple, the price is low, and the control is convenient. The invention can be widely used in occasions such as stations, docks, airports, banks, shops, sports competitions, teaching demonstration, etc..
【技术实现步骤摘要】
【技术保护点】
大型、多位数字七段码发光二极管电子显示装置,以动态扫描方式驱动,其特征在于,显示牌上每一段的发光二极管LED串联后再并联,其负极分别接显示牌的段端a、b、c、d、e、f、g,正极分别串联电阻R和二极管D后再接显示牌的位端1、2、……n.在每段串联着的发光二极管LED和二极管D两端并联电解电容器C。
【技术特征摘要】
【专利技术属性】
技术研发人员:张以浩,嵇维亮,
申请(专利权)人:安徽省交通科学研究所,
类型:发明
国别省市:34[中国|安徽]
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