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LED背光灯珠的优缺点分析
LED背光灯珠作为最新一代液晶面板的背光系统,相比于传统的CCFL背光拥有许多的优势,也拥有一些缺点。下面,深圳拓展光电就将LED背光灯珠的优缺...
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led灯珠如何更换
一般LED灯具不亮,常常是LED灯珠的串联线路中有一颗或者几颗灯珠烧坏导致LED电路板断路,引起LED线路不通形成灯具整体不亮或者微亮闪烁的现象...
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led灯珠怎么测试好坏
最有效的检测工具是指针式万用表(两组电源,其中一组是3V的)。用Rx1档测其两脚(红黑表笔调换着触二个脚),电阻大时黑笔接触的一脚是阴极。响应时...
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LED灯为什么会出现光衰?
LED灯商品的光衰便是光在传送中的信号变弱,而目前全世界LED大型厂作出的LED商品光衰水平都不一样,功率大的LED一样存有光衰,这和温度有立即...
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LED灯珠的不良情况有哪些
一:死灯(LED的正负极接通标准电压下灯不亮或微亮),造成死灯的原因有很多,比较复杂,主要是从静电和封装角度去分析。二:色偏(指的是LED发出的...
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LED灯珠损坏的情景
众所周知LED灯珠具有节能、亮度高、寿命长、故障率低等优点,已经成为了市面上大家所喜爱的一种发光体了。但是故障率低不等于没故障,那么LED灯珠坏...
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