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为25LM的高亮度led一般所消耗的功率超过1w。这意味着白光led驱动器ic必须以高效率进行转换,这样它才能不成为热问题的主要成因。另外,在很多情况下都存在空间受限问题,led驱
http://blog.alighting.cn/q89481240/archive/2011/7/20/230476.html2011/7/20 23:08:00
破:cree公司开发出发光效能为74lm/w的白色led,lamina ceramics公司也封装出额定光通为120LM的当前最紧凑的rgb型led光源……一系列技术上的突破向我们预
http://blog.alighting.cn/q89481240/archive/2011/7/20/230472.html2011/7/20 23:07:00
画在led的vf曲线图上,两条曲线的交点是各个led的调节点。图4. 白色led通常有四种不同的驱动电路:(A) 电压源与镇流电阻, (b) 电流源与镇流电阻, (c) 多路电流
http://blog.alighting.cn/q89481240/archive/2011/7/20/230473.html2011/7/20 23:07:00
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-9 包膜、透明性高,防腐,用于密封胶 vk-j50lw 白色液体 50 40 水 8-7 包膜、导电性能好,用于抗静电、导电材料 vk-j50A 白色液体 50 40 棕榈酸
http://blog.alighting.cn/weking1/archive/2011/7/20/230398.html2011/7/20 11:10:00