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g4灯珠led大概需要多少钱?_灯具_设计456问答
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g4灯珠led大概需要多少钱?

浏览:35次 | 提问时间: 08-06 04:58
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3个答案
笑我孤陋 08-06 04:59

G4   LED灯珠12V   插脚3W小灯泡   高亮水晶灯节能光源   220V插泡*,价格17元G4   led灯珠12v   插脚高亮3W小灯泡水晶灯节能贴片光源   g9   插泡220V,价格30元以上价格来源于网络,仅供参考,具体价格以购买时为准

就这么错过你 08-06 05:07

1      尚仕达   G4   插脚led灯珠12V   高亮   插泡水晶灯节能灯光源替代卤素灯泡   G4圆泡12V1.5W通用暖白                           11元2   尚仕达   G4   插脚led灯珠12V   高亮   插泡水晶灯节能灯光源替代卤素灯泡   G4玉米12V1.5W通用暖白                              9元3   尚仕达   G4   插脚led灯珠12V   高亮   插泡水晶灯节能灯光源替代卤素灯泡   G4玉米-12V-3W通用暖白                  14元以上价格来源于网络                                       仅供参考                                                         具体以购买为主

氧气萌主‖ 08-06 05:15

*灯珠led大概需要14元到30元左右。注意:LEDG4灯珠的发光原理,是*穿过一层半导体材料时,激发该半导体材料将电能转化为光能。然而,单层半导体的发光能力很弱,所以要将很多层单层材料叠加起来,压成类似千层糕那样的复合材料,这就是“外延片”。所以,LEDG4灯珠的发光效率决定于在同等厚度里,能压入多少层。单层材料越薄,能叠加的层数越多,发光效率就越高。现在一般每层厚度仅为2-20微米,这也决定了外延片生产是整个LEDG4灯珠生产流程中最困难的部分。以上价格来源于网络,仅供参考,具体价格以购买时为准。

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