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三星在40W LED灯的内部替换了什么?

2012-6-6 11:36| 发布者: lfcx| 查看: 230| 评论: 0|来自: 网络

摘要: 2010年2月,拆解了第一个LED灯泡。当时,20美元可以买到40W 500流明、冷白5000K、消耗功率为7W的不可调光灯泡,在该灯的暖白版本下,仅生成450流明。两年后,可以用19.95美元(定价)购买到550流明、暖白3000K、消耗功 ...
2010年2月,拆解了第一个LED灯泡。当时,20美元可以买到40W 500流明、冷白5000K、消耗功率为7W的不可调光灯泡,在该灯的暖白版本下,仅生成450流明。两年后,可以用19.95美元(定价)购买到550流明、暖白3000K、消耗功率为10W、并拥有5年保质期的可完全调光三星LED灯泡。

三星在40W LED灯的内部替换了什么?

三星在40W LED灯的内部替换了什么?

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