同样的瓦数cob亮还是led亮-天气预报

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同样的瓦数cob亮还是led亮

更新时间： 2019-04-24 00:00:00

led。同功率led灯更亮，cob是指灯珠的一种封装方式，cob灯也是led灯的一种。cob是区别于单颗led来说，主要还是看功率，同功率两者亮度相差不大。同时还要看反光杯、透镜等。LED是通过几个光点，借助有机塑料的帮助，实现整个灯带亮。距离远近的亮度都差不多，可以把光源扩散的距离更长。COB是完全靠光点发光，没有什么传播途径，近看亮度非常大，而远观亮度很一般，再远一点就看不见了。

关键词：同样 cob 还是 led

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