The Difference between High-power and Low-power LED

Time:2016/12/27  keywords:High-power and Low-power LED, LED High Bay


LED, also named light emitting diode, is one of diode, whose feature is to give out different colors of light when current is positively connected. As one of LED, every chip of high-power LED is much higher in power, luminance and price than low-power.


LED High Bay.jpgAs a general rule, the rated current of low-power LED is 20 milliampere. Therefore, any rated current that is higher than 20 milliampere is regarded as high-power, including 0.25w, 0.5w, 1w, 3w, 5w, 8w, 10w, etc. The main unit of luminance is lumen (lm), but low-power unit is micro candela (mcd). The two units can’t be converted. As an emerging green, environmental protection and energy saving light source, it is widely used in automobile lamp, flashlight,  led high bay   and other fixtures.


The reason that it is named as high-power LED just is mainly according to low-power. At present, there are about three standards categories as following.


Firstly, according to the size of power, it is divided into 0.5W, 1W, 3W, 5W, 10W, etc. It differs with the total power of products after packaging.


Secondly, according to the packaging technology, it is divided into epoxy resin packaging in large size, epoxy resin packaging with imitated piranhas, MCPCB packaging, TO packaging, SMD packaging in power type, etc.


Finally, according to the degree of lumens depreciation, it is divided into low lumens depreciation and non-low lumens depreciation high-power products.


In addition, high-power LED has many parameters and it has other different categories in accordance with these data. All in all, it still belongs to one of LED packaging products, which is the important part to help semiconductor lighting enter into common lighting area. 



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