LED bulb vs. halogen bulb


LED bulb vs. halogen bulb


How does an LED bulb work?

An LED - a light emitting diode (abbreviated as LED in French, but more commonly known as LED for Light Emitting Diode) - is an optoelectronic component that emits light when it is traversed by a continuous electric current. Thus, an LED bulb has no filament, unlike an incandescent bulb, but consists of layers of several semiconductor materials that are aluminum nitride and gallium phosphide. These materials, with no resistance to current, prevent energy loss while creating light. In fact, the excess electrons encounter positively charged atoms, when the electric current passes through the semiconductor layers, which releases energy in the form of light. So,


Advantages and the disadvantages of an LED bulb?

The major advantage of an LED bulb is undoubtedly its high energy efficiency because no energy is lost as seen previously. Thus, with LED technology, the operating time of an LED can range from 15,000 to 50,000 hours, giving an extended life of 15 to 40 times compared to a standard bulb. In the long run, this translates into low maintenance costs and a return on investment of the initial purchase cost, generally higher, of less than one year.


Application areas

LED lighting has almost unlimited application possibilities - accent lighting, general lighting, etc. Indeed, it is available in a wide range of light colors - from 1700K which corresponds to the light intensity of a 6500K candle which corresponds to daylight - with a color rendering index of 90 to 100 The IRC 100 is that of sunlight. And, it has a light beam (also called opening angle or radiation angle) of 8 ° to 360 ° to reduce, as much as possible, the loss of brightness so the "stray light", that is to say tell the amount of light that falls outside the cone of the light output.


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