Nowadays the complete focus is on developing energy efficient machines which are environment friendly. We can no longer afford to play havoc with nature. We are currently experiencing the bad outcomes of global warming caused because of the excessive carbon emissions in the surroundings. Keeping this in mind, LED light bulbs have been introduced and they are fast substituting incandescent bulbs as well as compact fluorescent bulbs (CFLs). LED light bulbs use only a fraction of the energy used by the incandescent and compact fluorescent bulbs. Therefore, it's a green alternative for illuminating spaces. A 12v LED light bulb is as powerful as a 40W incandescent bulb but uses just 2W of power. This means that these kinds of bulbs utilize only 5-10 percent of electricity consumed by the standard bulbs.
In the beginning, LEDs were used only for indicator lights in electronic devices but now they are being used for lighting purposes too. A light providing diode bulb is composed of a few LED light bulbs clustered together. They emit light in ultraviolet, visible, and infrared wavelength. The colour of the light is based on the doping material of the semiconductor.
Not only these bulbs are energy efficient but they also last longer. They even have a life of 7 to 10 yrs based upon their usage. A 12v LED light bulb if used just for 8 hours daily can last for up to 10 years. Though many people ditch the idea of getting these bulbs because of their high cost, they turn out to be an inexpensive choice for lighting in the long run. They actually have five times longer life than compact fluorescent lamps, which last for only 2 years. Moreover, by using these bulbs in your own home, you can lessen your electricity bills by about 15 to 25%. They do not just reduce the cost of lighting however also the cost of air-conditioning. All these bulbs do not emit excessive heat as incandescent bulbs do. Therefore, unlike traditional bulbs they do not heat up the room, which eventually lessens the load on the air conditioning system.
LED light bulbs are mercury free and therefore do not harm the surroundings and the health of the residents. Also, they do not flicker. The shocks and vibrations do not easily damage them as they don't have any filament. These are generally accessible in a wide range of wattages. The most largely used ones are the 12v LED light bulbs which give illumination equivalent to a 40 or 60 Watt incandescent bulb depending upon its specifications. You can get LED floodlights, dimmers, bi-pin lights, flashlights, globes, and so forth in different colors. LED light bulbs do not need filters for producing lights of different colors. Companies make LED light bulbs that release light of different colors by using different semiconductor materials. Additionally they score over incandescent bulbs in respect of luminous efficiency. Whereas the efficiency of a LED light bulb is 55 lumens each Watt, that of an incandescent bulb is only 15 lumens per Watt.
When everybody is aiming to reduce their carbon footprints, such bulbs have come as a boon. The companies are searching for ways to bring down the manufacturing cost of these bulbs so that they can be made accessible to the masses at affordable prices.
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