These days the emphasis is on growing energy efficient tools which are environment friendly. We can no longer manage to play wrong with nature. We are already experiencing the unpleasant effects of global warming caused because of the excessive carbon emissions in the atmosphere. Keeping this in mind, LED light bulbs have been introduced and they?re soon substituting incandescent bulbs also compact fluorescent bulbs (CFLs). LED light bulbs use only a fraction of the energy consumed by the incandescent and compact fluorescent bulbs. Hence, it is a green alternative for lighting areas. A 12v LED light bulb is as powerful as a 40W incandescent bulb but uses just 2W of power. This implies that these types of bulbs use only 5 to 10 percent of electricity used by the standard bulbs.
Initially, LEDs were used only for indicator lights in electronic tools however now they are being used for lighting purposes too. A light emitting diode bulb is composed of a few LED light bulbs clustered together. They emit light in ultraviolet, visible, and infrared wavelength. The color of the light depends on the doping material of the semiconductor.
Not only these bulbs are energy efficient however they also last longer. They even have a life of 7 to 10 years based upon their usage. A 12v LED light bulb if used only for 8 hours daily can last for up to 10 years. Even though many individuals ditch the idea of buying these bulbs because of their high price, they turn out to be an inexpensive choice for lighting in the long run. They actually have 5 times long life than compact fluorescent lamps, which usually last for only 2 years. Additionally, by using these bulbs in your own home, you can minimize your electricity bills by about 15 to 25 percent. 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 just do not heat up the room, which eventually reduces the load on the air conditioning system.
LED light bulbs are mercury free and for this reason do not harm the surroundings and the health of the residents. Even, they do not glint. The shocks and vibrations do not easily damage them as they don?t have any filament. They are accessible in a wide selection of wattages. The most widely used ones are the 12v LED light bulbs that give illumination equal to a 40 or 60 Watt incandescent bulb depending upon its specifications. You can get LED floodlights, dimmers, bi-pin lights, flashlights, globes, and many more in different colors. LED light bulbs do not need filters for producing lights of different colors. Companies produce LED light bulbs that release light of different colors by using different semiconductor materials. In addition they score over incandescent bulbs in terms 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 looking for ways to reduce the manufacturing price of these bulbs so that they can be made accessible to the masses at affordable costs.
Source: http://robinson-construction.com/homeimprovement/2011/08/21/why-are-led-bulbs-becoming-so-popular/
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