Light-emitting diode (LED) lights are becoming more common in homes, cars and practically anywhere light bulbs are used. This type of bulb is a significant change from the filament bulbs that were invented by Thomas Edison and widely used for more than a century. Environmentally-conscious advocates of LED lights have sold this new bulb as a cost-effective alternative to traditional bulbs. Although they are more expensive in the short-term, they can save money over the long run.
Energy Conversion
In a filament light bulb, much of the energy created is emitted as heat. That explains why light bulbs that are on for a length of time are hot to the touch. Heat is necessary to generate the glow of the filament, but it also exhausts most of the energy supplied to the bulb. LED bulbs, on the other hand, create very little heat. This results in the electricity being converted more efficiently into light energy rather than heat energy, which can result in less electricity used. Although an LED light has higher costs than a normal bulb, it also can save money on an electricity bill by eliminating the energy wasted on generating heat. LED lights use as little as 1/30th the energy of other light bulbs, according to EarthEasy.com.
Improved Life and Durability
Incandescent light bulbs expire when the filament breaks and the electrical current's course is severed. This isn't the case with LED lights, which can last as much as 100 times longer than a normal incandescent bulb. Incandescents also are more fragile because of their thin filaments, and the bulbs are broken much more easily when bumped or jarred. LED lights have nothing fragile within them, making them more durable when transported or knocked.
Easier Alternative Energy Use
One of the primary concerns with solar panels and other forms of alternative energy is the risk of running out of power. Light bulbs often account for a significant amount of electricity used in a home, and they can drain power reserves quickly. But LED lights minimize this power usage, which helps a house run longer on a limited power supply. In remote locations where alternative power is the only option, this form of lighting is the most efficient method.
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