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Turning the spotlight on to the LED.
Article:
There can be no question about it the light bulb is one of the
greatest inventions that man has made. Since it's first
appearance it has been improved in many ways, first by the
introduction of fluorescent light bulbs, then by the appearance
of halogen bulbs and next by the arrival of energy saving bulbs.
The latest incarnation to arrive on the scene is the LED light
bulb. These bulbs are approximately 35 time more efficient than
an incandescent bulb and about 10 times more energy efficient
than a fluorescent lamp. They come in many different colours as
standard and can easily create a completely different mood in
your home, depending on the color chosen.
An LED (Light Emitting Diode) is a form of semiconductor device
that emits light when an electrical charge is placed across it.
The type of light that emanates from the semiconductor depends
upon the composition of the encapsulating material and can vary
from ultra violet to infrared. There are many advantages of
using LED bulbs over the standard incandescent bulbs. The main
advantage is the energy efficiency aspect. An LED bulb is
brighter than a standard bulb and generates much less heat for
the amount of light output. They use only about 10% of the
energy used by a standard bulb and come in many colours as
standard. The most widely used application of LED bulbs is in
the automotive industry. A cluster of LEDs in place of a bulb
are brighter and more reliable than a single bulb whilst using
much less electricity. The other advantage is that if one led
fails in the cluster the rest continue to work, thus giving and
obvious health and safety benefit.
Another application for led bulbs is within the Christmas
decoration industry. Because LED bulbs use so much less power
than traditional Christmas lights they can be powered from a
simple battery pack rather than have the need for a transformer
and electricity supply to light your exterior Christmas lights.
Another advantage is seen with interior Christmas tree lights.
Because LED bulbs run much cooler that incandescent lamps they
are a much safer option when lighting your indoor tree, far less
chance of a fire with less heat.
A less obvious application for LED bulbs is in the vintage
automobile industry. If the original bulbs are replaced with
super efficient LED equivalents there is much less drain on the
vintage car's electrical system. This reduces the strain on an
already over tired charging system and there is much less chance
of a catastrophic failure of the antique electrical system.
There is an added advantage that headlights do not go dim when
stationary and not revving the engine as they need much less
power to remain bright.
All in all LED bulbs are a fantastic replacement for more
traditional forms of light bulb and they will continue to gain
popularity over the coming years. Who knows, one day Edison's
original incandescent invention may be a dim memory.
About the author:
Author: Jeff King
Jeff King is a technologist with a background in consumer
electrical devices. Learn more about light bulbs at
Light Bulb World
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