The Main Advantages And Disadvantages Of Using Led Pl Bulbs}

Submitted by: Carol Oon

In 1907, when H. J. Round discovered electroluminescence – the principle that permitted the first LED PL bulbs to be created – no one was able to find a use for this discovery.

Some years later (in 1962), when Nick Holonyak put together the first light emitting diodes that provided visible light, in other words, the first LED PL Bulbs, their utility became obvious in every scientists’ mind. Even though, at that moment, the cost of using this source of light was too high and no one seemed to be able to use it on a large scale, the inventors did not abandon the idea and, in a short while, the light made by a LED PL bulb could be used by anyone in the world.

The classic methods of obtaining light, like incandescence and fluorescence, are now losing ground. When comparing the advantages and disadvantages of using LED PL bulbs instead of an incandescent bulb, everybody seems to agree that using LEDs is safer, cheaper, and more decorative.

The problem with incandescent bulbs is that a great part of the energy they needed was used to bring the filaments to incandescence. With a LED PL bulb, there is no need to bring a metal to incandescence, because the principle to obtain light is different. In a world of ever less energy resources, of desperate struggle to preserve nature and prevent global warming, any method of saving energy is important for saving the Earth.

More than that, the light emitted by LED PL bulbs can be easily modulated and oriented in different directions without the help of mirrors or reflectors. Moreover, from the very beginning, in the fabrication process, this type of bulb can be made to bring angular light, from a few degrees to almost 120 degrees. LED PL bulb can be easily manufactured in different shapes, from a bulb similar to classic incandescent bulbs, to a rigid or flexible ribbon of continuous light.

Compared to the light given by classical bulbs, which can deliver just a spot of yellow light, the one emitted by LEDs is closer to the natural light, as it is continuous and white. Furthermore, it is safer for the human eye on a long term utilization.

The price of a regular incandescent bulb is a little bit lower than the LEDs, but considering the lower energy cost and the larger life span, the cost on the long term is far more affordable in case of LEDs.

For the moment, the disadvantages of LEDs are the following:

– they need a very stable electric source;

– they can only work at temperatures below 80 Celsius.

The first problem is the main cause that reduces the LED’s viability. Major electric power fluctuation can easily make the LEDs useless.

All in all, everyone can see that the use of LED PL bulbs can lower the costs of energy, can make you spend less money with the bulbs if you have a stable energy source, and can make you feel better with the sort of light they emit.

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