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What is a Light Emitting Diode?
The following is an Article about (Light Emitting Diode (LED)). 
"What is a light emitting diode" is a question that may occur to you as you go electronics shopping. Nearly every electronic device these days features a light emitting diode, something that you probably know better as an LED. While you know that the LED display panels and LED televisions are nice and that if given a choice you always want LED, you probably don’t know what LED really means.

A light emitting diode or LED is simply a semiconductor light source. When power is introduced to the diode, electrons fill holes in the device to releases photon energy. LED’s are generally less than 1 mm in size and are arranged in patterns and masses to created lighted displays such as those you see on cell phones, digital clocks and even microwave displays.

As with a normal diode, the LED is made of a chip of semiconducting material. Current flows from the P- side (anode) to the N-side (cathode) and because this is a diode, the current can only flow one way. To create a different light spectrum, different voltages of current are used. The shorter the wavelength, the more variety of colors available.

Because LEDs use less energy, have a longer life span, are smaller, and are more reliable and instant they are becoming quite popular for household lighting and many other uses around the home. You will find LEDs in automotive indicators, traffic signals and airplanes.

The compact size of LEDs makes it possible for tiny text and video display screens. The light produced by a light emitting diode is called electroluminescence and has been in development and use since 1907. The LEDs such as the ones in microwave displays or clock radios are operated at low currents and low temperatures, leading them to last for many years. Wear and tear, higher current, and heat can shorten the lifespan of an LED.

The cost of LEDs was initially fairly high, but these days the usage of light emitting diodes is so wide spread that they are many times less expensive than other lighting methods. If by chance the LED is more expensive initially, the life and durability will more than cover the cost difference. One of the nicest benefits of LED lighting for homes is the instant on and off. Unlike fluorescent lights which have to warm up and often flicker as soon as the switch is turned on LED lights are on. The electron and photon converting process is nearly instantaneous.

It is important to understand which devices in your home have LEDs so that when a light display goes on the blink, or shuts off entirely, you have an idea of what could be wrong. We’ve all seen the cell phone or digital clock that is missing a vital line of light. Sadly, many of us have probably discarded a device like this, when in reality the LED may simply need to be replaced or tightened.

Now that you know what light emitting diodes are, you will be better equipped to ask questions and shop smart when you are choosing electronic devices or even household lighting sources. 

Benefits of LED Lighting
The following is an Article about (Benefits of LED Lighting). 
When you know and understand the benefits to LED lighting, you will be able to see why more and more people as well as businesses are choosing this lighting option over the former options available. It just makes sense to do your research and see all the pros and cons of your decision before making the final word.

LED lighting is becoming more popular today because it does have so many benefits. When you see what these are and how they can work for you, it's likely you will make the choice to pick LED instead. LED stands for light emitting diode and this refers to the way the light source works. LED bulbs operate on cool light, unlike incandescent bulbs which can get very hot. LED lighting is often used in solar powered lights which make them more efficient and more beneficial. They work great for this because they are made to be long lasting.

LED Lighting is More Efficient

One of the main benefits to LED lighting is that it is more efficient. You can get more life out of each bulb and it is also energy efficient so it helps the environment, too. When it comes to LED lights, you've probably seen these before even if you did not realize what you were seeing.

Not Restricted by Size

Another great benefit to LED lighting is that there are fewer to no restrictions on size. Unlike other types of lighting, LEDs are not restricted by size. They can be as small as 2mm in size or less which makes it possible to use them in places you could not use an ordinary bulb or lighting source. This opens up many doors of opportunity to how you will use your LEDs.

Variety of Color

Another benefit to LED lighting is that it is easier to get a wide array of color that cannot always be done with regular bulbs. They don't require filters to produce the different colors, due to how the diodes are constructed. This makes it much easier to get them in nearly any color you can think of, even neon shades. This is why you see LEDs in such a wide variety of color options used in so many different places.

Longer Lifetime

Yet another one of the best benefits of LED lighting is that they are built to last. They have a much longer lifetime than your average bulb and you can use this to your advantage in many ways. Not only does it help you save from purchasing and replacing lights but it also means you can put them in places that are more difficult to reach or would be more trouble to replace often. Now that you can see some of the most common benefits of LED lighting, it's a bit easier to see why more and more people are choosing LEDs for their lighting options. It just makes sense when you can get more for your money and get a longer lasting, more efficient light source instead.