You probably already know the LED, but it certainly does not give much value to it. This component had its first appearances in the 60’s and surprised everyone, because until then there was no electronic component that emitted light itself. At first, the LED had few applications because it emitted little light, factor that limited the component the function of power indicator – function that it performs until today in many electronic devices.

Of course, the LED (To check LED meaning, see has evolved a lot in the almost 50 years of life it already has. He is now present in so many devices you can not imagine. From cell phones, digital cameras and even TVs. That’s right, the latest LED achievement was the televised invasion. Well, knowing what LED is needed in our lives, everyone already knows, but how does it work? What is the future of this tiny component? Today we will show you a little about the trend that the LED should follow going forward, follow.

What Is An LED? How Does It Work?

The LED is an electronic component, more precisely, a semiconductor diode. The operation of the LED is relatively simple, and when receiving energy it emits light. Unlike most electronic components, which release energy through heat, the LED is able to release surplus energy in the form of light. In the past, LEDs only emitted colored lights because they had a colored housing which, when illuminated by the beam produced by the LED, provided a specific color.

With the evolution of the process of LED construction, these components started to emit lights in different colors, even having a transparent housing. In addition, LEDs have been able to reproduce various colors, so the same component could create hundreds or even thousands of different colors.Of course for that, the technology in the component has evolved a lot, but the mode of operation has continued almost the same. Through a high precision control in the electric current, the LED is able to emit different color shades, which has become a very important factor for the new technologies that have adhered to this small item of electronics.


It was thanks to the evolution of the LED that the televisions could reach a new level of quality. LED televisions are nothing more than the same LCD screens, but with LED lighting. Instead of a single light source, LED TVs rely on more accurate, multi-color and better quality lighting. The LED also provided an incredible contrast ratio on televisions, as well as unbeatable brightness quality. If you want to know more about LED TVs, maybe our article on the subject might clear up some questions and provide more details on these fantastic screens.

Led Lighting

Despite the many devices in which the LEDs are gaining presence, it is believed that the true triumph of this technology is in another sector: the lighting. For a long time scientists have been researching and working on various projects to innovate and create a lamp that works through LEDs. To date, there are already some lamps that work through LEDs and, in fact, work very well. However the big problem is not in the adaptation, or in the delay of the technology is enough to provide good illumination, but the problem is the high price that is charged by these lamps.

The current LED lights provide excellent illumination and the best, work in various colors. Some companies, such as Philips, have been manufacturing such products on a large scale, though there is still no defined audience for such lamps. Although they use the same nozzles as incandescent and fluorescent bulbs, they are still not costing the same price to be worth something. Check out the video below, which shows some of the power of the lighting by LED lights.

One factor that has made manufacturers invest heavily in research for LED lighting is the high quality they provide. In addition to being much more economical and more efficient to illuminate, LED bulbs tend to have a much longer shelf life. However, until the manufacturing process becomes cheaper, these lamps should not reach the general public.

Leds Will Have Their Manufacturing Mode Changed

What makes lighting through very expensive LEDs are the materials used in the manufacturing process. The LEDs that emit the green and blue colors are the ones that are more expensive, because they need a sapphire crystal to reproduce the colors in their best quality. However, with the new find by researchers at Purdue University, there is a way to replace sapphire crystal with good old silicon.

The new technique with silicon must solve the problem of sapphire crystal, but there would have a problem with another component: zirconium nitride. This component serves to reflect the light produced, however it is very unstable along with silicon. Of course, scientists have already solved the problem, thanks to aluminum nitride, which can make the ratio of silicon to zirconium stable and functional, LED could cost a lot cheaper and be produced on a large scale.

Applications Of The “New” LED

Of course, the technique of using silicon as the main component of the new LEDs will have several applications. In addition to the reduction in cost, this new technique will enable the development of even cooler, and possibly more economical, lamps. In this way, LED manufacturers will be able to invest more in the area of ​​LEDs and produce smarter, efficient and cheaper products. OLED screens, televisions and many other gadgets should have their costs reduced, an advantage that the consumer will feel in his pocket.

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