Light-emitting diodes – once they were limited to simple indicators. Today they are so much more. Incandescent lighting is slowly replaced by these amazing creations of technology.
What makes these LEDs so important and why they promise to be so beneficial to you? This article is made to answer this question and let you glance at the face of technology today as it is.
For a long time LED’s only visible colour was red. And this was not the only thing limiting their use. Maybe this is why today there are still some manufacturers who keep their old habits on using the incandescent lighting.
The light made from a
It took some time for the LED designers to move around this obstacle but now there are two major solutions – multi-chip arrays and high-flux LED chips. These more advanced LEDs could achieve a closer effect to the one made from incandescent bulbs. That means that with this advancement LEDs are one step closer to the parameters that make the use of the old bulbs a need.
Some major advancement in the technology of LEDs provides the solution for any colour you may need. The full visible spectrum of
Let’s take a look on what the incandescent light is giving us. We have a breakable glass package which could be a nasty hitch. Then we have a fragile inner body which life could be shortened by a simple vibration. And finally the specialty of every incandescent bulb – 90% of the energy goes to heat.
With all these bad hints in mind let’s proceed to the high efficiency of the LED technology with almost no heat generated during the process of energy transformation.
Some applications require colours. Let’s compare the incandescent
The truth is that what a marginal light source was before is not so marginal today. To see this for yourself examine the cars around you the next time you are in the traffic. Look for the taillights. Some of the cars are using a filtered red
That’s why today we could see on the market even standard LED lamps. And these lamps have it all – they are durable, daylight visible and a real blessing for every overworked observer.
It’s time to look at a few indicators which will tell us more about LEDs. The first one is cost saving. For a facility of 1000 lamps after one year we will have approximately $3000 cost if we use incandescent bulbs. This is if we take in account only the major factor – the short life of these bulbs. But there are many other factors which are also important – the labor cost, power savings, operating downtime, incandescent bulb inventory and ordering costs.
The life time of the device is a very important criterion. LED lamps life is predictable and if they are used within their design parameters they will last around 10 years. One very important thing is that the life of the LED is not shortened when you turn them on and off. This however will not be true for the incandescent bulbs.
LEDs provide cooler operation. Taking in account the 90% losses on heat in the incandescent bulb technology this is not so hard to be accepted. But it’s not just that. In the
Power consumption is another important parameter of every energy device. A standard 6S6/120V incandescent bulb use 50mA and its LED analogue is using 11mA. Almost 5 times lower power consumption means almost 5 times lower cost for energy every day. Do the math and you will see for yourself how much this efficient way of using the energy will help you reduce your costs per year.
One pretty nasty factor that comes with the incandescent bulb technology is called Cold Filament Inrush. This happens when the filament in the bulb is cold and you turn on the lamp. The lamp in this case will draw 10 times more current. If more lamps are powered simultaneously this will make a significant voltage surges which will shortly result in complete lamp failures. In LED lamps there are series resistors limiting the operating current. This will result in no current variations even if the very power grid is providing fluctuations. Some LED lamps have a shunt resistor too to bleed-off residual current.
In conclusion I should say that it is always up to you to choose what is best for you and everything under your control.