How LED lighting is different

January 11, 2017by Reneta Nedyalkova0
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The light-emitting diode (LED) is one of today’s most significant trends in the lighting market. LED lighting technologies create significant break-troughs in terms of energy-efficiency and durability which makes their market penetration rapidly-developing. LED light also offers comparable or better light quality than other types of lighting, traditionally used in households and industries. From traffic lights and vehicle brake lights to TVs and display cases, LEDs are used in a wide range of applications because of their unique characteristics, which include compact size, ease of maintenance, resistance to breakage, and the ability to focus the light in a single direction instead of having it go every which way.

ENERGY SAVINGS

LED is a new generation of highly energy efficient lighting technology, and has the potential to fundamentally change the future of the global lighting market. LED lighting is often compared with incandescent lighting so that its efficiency is shown-off. Of course it is a significant improvement in terms of efficiency it use at least 80% less energy, but what is even better is that LED last 25 times longer than incandescent. What is more LEDs are with at least 30% more efficient than CFLs and last at least 5 times longer than them. You can find further comparison details in the related posts in the blog.

LEDs ARE DIFFERENT

LED lighting is very different from other lighting sources such as incandescent bulbs and CFLs. Some of the well-recognized key differences include the following:

Light Source: LEDs are small, they have the size of a fleck of pepper, and a mix of red, green, and blue LEDs is typically used to make white light.Direction: LEDs emit light in a specific direction, reducing the need for reflectors and diffusers that can trap light. With other types of lighting, the light must be reflected to the desired direction and more than half of the light may never leave the fixture.Heat: LEDs emit very little heat. In comparison, incandescent bulbs release 90% of their energy as heat and CFLs release about 80% of their energy as heat.Design needs: LED lighting has its own peculiarities. There are a range of rules for construction of LED luminaires, tubes and bulbs. Most of the requirements are because of the limitations of temperature range, in which the LEDs maintain their high energy efficiency for longer time period. This is the main reason for the significantly increased performance of the LED luminaires over the LED bulbs and the tubes.Disposal: LEDs contain no mercury, and a USA Energy Department the study determined that LEDs have a much smaller environmental impact than incandescent bulbs. This makes their disposal much easier and safer.

GREATEST ADVANTAGE

Many manufacturers and retailers rely on the above mentioned advantages as key selling points and benefits of the LED lighting. However, InnoLED team think differently. LED lighting can easily be controlled, which is the greatest advantage from our prospective.

LED luminaires in general are 40-60% more efficient than fixtures with luminescent tubes. There are some exceptions with low quality LEDs, which actually have almost marginal efficiency and life-cycle advantage over traditional luminescent lighting. Let’s us assume that LEDs are almost twice more efficient than standard office, industrial and outdoor lighting. Which means that with twice less the electric we will produce the light users receive from the previous generation of lighting.

Studies show that some more than 60% of the light that is created by luminaires is actually useless. The reasons are simple:

Lighting unoccupied spaces – about 30% of the time some section of the office or production facility is unoccupied. The reasons for that are quite simple, for example: having lunch or coffee, going to the toilet, switching on the lights when the first worker comes and after the last goes out of the work place and etc.Lighting spaces with more light than needed – the daylight can provide great amount of the total illuminance that is needed. Of course one can switch off the lights just right next to the windows, but how about the next row? Shaw we keep them on, so that people get more light than they need, or turn them off, so people get sleepy and inefficient because of lower amount of light. Light sources wearing – users get 20% more light, when they buy the LED luminaires, simply because LEDs would eventually decrease their light efficiency characteristics. That is quite similar to the people who trim their nails so deeply that they feel their fingers uncomfortable for 3-4 days, but they manage to increase the time interval between two trimmings.

All this is waste, which could be eliminated because of the greatest advantage of the LED lighting sources – their ability to be easily controlled. Not only easily, but efficiently! LEDs are light source, which doesn’t get its life shorter with frequent on and off cycles. What is more, LEDs actually turn out to have longer life if they are not operated at their maximum rated capacity. Also the consumption decreases with a greater pace compared with the illumination. This means that you if the illumination of the fixture is decreased with 40%, the expected consumption will decrease with even greater percentage.

In InnoLED we believe lighting would change dramatically, first wave will be with decreasing the consumption with 50% simply by changing the light sources and followed by the next wave of efficiency boost driven by control systems and smart grid integration.

Reneta Nedyalkova


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