LED lighting Benefits : Advantages of LED vs. Other Light Bulbs
LED (Light Emitting Diodes) are the latest and most exciting technological advancement in the lighting industry. LEDs are small, solid light bulbs which are extremely energy efficient and long lasting. LEDs operate differently than traditional incandescent light bulbs. This makes LEDs far more rugged and durable than traditional incandescent light bulbs.
LEDs are extremely energy efficient and consume up to 90% less power than
incandescent bulbs. Since LEDs use only a fraction of the energy of an incandescent light bulb there is a dramatic decrease in power costs. Also, money and energy is saved in maintenance and replacement costs due to the long LED lifespan.
COMPARISON OF LEDS WITH OTHER BULBS
1. Long life
The components of an LED and the way that they generate light significantly extend the lifespan of these bulbs. Where other bulbs’ lifespans are shortened through both proper and improper usage, the LED bulb’s low heat levels, durability, and energy efficiency make it possible for it to outlast other types of bulbs by thousands of hours. Typically, the important parts of a light bulb, such as the filament, weaken over time, which causes the bulb to burn out. But LEDs don’t burn out the same way that other bulbs do; instead, the amount of light they produce decreases gradually in what is called “lumen depreciation”.
The lifetime of an LED bulb is based on how long it takes for the lumen output of the bulb to decrease to 30%, so it will likely last longer than the average rated lifetime hour.
2. Energy efficiency
Because of their high lumen output per watt, LEDs are capable of turning about 70% of their energy into light. This makes them much more efficient than other bulbs, which waste a lot of energy by turning it into heat. It only takes a 6 watt LED bulb to produce the amount of light that a 40-watt incandescent does, and their lower temperature also makes them safer to operate. In comparison, incandescent bulbs can get so hot that they should be kept out of reach of children who might burn themselves, and they have also been known to cause fires if they accidentally come into contact with flammable materials, such as curtain fabric.
3. High brightness and intensity
LEDs are capable of emitting an extremely high level of brightness. That’s why wattage is no longer a viable measurement of brightness – instead, look at a bulb’s lumen output when you’re making the switch to LEDs or other energy-efficient lighting.
4. Exceptional colour range
Incandescent bulbs require gels or filters to create different colours and shades of light. On the other hand, LEDs offer a wide range of colours and colour temperatures without the use of gels or filters, which can burn out or fade over time. With LEDs, it is the actual diode (or its phosphorus coating) that is changed to alter the colour of the emitted light, so you can trust that it will stay the same shade until the end of its lifespan.
5. Low radiated heat
While an incandescent bulb operates by heating its filament to a temperature that produces light, an LED bulb emits electromagnetic energy as light when electrified. By turning energy into light instead of heat (rather than using heat to generate light), LEDs are able to operate at a significantly lower temperature than other types of light bulbs.
What little heat LEDs do generate is dissipated by a special heat sink, which is
designed to absorb any heat and disperse it safely away from the diodes. While the actual fixture or base can feel warm to the touch, LEDs themselves don’t emit infrared radiation in their beam, meaning there is no warmth to it. This makes them optimal for use in heat-sensitive areas, such as displaying artwork because they won’t cause fading or other heat damage to paints or dyes.
6. Reliability
LEDs are a very durable and reliable form of lighting – they can operate safely in colder temperatures, and can withstand more impact and vibration than other light bulbs because they have no filaments or other fragile parts. This stability makes them ideal for use in areas that will be subject to temperature fluctuations, inclement weather, and jostling, such as outdoors or in ceiling fan fixtures.
7. Instantaneous illumination
Does this sound familiar? You turn on a light to look for something, but you have to wait a few moments before you can see anything, or you’ve already found it before the bulb has even reached its maximum light output. Unlike CFLs, which take a few moments to warm up, LEDs operate at full brightness from the moment you flip the switch.
8. Directional lighting
By design, LEDs emit their light in one direction rather than all around. This helps
reduce energy consumption because no light is wasted or trapped within reflectors and diffuses, which can keep over half the generated light from exiting the bulb. The directional nature of their output makes LEDs ideal for applications such as task lighting and recessed down lights.
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