In our previous article we comprehensively expounded on LED and the advantages it comes with. In a nutshell, here are afew of the advantages.
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| Comparison Of LEDs and Other Light Sources |
LED Advantages:
1. Longer lifespan than other commercial or industrial lighting technologies
2. LED’s have a higher energy conversion efficiencies than most other commercial or industrial lighting.
3. LED’s have a more efficient ballast than conventional iron and coil type ballasts.
4. LED’s are instant on and have a hot re-strike unlike conventional high intensity discharge lamps (HID). This instant on feature make the LED suitable for PIR motion and occupancy sensors.
1. Longer lifespan than other commercial or industrial lighting technologies
2. LED’s have a higher energy conversion efficiencies than most other commercial or industrial lighting.
3. LED’s have a more efficient ballast than conventional iron and coil type ballasts.
4. LED’s are instant on and have a hot re-strike unlike conventional high intensity discharge lamps (HID). This instant on feature make the LED suitable for PIR motion and occupancy sensors.
5. LED small form factor makes them ideal for compact appliances such as signage or traffic signals etc.
6. LED’s are generally very rugged making them ideal for use in high vibration applications such as industrial or transport.
7. LED’s are available in many colors and RGB configuration
6. LED’s are generally very rugged making them ideal for use in high vibration applications such as industrial or transport.
7. LED’s are available in many colors and RGB configuration
High cost:
LEDs are right now more extravagant, cost per lumen, on a starting capital expense premise, than most traditional lighting advancements. The extra cost somewhat comes from the generally low lumen yield and the drive hardware and force supplies required.
Temperature reliance:
Driven execution to a great extent relies on upon the encompassing temperature of the working environment. Over-driving the LED in high encompassing temperatures may bring about overheating of the LED bundle, in the long run prompting gadget disappointment. Sufficient warmth sinking is obliged to keep up long life.
Voltage affectability:
LEDs must be supplied with the voltage over the edge and a current underneath the rating. This can include arrangement resistors or current-controlled force supplies.
Light quality:
Most cool-white LEDs have spectra that contrast essentially from a dark body radiator like the sun or a brilliant light. The spike at 460 nm and plunge at 500 nm can bring about the shading of items to be seen distinctively under cool-white LED brightening than daylight or glowing sources, because of metamerism; red surfaces being rendered especially seriously by run of the mill phosphor based cool-white LEDs.
Territory light source:
LEDs don't estimated a "point source" of light, but instead a lambertian conveyance. So LEDs are hard to use in applications obliging a circular light field. LEDs are not equipped for giving difference underneath a couple of degrees. This is stood out from lasers, which can deliver pillars with divergences of 0.2 degrees or less.
Blue pollution:
Because cool-white LEDs (i.e. LEDs with high colour temperature) emit much more blue light than conventional outdoor light sources such as high-pressure sodium lamps, the strong wavelength dependence of Rayleigh scattering means that cool-white LEDs can cause more light pollution than other light sources. It is therefore very important that cool-white LEDs are fully shielded when used outdoors.
Either way, LEDs are way superior compared to the other types of Lighting and its important that everyone acknowledges that they are here to stay and technological improvements underway with various multi-nationals investing alot of Finances and manpower to make LEDs the best of light sources.
