A light emitting diode (LED) is a diode that emits light when current passes through it.
LED’s are solid-state semiconductor devices that can convert electrical energy directly into light. The heart of the LED is a semiconductor chip of which one side is attached on the top of an anvil that is the negative power lead and the other side is connected with a whisker to a positive power lead. It is entirely encapsulated in an epoxy resin enclosure.
LED’s are based on solid state lighting (No glass or fragile elements)
LED’s last over 100,000 hours i.e. if LED’s are lit for 12 hours each day, they will last for 100,000 /12 /365 = 22.83 years (LED’s don’t blow out, they dim slowly)
LED’s can withstand vibration, heat and extreme cold without affecting it’s performance
Why LED Lights?
Low power consumption.
Low light loss with high system efficiency.
Reliability and long lifetime to minimise maintenance and increase road safety.
Does not emit Carbon Dioxide as compared to other conventional lamps.
LED contains NO polluting material (mercury) and easy lamp recycling.
Long and predictable service intervals to reduce maintenance cost.
The light from LED lamps does not distort colours and so increases road safety.
Small sizes make the fixtures flexible, flat and compact, which also increases application reduces cost.
With appropriate optical lens, light output can be made with highly directional.
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