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This page contains information that may be useful when deciding on your LED products.



What is LED lighting?


Light-emitting diodes have been around for years.



It is suggested that LEDs can last for up to between 50,000 to 100,000 hours, compared with the 1,000 hours of traditional incandescent light-bulbs and compact fluorescent lamps' (CFLs) 15,000 hours.



(From BBC 16/12/2011)




(EnergyStar info)


LEDs emit light in a specific direction, whereas an incandescent or fluorescent bulb emits light — and heat — in all directions. For direct lighting applications LED lighting uses both light and energy more efficiently. For example, an incandescent or compact fluorescent (CFL) bulb inside of a recessed can will waste about half of the light that it produces, while a recessed down light with LEDs only produces light where it’s needed.



LED lighting products use light emitting diodes to produce light very efficiently. The movement of electrons through a semiconductor material illuminates the tiny light sources we call LEDs. A small amount of heat is released backwards, into a heat sink, in a well-designed product; LEDs are basically cool to the touch.



Compact Fluorescent Light Bulbs (CFLs) and Mercury

(EnergyStar info)


Because CFLs use less electricity than traditional light bulbs, they reduce demand for electricity; that reduction means less greenhouse gas emissions (including less mercury) from power plants. Nevertheless, mercury is an essential element in the operation of fluorescent lighting; it allows the bulbs to be an efficient light source. Because CFLs contain trace amounts of mercury, it is possible that the mercury they contain could be released either into the air or from land-fill when they are released into the wider environment, also could cause a problem if they are disposed of in a normal waste-bin. So, it is important to educate yourself on proper use.



How to Calculate LED Watts to Incandescent Watts 


Incandescent bulbs are everywhere, for the moment --- but they're so inefficient governments and utilities want to get rid of them.

When discussing lighting, it's important to remember that watts are a measure of electrical power, and lumens are a measure of usable light output. So, when you talk about watts of a light bulb, you're asking how much electrical power it uses. Usually, for a light bulb, you're really concerned with how much light it puts out, which is measured in lumens. To compare different light sources, you can put both of those numbers together to create a number called the efficacy. Efficacy is measured in lumens per watt, and it's a measure of how well a lamp converts electricity to light.

Compare the electrical usage, the lumen output, and the efficacy of your selected incandescent bulb to your selected LED bulb. For the example, the comparison of the 60-watt incandescent to the LED is:

     Electrical power usage: 60 Watts to 8.43 watts. Incandescent about 7x LED.

     Light output: 800 lumens to 434.7 lumens. Incandescent about 1.8x LED.

     Efficacy: 13 lumens per watt to 52 lumens per watt. Incandescent about 1/4x LED.

So, for this case, the LED uses only 1/7 as much power, is four times as efficient, and puts out a little more than half the light of the incandescent.



How long can a LED light last?


Most of our LED lights lifespan are up to 50,000 hours.

Based on 50,000 hours of operation to work out:

24 hours per day =  5.7 Years

18 hours per day = 7.4 years

12 hours per day =  11.4 years

8 hours per day =  17 years

6 hours per day = 22.8 years

4 hours per day = 34.2 years




What does "IP Rating" mean ?


IP Rating (Ingress Protection Rating) is to classifies the degrees of protection provided
against the intrusion of both solid object and water in electrical enclosures. This rating
aims to provide users with more detailed information than by vague
marketing terms such as "outdoor or water-proof". IP Rating consists of the letter IP
conditions summarized in there reference table of IP Rating Code.
Example of an IP Rating Code
IP 6 6
A component with this IP code indicates that a component is protected against ingress of
dust completely(first number 6); and is protected against harmful effects due to water
powerfully jetted against the component from any direction (second Number 6).



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