The incandescent bulb came to existence in 1880 in the shop of Edison but it was only in 1910 that the tungsten filament bulb as we know today came around.
Since then for almost a century the incandescent bulb has continued to be the most popular lighting method. While it is the most well-liked it isn’t by any way the top lighting solution. The evolution of technology has shown that the incandescent bulb is at the moment completely out-of-date. In a classic case of survivability – the bulb has lost to its more energy efficient challengers – CFL’s and LED’s. While it is still more prevalent than the newer technologies, the light bulb is on the decline .
The incandescent bulb was banned in the island of Cuba in 2005, and will stop to be sold in Australia, Argentina, and Philippines after 2010. Many countries have an transfer program for bulbs and there are others that are preparing to control the replacement from bulbs on the back of carbon credits obtained by saving electrical energy. With the Europe and Canada planning to prohibit light bulbs after 2012 and many states in the USA set to follow thereafter, the days of the light bulb are numbered . New USA regulations mandating a 25 pct addition in performance in light bulbs could well be the straw that breaks the camel’s back as most incandescent bulbs will not be able to meet the new stricter regulations . Halogen filled bulbs should be able to meet the new regulations but their survival shall also be in doubt once stricter legislation mandating lighting bulbs to generate at least 60 lumen’s per watt come to being. General Electric is reported to have seen the future and is said to be preparing to shut factories developing light bubs and moving on to LED lighting .
With the light bulb unable to survive the Darwinian struggle for being and the CFL overrun with problems of mercury pollution , flickering lights, secure recycling and issues with dimmer circuits – LED lights are undoubtedly the hope of lighting.
A ten% efficiency ceiling – The incandescent bulb uses less than 10% of the electrical energy it uses to turn out light and throws away the leftover 90% as heat! A 100W light bulb has a luminous efficiency of less than 3% and its hypothetical upper region of efficiency (that is basically unattainable) is capped at 10 pct. What this concludes is that a 100 watt bulb wastes close to ninety-five watts in heating the room and then the AC system has to cool the room!
Short life – The high temperatures at which the light bulb operates 3170 deg F means that filament burns out fast mandating frequent changes of fixtures . A cluster of solid state Light Emitting Diode based lights with a existence span of 30,000 hours or more for each distinct light, is the clear champion with the danger of critical breakdown reduced to almost 0 .
Burn risk – As everyone with a small child will show the hot light bulb is a unsafe thing to have near a toddler. Not only can a bulb break and cause glass pieces on the ground it can also burn someone.
Known that a 6 watt LED light can simply produce as much light as a 50 watt light bulb means that a reposition away from the incandescent bulb will recover 88% of lighting overheads, several tons of mercury emissions from coal generating power plants, and millions of tons of carbon emissions.
Regardless of whether you prefer to be an early adopter of LED’s or desire to help with the battle against increasing carbon emissions and consequent global warming or you want to child proof your house or save money on your energy bill or wish simply for a safe yet better return, LED bulbs fit the bill.
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