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LED challenges

One of the main challenges faced by LED lighting manufacturers is dealing with waste heat produced by the bulb.

Although a lot less energy is wasted through heat than in the case of a traditional light bulb, some heat loss still occurs.

So that the intense heat does not degrade the long life promised by the companies, the lamps need some kind of a cooling mechanism.

GE, for example, uses what is called an active "synthetic jet" technology that produces an air flow inside the lamp, pulling the hot air out and creating a cooling air current.

Another obstacle used to be omnidirectional light - making the bulb give off light in all directions.
That is why in the past, LEDs were mostly used for spotlights and flashlights.

But now that this problem has been solved, they have to compete with other products used for general lighting, such as omnidirectional compact fluorescent lights and halogens.

Compact fluorescent lights are almost as energy efficient as LEDs, but cost a lot less.

Production of 100-watt bulbs has stopped in the US and Europe, while production of 60-watt bulbs has been stopped in Europe and is being phased out in the US.