The lightbulb that lasts 36 years

That's correct, the latest LED lightbulbs being launched in the US by electronics giant Samsung are promised to last more than three decades - with the only hitch being that they cost up to £40 apiece.

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The Korean firm's new range of light emitting diode bulbs are claimed to have a lifespan of around 40,000 hours, which is 40 times that of an old-fashioned filament bulb.

And if used for three hours a day that equates to 36 years!

"Samsung is now using its expertise in digital electronics to revolutionize the lighting industry. A light bulb is no longer just a light bulb. It's a digital technology made up of LED chips, drivers and electronics - familiar turf for Samsung," said Kevin Dexter, Samsung's senior VP of home appliances.

"Samsung's LED lamps turn on instantly, are virtually UV and infrared free and produce an extremely uniform and crisp light making you and your home look better while saving you money and helping the environment."

The firm is a world leader in the manufacture of LED screens for TVs and computers - making the displays for many other well-known brands.

LED lighting has already got a firm foothold in the car market and has made super-bright lights available at affordable prices to walkers and cyclists.

The only hitch with household lighting, as we mentioned, could be the price - which ranges from $19 to $70 in the US, where they are being launched initially.

Prices are likely to fall as the technology becomes more widespread, but if it means an end to "how many does it take to change a lightbulb" jokes - perhaps it's a price worth paying?

What do you reckon? Will you be going LED? Comment below...