led bulb Archives – The Green Optimistic

Kickstarter-backed SmartCharge LED Bulb may be worth the investment

Danny Harper — Fri, 20 Dec 2013 15:43:39 +0000

The crowd-funding site, Kickstarter, is revolutionizing the way the common man can invest in new and emerging technology. One such highlight that is currently in its funding phase is the SmartCharge LED Bulb. Promoted as the first of its kind, the SmartCharge is an intelligent LED light bulb that works in a similar manner as […]

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LED Bulbs by Walmart On Sale For Less Than $10 Across The U.S.

Mila Luleva — Mon, 07 Oct 2013 16:24:55 +0000

LED lights reduce energy bills, this is what we all know. We also know that they require an initial investment, which might prevent us from making that step towards saving money in a long run. The guys at Walmart, however, are no longer letting us find excuses, as they are now launching a new line […]

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NLiteN 2D-Lux LED Bulb Puts Conventional Bulbs to Shame

Benji Jerew — Fri, 27 Sep 2013 19:57:28 +0000

A couple of weeks ago, we talked about a new LED bulb that, thanks to unique manufacturing, is one of the cheapest and most-efficient light bulbs that exist. Even better, the dimmable and programmable, smart version, the NLiteN 2D-Lux is available for a few days at just $10. What started out as simple replacement bulb, […]

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NLiteN 2D-Lite Will be Cheapest LED Bulb at $3, Cheaper than CFLs

Benji Jerew — Wed, 11 Sep 2013 16:24:02 +0000

Thanks to its simplistic design, the NLiteN 2D-Lite could be the cheapest LED bulb replacement on the market, even cheaper than CFLs! LED bulbs are exceptionally efficient at lighting our homes. For example, the standard 100W incandescent bulb draws, well, 100W. Using the brightness, around 1,600 lumens, of the 100W incandescent as a standard, we […]

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LED Bulbs Get Cheaper and More Competitive Than Ever

Mila Luleva — Thu, 07 Mar 2013 21:08:03 +0000

Leading lighting companies like Philips Lighting and Cree predict that LED bulbs are soon to overtake the mass-market with their new highly competitive price of $10 a piece. The incredible drop in the cost of the most popular 60-watt bulbs was announced by Ed Crawford, CEO of Philips earlier this week. Just yesterday, Mike Watson, […]

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New Yellow Phosphor LED Bulb is More Efficient and Economical

Benji Jerew — Fri, 19 Oct 2012 22:00:14 +0000

Typical white light-emitting diodes [LED] are extremely bright and expensive to manufacture. Their applications are also limited because of the directional nature of the light they produce. Japanese researchers have developed a new white LED, using a different phosphor compound, that eliminates these issues. The new yellow phosphor, “CL_MS phosphor,” was co-developed by Koito Manufacturing […]

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Firefly LED Lights Reduce Energy Costs

Mila Luleva — Mon, 08 Oct 2012 15:33:33 +0000

Cut down your electricity cost, change light bulbs once every 40 years and virtually nothing to dispose of. It might sound too good to be true, but Firefly LED in Austin, Texas, state otherwise. The ranges of “Smart LED” bulbs, produced by the company, have a large heat-sink surrounding the unit, which reduces the temperature […]

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The Cheapest LED Light Bulb Yet to be Launched in India: See How Little It'll Cost!

Ovidiu Sandru — Wed, 31 Aug 2011 19:37:11 +0000

Not only the Chinese are able to make things cheap. Now, a consortium of two Indian companies have announced their latest product: an LED light bulb that has the intensity of a 60-watt incandescent one. The cheapest LED light bulb ever can now retail for less than $15. Moreover, “the newly announced bulb fits perfectly […]

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New Gallium-Nitride LED Technology Offers High-Power Lighthing

Ovidiu Sandru — Fri, 11 Mar 2011 19:57:33 +0000

All of the LEDs you see in every device that you put your hands on is made with precious sapphire rock - artificially grown one, but still an expensive material to work with. A new technology developed by Bridgelux uses Gallium nitride to grow LEDs on silicon substrates and can be reproduced at commercial scales.

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GE Applies Jet Engine Technology In Cooling New Type Of LED Light Bulbs

Ovidiu Sandru — Fri, 22 Oct 2010 10:41:49 +0000

This is the third day in a row that we are presenting the most efficient lighting systems invented recently. Now, it's time for another invention from GE, who made a 1,500-lumen LED light bulb and cooled it through a technology used in aviation.

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