LEDs offer a brighter future

A field trial of LED light fittings in social housing says the new technology can deliver huge energy savings, reduce costs and makes residents feel safer. The study, carried out by the Energy Saving Trust (EST), measured the performance of more than 4,250 LED light fittings installed at 35 sites. The EST said it carried out the trial because an increasing number of LED lights were now commercially available.


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Samsung, LG to Release 60W LED Light Bulbs of US$10-12

   Samsung and LG are announced to release own-brand 60W led light bulbs at retail prices of US$10-12 sometime in the second half of 2012, which will threaten Taiwan leading position in global Led market. With strong support of South Korean government, Samsung and LG have shown aggressive attempt to become world leader in the Led lighting industry. Samsung has equipped itself with integrated LED manufacturing capability involving epi-wafer and package manufacturing. In particular, Samsung and LG's plans are more aggressive than that of LSG of the United States, which has planned to introduce US$15 60W bulbs in 2012. YF Yieh, chairman of Everlight, considered that South Korea is on the verge of dethroning Taiwan as the world's biggest LED supplier in terms of volume. And BJ Lee, chairman of led chip maker Epistar, also pointed out that Taiwan's LED industry would fall into the low-margin contract manufacturing category if it fails to build up branding operation in two years. As for Taiwan government, some measures should be taken to help the island's LED industry before it becomes another struggling industry in the wake of the island's DRAM and LCD industry.

Korean LED lamps to be installed in Vancouver

Korean-made light-emitting diode lamps will illuminate http://www.bgocled.com/ next year, as the Canadian city seeks street lights that are brighter and more durable, as well as energy-efficient, officials said Monday. Yuyang DNU, a Korean LED producer, will supply 20 units of 50-watt and 80-watt lights without charge to Vancouver and nearby Langley in southwestern Canada for a test operation, according to the Korea Trade-Investment Promotion Agency. The deal is to be signed Wednesday
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Bgocled announces new LED-module family

Bgocled has launched the new LMH2 SSL module family that separates the LED components from the driver electronics to support usage in a broad array of applications.

The http://www.bgocled.com/ from China includes products with 850-or 1250-lm output over a wide choice in color temperature and with a color rendering index (CRI) greater than 90. Unlike prior Cree solid-state-lighting (SSL) modules, the LMH2 relies on a separate LED module and driver (pictured) that the company says will allow luminaire makers more flexibility in deploying the light engines across many different applications. Indeed Cree says that the LMH2 will find usage in wall sconces, pendants, ceiling fans and other applications that can't afford space for the driver. The driver portion of the product can be installed remotely from the LED module. That not only enables applications such as small pendants but also gives the luminaire maker flexibility in the shape of the fixture and other optical elements such as reflectors. Cree will offer products in 2700K, 3000K, 3500K, and 4000K color temperatures. Moreover, the light engines deliver system efficacy of 80 lm/W while also hitting the high CRI number. http://www.bgocled.com/ The combination of high efficacy and CRI is attributable to Cree's TrueWhite technology. Cree has utilized TrueWhite extensively in its own luminaires sold by Cree Lighting as well as in prior modules. TrueWhite products mix yellow and red LEDs to achieve the high CRI. Mike Watson, senior director of marketing of Cree LED components said, "The new Cree LMH2 modules make the benefits of Cree TrueWhite Technology affordable and widely available." The 850-lm products consume 10.5W while the 1250-lm products consume 15.5W. Cree specifies that the modules will be within a 3-step MacAdams ellipse around the chosen color temperature. The driver is available with or without support for triac dimming and the dimmable models can go as low as 5% of full output. In http://www.bgocled.com/ the new Cree module would be called a non-socketable light engine with separate control gear. That means the modules are not designed for snap-in tool-less installation or replacement. The modules do not use remote-phosphor technology, and thus appear to be white whether powered on or off. Cree says that the white appearance is critical for its broad target of residential and commercial applications. The drivers will work from 120V and 277V AC lines and are UL approved for both voltages. Moreover, Cree can supply much of the data such as LM-80 reports needed for luminaire makers to achieve Energy Star ratings. Cree is providing support products and information that will help luminaire makers get to market with LMH2-based products quickly. For example Cree offers an optional heat sink and supplies a comprehensive design guide. The modules are rated for 50,000-hour lifetime and Cree is offering a product warranty for five and a half years.

Are LED Fluorescent Tubes Ready for Prime Time?

A Bright Future for LED Tubes
A lead LED supplier http://www.bgocled.com
The cost of manufacturing LEDs is dropping. Researchers at Purdue University have developed a way to create LEDs using inexpensive, metal-coated silicon wafers instead of expensive sapphire-based bulbs. This has the potential to bring the cost down to levels competitive with fluorescent tubes. You can stay up to date on news of this development over at the Eartheasy blog.
In the meantime, there's no reason electrical contractors shouldn't promote LED tubes. LED tubes can help building owners become eligible for government and utility company incentives. They help companies reach the desirable – and highly marketable – green cachet. They provide greater energy cost savings than fluorescents. And finally, they are simply better for the Earth. They are the future of commercial lighting.
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