PITTSBURGH Considers LED Streetlights

It was said from a new study that Pittsburgh needs to replace 40,000 streetlights, and officials have the option of installing LED lights.

According to officials, this would be a big expense now, but could mean big savings later.

The city has already begun to test LED lights by installing 150 in Shadyside and South Side.

Researchers at the University of Pittsburgh concluded that the city could save millions of dollars by switching to LED lights.

The lights may be a bit more expensive, but they last longer and they’re much more energy efficient than the current lights.

Researchers studied several different options but concluded that LED offered the best bang for the buck. “An average streetlight would last about two years before you have to replace it; an LED light would last 15 years,” said Councilman Bill Peduto. “The energy costs associated with it are about 70 percent less than the regular streetlights. Put those together and you will see savings of nearly $2 million annually.”

Peduto said his goal is for Pittsburgh to become a leader in LED lighting. He hopes the city will begin installing more LED lights by the end of this year.

Fantastic Motion Sensing LED Light

There are times when it’d make life a lot easier if lights would just come on.  Be it because you usually have your hands full in that area or any other reason, it’d just be nice.  Now this little motion sensor won’t turn on all the lights in the room, but it will turn on a small light to help you find your way.  Plus it could be used as a security device, so you’ll know if someone is moving around where they shouldn’t.

This simple little light could even be used in other areas besides in your home.  It could also be grabbed for when you go camping if you need some small lights to keep you from tripping over anything.  On the light itself you can adjust the sensitivity of the motion sensor.  You can also just shut off the light entirely.  It runs on 4 AAA batteries which aren’t actually included.

LED Makers Promise to Shake up Global Market

LEDs, once confined to the tiny red indicator lights on TV remote controls, have now grown to illuminate TV screens themselves and promise to shake up the global lighting market.

LED (light emitting diode) backlit TVs were heavily featured at the Consumer Electronics Show in Las Vegas this month, as manufacturers announced products intended to emulate the success seen by Samsung in 2009.

Samsung, which has 80 per cent of the US market for LED TVs, aims to quadruple global sales in 2010 to more than 10m.

But manufacturers such as LG, another Korean player, say Samsung will not have things all its own way as LED-backlit TVs become available at entry-level as well as premium prices. LG will offer cheaper edge-lit LED technology, which requires fewer arrays of diodes, on its entry-level TVs and full LED backlights on premium models.

LEDs have graduated from use in mobile phone screens to backlights for notebooks, PCs and now TVs and monitors.

They offer better brightness and contrast, energy savings and slimmer screens than those using the established cold cathode fluorescent lamps (CCFLs) now used for backlighting.

LED technology was first introduced in 1962, beginning with a low-intensity red light. Semiconductor-based diodes or valves produce light from the excitation of electrons as they are moved over a “light” bridge by a direct electrical current. LEDs differ from traditional incandescent light bulbs, which produce their light from heat generation.

Over the years, white LEDs have been developed by combining chips that produce different colours into a single package, or by adding a yellow phosphor layer. Improvements in light intensity and cost reductions are now resulting in wider adoption of LEDs.

Pete Moran of the DCM venture capital firm says LEDs have advantages such as longer life and greater efficiency compared with both incandescents and the energy-saving compact fluorescents with which consumers are currently replacing them.

As well as the green argument, there are manpower savings from LED’s longevity. Cities such as San Francisco, San Jose, New York and Minneapolis are testing LED street lamps that will not need regular bulb replacement by lighting crews. In retail, Walmart and Starbucks are replacing lighting in their US stores with LED bulbs to cut energy consumption.

But as big semiconductor makers such as Samsung and Micron begin to take an interest in the LED industry, it could eventually take on the same characteristics as the DRAM, or flash memory, industries, according to analyst Daniel Amir.

The LED industry will then become cyclical, with a period of oversupply as early as the second half of 2011, according to Lazard, although demand should still be growing at rates of 20 to 30 per cent a year.

Copyright The Financial Times Limited 2010. You may share using our article tools. Please don’t cut articles from FT.com and redistribute by email or post to the web.

Rockler Recalled LED light kits

Legal news for product liability attorneys. A voluntary recall of LED light kits was announced after discovery of defective wiring.

CPSC alerts product liability lawyers- Rockler Companies Inc. announced voluntary recall of LED light kits.

Washington, D.C.—Rockler Companies, Inc., of Medina, Minnesota and the U.S. Consumer Product Safety Commission (CPSC) have announced a voluntary recalled of LED light kits. Nearly 2,200 LED light kits were recalled on January 12, 2010, as reported by the CPSC.

The CPSC has urged consumers to stop using the recalled LED light kits immediately unless otherwise instructed after the discovery of defective wiring in the light kits. The defective wiring can cause the battery pack to overheat and explode, which poses a risk of burn and fire. At this time no injuries and/or instances have been reported. This recalled product is described as Rockler LED lights with either an interchangeable spotlight head, or a magnifying head. The recalled product models have stock numbers 26429 (spotlight or 27017 (magnifying). The stock numbers are printed on the products packaging. The LED light kits were sold at Rockler Woodworking and Hardware and other specialty stores across the country from March 2009 through October 2009 for the retail price of $60. All consumers who have purchased the product can contact Rockler Companies at (800) 260-9663 to receive a fee repair kit and installation instructions.

Nanosys Do Efforts to Improve LEDs

As we all know that in this struggling economy, businesses as well as the general populace are all struggling to do more with less. In the case of LED and nanotechnology, however, that may not be necessarily a bad thing.

Take for example the work showcased at CES by Nanosys, a company that has developed a method to add nanomaterials to blue LEDs that improves the appearance of LED lighting. Their efforts have created an LED light that combines the energy efficiency of a blue LED; with a nanotechnology layer that alters its blue appearance into a warm white light that is better than standard LED lighting.

The benefits of the added nanotech material not only means improving the quality of the emitted light for backlit LED displays
, but doing so while still maintaining a low power profile. Plus Nanosys claims, the process can be added to a company’s assembly line for electronic products without the need for major retooling.

So expect to see better looking LED lighting in the near future as Nanosys nanotechnology starts to appear in televisions and other lighting products beginning later this year.

Decorating a Green New Year

The New Year holidays are just around the bend! For all you holiday planners with decorating on the brain, make sure to light up your holiday nights this year with the greenest lights available – LEDS.

If you made the switch from traditional energy-sucking holiday lights to efficient LED ones this year, we applaud you. But we also know that they aren’t the cheapest thing in the world. That’s why were absolutely delighted to receive this clever tip from reader SleepySyrup that lets you leverage your LED light investment into something that can provide you with light year-round instead of just around the holidays:

“A string of LED holiday lights, combined with a two-dollar socket adapter from your local home-improvement store, can transform a lamp or overhead light into an eco-friendly light source. A 50-bulb string uses less than 5 watts of electricity, and, this time of year, they can be had for a fraction of the price of a commercial LED bulb.”

LEDs use 10% the electricity of incandescents, and are 90% more efficient than their old-school tungsten counterparts. They’re perfect for strings of holiday lights, because they don’t get hot, they last forever and when one burns out, it doesn’t take the whole chain with it! You’ll get a full 100,000 hours out of most LEDs, they’re made with less nasty chemicals, and come in all kinds of festive shapes! What more could you ask for? Read on for some suggestions on where to buy…