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2006-07-05
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Editorial: Where are the LEDs?
 
... Our news editor, Scott McMahan, evaluates what's actually available to the general public in LED-based residential lighting these days, and reports his findings in this guest editorial. JMcD In my recent attempt to see how widespread LEDs for general lighting have actually penetrated the marketplace at this stage of...
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For the latest news dedicated to LEDs in general lighting, tune to Solid State Lighting Design. Applications updates, the latest luminaires and wins, subsystems and componentry in support of lighting in and around the built environment, it's all there!


The 2010-2011 Summit Series is ready to succeed... are you?

After the successful 2008 launch and 2009/2010 expansion of Solid State Lighting Design's SSL Summit in New Jersey, the feedback remains consistent: Just what we needed, do it again soon. The Summit brings together lighting decision makers with industry thought leaders, pioneers, and innovators from the across the solid state lighting eco-system. Read the 2009 conference report...

Following our changes in 2009, 2010-2011 will continue to be all about quality, quality, quality. Showcase participants and sponsors are vetted to separate the wheat from the chaff (have your IES LM-79 test reports ready!). The 2010-2011 Summit includes NY/NJ in September and LA/Long Beach next January. Look into the series information at www.SSLsummit.com for the details. Sponsorships are available for the full series.


Permlight Posts Record Sales for LED-based Residential Lighting
LIGHTimes Staff

July 5, 2006...Permlight Products, an LED company located in Tustin, California USA, announced that it has achieved record sales of its residential lighting products. The company sites California’s Title 24 energy regulations, high energy prices, and new environmental laws such as California’s Title 22 which bans certain toxic substances in products as the reasons for the rise in sales. The company’s revenues from residential lighting skyrocketed from 2 percent in the first quarter to over 15 percent in the second quarter of 2006. Permlight says its LED can sales have gone up more than 1000 percent for its 4-inch and 6-inch recessed LED cans. The company also sites its voltage dimming device and its title 24 compliant white LEDs for the revenue improvement. LIGHTimes SecondPage members login for more. Guests can view membership details.

IEA Publishes Report Outlining Benefits of Efficient Lighting Worldwide
LIGHTimes Staff

June 30, 2006...The International Energy Agency (IEA) on June 29, published an important study detailing the worldwide benefits of energy efficient lighting technology. The publication introduced in Paris entitled, “Light’s Labour’s Lost: Policies for Energy–efficient Lighting” is the IEA’s response to the G8 Gleneagles Plan of Action (July 2005). “This important work shows that the potential for energy savings in lighting is simply enormous and can be achieved with technologies that not only are readily available in the market but economically-competitive during the life cycle of the product. Moreover, more efficient lighting also results in lower CO2 emissions," said Claude Mandil, Executive Director of the IEA.

“Without rapid action the amount of energy used for lighting will be 80% higher in 2030 than today; however, if we simply make better use of today’s efficient lighting technologies and techniques, global lighting energy demand need be no greater at that time." He added, “In the current lighting environment there are enormous sources of waste. Light is routinely supplied to spaces where no one is present. Over-lighting occurs frequently and there are vast differences in the efficiency of competing lighting sources and in the way systems are designed to deliver light to where it is needed. While the problem is global, we have the means to address this waste now.” LIGHTimes SecondPage members login for more. Guests can view membership details.


Lighting decision makers deserve quality answers, not hype...
  Join key NY-area lighting and sustainability decision makers at the SSL industry's quality-focused "insiders meet",
September 14-15 in New York City...

They are looking for the keys to quality in LED lighting, and you can not afford to miss it. Just one look at the special guests and NY Summit agenda, and you will know why you need to be there in September!

Building on the continuing success of this first-of-its-kind event, the 2010/2011 Summit series will again deliver the highest quality agenda and attendees in an unsurpassed networking environment. We have expanded the Summit to "take it to the facilities decision makers" in NY, and quality oriented suppliers need to be seen.
See what you need to be part of at www.SSLsummit.com

Companies Scramble to Beat ROHS July 1st Deadline
CompoundSemi News Staff

June 28, 2006...Optical component maker, Bookham and LED color control pioneer, Color Kinetics, have both announced that they are now fully ROHS compliant. The ROHS directive (similar to California’s Title 22) bans the use of certain hazardous substances, including lead, mercury, cadmium, hexavalent chromium, polybrominated biphenyls (PBB) and polybrominated diphenyl ethers (PBDE), in electrical and electronic equipment sold into Europe from July 1, 2006. An independent audit by the British Standards Institute (BSi) confirmed that Bookham has reached ROHS compliance ahead of the legal deadline of July 1, 2006. Bookham News Release, Color Kinetics News Release. These two companies will not likely be the only last minute ROHS compliance confirmations from companies in the compound semiconductor and solid state lighting fields.

US Residential Lighting Maker Settles Patent Dispute With Nichia
LIGHTimes Staff

June 29, 2006...Nichia of Japan announced on its web site that it has resolved a patent dispute with its former customer Intermatic Inc., a large US-based lighting manufacturer (not to be confused with LED phosphor specialist Intematix). Nichia said that Intermatic, which markets and manufactures conventional residential lighting in addition to LED products in the United States, Canada, Mexico, China, and the Netherlands, has agreed to enter into a business arrangement. Details regarding that arrangement have not been disclosed by either party. Nichia originally filed the patent lawsuit against residential lighting manufacturer, Intermatic, on January 24, 2006. The lawsuit alleged that certain of Intermatic’s LED products (such as LZ21813KA) infringed on Nichia’s key white LED patent, US patent 5,998,925. LIGHTimes SecondPage members login for more. Guests can view membership details.

Interested in general lighting, architectural applications or LED luminaire product news?

While you're in exactly the right place for the broader LED industry applications and supply chain news, general lighting products and applications have moved over Solid State Lighting Design. See what you've been missing today at www.SolidStateLightingDesign.com.

Philips Lumileds Boasts Performance Records
LIGHTimes Staff

June 29, 2006... Philips Lumileds announced the acheivement of several LED performance records at 1 Amp. The performance records the company claimed include: luminence of 38 mega nits (Mcd/m2) for white devices. The company says this is about 60 percent more luminance than automotive halogen bulbs (about 25 mega nits) achieve. In blue indium gallium nitride (InGaN) devices, Lumileds boasted a radiance of 200 mW/m2. Then in green InGaN the company claimed a luminence of 37 mega nits (Mcd/m2).The company anticipates that their LEDs will go into the brightest LED-based RPTV that has ever been publicly demonstrated. Lumileds says their advances will allow increased display size, superior contrast, and color uniformity. Lumileds hopes to also put the technology to use in automotive headlamps which currently use halogen bulbs. The company points to additional possible applications such as aircraft, roadway, and general lighting. Company News Release

Osram Introduces Light Sensor With “Human Eye” Sensitivity
LIGHTimes Staff

June 27, 2006...Osram Opto Semiconductors has introduced an ambient light sensor for mobile phone applications. Osram says it imitates the sensitivity curve of the “human eye” and therefore allows a more precise adjustment of brightness range for mobile handset lighting. Other applications include control of lighting in autos, cockpit, and in headlights. The ALS SFH5711 is reportedly an enchanced LEDChip version of its SFH3410 used in light dimming applications. The company says it offers surface mount technology (SMT) for savings on consumer applications. LIGHTimes SecondPage members login for more. Guests can view membership details.

National Semiconductor Introduces Two LED Drivers

June 27, 2006...National Semiconductor has introduced two new LED drivers that the company refers to as lighting management units (LMUs) which include a high-volatage boost converter and programmable constant current driver for up to 20 series-connected LEDs in display backlights, keypad, RGB, and camera flash LEDs. According to the company, the LP3958 and LP5526 LMUs feature micro SMD packages perfectly suited for cell phones and handheld devices. The company says the devices drive from two to five strings of four series-connected LEDs, depending on the lighting application. The drivers are optimized for use in single- or dual-display phones and large display PDA phones. Each driver includes three general-purpose input/outputs (GPIOs) to trigger lighting functions such as Flash or to control additional device-enable signals. The LP3958 features 70 mA of output current for powering display backlight LEDs, and the LP5526 features 150 mA of output current for powering display backlight and Flash LEDs. Both devices include an I2C interface. LIGHTimes SecondPage members login for more. Guests can view membership details.

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Commentary & Perspective...

Where are the LEDs?

July 5, 2006...Our news editor, Scott McMahan, evaluates what's actually available to the general public in LED-based residential lighting these days, and reports his findings in this guest editorial. JMcD

In my recent attempt to see how widespread LEDs for general lighting have actually penetrated the marketplace at this stage of their rollout, I visited all the local stores in my area in Austin, Texas where I thought I might find LED-based products. I chose: Super Wal-Mart, HEB a grocery store chain which has expanded to include department store items, and Loews building supply and Home Depot, two large chains devoted to products for individuals wanting to do home projects themselves. The results were quite disappointing.

The only LEDs-based products I found were not for general lighting. They were merely decorative lights designed to look like candles, which I found at Home Depot. That particular store had several different LED fixtures for general lighting on their website. However, one of their many usually knowledgeable workers, said, “I’m sorry I simply don’t know enough to help you with that.” I continued the hunt by myself down the long isles devoted to lighting. They sold incandescent, halogen, and fluorescent lights of most every variety, but there was only one LED light set, which was designed to look like candles. They did have "rope lights" that appeared to be LED-based, but upon closer inspection, they were not.

Online, Home Depot (search for LED) offers some LED-based lighting fixtures for outdoor lighting. There was also a 120V LED light fixture in the form of a bulb with 35 LEDs. These were all made by a company called Hampton Bay which makes fans and mostly conventional lighting. To be fair, Jo Ann reported that her local Walmart carried LED “fairy lights” last Christmas (Ref: editorial) and she recently found a set of four solar powered garden white LED "coach lights" by Brinkmann at her rural Walmart in Central Texas for about $18, but that was it. The Brinkmann product has a notice that the product was made in China and carried the notice that it was "protected by US-Pat. No US D492,437." However, I was not able to find either LED fairy lights or coach lights at my local Super Walmart. My local Super Walmart does offer some LED-based products including personal reading lights and nightlights, and Jo Ann has also found a variety of single white LED-based reading lights for individuals reading books in bed at her local Hastings bookstore, yet another fairly large chain. In our opinion, these token entries aren't yet general lighting products, but they're a start.

While a number of companies have released LED fixtures for general lighting, they obviously aren’t widely available to general consumers yet. What's more, I found that people still have considerably less understanding of LED lighting than the companies that sell to the public. What those companies are selling can indeed be can be found online, however. Dozens of different fixtures, desk lights and lamps for indoors and outdoors are available on eBay for example. One problem is that there are often two levels of prices for the same type of items. Desk lamps from Hong Kong start at $15.00. Similar looking desk lamps with roughtly the same features from Philips start at about $49.00. They each include 8 bright white LEDs. Like the other products found in stores or online, the sellers in Hong Kong don’t indicate what company manufacturers or packages the actual lamps, which begs the question of whether or not the products are patent compliant.

Title 24 Energy efficiency standards in California, IRS tax deductions for energy efficient commercial buildings in the USA, and the International Energy Agency report on the worldwide benefits off efficient lighting (Ref: Coverage) all point towards efficient use of electricity in lighting such as using LEDs. But... LED makers have only come out with a relatively small number of products for general residential lighting. Most of what is available is obviously targeted at the high-end construction market such as hotels, nightclubs, pricey luxury homes and high end commercial store displays. According to some industry insiders, the prices are simply beyond what most consumers can afford in initial cost.

The market appears to have already stocked plenty of LED flashlights, battery powered desk lamps, and car decoration and taillights, traffic signals, and sign lighting. LED-based street lights are now plentiful, and some companies have come out with LED landscaping lights. However, the general lighting market for inside homes still has a long way to go. At this stage, solid state lighting (SSL) appears to be generally confined to niche markets. Plug-in, AC LED products are still relatively rare and expensive. Many in the SSL industry want change all that.

Permlight is one such company. Working in conjuction with Progress Lighting, Permlight recently released an array of residential lighting solutions using their Embryten line of LED modules. The jointly introduced products include many designs of pendant lights, recessed trims, surface mounts, step lights, under cabinet lights, cove lighting, in wall lights, and exterior sconces. The web site supplies a list of Permlight certified design consultants to help design the right residential lighting.

TIR is another company that we regularly cover that makes end products for general lighting applications http://www.tirsys.com/products/architectural-led.htm. Their partners are beginning to put their lexel technology advances into products including residential lighting. (Ref: Coverage)

OptiLed also offers a range of AC LED-based fixtures for indoors. Some are retrofitted bulbs with arrays of LEDs and others retrofitted for halogen fixtures. They sell a variety of accent lighting solutions too. These are in addition to many outdoor varieties. Optolum is reportedly selling well to high end retail stores and doing custom designs, but OptoLum's CEO, Joel Dry is keeping his cards close to his chest. He did report, however, that the market for undercounter lighting for home kitchens and for bathrooms is gaining momentum, but they're still too pricy for the general public's pocketbook.

So LEDs appear to still be confined to retail and commercial spaces. Hopefully this will change soon as prices start coming down and the products begin to be stocked by popular general hardware and lighting stores. One key to accellerating the market might be to concentrate on convincing hardware product manufacturers to include LEDs as part of their next gen hardware rather than battle with stand-alone lines. We'll keep looking. --Scott McMahan

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