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2005-04-19
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Editorial: Skeptical Excitement Exhibited at Lightfair 2005
 
... The 16th annual Lightfair International was held last week in New York City in the USA. Heavily attended by over 20,000 people, this is the largest USA show for lighting designers, no matter what medium of light they're into. According to our reporters, LEDs were all the buzz. Really....
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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!


2012 SSL Summit Series keeps its focus to Smarter, Better Lighting

Launched in 2008, the SSL Summit has tweaked its mission to facilitate a future of better lighting. October's New York City meet really hit the target, and we're picking up the pace for LA/Long Beach April 3-4, 2012. The Summit brings together key lighting influencers with industry thought leaders, pioneers, and innovators from the across the solid state lighting eco-system to engage their visions of the future of lighting.

Quality is the gate, the future is the focus... Showcase participants and sponsors are vetted to separate the wheat from the chaff... Look into the series information at www.SSLsummit.com for the details. Sponsorships and showcase positions are available now, and event registration will open in early January.


Intematix Wins Second License Agreement for White LED Technology and Continues to Help Licensees Meet Design Specifications
LIGHTimes Staff

April 19, 2005...Intematix Corporation of Moraga, California USA, announced another key win for its white LED phosphor technologies with the completion of a multi-faceted license-based agreement related to white LED technology with LumiMicro of Suwon Gyunggi-do, Korea. (Ref. previous article) LIGHTimes SecondPage members login for more. Guests can view membership details.

Nitto Denko Develops Polymer That Will Likely Improve Optics in LEDs

April 18, 2005...Nitto Denko of Osaka, Japan has developed what it claims is the thermosetting polymer with the world's highest refractive index of 1.76, according to a NikeiNet news item. The technology could be utilized in opto-electronic equipment, including liquid-crystal display modules, light-emitting diodes, and digital cameras. The polymer reportedly enhances the luminous efficiency and reduces power consumption of LEDs and LCD modules over current technology. Optical lenses made of the resin can have shorter focal lengths thereby making it possible to downsize cameras and other optical devices.

AP Picks Up On Future Of LED Adoption
Scott McMahan

April 18, 2005...It is good to see coverage of LEDs by major USA news sources, but as usual, a recent Associated Press story failed to clarify the main benefit of LED technology over conventional lighting; decreasing the total cost of ownership. An article by Peter, Svensson, a technology writer for the Associated Press, discussed the coming adoption of LEDs to replace bulbs and incandescent lighting. He covers a brief history and discusses the major breakthrough in 1993 of white light producing LED arrays that mix light from red, blue, and green LEDs. It further discusses the challenges associated with the current technology, some niche applications, and the future of the technology.

One interesting quote stands out in the piece…"It's hard to convince consumers based on energy savings alone," said Nadarajah Narendran, director of lighting research at Rensselaer. "If you look at compact fluorescent lamps, they're four times as efficient as incandescent lights, and how many homes have those? It's less than 5 percent penetration." The article also quotes Norbert Hiller, vice president at Cree Inc. of Durham, North Carolina, "We are still in a very young research environment…Our researchers keep surprising us." While this is a good overall article for introducing LED technology, it fails to mention some important technical information including total cost of ownership, and the problems of comparing lumens per watt for LEDs against those of florescent lights.

SET Inc. Introduces Product Coupling DUV LED with UV Transparent Fibers for Hard-To-Reach Applications

April 15, 2005...Sensor Electronic Technologies Inc. (which would like to be know as SET Inc.) headquartered in Columbia, South Carolina, USA, has shipped their new product which couples deep-UV LEDs with UV-transparent optical fibers to reach areas which are relatively inaccessible to direct light sources. According to the company, use of these light sources range from variety of analytical and biomedical instrumentation to medical applications such as right-on-the-spot analysis, disinfection and curing of tissue and/or organs inside the human body. The company is calling this packaging solution to pair UV-transparent fibers to DUV LEDs, UVTOP. The company has already shipped UVTOP products to more than 70 customers worldwide.

According to the company, the peak emissions of UVTOP are as low as 255nm. The first order for the device with a peak emission of 258nm came from the Special Technologies Laboratory operated by Bechel Nevada for the USA Department of Energy. Support for the development of DUV LED technology at SET Inc. came from the Defense Advanced Research Projects Agency (program manager Dr. J. Carrano).

“We are pleased to announce expansion of our product portfolio to include DUV LED and optical fiber combination”, says Dr. Remis Gaska, President and CEO of SETI. “This enables us to provide new lighting solutions to our customers who need deep UV light sources for their applications.” Dr. Mark Morey from Special Technologies Laboratory said, "We are very excited that SETI has been able to push these materials and devices to produce usable light at such short wavelengths.” In addition to the deep-UV LED product, SET Inc. makes high-power transistors and RF components, sells epitaxial wafers, and grows crystals of gallium nitride (GaN), aluminum phosphide (AlP), and indium phosphide and their alloys. Company News Release

Lumileds Claims Major Increase in Color Consistency for Luxeon Products
LIGHTimes Staff

April 14, 2005...Lumileds claims to have solved the problem of white LED color matching with advanced binning algorithms during manufacturing with their off-the-shelf Luxeon solution. LIGHTimes SecondPage members login for more. Guests can view membership details.

TIR Introduces Lexel to Replace Conventional 75W Light Sources

April 13, 2005...At the Lightfair International in New York, TIR of Burnaby, British Columbia Canada unveiled their new Lexel lamp which reportedly can produce light output approximately equivalent to a 75W bulb. LIGHTimes SecondPage members login for more. Guests can view membership details.

Lamina Ceramics Wins Awards at Lightfair International 2005 for BL-4000 Light Engine

April 13, 2005...Lamina Ceramics of Westhampton, New Jersey USA, has introduced a new RGB light engine, the BL-4000, that can produce 16,000,000 colors and white light of variable color temperatures. The device has taken the Best New LED Product and the Top Innovation award at the Lightfair International in New York. The white light from the device can mimic the dawn to dusk warm to cool quality of sunlight. LIGHTimes SecondPage members login for more. Guests can view membership details.

Latest Edition of LIGHTinsight Posted for SecondPage Members

April 8, 2005...From the latest edition of LIGHTinsight...

Like it or not (and an amazing number of influential Americans evidently do not like it) countries such as China, India and Korea are taking their rightful place as peers when it comes to innovation and manufacturing of advanced semiconductor technologies. And the peer influence is spreading, bringing with it waves of scientists, technologists and technicians from Latin and South American countries, Canada, Africa, Malaysia, Australia, and a myriad of other countries throughout the world. With the gentle shift, the lifestyles of those professionals are gradually becoming equal to their American and European counterparts. Nowhere does this newfound equality of opportunity reveal itself so well as the solid state lighting industry....

LIGHTimes SecondPage members can access the latest edition by logging in here. (If you are currently viewing the member's version of LIGHTimes, when you visit LIGHTinsight you may need to let it log you out, and then you can log back in again... Access to future editions will be easier...) If you aren't a member, you can become one now...

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Commentary & Perspective...

Skeptical Excitement Exhibited at Lightfair 2005

April 18, 2005...The 16th annual Lightfair International was held last week in New York City in the USA. Heavily attended by over 20,000 people, this is the largest USA show for lighting designers, no matter what medium of light they're into. According to our reporters, LEDs were all the buzz. Really. The vast majority of attendees didn't have a clue what they were talking about, but none the less, they were talking LEDs. If all of them were routine readers of Solid State Lighting Net and read LIGHTimes, they'd have even more to talk about, in a more knowledgeable manner. But at least they're talking about what our world is making possible.

Whereas in the late 1990s, Color Kinetics was the only company to show LED product, approximately 10% of exhibitors featured LEDs in their booths last year. This year that took an admirable leap and approximately 30% of the exhibitors featured at least some LEDs this year. That's impressive. Too bad more of them didn't know what they were showing. It's reminiscent of the first time I attended a Semicon expo (that huge silicon show put on annually in California by SEMI) just after gallium arsenide (GaAs) appeared on the semiconductor radar scope. I'd visit a booth and ask "Do you know anything about or produce any products made for the GaAs sector?" pronouncing it in its full name, gallium arsenide. They'd answer "Yeah. We know all about 'galcium arsenace'." They were clueless.

Unfortunately, too many exhibitors at Lightfair were clueless about LED-based lighting products. The pity of that is, that lighting designers are truly enthusiastic about using this new medium for their designs. They desperately want and need expert advice and top quality product. The most rude display was when an exhibit would shine an LED right in the eyes of the booth visitors in a lame attempt to show how bright their product was. The trick to good lighting is never to shine it right in the eye of the beholder... unless you're a policeman making a bust, I guess... but rather, to show what the light can do. Like provide the spectacular backdrop to a stage presentation, or subtly illuminate something noteworthy. If I were showing white LEDs at a trade show, and was proud of the soft, pleasing light they could produce, I'd stage a mock dressing room or makeup mirror type setup and invite all the females to view themselves in my utopia ambiance. Nothing like seeing yourself in perfect light (one that covers the wrinkles and smooths the crows feet or last night's partying at the hospitality suits) to score a convert.

So LEDs were "in your face" at Lightfair. Literally. And everyone was talking about LEDs in, out, and around the Jacob Javits Convention Center, named after a political hero of mine. Jacob Javits was was a rational moderate Senator from New York who would have liked the notion of solid state lighting. One of the LED-astute attendees reported to me that he heard two guys talking on the shuttle bus from the hotels to the Javits Center. One guy was a manufacturers rep and the other a lighting designer. The gist of the conversation was typical. The lighting designer wanted to do something with LEDs, but didn't really know how to use them in their work and the rep had heard similar complaints and didn't have any answers.

There simply aren't enough LED-savy people working with the designers yet and that's a serious obstacle to overcome. Making the mission more difficult is the fact that many lighting designers don't trust suppliers. The problem seems to be that in the first round of dealing with LED providers, the products didn't live up to the initial promises so the lighting designers are justifiably skeptical based on previous negative experiences. How can that perception be changed? If you're an LED manufacturer or systems integrator, don't promise things you can't deliver. Don't confuse lighting designers with nonsense nomenclature and meaningless metrics. Make your product work correctly. Explain what it is and what it can do. Solve challenges like thermal management and reliability upfront, and if you can't, work with an expert. Tell your customers what they can expect, show them how and when and where to use it, and then follow through with your claims. Continuously improve your product and update your reps and distributors, honestly, and in a timely manner. Consider putting on workshops and seminars for the sellers and users of your product, and answer questions and solve problems for them honestly and promptly.

No wonder some very large and very important potential systems integrators are holding back before entering this business. They want to see how many arrows get shot in which backs, who falls and who stands tall before they decide which LED die suppliers and packagers to deal with. The key players in the field are quickly becoming the systems integrators who buy the bare LED die and/or packaged LEDs. Some are good companies who play by the rules, don't infringe illegally on others IP, and back up their product lines with educated tutoring of how to properly use those products. The idea of converting to solid state solutions, i.e. LEDs, is that you won't have to replace the tiny little lamps for a long, long time. This makes the total cost of the LED solution over its lifetime significantly less than the cost of all of the replacement bulbs and maintainence costs with tradition lighting. If the end product is garbage, and not living up to expectations, of course the lighting designer is going to have a negative or skeptical attitude. The responsibility of our industry is to make good product that meets their expectations.

One of the biggest issues that continues to be a major problem is respect for the a competitors legitimate patent rights. IP. Intellectual property. It's an issue of critical importance, which is why we're featuring IP issues at BLUE 2005 in Taiwan May 6-8th. There were exhibitors at Lightfair whose products still blatantly infringe on other company's IP. They're getting wealthy off someone else's work. That's simply not right. When the holder of known good IP comes into a competitor's booth and sees the infringing product being pushed to an unsuspecting buyer and the technical and sales people that work for the infringing company cringe in obvious embarrassment, that's more than a clue! While they might not be involved in a lawsuit, they know they're guilty. If we can instill a little more honesty in this field the skepticism will go away naturally and the excitement will continue to build. It's easy to be successful when everyone's already talking about what you do. That invaluable groundwork has clearly been laid. Now the challenge is to deliver on the promises while not promising things you have no right to.

If you want to be one of the leaders in the field and a key player, but you're not yet sure you're in business with the right people, I highly suggest you get yourself over to the Ambassador Hotel in Hsinchu, Taiwan for BLUE 2005 May 16-18th and get properly connected!

If you have questions about the solid state lighting and compound semiconductor industries or have
news or views to share, we want to hear from you! Feel free to contact us anytime.

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