Will LED Light Bulbs Help You Fall Asleep?

If you fly to Asia on the new Boeing 787 Dreamliner, you might find it a wee bit easier to fall asleep on the way.

Although LED light bulbs have largely been touted by advocates as a way to curb energy consumption, many manufacturers have begun to discover that the 搊ther?attributes of these chips條ong lifetimes, low maintenance requirements, precise control and communications capabilities?could actually emerge as the strongest selling points.

A properly engineered LED light bulbs, in other words, could help you sleep.揧ou can reset circadian rhythms and evoke behavioral responses,?said Dr. George Brainard, a professor of neurology at the Jefferson Medical College at ThomasJefferson University, who added that health could be one of the common packaging and branding qualities, like output and watts, in a decade or two.

The first consumer 揵iological specific lights?could even start to hit the market in about two years, says Fred Maxik, one of the founders of Lighting Science Group, which specializes in LED light bulbs.

Lighting Science has made LED light bulbs for testing circadian rhythm impacts for both NASA and aircraft engineers. (See photo.) The company currently works with Google on a bulb that dims and brightens as you approach with an Android phone. Bulbs tuned to kill germs朥V light can be deadly to microbes杕ight appear four to five years beyond sleepy bulbs.

The potential to exploit LED light bulbs as sleeping aids derives largely from the fact that LEDs can be programmed to emit light at precise wavelengths, colors and tones. LED light bulbs, after all, are digital semiconductors. Traditional light bulbs produce light by heating exotic gases or pieces of metal inside of sealed tubes: they are the last vestige of the 132-year old vacuum tube era. Controlling them requires filters and the tribal wisdom of lighting designers.

揂n LED is a light source, but it is an infinitely controllable source,?said Zach Gentry, an executive at Enlighted, which combines LED light bulbs with temperature, light and occupancy sensors for monitoring energy consumption and physical activity in office buildings.

Throughout most of human history, people began their workday when the sun crossed the horizon and went to bed after night descended. 

GlacialLight Exhibiting at LED China 2012

GlacialLight, a sub-division of the experienced technology manufacturer GlacialTech Inc., is pleased to announce its attendance at the world's largest LED event - LED China 2012 from February 20 to 23, 2012. GlacialLight invites all interested parties to visit their booth (#N410 in Hall 9.3) to test products, ask questions, and procure GlacialLight's most advanced LED lighting solutions offerings.
GlacialLight's booth will be featuring several of their newest products including the recentlyreleased GL-FL12, GL-FL30, and GL-FL120 flood lights using Philips Lumileds LED Chips, Pollux Series Panel Lights, Capella Series dimmable down lights, and their innovative LED Drivers that make electronic transformers unnecessary while improving power conversion efficiency as well as reliability.
GlacialLight will also display a wide array of environmentally?friendly and energy?saving products, LEDs with dimming functionality, bay lights, lamp lights, LED tubes, light bar display lights, and streetlight and spotlight solutions.

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Home of the Future

PhotonStar’s Biodynamic Lighting, Architectural Led luminaire and EcoStar LED luminaire products were filmed for brand new Channel 4 series, Home of the Future, which starts February 12th, 7.00pm on Channel 4.

What happens if you ask a normal family to boldly go where no-one has gone before - to live in the future? This five-part Channel 4 series, co-funded by one of the UK’s leading energy companies E.ON, and produced by Twofour, transforms the lives of a family, filling their home from top-to-bottom with futuristic technology and gadgets.

As well as having cutting-edge technology and gadgets to play with, the Perera family in Sheffield will be challenged by scenarios likely to come in the next twenty to fifty years.

Overseen by expert Chris Sanderson, the Pereras will discover how we may work, rest and play - as well as eat, travel, stay healthy and power our homes.

The series looks at the effects of working from home and living in multi-generational households and asks: what will we eat when cheap food is gone and mass-produced meat is unsustainable? And the family face being shamed by their bin if they don’t recycle enough and being temporarily banned from short car journeys (electric and hydrogen-powered, naturally).

But the future is not all bad news as the Pereras discover mind-controlled games, domestic power stations that slash their bills, robots they can control from the other side of the world, waterless washing machines, cars, lawnmowers and vacuums that drive themselves and the joys of growing your own fish supper.

The first episode of Home of the Future airs on February 12th, 7.00pm on Channel 4.

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LEDs Could Lead You Right to a Discount

When you go to the grocery store, chances are you find yourself hunting for at least a couple of items on your list. Wouldn't it be easier if your smart phone could just give you turn-by-turn directions to that elusive can of tomato paste or bunch of cilantro, and maybe even offer you a discount on yogurt, too? That's the idea behind ByteLight, a Cambridge, Massachusetts-based startup founded by Dan Ryan and Aaron Ganick. ByteLight aims to use LED bulbs—which will fit into standard bulb sockets—as indoor positioning tools for apps that help people navigate places such as museums, hospitals, and stores, and offer deals targeted to a person's location.

We are going to bring in Signal light,which price levels do you want.--Bgocled

The National Mall Gets LED Makeover

The historic bronze streetlamps that line America's front yard, the National Mall in Washington, D.C., has gotten LED makeover this week.

The Mall's high intensity discharge and compact fluorescent lamp lighting there were retrofitted with LEDs, donated by lighting manufacturer Osram Sylvania and installed pro bono by the city's electric utility Pepco. The LEDs are expected to use up to 65% less energy and last up to 25 years.

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Switch to Sell First 'eco' Liquid-cooled LED Light Bulbs

Californian-based firm Switch has launched new liquid-cooled LED light bulbs which is first 'eco' light that's as bright as a normal 100w bulb.

 The bulb was showcased at the Consumer Electronics Show in Las Vegas, Nevada, and was set to retail for £24 when it eventually goes on sale.

According to Brett Sharenow, strategy officer for the company, the big thing about this bulb is it uses 80 per cent less energy than an incandescent.

The LED light bulbs are presently available only for the US 120-volt system, but the company plans to release versions of the bulbs for use in the UK and Europe by the end of 2012.

Sharenow thinks the bulbs will be a particular hit in the UK, where energy costs are as much as double those in the US. For a commercial application, the payback is about six months. To commercial users, it is a no-brainer.

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100-watt LED Light Bulb That Uses Only 12 Watts of Power?

Anomax says it invented a 100-watt LED bulb that uses only 12W of energy. Compared to today's most energy efficient 100-watt bulb (CFL Compact Florescent Light at 23 watts) Anomax's bulb is 48% more efficient.
Anomax's  energy efficient lights pair their patent pending IPCHS substrate technology (a low cost metal-core board with circuits directly plated on alumina) with off-the-shelf LED diodes. Anomax names this break-through technology LMR for Light Made Right.
H.A. Chan, Director of Anomax, states, "Today's LED bulbs' bottleneck is their extremely low heat transfer (3W/mK) board that overheats the LED diodes and greatly lowers the light output. That's why brighter than 60-watt LED bulbs exist only in R&D labs and are very expensive to produce. The very high thermal transfer (30 W/mK) of IPCHS enables efficient power-to-light conversion, improving energy use by almost 50%." 
In comparison, 90W of a 100-watt incandescent bulb is wasted producing heat. A 100-watt CFL uses 23W but contains harmful mercury in fragile glass-tubes that breaks and inevitably introduces mercury into our food chain. A 100-watt LMR bulb uses only 12W, HALF that of a CFL and as an LED based light, LMR is totally Green. At other light-output levels, LMR bulbs consistently use only half the energy of CFLs.

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Congress bans 100-watt light bulbs

Congress has turned the lights out on the 100-watt screw-in bulb, but so far, the news has barely caused a flicker of interest on the island, according to Jamestown Hardware’s owner, Scott Sherman.
In fact, the local store still has stock on the shelves and will be allowed to continue selling the 100-watt incandescent bulbs until supplies run out. “We still carry them,” he said. Manufacturers, however, have stopped producing the high-watt incandescent lights, said Lindsey Geisler, spokesperson for the Department of Energy. The government ban on 100-watt light bulbs went into effect Jan. 1, she said. The reason is that the incandescent light bulbs generate too much heat and waste energy. The incandescent bulbs are being phased out beginning with the 100-watt lights, but manufacturing will eventually also halt on the 75-, 60- and 40-watt bulbs.

Science of Light Brings LED Technology to Schools Indoor Lighting

Arizona based health science research organization, Science of Light (SOL) has begun accepting pLedges for its green schools indoor environmental project - Enlightened Schools: “Smart Lights = Smart Kids.”

According to research studies, Lighting in schools can dramatically affect children’s health and their ability to learn. Children spend up to 40 hours per week in school buildings. Much of this time is spent under fluorescent lighting that emits hazardous radiation and radio frequency waves that contribute to a toxic “light polluted” indoor environment for students, teachers and staff.

The Enlightened Schools project was launched on FundaGeek, the crowdfunding site for technical innovation. Reaching their $112,000 goal will let SOL take this high performance school project from patent pending to production of LED technology that closely replicates natural sunlight referred to as full-spectrum light. Full-spectrum light research in schools has been shown to reduce hyper activity and learning disorders while improving health and performance in the classroom.

SOL’s innovative green program will improve student performance as well as increase energy efficiency in schools by eliminating the shortage of exposure to full-spectrum light caused by low quality fluorescent light. Studies by the father of full-spectrum light, the late Dr. John Ott, have shown that “Mal-illumination,” or the lack of exposure to natural daylight can be likened to malnutrition.

SOL’s innovative ‘passive fitness’ project enhances children’s scholastic performance; reduces illness and absenteeism, saves schools money and is paid for with saved energy dollars.

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American designer Creates Fresh LED Desk Lamp

Lately, American designer Victor Vetterlein has created a fresh LED desk lamp.

According to him, the design is inspired by tall wet grass, where the water droplets amplify sunlight and the grass stems bend downward from the weight of the moisture. The stems of FRESH are bendable in all directions to direct prismatic light as a group or individually.

The lamp is composed of a rubber coated metal base, neoprene coated solid aluminum arms, and a dimmable LED light source with an acrylic magnifying lens.

The power voltage converter necessary for operating the low energy light source is placed in the base of the lamp for additional counterbalance.

With these features, the new lamp provides a splash of color and a whisper of Spring to a home or office desk.

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ZigBee Light Link: LED Lighting Control Standardized

The ZigBee Alliance, a global ecosystem of companies creating wireless solutions for use in energy management, commercial and consumer applications, announced it is developing a new open standard designed for LED lighting control – ZigBee Light Link. This forthcoming standard will help manufacturers develop a variety of lighting and control products, giving resellers and consumers a wide selection of interoperable wirelessly controlled lighting products for the home.
The Alliance is creating a standard that will be as easy to use as a common dimmer switch. Light bulbs, LED fixtures, sensors, timers, remotes and switches built using ZigBee Light Link will not require special devices to coordinate in a home's network. Consumers will be able to easily install and add extra devices to their home lighting network. Like all devices in the ZigBee portfolio, ZigBee Light Link devices can be controlled over the Internet through connected computers, tablets and smart phones. Development of this standard is being steered by industry-leading lighting experts such as GE, Greenwave Reality, OSRAM Sylvania and Philips. "ZigBee Light Link will be the industry-wide solution for the home market," said Jos Bruins, ZigBee Light Link working group chair from Philips. "ZigBee Light Link is being vigorously tested and will provide the simplicity consumers need and the helpful features they've been hoping the industry would develop."Products built using ZigBee Light Link can earn the ZigBee Certified product seal. When completed, this open standard will be one of the industry's first standardized wireless networking solution for interoperable lighting applications between different manufacturers."Having so many lighting industry heavyweights working together to leverage the benefits of ZigBee for ZigBee Light Link will help consumers realize the convenience of standards-based wireless lighting control," said Bob Heile, chairman of the ZigBee Alliance. "ZigBee Light Link will give consumers a simple way to control lighting from anywhere in their home, or even if they're at work or on vacation."

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LED-O first to offer 100% ECO-friendly LED lighting

LEDs America is expected to expand their LEDs production capabilities and broaden their marketing reach for launching their newest LED-O tube products to replace fluorescent T8 and T12 tubes worldwide. LEDs America broke through the 100Lm/watt barrier by establishing a new standard of energy use of T8 light tubes down to a remarkable 14.6. Indeed, the new standard for 4 foot T8 light tubes is now 14.6 W, 1400 directional lumens according to LM-79 and LM-80 tests. 
The standard fluorescent tube can now be replaced by a 14.6W LED-O in existing fixtures. The downward directed lumens output is equivalent to the fluorescent tubes as half of its lumens output is lost in the fixture. This will save over 65% of energy used for lights and 80% of heat that needs to be cooled down by air conditioning. The LED-O(R) T8 tube emits no UV light, contains no mercury or any hazardous vapors, is 100% recyclable, and is warranted for 5 years (when lifetime can well exceed 10 years).

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SIL 2012 Preview--LED Manufacturing track to address critical issues for LED production

The LED industry faces a series of key challenges as it moves to high-volume production, and many of these will be discussed in the new LED Manufacturing track at Strategies in Light, explains BOB STEELE.

As the LED industry has embarked on an unprecedented scale-up in manufacturing capacity worldwide, it is clear that manufacturing techniques that were suitable for low-volume production are no longer adequate. Application of new tools and techniques for high-volume production must be implemented, including the use of larger-diameter substrates, automation, device metrology and feedback, yield management techniques, and the use of improved packaging materials and methods.

All of these subjects will be addressed in the LED Manufacturing track, introduced for the first time at Strategies in Light (SIL) in 2012 (February 7-9, Santa Clara, California). The topic of LED manufacturing was offered as a half-day workshop at Strategies in Light 2011. Due to the sold-out attendance and the overwhelmingly positive response to the workshop, it was decided to devote a full-day conference track to LED manufacturing in 2012. SEMI, the industry trade association, was a key sponsor of the 2011 workshop, and will again be sponsor of the 2012 conference track.

Plenary session

Opening the plenary session will be the featured keynote speaker, Iain Black, VP of Worldwide Manufacturing, Engineering and Innovation at Philips Lumileds Lighting. He will discuss the topic of how the evolving LED market represents a range of challenges for the LED manufacturer. Such challenges include the maturity of processes and equipment, the evolution of product and performance standards, and an immature value chain. See LEDs Magazine’s recent interview with Iain Black for a more detailed review of his presentation.

The second keynote speaker will be Karen Savala, President, Americas with SEMI. Her presentation, entitled “LED Manufacturing Today: Consolidating Expansion and Planning for the Long Haul”, will review LED fab capacity by region and provide estimates of capital spending in the 2012-2013 period. It will also provide an update on global efforts toward industry-wide manufacturing standards.

Another featured speaker in the plenary session will be Jacob Tarn, President of TSMC’s Solid-State Lighting Unit. As the representative of a major silicon-semiconductor manufacturer that is moving into the solid-state lighting space, Tarn will discuss approaches by which such a company can help to accelerate the LED cost-reduction curve and enable LEDs to penetrate the general-purpose lighting market.

Addressing similar issues from the perspective of government-industry collaboration, James Brodrick, SSL Program Manager at the US Department of Energy, will provide a detailed look at the latest edition of DOE’s SSL Manufacturing Roadmap, which examines key cost elements and where future cost reductions will occur.

Wafer-level manufacturing issues

The move to larger substrate sizes - 4-inch and 6-inch - is one approach to help scale up LED production volumes and bring down costs. Raja Parvez, CEO of sapphire producer Rubicon Technology, will give a presentation detailing the manufacturing efficiencies and cost reductions associated with moving to larger-diameter substrates.

There are a number of other ways to improve throughput and productivity during wafer manufacturing. Abdul Lateef, CEO of Plasma-Therm, will discuss the productivity improvements that are possible by adapting front-end plasma processes that have been successfully used for silicon to LEDs. Thomas Uhrmann, Business Development Manager, Compound Semiconductors, for EV Group, will review how high-throughput lithography and metal-wafer bonding can increase LED production efficiency and reduce costs.

Metrology and yield management

In this session, speakers will address the application of metrology to tracking defects during production and using the information obtained as feedback to improving yield. Mike Plisinski, VP and GM of Rudolph Technologies Data Analysis Business, will show how data collected across the entire manufacturing process can be used by process engineers to reduce costs and increase yields.

Dan Scharpf, General Manager of the Systems Business Unit at Labsphere, will discuss how yields can be increased, binning can be more efficient, and the cost of manufacturing can be reduced by moving optical testing further upstream in the manufacturing process.

Packaging

As the final step in the LED manufacturing process, and a key contributor to cost, packaging is receiving increased attention, and advanced techniques and materials are being applied to lower cost and increase performance. Ilkan Cokgor, VP of Global Marketing for Everlight Electronics, will discuss the packaging trends across the LED application space that are helping to drive down the cost per lumen.

Ravi Bhatkal, VP of Energy Technologies at Cookson Electronics, will outline the issues typically encountered in the package-on-board assembly process, and make recommendations for material selection and manufacturing processes that will enable high-reliability luminaire fabrication.

Bringing the packaging session to a close will be Geoff Gardner, Marketing Manager, Lighting, for Dow Corning. His presentation will cover the emerging widespread use of silicones in LED packaging, ranging from direct application on the die to final assembly in a lamp, and the technology challenges facing integration of these materials into LED products.

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LEDs light up Leica microscopes

The LED illumination series LED5000 and LED3000 have been designed for high-end stereo microscopes and routine stereo microscope systems, respectively. Both series have spotlight, ringlight, and multicontrast illumination modules available. Lifetimes up to 50,000 hours nearly eliminate downtime. The LEDs save up to 90% of the power required by a 150-W halogen lamp. The LED5000 series can communicate with Leica Application Suite (LAS) software to save illumination settings with captured images and performing recall when needed.

LED News--Taiwan Ranks No.1 in LED Industry Scale of 2011

Recently, Taiwan's Photonics Industry and Technology Development Association (PIDA), has released a report on Led industry scale in 2011. Taiwan remains world's biggest in LED industry scale in 2011, despite lower-than-expected market growth.
 
As the eurozone's debt problems dragged down demand, the output value of the global LED market grew by only 2.6 percent to US$16.6 billion (NT$502.48 billion) this year from US$16.1 billion in 2010.

In terms of regional performance, Taiwan still topped the market with a total output value of US$4.54 billion in 2011 -- including those of the upstream epitaxial wafers -- although the figure declined 0.4 percent from last year's US$4.56 billion.

South Korea ranked third behind Taiwan and Japan with output values of US$3.35 billion this year, representing an increase of nearly 5 percent from last year.
Some South Korean companies have launched low-priced products to tap into the Lighting market but they still need to purchase LED components from Taiwan to save costs because of their limited scale of production.

For Europe, LED output value plunged 7.3 percent from US$1.74 billion in 2010 to US$1.61 in 2011 due to the impact of the European debt crisis and fierce competition.

While, China is considered as the highest growth among all regions with its LED output value surged 26 percent year-on-year from 2010, thanks to local government support.

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LEDs throw new light on energy saving at Air NZ

Air New Zealand has halved the Amount of Energy required to Light Key areas of its Auckland Engineering Base following Installation of a new LED Lighting Product, Ecofluro. Ecofluro T8 LED Tubes have been used to replace more than 2,100 fluorescent bulbs at the site, a move that has not only reduced Air New Zealand's energy usage, but also lowered its running costs. "Fluorescent bulbs, which are used by most New Zealand businesses, contribute to around 40% of the average office power bill so by replacing them with LED a business can literally halve this cost, "says Paul Stoddart of Business Lighting Solutions, which manufactures Ecofluro.

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