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Editorial: The Significance of the LED Lighting Industry
... A big motivation (or frustration) factor in most people's lives is significance. When we feel we we're making an impact, not only do we feel better about ourselves, we feel better about pretty much everyone. We we don't think we're making a difference, things will typically start to fall...
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Welcome to your LED Applications news channel!

The opportunities presented by the increasing rapid adoption of high brightness LEDs, in all their forms and applications, represents nothing short of a "digital revolution" for a previously "analog" world. LEDs are having a substantial disruptive effect on a number of established technologies, and where there is disruption, there is an intense need for information.

LIGHTimes Online is here to serve the information needs of the LED industry supply chain, as well as integrators and non-architectural application solution providers with technology, product and market news updates for these rapidly evolving devices. Our readership also includes LED packagers, technology enablers and service companies seeking the the answers to how best to meet their customers' needs.

For architectural lighting and applications news of interest specifically to lighting designers, specifiers, and architectural lighting decision makers, along with luminaire designers, lighting system integrators and lighting subsystem developers, please visit our sister publication, Solid State Lighting Design.

SSL is booming and the 2011/2012 Summit Series is coming back to keep the message on quality

Launched in 2008, the SSL Summit will bring the quality story to New York City in October 2011, and then back to LA in March 2012. At every one of the Summit events, the feedback remains consistent: Just what we need, 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.

Continuing the tradition, 2011/2012 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!). Last year's event in NYC included representatives of over 100 million square feet of developed property, and the one thing we don't want to leave out for 2011 is you! Look into the series information at www.SSLsummit.com for the details. Sponsorships are available for the full series.

pureLiFi Raises £1.5 million in Latest Funding Round
LIGHTimes News Staff

January 20, 2015...pureLiFi of Edinburg, UK, has raised £1.5 million in its latest round of investment. The 2012 University of Edinburgh spin-out is currently valued at over £14 million. The company says that a VC funding round is on-going, and additional funding announcements are expected during the second half of 2015.

The funding news comes as pureLiFi ships its first full wireless Li-Fi networking system. Li-Fi – a term created by the company's chief science officer (CSO), Professor Haas, refers to a visible light communication technology that provides full networking capabilities similar to Wi-Fi, but can have significantly greater spatial reuse of bandwidth.

London & Scottish Investment Partners (LSIP), a Scottish-based angel group led the latest funding round. Corporate finance firm, Quest Corporate managed the additional funding, which came from the Scottish Investment Bank (SIB) and Old College Capital. pureLifi plans to use the investment to support the development and roll-out of the product roadmap in addition to its marketing and sales.

In Q4 of 2014, the pureLiFi team launched and shipped the Li-Flame, the first Li-Fi network product, to customers globally. The system enables off-the-shelf light fixtures to become Li-Fi access points, which can simultaneously bi-directionally communicate to numerous users. Li-Flame also consists of the first battery-powered Li-Fi mobile unit. The unit attaches to a laptop screen for user roaming within a room or an entire building.

Professor Russel Griggs, pureLiFi’s Chairman, said, “I am very pleased that the necessary funding is now in place to allow Harald and his team to push ahead with the product roadmap, positioning pureLiFi for its next phase of growth.”

Harald Haas, CSO and co-founder of pureLiFi, said, “Li-Fi is increasingly viewed as a transformative technology that can change the way we use the mobile internet as part of future 5G cellular networks and at the same time be an enabler of the emerging Internet of Things.”

Sumitomo Chemical and Kateeva Partner for Lower Cost Mass Production of OLED TVs
LIGHTimes News Staff

January 15, 2015...Kateeva of Menlo Park, California USA, reported that it will be partnering with Sumitomo Chemical Company, Ltd. (Sumitomo) of Japan. Sumitomo is a supplier of Organic Light Emitting Diode (OLED) materials. Kateeva is a provider of novel inkjet printing equipment for OLED mass production. Under the terms of the non-exclusive agreement, Sumitomo is to pair its OLED materials with Kateeva's YIELDjet™ OLED mass production platform to help accelerate production of affordable OLED TVs.

The partnership intends to make it easier for display manufacturers to create and mass produce inkjet-printed Red Green Blue (RGB) OLEDs for large OLED TVs. The partnership's success requires a perfect integration of advanced materials and mass-production equipment. Kateeva and Sumitomo agreed to work to co-develop high-quality reference data for customers. They plan to employ Sumitomo inks and Kateeva's inkjet OLED mass-production platform to optimize the manufacturing process to attain optimum OLED device performance. Therefore, customers that select the Kateeva/Sumitomo equipment/ink combination will be assured of a tested and optimized solution.

Kateeva's newly introduced YIELDjet FLEX product, which is the first member of the YIELDjet platform, enables low-cost, high-yield Thin Film Encapsulation (TFE) for flexible OLED displays. It offers an alternative to older less efficient vacuum evaporation technologies. The Yieldjet platform can print RGB OLEDs TVs.

Sumitomo Chemical's Polymer OLED (PLED) type material is suitable for printing and enables effective mass production of large OLED displays. Sumitomo says its PLED material has already achieved excellent performance for TV applications.

Kateeva Chief Technology Officer Steven Van Slyke said the partnership was a major step forward for the OLED industry. He noted, "OLED TVs have long captivated consumers but remain beyond reach for many due to high production costs. Inkjet printing can change that, given the right combination of materials and equipment. Our collaboration with Sumitomo will speed high-performance inkjet-printed OLED devices to market by optimizing industry-leading materials and equipment to mass produce reliable, affordable OLED TVs."

OLED TV is the next natural application for Kateeva's YIELDjet platform, beyond flexible OLEDs. The YIELDjet platform uses a pure-nitrogen process chamber. Nitrogen shields OLED materials from moisture and the air (known degraders of quality), and enables superior device lifetime, especially T95 lifetime. T95 lifetime refers to the time it takes for a display element to decrease in brightness by 5 percent. T95 determines the resilience of the display against image burn-in.

The Kateeva/Sumitomo partnership is intentionally non-exclusive. Its broader goal is to offer the global display industry novel tools and technologies to inexpensively produce OLED TVs. The agreement allows Kateeva and Sumitomo to partner with others. Also, customers may use Kateeva inkjet printers with inks provided by non-Sumitomo vendors, and Sumitomo inks with non-Kateeva inkjet printers.

Automotive LED Lighting Market to Grow Rapidly, According to Research and Markets
LIGHTimes News Staff

January 15, 2015...Research and Markets forecasts that over the period of 2014-2019, the Automotive LED Lighting market in the Americas will have a compound annual growth rate of 25.26 percent. The firm notes that LED lighting technology for automobiles has improved significantly in terms of heat-light ratio. Also, the company says that LED lights consume less power and have a longer lifespan and greater shock resistance than alternative technologies. A drive towards greater energy efficiency, the falling price of raw materials, and exponential vehicle production are radically changing the Automotive LED lighting market in the Americas, according to Research and Markets.

The company points out that automakers are increasingly using LED-based headlamps. Research and Markets contends that LED headlamps increase occupant safety and offer powerful and constant high-quality light, which enables illumination at greater distances. Additionally, the company says that LED headlamps can reduce energy consumption and improve the esthetic appeal of vehicles. According to the company's latest report about Automotive LED lighting in the Americas, one of the main drivers of the market is the high rate of adoption and the growing popularity of LED lighting. The company says that LEDs tend to produce a better quality and higher intensity of light and are more flexible.

Another feature of LED lighting driving its adoption in vehicles is the improvement in visual conditions it offers. Furthermore, LEDs reportedly enable the styling and customization of vehicles with lights. Research and Markets points out that Automakers and their suppliers have to overcome regulatory approval delays as they seek to introduce new lighting technology, such as high-intensity LED headlights and adaptive lighting systems, which are hindered because of the safety legislation in the Americas.

DOE Publishes Gateway Report about Survey of SSL Use in Museums
SSL Design News Staff

January 14, 2015...Since 2011, museums seeking guidance in converting to SSL have looked to Jim Druzik and Stefan Michalski’s “Guidelines for Assessing Solid-State Lighting for Museums”. In June 2014, the Pacific Northwest National Laboratory (PNNL), sent out a total of 979 questionnaires to members of the museum community who had requested a copy of the Guidelines. PNNL sent out the questionnaires on behalf of the U.S. Department of Energy (DOE), the Getty Conservation Institute (GCI), and the Canadian Conservation Institute (CCI). The questionnaires generated 46 sets of responses for a 4.7% response rate.

These responses yielded insight into how LEDs are being employed in museums, and what progress and obstacles have been encountered in the process. The GATEWAY report, SSL Adoption by Museums, includes museum requirements and goals, incorporating sustainability and energy savings issues related to lighting; initial concerns and resolved misconceptions about LED technology. The report looks at the current lighting that museums use to examine how the Guidelines have been adopted so far. While 68% of the respondents placed a high priority on energy efficiency, respondents indicated that their museums would not risk potential damage on their works of art nor sacrifice lighting quality in their galleries solely for the sake of energy efficiency.

Since 2009, LED use in at least part of a museum has increased from virtually none to nearly 40 percent. However, the use of incandescent bulbs as the primary lighting source only decrease marginally from 55 percent in 2009 to 51 in 2014. Of 2014 respondents, 13 percent said they used compact fluorescent (CFL), 11 percent used linear fluorescent, and 22 percent primarily employed other lighting (including daylight, metal halide, and halogen).

When asked whether they would consider and implement another LED installation, 71% indicated they would, only 6% would not, and 32% said they already had.

Respondents indicated that the main considerations in selecting lamps were color, spectral power distribution (SPD), and damage potential. Following these were lamp efficacy, initial cost, and form factor (lamp size and shape). Some museums also prioritized the reliability of the manufacturer.

While 75% of respondents experienced early LED product failures, the maximum failure rate reported was just 2.5% of the installed lamps or fixtures. Sources of the failure in these cases included electronic components such as drivers and power supplies, but not the LED source itself.

The respondents cited several main barriers to adopting LEDs in museums. Among them:

•Potential high cost, especially for dedicated LED fixtures;

•Difficult selection process, due to the confusing variety of products and difficulty keeping up with rapid advancements in technology;

•Resistance to change, especially from conservators and university administration; and

•Technology limitations, such as poor dimming performance and potentially problematic performance of LED replacement lamps in enclosed fixtures.

Respondents showed no strong preference for replacement lamps over dedicated LED fixtures. Instead, the decision of using replacement lamps or dedicated LED fixtures depended on the application and the pressure exerted by existing luminaire stock.

When evaluating color, almost all considered color rendering index (CRI), with target values greater than 85; two-thirds favored correlated color temperature (CCT) with 2700 and 3000 K listed as target values; and 60% evaluated the light source SPD. Just 26% had to have a color warranty. Respondents said they grouped luminaires of similar color shift to resolve color inconsistencies or they had manufacturers replace the luminaires.

Two thirds of respondents trialed light sources to and expected illuminance levels in the actual gallery. Less than half used a reserved space for mock-ups only.

When evaluating potential damage, the majority considered UV and IR output and about half considered short-wavelength emissions in the SPD. Other considerations included the composition of the displayed materials and limiting the duration of exposure to LEDs, CCT, and heat output. Almost all respondents considered light exposure recommendations based upon the sensitivity of the materials displayed, along with the annual hours of operation of the lighting system.

Dimming was generally believed important to achieve required low light levels down to 5 fc (50 lux) incident on the object. Of respondents, 42% used DALI/ DMX (Digital Multiplexing)/or 0-10V dimming protocol, 39% used dimmers designed for incandescent loads, and 33% had no dimming capabilities in galleries (12% used a combination of dimming methods). Problems for dimmers not designed for incandescent loads included flickering or failing to turn on.

The questionnaire responses and comments revealed considerable confusion about different LED products, what museum staff should be asking for, and concerns about maintenance. The responses also made clear that education and experience are needed at multiple levels.

The report points out that in general, white LEDs pose no special color issues (in rendering nor increased damage potential) for works of art, compared to an equivalent CCT halogen or fluorescent source. In fact, the report notes that at equal illuminance levels, the photochemical, thermal, and hygrometric stresses posed by LEDs are lower than halogen and (photochemically) much lower than daylight. The report notes the strong correlation between damage potential and CCT of all products.

The report asserts that lighting controls can eliminate 60% or more of wasted lighting energy in buildings and would allow lighting designers to specify lighting exposure (illuminance, spectrum, time) to minimize damage while offering conditions for optimal viewing. Fortunately, the report says that companies are producing a growing number of more sophisticated controllable LED light sources and complementary control technologies.

FZLED Launches Premium LED Bike Torch
LIGHTimes News Staff

January 13, 2015...FZtech Inc. of New Taipei City, Taiwan introduced the new LED Bike Torch FZL-1210 with mounting bracket. The torch is powered with a 1W Nichia LED that emits 70 lumens. The company says that the high-intensity beaming spot offers cost-effective replacement for bike lighting and is also suitable for mountain climbing, hiking, camping, and home maintenance.

The LED bike torch has durable Aerospace-grade aluminum alloy with black anodizing. FZtech says that the portable, lightweight, and durable torch is cost-effective. The device measures 108 mm long and has a diameter of 27 mm, it runs on 3 pieces AAA batteries. The company says that the mounting bracket of FZL-1210 fits a wide range of bikes (handle bar size 26-33mm in diameter). The user can adjust the bracket strip's length to fit bike size. Also, the adjustable bracket can be rotated to the desired angle. Users can remove the torch from the mounting bracket.

The FZL-1210 comes with three modes: power on, power off, and flash. The Nichia LED has a projected lifespan of more than 35000 hours. The torch's estimated run time is up to 12 hours with fresh batteries. It can reportedly produce long distance illumination of up to 50m. In third position, the weatherproof flashlight can operate between minus 20 C to 50 C.

The company says that the bright, glare-free and low-power-consuming flashlight emits no heat, IR or UV light radiation. The reportedly economical FZL-1210 LED torch is now available in Taiwan, Singapore and Thailand.

Gillette Stadium Logos Employ Lettering with Freeform Elements from Daktronics
LIGHTimes News Staff

January 13, 2015...With a full, regular season completed, the New England Patriots are hosting a playoff game at Gillette Stadium in Foxborough, Massachusetts. Gillette Stadium now showcases new freeform LED elements covering the "Gillette" lettering above the video displays at each end of the field from Daktronics of Brookings, South Dakota. These two displays together make up one of the largest freeform LED installations in a sports using the puck-shaped freeform LED elements from Daktronics.

The freeform LED elements that form the displays feature 35 millimeter line spacing to cover the 20-foot high and 50-foot-wide Gillette logo. These compact, puck-shaped elements are suitable for a variety of applications including lighting the large, architectural logos that will integrate seamlessly with other LED displays throughout the venue. The company says that the script-shaped display will attract the attention of fans at every event and allows for more stadium brand opportunities and ambient effects.

"We are very excited to showcase this technology at Gillette Stadium, the first of its kind in a professional football venue," said Dave D'Amico, Daktronics sales representative. "We're proud to continue our partnership with the New England Patriots as this technology brings a new level of entertainment to the overall fan experience inside their stadium."

Daktronics also installed two additional SMD (Surface-Mount Device) video displays along Route 1 near Gillette Stadium. The company says that the SMD, or 3-in-1 LED package, enables tighter pixel spacing for high resolution outdoor displays with clear vibrant imagery and wide angle viewing. Each of these displays, which will measure 15 feet high by 10 feet wide, will feature 10 millimeter line spacing to offer additional event announcements and information.

Frozen Foods Fleet to Install Forward LED Lighting on 700 Trucks

January 13, 2015...KLLM-Frozen Food Express reported that it would be installing Truck-Lite LED forward lighting on all of its new trucks, according to an article in Truckinginfo. The company plans to begin installing the lighting on all of its nearly 700, 2016 Freightliner and Volvo models in February 2015. The Richland, Mississippi company operates over 3,500 trucks and 5,000 trailers.

This is a complement to our existing suite of safety features,” said Jim Richards, president of KLLM-Frozen Food Express. “Driver safety has always been our number one priority and we feel that this improvement is a key step in keeping safety first.”

Truck-Lite says that its LED headlights provide the better driver visibility at night, and they increase daytime visibility. Also, according the company, the LED lights draw fewer amps from a vehicle’s electrical system, which can result in up to 50 times longer lighting system life than conventional halogen technology.

"This fleet has decided to go all in on safety," said Truck-Lite spokesman Mitchell Wilston in the article. "We see a lot of fleets with a gradual transition but, for the size of the fleet, this is a rather abrupt conversion."

"Just a few years ago, LED lighting was looked at as an expensive upgrade. More and more, fleets are coming to the conclusion that what was once considered a large expense is a small price to pay for a dramatic increase in safety."

iDerma Facial Beautification System Launches Crowd Funding Campaign on Indiegogo
LIGHTimes News Staff

January 8, 2015...Apira Science, Inc., makers of the iGrow, an FDA approved, hands-free, in-home hair growth device has created another system for facial skincare. The company launched the Indiegogo campaign at CES to crowdfund the iDerma Facial Beautification System. Apira Science says that the iDerma crowdfunding campaign will encourage collaboration between early adopters and the company. Apira Science will collect feedback on the prototype’s design to improve the user experience and ensure best-in-class results when the iDerma product reaches the broader market.. The campaign will continue until Feb. 9, 2015. Apira is currently showcasing the iDerma at CES in Las Vegas through January 9 at booth #75708.

The company contends that iDerma achieves all of the benefits of a costly photofacial at home for a fraction of the cost of clinic-based therapy systems. Apira Science says that iDerma's Red and infrared LED light therapy can reportedly stimulate deep cellular regeneration, which the company says can reverse and improve the visible signs of aging and can also help heal redness and inflammation associated with acne blemishes. According to the company, consistent use of the system every other day helps leave the skin refreshed, toned, and clear.

The iDerma’s patented full-face visor employs more than 140 red and infrared LEDs with both narrow and wide-angle lenses to cover the entire facial surface. The company asserts that consistent use of the system results in more supple and radiant skin and the diminished appearance of fine lines, wrinkles, and facial rhytids. Users of the iDerma Facial Beautification System can adjustable the system accommodate a wide range of face sizes and better user comfort.

“What we were able to do for hair loss with the iGrow, we’re now doing for the skin with iDerma,” said Jeff Braile, president of the Medical Products Division at Apira Science. “Indiegogo offers us a platform to speak directly to consumers about their experience using iDerma, providing us invaluable insights that can help refine the system and improve results. Through this campaign, we’ll be able to ensure iDerma is a more convenient, cost-effective solution for achieving younger and healthier skin.”

To learn more about iDerma and the Indiegogo campaign, visit www.indiegogo.com/projects/iderma-most-advanced-antiaging-photofacial-system, www.apirascience.com, or stop by booth #75708 at CES on Jan. 6-9.

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