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Commentary: 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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Robe LEDWash 1200s for Garth Brooks Tour
SSL Design News Staff

January 29, 2015...For Garth Brooks U.S. Tour, longstanding lighting designer Dave Butzler specified forty-eight of Robe’s LEDWash 1200s. The LEDWash 1200s were purchased specially by leading rental house Bandit Lites. Brooks, who continues to pack out arenas, has released his first studio album in 13 years “Man Against Machine” to coincide with the tour.

Butzler said that Brooks was fully involved in creating the stage design, and while he wanted to WOW the crowds, he wanted to keep the music--rather than the production--centre stage. Brooks elected to play multiple dates in more intimate medium-sized arenas, rather than massive stadiums to satisfy ticket sale demands and remain close to his audiences.

Butzler's lighting design started around lighting a large center cluster of audio and a central video cube. His shows are sold 360 degrees so there are always seats behind the stage, which is at one end of the venue. Butzler rigged thirty-six LEDWash 1200s in a series of Tyler trusses, and they remain inside these sections for traveling between shows. The truss sections are built into four T-shaped pods flown above the stage. Bandit’s proprietary Moto Data control systems move the pods into different positions throughout the show via 44 axis of automation.

The LEDWash 1200s light the extensive stage and performance including an aluminum set that also provides many reflections and interesting aberrations of the light.

Butzler rigged the remaining 12 x LEDWash 1200s on the mother grid above to illuminate the architecture and dynamic shapes made by the T-pods as they move around. It is Butzler’s first time using this popular Robe fixture. Brooks wanted to save power and did not want to use additional generators.

Before seeing the LEDWash in action first hand, Butzler was still slightly skeptical about the richness and quality of LED source color output. However, once he saw a demonstration, he “Immediately fell in love” with the LEDWash 1200.

Butzler likes the largeness of the source. The LEDWash 1200s have an immense output from a small form factor that has to compete with four large LED screens onstage. Butzler thinks the beam quality is excellent and finds the beam shaping, which facilitates tight or wide options, very useful. He also appreciates the individual ring control,which allows variation in beam size and density and makes it possible to instantly snap different colors into the rings. Butzler says he uses these effects a lot during the set.

The song “Standing outside The Fire” is a particularly striking example, with flickering ambers and reds pulsing through the mapped rings with heavy smoke to ramp up the drama and anticipation, “You can really paint with these lights like no others,” he stated.

Overall, he’s really impressed with the reliability of the LEDWash 1200s. “They are absolutely rock-solid and ready to tour,” he said, adding that Robe’s brand new BMFL Spot is next on his wish list!

Havells Sylvania's Luminaires Update London Offices
SSL Design News Staff

January 29, 2015...An office building at 25 North Row, in the heart of London’s Mayfair, recently underwent a complete refurbishment to modernize and update its 1980s appearance. A number of Lumiance InVerto luminaires from Havells Sylvania have helped totally transform the basement space into a modern, stylish and vibrant area.

Paragon Management performed the interior renovations for the project while Londonguild Ltd Electrical Contractors created the lighting design and performed the electrical installation for the whole building. Paragon constructed a new contemporary façade to fit with other area buildings, and renovated the entire internal space.

In the basement, London Guild Contractors installed about 50 Lumiance InVerto luminaires which were wall-mounted, ceiling-mounted and hung as pendants. Londonguild Electrical says that Inverto was perfectly suited to the project because it allows one family of products to be mounted in different positions, colors, and installation formats.

“The basement has a relaxed, fresh feel and we wanted that atmosphere to be reflected in the lighting we selected,” comments Jonathon Boy of Londonguild Ltd Electrical Contractors. “The Lumiance InVerto was ideal because of its contemporary design and various colour and siting options.”

InVerto range comes in four models – direct/indirect, direct, surface mounted, and pendant. An integrated driver, heat sink, driver and components help ensure its sleek form. The standard color options include gloss black, matt white, satin silver and matt rust, but it can be made in all manner of colors for full customization and a truly bespoke interior design.

The North Row installation features gloss orange black versions. Inverto features IP65 compliant construction and can be used in both inside and outside applications. The luminaires have a projected, maintenance-free lifetime of 50,000 hours.

In eight floors of the office space, Londonguild Electrical also installed 400 Concord Officelyte LED luminaires. According to Havell Sylvania, the Officelyte LED meets both the energy performance requirements of Part L2A of the Building Regulations and the workspace lighting quality standards of the newly-published EN 12464-2011.

It features a recess depth of just 95mm and a fully enclosed design. The Officelyte LED Low Profile includes a typical rating of 90 luminaire lumens per circuit watt and up to 100% LOR, making it one of the most efficient luminaires available in its class. The company says that its enclosed design reduces dust ingress and improves Luminance Maintenance Factor (LMF) and its slot in wing design allows quick and simple installation, maintenance and cleaning.

In the bathrooms, 40 of Concord’s Myriad LED luminaries offer reportedly offer far superior luminous flux per watt than low voltage halogen. For decorative lighting, the Lumiance Lumistrip was installed under cupboards in kitchen areas on each floor.

Obama Calls on Mayors to Install LED Streetlights
SSL Design News Staff

January 27, 2015...President Barack Obama called on mayors and local leaders to switch their street lighting to LED-based street lighting. The president hosted 200 Mayors at the White House on Friday during the winter Conference of Mayors meeting, according to a report from CNN.

There are an estimated 530 million high powered lights nationwide including parking lot lights, streetlights, and warehouse lighting, according Hugh Martin, CEO of Sensity Systems, an LED conversion firm. Martin estimates that replacing all of those high-powered lights with LEDs would save $94 billion per year.

In addition to energy savings, the LEDs lights with sensors also offer the opportunity for lighting and infrastructure management. Sensors could turn on and off lights when areas are occupied or when there is movement. The sensors that could be integrated into LED lighting could also help analyze energy usage, occupancy patterns, traffic patterns, weather, and even parking spots.

"Within 10 to 15 years you're going to have all the major cities in the US with LED lights. In that period of time, at least half of them will have advanced systems that gather this sensory information to help the city better manage," Martin predicted.

MLB Team, Seattle Mariners' Safeco Field Lit with LED Luminaires
SSL Design News Staff

January 21, 2015...The Seattle Mariners have installed LED lighting at Safeco Field. PlanLED produced the LED luminaires that the Major Leaque Baseball team used to replace 600 of its high intensity discharge lights. PlanLED has already installed LEDs in several projects including a number of buildings for Boeing and other companies.

Company founder and CEO John Hwang estimates that the luminaires will consume about 60% less electricity than the HID lighting that it replaces. The company has also installed the bright and efficient LED lighting in the Mariner clubhouse. After the new LED lighting was installed, lighting engineers tested the light levels throughout the field. They found that the light levels met or exceeded MLB lighting standards.

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.”

Ontario Rinks Getting LED Lighting with the Help of Scotiabank and Delviro Energy
SSL Design News Staff

January 15, 2015...Scotiabank and Delviro Energy of Toronto have teamed up to upgrade the lighting of 13 community rinks across Ontario. Delviro Energy is a Canadian manufacturer and supplier of LED lighting products.

"Scotiabank is proud to be working with Delviro Energy to offer local community rinks new environmentally-friendly lighting," said Ed Keohane, Scotiabank Senior Vice President of Ontario Region. "This is a special partnership for us as it allows us to combine our support of community hockey with our efforts in supporting sustainable, energy-efficient projects, which we do through our Scotiabank EcoLiving program. The new lights will help the arenas save money by saving energy and reducing the impact on climate change."

Scotiabank has offered $5000 to update the lighting in each location with the new energy efficient Delviro Energy lighting. Scotiabank made the offers to the skating rinks in Toronto at the George Bell Arena, in Stratford at the William Allman Memorial Arena and Stratford Rotary Complex (2 rinks in the complex), in Quinte West at Duncan Macdonald Memorial Gardens, Frankford Arena and Trenton Arena Two, in Georgina at the Ice Palace (two rinks at the arena), in Milton at the Milton Sports Centre (in two rinks) and the Milton Memorial Arena and in Sutton at the Sutton Arena.

The LED lighting is expected to help the arenas reduce energy costs by at at least 75 percent compared to incandescent lighting. The new lighting is also expected to reduce maintenance costs with a projected lifetime of 35 to 50 times as long as incandescent and 2 or 3 times as long as fluorescent. The arenas can expect further money-saving benefits from the reduced cooling costs because LEDs produce very little heat.

"We are excited to work with Scotiabank on this project to help light up community rinks for years to come in a way that benefits the environment," said Pat Morrison, national sales director of Delviro Energy.

Vickers Laboratories Gets LED Lighting from MHA Lighting
LIGHTimes News Staff

January 15, 2015...LED lighting from MHA Lighting has helped Vickers Laboratories Ltd., a leading manufacturer of custom special effects for blockbuster movies, reduce its lighting energy consumption by 73%. Vickers Laboratories Ltd based in Leeds, UK, is a chemical manufacturing facility that produces custom special effects for famous film, TV and theatre production companies. In its laboratories the company created the famous chocolate river in Tim Burton’s Charlie and the Chocolate Factory starring Johnny Depp, and the “ewe’s milk bath” for Charlize Theron to emerge from as the Evil Queen in 2012’s Snow White and the Huntsman.

The chemical manufacturer also supplied variety of goo and gunk for films and TV series that became realistic special effects for scenes in Doctor Who, Clash of the Titans, Sweeny Todd, and Emmerdale.

Vickers Laboratories Ltd also produces the monomer used in the manufacturing process of the latest generation of Silicone-hydrogel contact lenses, sold under the OPTOMER® brand.

To meet the Increasing demands for their products, lab bosses needed to design a specialized manufacturing facility adjacent to the existing site to increase their capacity. High quality and uniform light as well as high color rendering were key design considerations for the new lab to ensure that staff could create their products and perform true color inspection within a well-lit environment.

MHA Lighting's LightStar202 LED luminaires reduced the overall lighting energy consumption in the area. The luminaries also provide an estimated lifetime saving of £8,333. The LED luminaires also improved Lux levels in the lab with the LightStar product providing 500 lux to the work spaces and equipment.

MHA Lighting MD Tom Harrison said, “Our new LightStar luminaire is one of the most ruthlessly efficient products on the market. We believe it is unrivalled in light quality and distribution and energy efficiency. It is also incredibly versatile – allowing the client to select from a range of wattages (15 to 121w) to deliver between 100 to 123 lumens per circuit watt and providing a total lumen output of between 1845 and 12100. Combining this high performance with un-rivalled light distribution from the luminaire enables us to install fewer fittings too, creating a multiplier effect in terms of energy savings and payback periods for clients like Vickers Laboratories Ltd. We are delighted that this has been such a successful project. It has been a pleasure to work alongside the Vickers team in devising a ‘made-to-measure’ lighting scheme for their brand new laboratory.”

The LightStar 202 (Diffused) specified at Vickers Laboratories consumes just 43W (with the ballast). The light engine can also be driven at a range of wattages to increase or decrease light levels. MHA designed its sealed LED lighting units to stop dust and insects from gathering around warm light fittings and ensuring a clean laboratory area, which is essential for the production of materials for medical devices such as contact lenses. The luminaire's 66,000 hour minimum life span means that regular maintenance and bulb replacement are vitally eliminated. MHA says that the lifespan can further be increased to a minimum of 109,000 hours if the driver is replaced at 66,000 hour point.

MHA’s installation includes two occupancy sensors to further maximize lighting energy costs savings.

Steve Foster, Vickers Laboratories Ltd’s Managing Director, said that switching to LED lighting was part of the company’s strategy to improve light levels in their labs while ultimately reducing associated energy costs. Steve commented, “Vickers Laboratories Ltd manufactures production chemicals for some of the biggest pharmaceutical and contact lens companies in the world, so quality assurance is absolutely essential. Complicated chemical processes are required to take place to create these products and so it is imperative that light quality and light uniformity is at the highest standard possible for our precision working. We knew that we needed to source lighting that would not only cut our lighting costs, provide a short payback period and offer long-term energy savings but also wasn’t over-the-top on capital cost. MHA handled the proposal and installation process with great detail and efficiency. We are delighted with the results.”

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.

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