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Editorial: LEDs Opening New Doors for the Science of Light
 
... It's really incredible to realize that light has been a subject of intense scientific curiosity for hundreds of years, but we still don't know many of it's secrets. Not that it's all that surprising, in the sense that we had sand for millions of years, and only learned how...
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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.


Osram Continues Restructing with Planned 7,800 Layoffs Due to Traditional Lighting Business Decline
LIGHTimes News Staff

July 31, 2014...Osram's substantial gains with LED-based products in the third quarter of the fiscal year 2014, nearly offset the considerable shrinkage of its traditional general illumination business. The company's revenue dropped somewhat by one percent year-on-year to about €1.2 billion. Osram's LED-based products business, posted a revenue increase of 21 percent in the third quarter for 38 percent of consolidated group revenue.

The company announced measures to improve the competitiveness of its operating units. Osram says it plans on eliminating 7,800 positions globally over the next three fiscal years. The staff elimination will reportedly include about 1,700 domestic positions and around 6,100 international positions. As part of the previously announced second phase of the OSRAM effort, the company now plans to begin further process improvements and adjust the company business structure after consulting employee representatives.

Osram began the first stage its restructuring in 2012. The company says that all measures for the first stage of its restructuring are being implemented or have been completed. At the end of the third quarter, the cumulated gross savings from these efforts totaled to aproximately €760 million, including €118 million from the recent quarter.

During the second stage of the restructuring Osram indicated that it will greatly reduce the production capacities of traditional lighting products and will reduce its staff accordingly. In total, the company intends the measures to lead to a permanent cost reduction of about €260 million until the end of the fiscal year 2017. Osram expects the gross costs to amount to about €450 million in the same period.

Osram Opto Semiconductor's, the company's opto semiconductor business segment posted a 5 percent revenue increase over the same period a year ago. About €5 million of the improvement comes from the business segment's recent licensing agreement.

Osram's Automotive Lighting and Display/Optics units, continued to experience rising demand in the automotive segment to achieve a comparable revenue increase of ten percent. About 33 percent of total revenue in the segment came from LEDs. The LED Lamps & Systems (LLS) reporting segment that covers the business with LED lamps, light engines as well as LED drivers posted comparable revenue growth of 68 percent in the third quarter due to the fast-growing LED demand.

The Luminaires & Solutions (LS) reporting segment, which is comprised of luminaires for professional customers, products for consumers, in addition to the service and solutions business, recorded a sales decline of 13 percent in the third quarter because of the reorganization of the service business in North America. However, strong growth of LED-based luminaires segment the luminaires business posted a comparable revenue increase.

“While earnings continue to develop nicely, the growing market acceptance of LED technology is, as already announced, causing a significantly faster decline of the traditional business,” said Wolfgang Dehen, CEO of OSRAM Licht AG. “We will successfully complete the first stage of OSRAM Push shortly. However, we have always stressed that the transformation of the lighting market will also continue after 2014 and that it will require additional capacity adjustments. Against the backdrop of the latest developments, additional measures are now necessary to safeguard our position as a leading lighting manufacturer in the long term. We need to be even closer to the customer, further strengthen the entrepreneurship of our segments and at the same time create cost structures that are appropriate to the size of the company, but also to that of its individual businesses.”

Seoul Semiconductor Files Patent Infringement Complaints Against Curtis International and Craig Electronics
LIGHTimes News Staff

July 29, 2014...On July 22, 2014 in Florida Southern Court, U.S., Seoul Semiconductor (SSC) filed a LED TV patent infringement lawsuit against Curtis International, a Canadian consumer electronics company, according to numerous legal publications. Seoul Semiconductor filed a separate, but related lawsuit against Craig Electronics Inc.

Both of Seoul Semiconductor's complaints allege that the defendant companies have infringed U.S. Patent Nos. 6,007,209, 6,473,554, 6,942,731, 7,572,653, 7,964,943, 8,314,440. The lawsuit (1:14-cv-22729-CMA) alleges that Curtis International. has been manufacturing and selling TV products infringing the above listed patents in the Florida Southern district. The lawsuit, (1:14-cv-22728-RNS) alleges that Craigs Electronics has been selling and distributing infringing products.

XL Video Provides LED Video Display Wall for Volvo Roadshow
LIGHTimes News Staff

July 29, 2014...The Volvo V40 promotional roadshow is currently being held at some of the UK's largest shopping malls. XL Video has supplied an LED video wall for the roadshow. XL Video worked with marketing agency Arnold KLP and creative production agency DesignScene on the roadshow, which runs through July. The show took place at the Bullring in Birmingham, Metro Centre in Gateshead, Cabot Circus in Bristol and finished up at the Silverburn in Glasgow.

Shoppers could sit inside a Volvo V40 R Design display car, and an array of touch-screen tablets gave an interactive quiz. XL Video's 5m x 3m Barco NX6 LED wall displayed advertisements about the V40 model and Volvo's current "Swedish Adventure" contest.

Jacqueline Rice, XL's Project Manager, collaborated with Attila Keskin of Design Scene to suggest a suitable LED wall for the project. The venues included a combination of both natural daylight and indoor mall lighting. A team of XL's crew, Steven Grinceri, Fabrizio Di Lelio, John Brandon, Tim Bolland, Connor Jennings, Rob Smith, and Marcus Wareham installed and maintained the screen.

Jacqueline Rice commented, "Each venue brought its own challenges, such as being under a glass roof on the hottest day of the year, but by working together solutions were found and the displays gained lots of positive attention from the public."

LEDs and Fixtures Brighten the Chemical Materials Market
LIGHTimes News Staff

July 24, 2014...LEDs are quickly replacing older, less durable and energy-efficient lighting technologies worldwide. Market research company, Frost & Sullivan says that because chemicals and materials are required at all stages of the LED fixture's manufacturing process, chemical companies will be an important factor in the future success of the LED industry.

Frost & Sullivan predicts that revenue growth in chemicals demand will be ahead of growth in the LED industry itself. The company projects that the LED materials market, which had revenues of $5.01 billion in 2013, will increase to $11.71 billion in 2018. Frost & Sullivan examined applications for chemicals through chip fabrication, packaging, module construction, and fixture assembly.

The company points out that historically, demand for LEDs in applications including display backlighting has driven growth in chemicals demand for LED applications. However, Frost & Sullivan says that this market is now relatively mature, and the company predicts that the demand from the general lighting sector will dominate future growth. According to the company, of the four tiers of the value chain involved in manufacturing LEDs, the greatest need for chemicals will come from the final stage, assembling the fixture.

"While prices of LEDs are falling at all stages of the value chain, price pressure is particularly strong in the packaging stage," noted Frost & Sullivan Performance Materials Industry Principal Brian Balmer. "As a result, chemical companies that offer innovative products enabling cost savings for LED manufacturers will be well-positioned to succeed."

The company indicated that unlike traditional lighting, LED light sources do not have to be designed around a replaceable bulb. For this reason, the company expects that innovative designs and material options will create opportunities that did not exist with previous lighting technologies.

"Chemical companies, therefore, need to partner with fixture manufacturers to help them understand how chemicals and materials can be used to design the LED fixtures of the future," said Balmer.

While, the company says that the packaging tier has some of the greatest requirements for innovation from chemical companies, this tier is reportedly under the greatest pressure to reduce prices

Frost & Sullivan noted in a summary of their recent report, "While some market segments, especially phosphors, have large barriers to entry, others offer opportunities for new entrants to the market." Further, the company says that more an more lighting OEMs are looking to produce their own chemicals in-house to be more competitive.

In the chip stage, CVD precursors have the majority of the material market value. The majority of the package material market value is in phosphors. The largest portion of the module material market is for thermal interface materials. In the fixture stage, plastics for secondary optics are the largest part of the material market.

China Star Optoelectronics Commences Trial Production of AMOLED Panels

July 24, 2014...CSOT has begun trial production of AMOLED panels, according to Digitimes. The company expects to mass produce AMOLED panels for display applications by 2016. The company plans to have a total of 10 overall AMOLED production lines in China that will go into production or have already begun production from 2014-2016. China Star Optoelectronics Technology (CSOT) has become the largest supplier of 32-inch AMOLED panels worldwide. The company has also established a joint venture with the government of Wuhan, China, to sell small-to-medium-sized AMOLED panels using the joint venture's 6G LTPS/AMOLED production lines. Digitimes notes that China makers of AMOLED panels continue to receive financial assistance both from the central government in China as well as from many local governments to develop AMOLED panel production facilities. Digitimes Research says that despite government incentives, AMOLED panel makers will face high production costs and low yields causing less competitive pricing compared to TFT LCD technology in the short term.

GE Develops Special Phosphor that Improves Color and Sharpness of LED Backlit Displays
LIGHTimes News Staff

July 24, 2014...GE reported a breakthrough that it said can greatly improve the color and contrast of images displayed on LED devices. Scientists at GE Lighting and GE Global Research have developed a phosphor powder that, when packaged inside an LED, greatly increases the picture quality of LED electronics. GE's patented solution involves adding potassium fluorosilicate (PFS) doped with manganese to add red emission to LEDs. GE claims that the addition of red light makes the LED light sharper, cleaner, and truer than the nitride phosphor resulting in less color bleed and a richer picture.

Anant Setlur, a materials scientist in charge of the the phosphors development at GE Global Research, said, "Backlit displays consist of an array of LEDs fed into a waveguide to filter out red, green, and blue. In most of the devices you see on the market today, the red component in the LED is low quality, causing greens to look yellowish; this negatively impacts the overall picture quality. What we've achieved here allows for more natural color in consumer electronics. The difference in picture quality is stunning."

GE Ventures has licensed the patents for the technology to Sharp and Nichia. Both Sharp and Nichia are manufacturing and packaging LEDs that contain PFS phosphor material for use as LED backlights in LCD display products. Already, several display companies have launched tablets and smartphones containing LED devices supplied from these licensees.

Mike Petracci, General Manager of Licensing, GE Ventures, said, "Sharp and Nichia are world-class leaders in the design and sale of LEDs, and we are pleased to bring this breakthrough to market."

Jacksonville Jaguars to Unveil Largest Ever HD Video Displays
LIGHTimes News Staff

July 22, 2014...On July 26th, 35.5 million LEDs in an enormous HD LED video display will light up EverBank Field, the home of the Jacksonville Jaguars, in Jacksonville, Florida. During the game, the world's largest HD LED video display will be unveilled. EverBank Field will host a soccer match between Fulham F.C. and D.C. United followed by a concert by country music star Carrie Underwood.

"The Jaguars have done a great job in preparing an exciting unveiling event for the world's largest video displays," Daktronics vice president of live events Jay Parker said. "These displays will set a precedent in professional venues in terms of the fan experience and what can be witnessed by going to the stadium. The team can show a never before seen combination of content with essentially three huge HD screens on one massive LED display. It's going to be amazing when they fire them up to host their first home football game."

The two massive end zone displays featuring a 13HD pixel layout will each measure 60 feet high by 362 feet wide. Each display with more than 21,700 square feet of digital canvas is longer than a football field and can feature three full-size HD windows for maximum versatility during any event. Three sections of 60 feet high by 106 feet wide provide enough real display space and allow an extra 44-foot-wide buffer space for additional graphics, statistics and other content.

The 13HD technology was selected for numerous reasons, especially its high brightness that helps overcome the direct Florida sunlight. The displays boast high contrast and wide viewing angles.

Natick Examines the Effects of Shelter Lighting on Soldier Thinking, Mood
LIGHTimes News Staff

July 22, 2014...Researchers at the Natick Soldier Research, Development and Engineering Center, or NSRDEC, are examining the effects of various types of lighting in military shelters on soldiers. The Natick Soldier Research, Development and Engineering Center is part of the U.S. Army Research, Development and Engineering Command that aims to create technology and engineering solutions for American soldiers.

NSRDEC's Cognitive Science Team are investigating the effect of lighting on the ability to perform tasks, visual acuity, mood, or affective state, and cognitive alertness/awareness. The team is comparing traditional fluorescent lighting and newer LED lighting at varying color temperatures ranging from low-color temperatures of yellow and red tinted white light to high-color temperatures of bluish white. Twenty-four volunteers, soldiers between 18 and 31 years of age, participated in the five-day study,

"This study is important because it is the first study that has considered the tradeoff between the differences in cost between the lighting technologies and the impact of the lighting on Soldier mood and performance," Dr. Caroline Mahoney, leader of the Cognitive Science Team, said.

"There is a ton of past research on what lighting can do to humans," Breanne Hawes, lead researcher on the project and member of the cognitive science team said. "It can affect how sleepy you are, your sleeping patterns, or how productive you are. But this has rarely been studied as a military application."

"The ultimate aim of the project is to develop efficient spaces that promote well-being," said Hawes. "We were thinking of Soldiers in tents doing mission planning. This is where they setup their maps and have their meetings in shelters, and we wanted to see how the lighting would affect that especially, among other things."

Dr. Mahoney pointed out that one of the team's goals is to help shape technology and material development. On this study, the Cognitive Science Team collaborated with the Shelters Team and the Special Projects Team.

"This (study) was about helping material/product developers and designers make decisions about the technology," said Hawes. "We were trying to analyze different lighting systems. Currently, all the tents use fluorescent lighting, and (the Shelters Team and the Special Projects Team members) were trying to analyze three LED systems, which are newer lighting technologies. They were analyzing them based on technological differences, such as how long they last and how easy they are to set up. So the goal for our project was to tie in how (the lighting choice) is actually affecting the people sitting under the lighting, how is it affecting the Soldiers."

Mahoney said, "Ultimately, we want to provide information to predict a Soldier's abilities in a given context, keep them safe, and optimize performance."

Compared with fluorescent lighting, the NSRDEC researchers found that LED lighting in a work environment seems to promote a positive mood, increased alertness, and faster performance on cognitive and visual perception tasks. The researchers found that soldiers working in fluorescent lighting tended to be more fatigued, less alert, and more depressed over time. Soldiers under fluorescent lighting also tended to have slower response times on cognitive tasks that measured verbal and spatial memory.

"It's important to consider how we can make things so they can perform their best and help ensure their well-being," Hawes said.

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