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Editorial: The Dream Bulb That LEDs Will Enable
 
... As a result of a midnight premier of Star Trek - Into Darkness last night (this morning, technically), the forward-looking technology thoughts are flowing judiciously. Apparently I walked into the conclusion of the discussion on when and where the movie was happening, only to catch the part where I...
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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.


AMOLED Displays to Have Major Influence on Consumer Electronics, According to Samsung Display CEO Kinam Kim
LiGHTimes News Staff

May 23, 2013...Kinam Kim, CEO of Samsung Display, delivered the keynote speech on "Display and Innovation" to attendees at the Society for Information Display's Display Week 2013 in the Vancouver Convention Center. Kim stated, "In the cloud computing era, AMOLED displays are most likely to have the greatest amount of influence on innovation in smart devices."

Mr. Kim said that the future of displays will change considerably. He said that AMOLED (Active Matrix Organic Light Emitting Diode) display technology will give a virtually infinite number of imaging possibilities.

Mr. Kim emphasized that three evolving “environments” will likely make displays the central focus of the increasingly pervasive use of electronic devices.

The first environment is the spread of cloud computing. The cloud computing environment, gives electronic networked devices to infinitely extend their ability to processing and store data. Thus, users everywhere, can easily enjoy content that only highly advanced devices can fully process today, including ultra HD (3840 x 2160) images and 3D games. Higher levels of display technology will be required to support our increasing reliance on the cloud.

Kim indicated that the second environment is the accelerating evolution of high-speed networks. By 2015, the velocity of 4G LTE will rise to 3 gigabits per second (Gbps), so the transmission time for a two-hour UHD-resolution movie will be under 35 seconds. Mr. Kim said, “As image quality of video content improves, larger and even more vibrant displays will emerge as a key differentiating point in mobile devices.”

The third environment, according to Mr. Kim, is the spread of connectivity among electronic devices. He said that the exploding prevalence devices connected to WiFi networks will usher in the N-Screen era. He predicted that a massive network environment will be established by connecting not only smartphones and tablet PCs but also automobiles, home appliances and wearable computing devices. Due to this explosion in “data flow,” there will be a huge surge of interest in touch-enabled displays.

Mr. Kim said that the innovative advantages of AMOLED technology will allow consumers to realize more possibilities in electronic convenience than we might have ever imagined.

Mr. Kim noted that AMOLED displays have superior color and can embody true colors closest to natural colors with their color space 1.4 times broader than that of LCD displays. He said that by supporting nearly 100% of the Adobe RGB color space, AMOLED displays will expand the range of displays well suited to printed media, where specialized color is frequently required.

A second advantage of AMOLED displays, according to Kim is its flexibility and transparency. AMOLED displays can reportedly be made foldable and rollable, curved, or transparent. In addition, they are lighter weight than other display technologies.

The third advantage of AMOLED displays will be their responsiveness to touch and sensors. Using Samsung’s new Diamond Pixel™ technology, which has been optimized for the human retina, AMOLED displays can now depict natural colors and images with super high resolution.

Mr. Kim went on to say that display applications, with advantages of AMOLED technology, will rapidly spread throughout other business sectors like the automotive, publishing, bio-genetic and building industries.

Mr. Kim forecasts that in the automotive business, AMOLED displays will replace conventional glass and mirrors that have been used for digital mirrors and head-up displays. He said that AMOLED display panels also will be used for watch displays and for products in the fashion and health care market sectors.

Further, Mr. Kim contends that in publication and building, AMOLED displays will set the trend for the building market sector with AMOLED architectural displays in and outside buildings being used as highly desirable decorative and information-delivering products.

Mr. Kim expressed confidence that "The display market is unlimited in the amount of growth that it can achieve, as technical innovation continues to accelerate.” He added that "Samsung Display will play a leading role in the global display industry, as the display company possessing the most advanced AMOLED technology."

Dongguan University and Tsinghua University to Research LED-based Wireless Optical Communication with Resources of Kingsun
LiGHTimes News Staff

May 21, 2013...Dongguan and Tsinghua University in China, signed three cooperation agreements on May 14th, including agreements to produce Dongguan Tsinghua innovation center, and the Dongguan Qingxi scientific & technological industry innovation park. Also they agreed to cooperate on LED-based wireless optical communication projects.

Both signed the agreement titled, “Further Cooperation Memorandum of Scientific Research in the Field of Optical Communication”. They will collaborate long-term in scientific research and product R&D to develop optical communication using LEDs. Tsinghua University will reportedly have access to the resources of Kingsun such as hardware, R&D platform. Using its software and hardware platform, Kingsun says it will provide an opportunity and place for teacher and students to practice. 

Samsung Showcases Displays at Display Week 2013
LiGHTimes News Staff

May 21, 2013...Samsung Display, of Seoul Korea, is showcasing several technologies and mobile to extra-large-sized display prototypes at the Society for Information Display’s Display Week 2013, May 21-23, 2013, in the Vancouver Convention Centre (Booth 700). These include a Full HD (1920×1080) mobile AMOLED display with the what the company claims to be the broadest color gamut, and an 85-inch Ultra HD (3840×2160) LCD TV panel with extremely vivid color and low power consumption.

Samsung Display also debuted a new Diamond Pixel™ technology and a featured LCD technology that enables local-dimming control in direct LED-based LCD panels.

The company says that it has created the first mass-produced 4.99-inch Full HD mobile AMOLED display. Samsung Display claims that the AMOLED display offers the broadest color gamut with a 94 percent average rate of reproduction for the Adobe RGB color space. The Adobe RGB standard is about 30 percent broader than general sRGB standards.

The AMOLED display uses the company's Diamond Pixel™ technology, which is based on the idea that the human retina reacts more to green than other colors. Therefore the technology places more green than red and blue pixels in the pixel structure of AMOLED display panels.

With the new technology, Samsung's Full HD AMOLED display can provide text messages 2.2 times clearer than HD (1280×720) displays. So, when curvilinear letters on the panel are magnified two or three times, Samsung’s Diamond Pixel™ technology enables text to be reproduced more smoothly (fewer “jaggies”) and accurately than those produced with conventional LCD technology.

Samsung Display is also providing Display Week participants with firsthand experience comparing the color gamut, color accuracy and letter quality of Full HD AMOLED displays in a special “experience zone” within its booth. The booth will provide a clear comparison between AMOLED and LCD displays. Attendees can see not only true crisp colors in the intricate wing pattern of morpho butterfly images, but can also view an image of a strand of knitting wool so detailed that it can only be appreciated using a Full HD AMOLED display.

Furthermore, Samsung Display's exhibit of an 85-inch ultra HD TV panel showcases a LCD technology that enables local-dimming control in a direct LED-based LCD panel. The panel can save 30 percent of typical LED BLU power consumption. Its local-dimming control enables vivid color rendering including incredible black images, 80 percent brightness uniformity, and a remarkably-enhanced contrast ratio.

Samsung Display highlighted advanced power-saving solutions for smart mobile devices including smartphones and tablets. Samsung says its Full HD AMOLED displays provide a 25 percent power-savings over that of existing HD AMOLED displays because of the efficacy of the AMOLEDs.

Samsung Display is also exhibiting a 10.1-inch WQXGA (2560 x 1600) LCD for tablets and a 13.3-inch WQXGA+ (3200 x 1800) LCD for notebooks. Samsung says that each can deliver 30 percent greater power-savings than that of existing LCD tablet displays, by decreasing the number of driver circuits and increasing the efficiency of the LED BLU.

Also, Samsung unveiling a 23-inch multi-touch LCD display that can detect 10 touch points simultaneously. The prototype enables playing of the piano, or drawing a highly detailed picture on a monitor or a tablet.

Permlight® Introduces X2 Technology for Sign Lighting
LiGHTimes News Staff

May 21, 2013...Permlight® of Tustin, California USA, a provider of LED lighting and signage solutions, unveiled its X2 Technology (patent pending). The X2 Technology is a product of the Permlight for Signs™ brand that serves illuminated sign manufacturers. The technology alternates power between two sets of LEDs to create a sign that is consistently brighter and completely illuminated for twice as long as currently available technology. The deceptively simple design along with its bi-stable drive system is patent pending and comes with a 10 year warranty.

The technology is also applied to the company's Nitro and El Plato, two of the company's most popular signage products for channel letters. The company claims that the X2 Technology doubles LED lifetime, increasing it from 5 years to 10 years, virtually eliminating the hassle of replacing LED modules in channel letters.

eMagin Claims Brightest Full Color OLED Microdisplay
LIGHTimes News Staff

May 16, 2013...Bellvue, Washington-based eMagin claims to have developed the world’s brightest family of lower power sipping and full color organic light emitting diode (OLED) microdisplays. eMagin contends that the luminance of its Color OLED-XLSTM, at 1000 nits, is four times brighter than the current industry standard.

The company says that the new display requires just half the power compared to the company’s current color displays of the same brightness,. It is fully compatible with eMagin’s entire VGA, SVGA, XGA, SXGA and WUXGA product line.

The company's display technology enables optical solutions for head-mounted display applications requiring full color including: augmented vision/reality products used in simulation & training devices, and medical, maintenance and process-control ‘see-through’ data glasses and safety goggles.

eMagin will be demonstrating the Color OLED-XLS for the first time at next week’s Society for Information Display being held at the Vancouver Convention Center. Engineering samples are available immediately with fully qualified production units expected by the fourth quarter 2013.

“Our clients have been asking us to push the known limits in order to create more versatile color microdisplays that are both visible in bright environments and power efficient. We have met and surpassed both requirements with the development of the Color OLED-XLS,” said Andrew G. Sculley, president and CEO of eMagin Corporation. “This technology will enable indoor and outdoor augmented reality headsets for commercial, military and industrial use. We are well on the way to OLED microdisplays that can be even brighter for aircraft heads-up displays and consumer data glasses.”

Daktronics Video Display System Installed at Veterans Memorial Stadium in Cedar Rapids
LIGHTimes News Staff

May 15, 2013...Daktronics of Brookings, South Dakota USA, has designed, manufactured and installed an integrated LED video display system for the City of Cedar Rapids, Iowa. The display was installed at the home field of the Cedar Rapids Kernels, Veterans Memorial Stadium. The stadium is a 5,300 capacity facility that opened in 2002, replacing the original Veterans Memorial Stadium built in 1949.

“The Kernels have been very pleased through the entire process with Daktronics,” said Andrew Pantini, communications manager for the Kernels. “Installation, training and the technical support that was needed allowed the Kernels to be up and running in a short period of time. We have achieved the 'WOW' factor we were looking for under a very tight installation and training schedule. The display is amazing even in bright, direct sunlight."

The new display, which measures approximately 30 feet high by 48 feet wide, features a 15 millimeter pixel layout. It incorporates excellent image clarity and contrast, multiple levels of protection from the elements and a robust cabinet design.

The display can show one large image to highlight live video and instant replays, and can also be divided into separate windows to show a variety of vivid graphics, colorful animations, up-to-the-minute statistics, scoring information and sponsor advertisements, all with what the company describes as outstanding brightness and wide-angle visibility.

Daktronics DakStats® software is included with the installation for managing game, season and career statistics. It delivers and tracks statistics and provides in-depth statistical reports for all levels of play, from high school to professional. Daktronics’ contends that its national statistical leader board is a valuable product that no other company offers.

“The City of Cedar Rapids and the Cedar Rapids Kernels have been a long-time partner of Daktronics and we are excited about the opportunity to continue our partnership with this new display installation,” said Matt Warnke, Daktronics sales representative. “The new 15HD display provides an even greater fan experience for fans of the Kernels and Veterans Memorial Stadium.”

Daktronics boasts that its LED video and messaging display technology offers a long lifetime with minimal maintenance and low power consumption, providing value and excitement for years to come.

Osram Opto Semiconductors Joins Project to Improve Functionality of Adaptive Forward Lighting Headlamps
LIGHTimes News Staff

May 14, 2013...Osram Opto Semiconductors is coordinating a project to develop the framework for adaptive forward lighting headlamps. The joint project, which is part of the “Photonics Research Germany” program, is in the “Integrated Microphotonics” Field of the German Federal Ministry of Education and Research (FMER).The goal of the project is to develop develop the technical framework for a new class of energy-efficient LED headlamps with supplementary traffic safety functions.

Adaptive forward lighting, which is glare-free camera-controlled headlamps that react instantly, will help drivers even more in the future thanks to additional intelligent functions. This functionality requires the integration of microelectronics and optoelectronics. Osram is contributing its expertise as the project coordinator and market leader in LED lighting for the automotive sector.

This framework can provide the basis for adaptive forward lighting systems (AFS) that will offer drivers and passengers increased safety. The design of adaptive lighting will come for example from glare-free high-beam, and low-beam that adapts to the speed of the vehicle. At high speed the range of the light is automatically increased. In city traffic, a wider distribution of the light can help illuminate more of the sidewalk and margins. These functions will be fully electronic so there is no need for mechanical actuators.

Osram’s Specialty Lighting division will be developing new electronic control gear for controlling the LED headlamp system. The Fraunhofer Institute for Reliability and Microintegration (IZM) is contributing its expertise in interconnection technology and materials, and Infineon Technologies is offering its experience in automotive electronics and LED drivers. The automotive industry supplier and lighting specialist HELLA KGaA Hueck & Co. will develop the entire optical system for the LED module and the headlamps, and will build prototypes. Daimler, an engineering company in the automotive sector, will carry out the vehicle tests.

Project coordinator Stefan Grötsch is responsible for LED applications in automotive lighting at Osram Opto Semiconductors. Grötsch said, “We have brought together major-league players in their respective sectors, assembling a wealth of expertise for this pioneering project around one table.” The project is being sponsored by the German Federal Ministry of Education and Research (FMER) under reference number 13N12510 and is scheduled to run from February 1, 2013 to January 31, 2016.

Larson Electronics Releases 120 Watt 365NM Ultraviolet LED Light for UV Curing Applications
LIGHTimes News Staff

May 9, 2013...Larson Electronics has released the LEDLB-24E-UV-365NM ultraviolet LED light for curing applications. According to the company, the compact UV light is designed to provide a cost effective alternative to 400 watt UV bulbs used for curing coatings and primer.

The LEDLB-24E-UV-365NM ultraviolet LED light bar from Larson Electronics’ Magnalight.com reportedly combines high intensity with an IP68 rating that makes the UV LED light bar waterproof to three meters. It produces an ultraviolet light beam with a peak of 365 nanometer wavelength. This ultraviolet emitter features twenty-four five watt UV LED emitters producing 12.5 mW/cm2 each when measured at 12”. The UV LED emitters are paired with high purity optics to produce a wide spreading flood beam or a tightly focused spot beam.

The company says that the LEDLB-24E-UV-365NM can effectively cure objects as its 400 watt metal halide counterpart, without producing heat and while using third of the amp draw. These light bars operate on low voltage direct current and can utilize voltages ranging from 9 to 48VDC without the need for a transformer, making them ideal for use with vehicles and automotive batteries that commonly provide 12 or 24 volt DC power. This can enable cordless paint curing systems.

Alternatively, Larson Electronics provides AC to DC transformers, enabling operators to power this light from any 120-277V AC power source. The housings are constructed of extruded aluminum, and an unbreakable polycarbonate lens gives these light bars unparalleled durability and the strength to withstand rugged use that would destroy typical gas burning lamps. These ultraviolet lights have a 50,000 hour operational life.

"The LEDLB-24E-UV-365NM ultraviolet LED curing light is a direct replacement for traditional 400 watt UV curing lamps,” said Robert Bresnahan of Larson Electronics’ Magnalight.com. “This UV light can be used with vehicle body repair, tank coatings, aerospace, powder coating, and any applications that utilize ultraviolet curable products. The beauty of this compact ultraviolet emitted is it produces no heat, resulting in longer exposure times without risking overheating from the lamps. Combined with a 50,000 hour life span and no warm-up times, this ultraviolet LED light is a must have for all curing applications.”

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