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Philadelphia and Danvers, Mass. – At LIGHTFAIR® International 2013, North American lighting leader OSRAM SYLVANIA is showcasing the latest Organic Light Emitting Diodes (OLED) technology including a ‘Rollercoaster’ designer luminaire from OSRAM featuring transparent OLEDs. The 'luminous glass panels' will be the first choice in the future for transparent light designs for OSRAM. Also on display will be ORBEOS™ OLED Systems, which consist of extremely thin, lightweight, glare-free OLED light sources and a dedicated driver. OSRAM SYLVANIA will be demonstrating these and a full portfolio of solid state and traditional lighting solutions, controls and systems at Booth #1001 at LIGHTFAIR® International 2013, the world’s largest annual architectural and commercial lighting trade show and conference.
OLEDs, as with LEDs, are semiconductors that convert electric current to light. While LEDs emit point light from a tiny luminous chip, OLED panels are luminous surfaces produced by vaporizing various organic plastics onto a substrate material. The luminous layer of an OLED is approximately 400 nanometers thick, corresponding to one hundredth of a human hair. Dependent on the base material, OLEDs appear reflective, neutral white or transparent when in an off-state.
ORBEOS OLED SystemsAvailable in round, square and rectangular form factors, ORBEOS OLED Systems are wafer-thin 2mm LED light sources that create opportunities for unique luminaire designs. Ideal for decorative, architectural, mood and task lighting, these cutting-edge light sources emit up to 40 lumens per watt of light at a color temperature of 3300K and have a rated life of 10,000 hours (L70). Easy installation options include solder or pin connectors. With specially designed OPTOTRONIC® DALI dimmable constant current OLED drivers, ORBEOS OLEDs ensure a highly efficient system for a luminaire, making them an extremely attractive lighting solution for OEMs.
'Rollercoaster' Luminaire Demonstrates Industry Maturity of Transparent OLEDThe ‘Rollercoaster’ luminaire has the appearance of a glass and metal sculpture in its off-state and is transformed into a luminous element of design when illuminated, reminiscent of a rollercoaster with its moebius form. The 30 wide-area light sources within the luminaire were developed as part of the TOPAS2012 research project supported by the German Federal Ministry of Education and Research, and each has a luminous surface of 18 x 6.5 centimeters. Efficiency of 20 lumens per watt with a transmission ('transparency') of 57 percent was achieved for the first time for transparent OLEDs of this size. The OLEDs have no visible conducting path and feature secure encapsulation, until now a deficiency with the transparent light source. New is the possibility of defining a specific light distribution side with the transparent OLEDs featuring distribution on both sides. In the one direction, the light merely has a decorative function as it is weaker, but in the other it can be used functionally for purposes of illumination. With this feature, OLEDs combine the photometric benefits of both direct and indirect lighting. Panels and the luminaire itself were developed at the OSRAM location in Regensburg, Germany.
OLEDs are expected to be the primary choice for transparent, wide-area light sources in the future, because in contrast to LED, they emit diffuse light directly, so that efficiency losses from the conversion of point sources to ambient light no longer occur. In addition, OLEDs are not dim but absolutely brilliant and clear. They create room partitions that when switched off are similar to transparent glass, and when turned on, light up opaquely. Mosaic windows that radiate without sunlight in the background also become possible. Another option might also be a luminous car canopy.
"After achieving a record with temperature stability, we're certainly pleased about this additional success important to our research and product development," said Ulrich Eisele, responsible for the OLED sector at OSRAM. Building on the success of the TOPAS2012 project, the Federal Ministry of Education and Research funded project GENESIS aims to address the scaling up of manufacturing compliant processes and substrate sizes. To lower cost compared to earlier processes, glass substrates from Saint-Gobain are used based on the new Silverduct technology, which was initially developed on small scale within the project CombOLED, funded by the European Commission.
For more information about innovative lighting solutions from OSRAM SYLVANIA, please go to www.sylvania.com/lightfair or visit Booth #1001 at LIGHTFAIR International 2013, April 23-25, 2013 at the Pennsylvania Convention Center in Philadelphia, Pennsylvania.
About OSRAM SYLVANIAOSRAM SYLVANIA is a leader in lighting solutions and services, specializing in innovative design and energy saving technology. The company sells products for homes, businesses and vehicles primarily under the SYLVANIA brand name, and also under the OSRAM brand. Headquartered in Danvers, Mass., OSRAM SYLVANIA is the North American operation of OSRAM GmbH. For more information, visit www.sylvania.com or follow us on Facebook and Twitter.
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