OLED100.eu, an integrated research project, has brought together a consortium of experts from leading industry and academic organisations to accelerate the development of organic light-emitting diode (OLED) technologies in Europe. It has received €12.5 million funding from the European Community's Seventh Framework Programme to form the technological basis for efficient OLED applications for the general lighting industry in Europe.
The OLED100.eu programme follows the successful OLLA (Organic LEDs for Lighting Applications) programme, which started in 2004 and concluded earlier this year. OLLA created the basis for organic lighting by developing white OLEDs with efficacies of 50.7 lm/W at an initial brightness of 1000 cd/m2 and with lifetimes well above 10.000 hours.
With OLED100.eu, Europe is continuing to invest in the development of organic lighting technologies and moving to specifications required for general lighting applications. The consortium will focus on five main goals:
• High power efficacy (100 lm/W)
• Long lifetime (100.000 h)
• Large area (100x100 cm2)
• Low-cost (100 Euro/m2)
• Measurement standardisation / application research
"The European Council has agreed to cut at least 20 per cent in CO2 emissions by 2020 and OLED100.eu is an important initiative to advance the development of energy efficient lighting solutions. Building on the success of OLLA, OLED100.eu will deliver OLEDs with twice the efficiency, 10-times the operational lifetime and 10-times the substrate size. The participation of leading lighting manufacturers like Philips and Osram ensures a rapid transfer of any result into real products," says Dr. Stefan Grabowski of Philips Research, project manager of OLED100.eu.
OLEDs are emerging as a compelling candidate to replace conventional lighting systems for large area illumination. Organic LEDs are efficient and generate a diffuse, non-glaring illumination with high color rendering. They are flat, thin, and have the potential to serve as efficient large light sources and can be produced on substrates of basically any shape making them highly appealing for designers, manufacturers and consumers.
Partners in the OLED100.eu consortium include:
- Bartenbach LichtLabor GmbH, Austria
- European Photonics Industry Consortium (EPIC), France
- Evonik Degussa GmbH, Germany
- Fraunhofer Institute for Photonic Microsystems (IPMS), Germany
- Microsharp Corporation Limited, Great Britain
- Novaled AG, Germany
- Océ Technologies B.V., The Netherlands
- OSRAM Opto Semiconductors GmbH, Germany
- Philips Technologie GmbH, Business Center OLED Lighting, Germany
- Philips Technologie GmbH Forschungslaboratorien, Germany
- Physikalisch-Technische Bundesanstalt (PTB), Germany
- Saint-Gobain Recherche S.A., France
- Siemens AG, Germany
- Technische Universität Dresden, Institut für Angewandte Photophysik, Germany
- Universiteit Gent, Belgium
Some experts believe that the future of OLEDs is in displays and not in lighting because recent studies suggest that OLEDs will not convert more than 25 percent of electricity into light rather than heat - at least for the organic polymer studied - pure MEH-PPV - and possibly for others. However, when IDTechEx interviewed Konica Minolta in Japan two weeks ago, they said their joint venture on reel to reel production of OLED lighting will have commercial product in only two years. They have cracked the barrier layer problem with their own technology. If that is true, the Europeans will have some catching up to do. The recently completed OLLA European collaboration on OLED lighting did not even look at flexible versions. For more read Ultrafast computers a step closer but OLED efficiencies look bleak.
For more on OLED lighting read European projects accelerate OLED technology for mainstream lighting and OLEDs - The future of architectural lighting, A major milestone - white OLED technology exceeds 100 lm/W.
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