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Holst Centre and imec launch research program on flexible OLED displays
Today, state-of-the-art OLED displays are small and mobile and used in applications such as smart phones and tablet PCs. They are characterized by a strong contrast compared to conventional LCDs due to the fact that OLED pixels emit only when activated, achieving a more intense black. Moreover, OLEDs have a faster response time, eliminating image lag. OLEDs can also consume less power, depending on the usage profile, while providing better contrast and viewing angle than conventional LCDs. OLEDs are also much simpler in design and contain less components compared to LCDs, enabling substantial process cost reductions.
The ambition of the new program is work towards flexible, high-resolution OLED displays. The program will tackle the individual challenges towards the next-generation of OLED displays: a mechanically flexible encapsulation film and TFT backplane; and printed, high-efficiency OLEDs. New materials and processes that allow for cheaper production, better quality, lower power, more robustness and more flexibility will be developed. Moreover, the design of the drivers, pixel circuits and TFT backplane matrix will be reconsidered as increasing display area influences the amount of pixels-per-inch or the refresh rates. Finally the program scope includes the development of new manufacturing equipment such as fine patterning equipment for backplanes and tools for integrated roll-to-roll manufacturing.
Gerwin Gelinck (Holst Centre), Program Manager of the OLED Display Program: "
Holst Centre and its partners continuously look for new application domains for the generic flexible electronic technologies that have been developed. This ensures our research stays tangible, application-oriented and relevant for industry and society. Flexible displays represent an enormous economic and technical opportunity for flat panel manufacturers and its supply chain. As such they are seen as an attractive landing place for many new technologies. Flexible displays are therefore becoming a top priority research effort for many companies worldwide, including many of our current industrial partners."
Paul Heremans (imec), Program Manager of the OLED Display Program: "With this program in mind, we already have been working more and more towards integrating separate building blocks and have realized OLED displays using both organic and metal oxide TFT backplanes. Thin, plastic substrates were used, and the displays were fully encapsulated using our state-of-the-art barrier technology. Part of this was done with other research institutes in a European project called FLAME, but we could really pull this off because of intense collaboration with some of our industrial partners. We will demonstrate some of these display prototypes in 2012."
About Holst Centre
Holst Centre is an independent open-innovation R&D centre that develops generic technologies for Wireless Autonomous Sensor Technologies and for Flexible Electronics. A key feature of Holst Centre is its partnership model with industry and academia around shared roadmaps and programs. It is this kind of cross-fertilization that enables Holst Centre to tune its scientific strategy to industrial needs.
Holst Centre was set up in 2005 by imec (Flanders, Belgium) and TNO (The Netherlands) with support from the Dutch Ministry of Economic Affairs and the Government of Flanders. It is named after Gilles Holst, a Dutch pioneer in Research and Development and first director of Philips Research.
Located on High Tech Campus Eindhoven, Holst Centre benefits from the state-of-the-art on-site facilities. Holst Centre has over 170 employees from 28 nationalities and a commitment from over 30 industrial partners.
More information: www.holstcentre.com
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