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Roll-to-roll processing for OLED-based signage and lighting applications

: Ruppel, L.; Mogck, S.; May, C.

IWFPE 2009, International Workshop on Flexible & Printable Electronics : Programs / Abstracts / Exhibition, 18 - 19 November 2009 in Muju-Resort, Jeollabuk-do, Korea
Seoul, 2009
International Workshop on Flexible & Printable Electronics (IWFPE) <2009, Muju/Korea>
Conference Paper
Fraunhofer IPMS ()

A novel approach has been started to establish a highly efficient small molecule OLED stack deposition on flexible substrates in a roll-to-roll vacuum process. Low cost metal foils as substrates for OLED deposition will allow a major cost reduction, leading to a competitive processing for signage and lighting applications.
The talk presents first results on OLED roll-to-roll fabrication and discusses technological challenges as substrate roughness, substrate patterning, small molecule organic layer deposition and encapsulation.