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OLED manufacturing for large area lighting applications

: Eritt, M.; May, C.; Leo, K.; Törker, M.; Radehaus, C.


Thin solid films 518 (2010), No.11, pp.3042-3045
ISSN: 0040-6090
International Symposium on Transparent Oxide Thin Films for Electronics and Optics (TOEO) <6, 2009, Tokyo>
Journal Article, Conference Paper
Fraunhofer IPMS ()
OLED; indium tin oxide (ITO); vacuum thermal evaporation

We present first results of a new developed large area manufacturing system for organic light-emitting diodes (OLED) dedicated to lighting and signage applications The system combines high throughput with flexibility in production at highly-precise deposition conditions After introducing the system with its modules, first results for organic and metal layer deposition properties are shown Next orange/red p-i-n type OLED samples are prepared on large ITO substrates and the characterization by luminance and current measurements are presented The devices achieve very high efficiencies up to 31 cd/A on large area substrates which are comparable to devices on smaller substrates.