High-Efficiency Soft-Contact-Laminated Polymer Light-Emitting Devices with Patterned Electrodes

Organic light‐emitting devices (OLEDs) formed by soft‐contact lamination (ScL) show high luminous efficiency (∼ 2.25 cd A–1 with a Au electrode) and better operational stability than similar devices fabricated by thermal evaporation. The laminated electrodes consist of thin films of Au supported by...

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Bibliographic Details
Published in:Advanced materials (Weinheim) 2004-11, Vol.16 (22), p.2040-2045
Main Authors: Lee, T.-W., Zaumseil, J., Kim, S. H., Hsu, J. W. P.
Format: Article
Language:English
Subjects:
4-ethylenedioxythiophene) (PEDOT
Charge injection
Electroluminescence
Microcontact printing (μCP)
Poly
Poly(3,4‐ethylenedioxythiophene) (PEDOT)
Poly(p-phenylenevinylene)s (PPVs)
Polystyrene sulfonated acid (PSS)
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Summary:Organic light‐emitting devices (OLEDs) formed by soft‐contact lamination (ScL) show high luminous efficiency (∼ 2.25 cd A–1 with a Au electrode) and better operational stability than similar devices fabricated by thermal evaporation. The laminated electrodes consist of thin films of Au supported by flat or structured elastomeric elements of polydimethylsiloxane. By combining ScL and soft lithography, it is possible to fabricate high‐efficiency OLEDs with micrometer‐scale light‐emitting areas.
ISSN:0935-9648
1521-4095
DOI:10.1002/adma.200400182