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Proceedings Paper

Improved lifetime and efficiency of organic light-emitting diodes for applications in displays
Author(s): Wolfgang Kowalsky; Torsten Benstem; Achim Boehler; Siegfried Dirr; Hans-Hermann Johannes; Dirk Metzdorf; H. Neuner; Joerg Schoebel
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Paper Abstract

Organic semiconductors have been intensively studied over the past decades. The potential of this new class of materials for photonic and electronic device applications is demonstrated by successful fabrication of organic and organic-on-inorganic heterostructures for electroluminescent devices, photodetectors, and microwave diodes. The fabrication technology of organic semiconductor devices for photonic applications is discussed. In contrast to spin-on or dipping techniques for fabrication of polymeric films, organic compounds with low molecular weight are sublimated under ultra high vacuum conditions. The organic molecular beam deposition technology employed allows the reproducible growth of complex layer sequences with a defined thickness of various organic semiconductors in combination with dielectric films, different metallizations, and indium-tin- oxide layers.

Paper Details

Date Published: 14 April 1999
PDF: 12 pages
Proc. SPIE 3621, Light-Emitting Diodes: Research, Manufacturing, and Applications III, (14 April 1999); doi: 10.1117/12.344468
Show Author Affiliations
Wolfgang Kowalsky, Technische Univ. Braunschweig (Germany)
Torsten Benstem, Technische Univ. Braunschweig (Germany)
Achim Boehler, Technische Univ. Braunschweig (Germany)
Siegfried Dirr, Technische Univ. Braunschweig (Germany)
Hans-Hermann Johannes, Technische Univ. Braunschweig (Germany)
Dirk Metzdorf, Technische Univ. Braunschweig (Germany)
H. Neuner, Technische Univ. Braunschweig (Germany)
Joerg Schoebel, Technische Univ. Braunschweig (Germany)

Published in SPIE Proceedings Vol. 3621:
Light-Emitting Diodes: Research, Manufacturing, and Applications III
E. Fred Schubert; Ian T. Ferguson; H. Walter Yao, Editor(s)

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