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Nature 437, 327-328 (15 September 2005) | doi:10.1038/437327a; Published online 14 September 2005
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Device physics: Enlightening solutions
Klaus Meerholz1
Abstract
White-light-emitting diodes are becoming increasingly important, but what is the best way to build compact devices possessing high efficiency? Bright prospects are offered by multi-layer organic devices grown from solution.
Sources of white light are found almost everywhere — in lighting and signage generally, but increasingly as backlights in all sorts of displays, for example in laptop computers or smart phones. The development of organic light-emitting diodes (OLEDs) promises further innovation in the field: such diodes are lightweight, provide high brightness at low power, and can be fabricated on flexible substrates to form thin devices at potentially low production cost1.
- Klaus Meerholz is at the Institute of Physical Chemistry, University of Cologne, Luxemburgerstrasse 116, 50939 Cologne, Germany.
Email: klaus.meerholz@uni-koeln.de
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