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White Organic Light-Emitting Diodes

✍ Scribed by Malte C. Gather; Anne Köhnen; Klaus Meerholz

Publisher
John Wiley and Sons
Year
2010
Tongue
English
Weight
832 KB
Volume
23
Category
Article
ISSN
0935-9648

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✦ Synopsis

Abstract

White organic light‐emitting diodes (WOLEDs) offer a range of attractive characteristics and are in several regards conceptually different from most currently used light sources. From an application perspective, their advantages include a high power efficiency that rivals the performance of fluorescent lamps and inorganic LEDs and the potential for a very low cost of manufacturing. As flat‐panel light sources they are intrinsically glare‐free and generate light over a large area. WOLEDs are constantly improving in terms of performance, durability, and manufacturability, but these improvements require joint research efforts in chemistry and the materials sciences to design better materials as well as in physics and engineering to invent new device concepts and design suitable fabrication schemes, a process that has generated many exciting scientific questions and answers. This article reviews current developments in the field of WOLEDs and puts a special focus on new device concepts and on approaches to reliable and cost‐efficient WOLED manufacturing.

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