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Science 27 June 1997:
Vol. 276. no. 5321, pp. 2009 - 2011
DOI: 10.1126/science.276.5321.2009
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Reports

Three-Color, Tunable, Organic Light-Emitting Devices

Zilan Shen, Paul E. Burrows, Vladimir Bulovic, Stephen R. Forrest, Mark E. Thompson

An independently controlled, three-color, organic light-emitting device was constructed with a vertically stacked pixel architecture that allows for independent tuning of color, gray scale, and intensity. The 12-layer device structure consists of sequentially stacked layers of metal oxide, amorphous organic, crystalline organic, and metal thin films deposited by a combination of thermal evaporation and radio-frequency sputtering. Each of the three addressable colors is sufficiently bright for flat panel video display applications. A novel inverted structure is used for the middle device in the stack to lower the maximum drive voltage of the compound pixel.

Z. Shen, P. E. Burrows, V. Bulovic, S. R. Forrest, Advanced Technology Center for Photonics and Optoelectronic Materials, Department of Electrical Engineering, Princeton University, Princeton, NJ, 08544, USA.
M. E. Thompson, Department of Chemistry, University of Southern California, Los Angeles, CA 90089, USA.

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THIS ARTICLE HAS BEEN CITED BY OTHER ARTICLES:
Photoexcited breathers in conjugated polyenes: An excited-state molecular dynamics study.
S. Tretiak, A. Saxena, R. L. Martin, and A. R. Bishop (2003)
PNAS 100, 2185-2190
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High-Fidelity Electronic Display of Digital Radiographs.
M. J. Flynn, J. Kanicki, A. Badano, and W. R. Eyler (1999)
RadioGraphics 19, 1653-1669
   Abstract »    Full Text »    PDF »


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Science. ISSN 0036-8075 (print), 1095-9203 (online)