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29 Mar 1999

Volume 74, Issue 13, pp. 1785-1922

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Three-color organic light-emitting diodes patterned by masked dye diffusion

Florian Pschenitzka and J. C. Sturm

Appl. Phys. Lett. 74, 1913 (1999); http://dx.doi.org/10.1063/1.123711 (3 pages) | Cited 41 times

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Show Abstract
A method of masked dye diffusion to locally pattern the emissive color of organic light-emitting devices (OLEDs) over a large area is introduced. By using a large-area diffusion source, which may be a spin-coated doped polymer film, the entire process of masked diffusion of dye into a polymer film of an OLED to create an integrated three-color device has been demonstrated at atmospheric pressure. The materials used to demonstrate this method are the polymer poly(9-vinylcarbazole) combined with electron transport molecules, and the dyes bimane, coumarin 6, and Nile red. © 1999 American Institute of Physics.  
Show PACS
85.60.Jb Light-emitting devices
85.60.Pg Display systems
66.30.J- Diffusion of impurities
81.05.Lg Polymers and plastics; rubber; synthetic and natural fibers; organometallic and organic materials
78.66.Qn Polymers; organic compounds
78.55.Kz Solid organic materials
78.60.Fi Electroluminescence
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