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Cascade Connected Organic El Diodes for Multi-Color Emission

Published online by Cambridge University Press:  10 February 2011

Yutaka Ohmori ,
Norio Tada ,
Yoshitaka Kurosaka ,
Akihiko Fujii  and
Katsumi Yoshino
Yutaka Ohmori
Affiliation:
Department of Electronic Engineering, Osaka University, Yamada-oka, Suita, Osaka 565 Japanohmori@ele.eng.osaka-u.ac.jp
Norio Tada
Affiliation:
Department of Electronic Engineering, Osaka University, Yamada-oka, Suita, Osaka 565 Japanohmori@ele.eng.osaka-u.ac.jp
Yoshitaka Kurosaka
Affiliation:
Department of Electronic Engineering, Osaka University, Yamada-oka, Suita, Osaka 565 Japanohmori@ele.eng.osaka-u.ac.jp
Akihiko Fujii
Affiliation:
Department of Electronic Engineering, Osaka University, Yamada-oka, Suita, Osaka 565 Japanohmori@ele.eng.osaka-u.ac.jp
Katsumi Yoshino
Affiliation:
Department of Electronic Engineering, Osaka University, Yamada-oka, Suita, Osaka 565 Japanohmori@ele.eng.osaka-u.ac.jp
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Abstract

Multicolor electroluminescent (EL) device which emits red (R), green (G) and blue (B) light has been realized by stacking a two-color emission part and a single-color emission part. The former part consists of two emissive layers of red and blue light, which can be selected by changing the polarity of applied field. The latter part consists of a single emissive layer of green light. The emission color from the R-G-B emission device can be modulated by the combination of applying various voltages to the two-color and to the single-color emission parts, separately.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 488: Symposium J – Electrical, Optical & Magnetic Properties of Organic IV , 1997 , 569
Copyright
Copyright © Materials Research Society 1998

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