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Use of Glass-Forming Liquid Crystal Materials for Electroluminescent Diodes

Published online by Cambridge University Press:  10 February 2011

T. Tsutsui ,
C. P. Lin ,
S. Saito ,
S. H. Chen ,
H. Shi  and
J. C. Mastrangelo
T. Tsutsui
Affiliation:
Graduate School of Engineering Sciences, Kyushu University, Kasuga, Fukuoka, 816 Japan
C. P. Lin
Affiliation:
Graduate School of Engineering Sciences, Kyushu University, Kasuga, Fukuoka, 816 Japan
S. Saito
Affiliation:
Graduate School of Engineering Sciences, Kyushu University, Kasuga, Fukuoka, 816 Japan
S. H. Chen
Affiliation:
Center for Optoelectronics & Imaging, University of Rochester, Rochester, New York 14623-1212
H. Shi
Affiliation:
Center for Optoelectronics & Imaging, University of Rochester, Rochester, New York 14623-1212
J. C. Mastrangelo
Affiliation:
Center for Optoelectronics & Imaging, University of Rochester, Rochester, New York 14623-1212
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Abstract

Spin-coated thin films of cyclohexane-based liquid crystalline materials were used for the fabrication of electroluminescent diodes. Electroluminescence from single-component films of cyclohexane-based liquid crystalline materials was observed. Double component films composed of a cyclohexane-based liquid crystalline material and a conventional hole transport dye were shown to give improved electroluminescence performances, but emission was due to exciplexes composed of two components. Use of cyclohexane-based dye molecules was effective for suppressing the formation of inter-molecular complexes. The highest external quantum efficiency observed was 0.17%.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 425: Symposium I – Liquid Crystals for Advanced Technologies , 1996 , 225
Copyright
Copyright © Materials Research Society 1996

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