Color-tunable multilayer light-emitting diodes based on conjugated polymers

C. C. Huang; Hsin-Fei Meng; G. K. Ho; C. H. Chen; Chain-Shu Hsu; J. H. Huang; S. F. Horng; B. X. Chen; L. C. Chen

doi:10.1063/1.1645983

Color-tunable multilayer light-emitting diodes based on conjugated polymers

C. C. Huang^*, Hsin-Fei Meng, G. K. Ho, C. H. Chen, Chain-Shu Hsu, J. H. Huang, S. F. Horng, B. X. Chen, L. C. Chen

^*Corresponding author for this work

Research output: Contribution to journal › Article › peer-review

65 Scopus citations

Abstract

The mechanism which enabled wide-range color-tuning for multilayer polymer light-emitting diodes (LED) based on poly(p-phenylene vinylene) (PPV) and polyfluorene (PF) was investigated. The wide-range low-voltage continuous color tuning was achieved in multilayer LED by using the high-efficiency electroluminescent conjugated polymers. The color of the emitted photon depended on position of the electron-hole recombination which consisted of three layers for red, green and blue emission with one extra layer for electron blocking. The recombination zone was pushed away from the cathode and concentrated in different emissive layers due to the stronger field dependence of electron mobility relative to hole mobility.

Original language	English
Pages (from-to)	1195-1197
Number of pages	3
Journal	Applied Physics Letters
Volume	84
Issue number	7
DOIs	https://doi.org/10.1063/1.1645983
State	Published - 16 Feb 2004

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title = "Color-tunable multilayer light-emitting diodes based on conjugated polymers",

abstract = "The mechanism which enabled wide-range color-tuning for multilayer polymer light-emitting diodes (LED) based on poly(p-phenylene vinylene) (PPV) and polyfluorene (PF) was investigated. The wide-range low-voltage continuous color tuning was achieved in multilayer LED by using the high-efficiency electroluminescent conjugated polymers. The color of the emitted photon depended on position of the electron-hole recombination which consisted of three layers for red, green and blue emission with one extra layer for electron blocking. The recombination zone was pushed away from the cathode and concentrated in different emissive layers due to the stronger field dependence of electron mobility relative to hole mobility.",

author = "Huang, {C. C.} and Hsin-Fei Meng and Ho, {G. K.} and Chen, {C. H.} and Chain-Shu Hsu and Huang, {J. H.} and Horng, {S. F.} and Chen, {B. X.} and Chen, {L. C.}",

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AU - Huang, C. C.

AU - Meng, Hsin-Fei

AU - Ho, G. K.

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AU - Hsu, Chain-Shu

AU - Huang, J. H.

AU - Horng, S. F.

AU - Chen, B. X.

AU - Chen, L. C.

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AB - The mechanism which enabled wide-range color-tuning for multilayer polymer light-emitting diodes (LED) based on poly(p-phenylene vinylene) (PPV) and polyfluorene (PF) was investigated. The wide-range low-voltage continuous color tuning was achieved in multilayer LED by using the high-efficiency electroluminescent conjugated polymers. The color of the emitted photon depended on position of the electron-hole recombination which consisted of three layers for red, green and blue emission with one extra layer for electron blocking. The recombination zone was pushed away from the cathode and concentrated in different emissive layers due to the stronger field dependence of electron mobility relative to hole mobility.

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