Output power enhancement of white organic light-emitting diodes via a nanopatterned substrate generated by a monolayer of nanospheres

Chang Rong Lin; Mai Chih Liu; Yu Chun Chiu; Chia Hua Chan

doi:10.1063/1.4977172

Output power enhancement of white organic light-emitting diodes via a nanopatterned substrate generated by a monolayer of nanospheres

Chang Rong Lin, Mai Chih Liu, Yu Chun Chiu, Chia Hua Chan

Graduate Institute of Energy Engineering

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

5 Scopus citations

Abstract

In this work, the output power enhancement of the white light organic light emitting diode devices (OLEDs) is demonstrated on a patterned indium tin oxide substrate (PIS) prepared via etching self-assembled monolayer SiO₂ spheres as the hard mask. The finite difference method calculation, finite difference time domain calculation, and experimental results were performed and revealed that the smaller period of the PIS OLEDs will have better performance. At a constant current density of 20 mA/cm², the operating voltage of the PIS-OLEDs with a structural period of 300 nm (PIS-300) is reduced 36% compared with that of the planar OLEDs. In addition, at the luminance of 5000 cd/m², the luminous efficiency and external quantum efficiency of PIS-300 OLEDs are enhanced 228% and 58%, respectively.

Original language	English
Article number	093101
Journal	Applied Physics Letters
Volume	110
Issue number	9
DOIs	https://doi.org/10.1063/1.4977172
State	Published - 27 Feb 2017

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10.1063/1.4977172

奈微米球於有機發光二極體之應用
Chan, C.-H. (PI)
1/08/15 → 31/07/16
Project: Research

Cite this

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title = "Output power enhancement of white organic light-emitting diodes via a nanopatterned substrate generated by a monolayer of nanospheres",

abstract = "In this work, the output power enhancement of the white light organic light emitting diode devices (OLEDs) is demonstrated on a patterned indium tin oxide substrate (PIS) prepared via etching self-assembled monolayer SiO2 spheres as the hard mask. The finite difference method calculation, finite difference time domain calculation, and experimental results were performed and revealed that the smaller period of the PIS OLEDs will have better performance. At a constant current density of 20 mA/cm2, the operating voltage of the PIS-OLEDs with a structural period of 300 nm (PIS-300) is reduced 36% compared with that of the planar OLEDs. In addition, at the luminance of 5000 cd/m2, the luminous efficiency and external quantum efficiency of PIS-300 OLEDs are enhanced 228% and 58%, respectively.",

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AU - Liu, Mai Chih

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AU - Chan, Chia Hua

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N2 - In this work, the output power enhancement of the white light organic light emitting diode devices (OLEDs) is demonstrated on a patterned indium tin oxide substrate (PIS) prepared via etching self-assembled monolayer SiO2 spheres as the hard mask. The finite difference method calculation, finite difference time domain calculation, and experimental results were performed and revealed that the smaller period of the PIS OLEDs will have better performance. At a constant current density of 20 mA/cm2, the operating voltage of the PIS-OLEDs with a structural period of 300 nm (PIS-300) is reduced 36% compared with that of the planar OLEDs. In addition, at the luminance of 5000 cd/m2, the luminous efficiency and external quantum efficiency of PIS-300 OLEDs are enhanced 228% and 58%, respectively.

AB - In this work, the output power enhancement of the white light organic light emitting diode devices (OLEDs) is demonstrated on a patterned indium tin oxide substrate (PIS) prepared via etching self-assembled monolayer SiO2 spheres as the hard mask. The finite difference method calculation, finite difference time domain calculation, and experimental results were performed and revealed that the smaller period of the PIS OLEDs will have better performance. At a constant current density of 20 mA/cm2, the operating voltage of the PIS-OLEDs with a structural period of 300 nm (PIS-300) is reduced 36% compared with that of the planar OLEDs. In addition, at the luminance of 5000 cd/m2, the luminous efficiency and external quantum efficiency of PIS-300 OLEDs are enhanced 228% and 58%, respectively.

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Output power enhancement of white organic light-emitting diodes via a nanopatterned substrate generated by a monolayer of nanospheres

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