Multifacet Microrod Light-Emitting Diode with Full Visible Spectrum Emission

Yun Jing Li; Jet Rung Chang; Shih Pang Chang; Bo Wen Lin; Yen Hsien Yeh; Hao-Chung Kuo; Yuh Jen Cheng; Chun Yen Chang

doi:10.1109/JDT.2016.2557841

Multifacet Microrod Light-Emitting Diode with Full Visible Spectrum Emission

Yun Jing Li, Jet Rung Chang, Shih Pang Chang, Bo Wen Lin, Yen Hsien Yeh, Hao-Chung Kuo, Yuh Jen Cheng, Chun Yen Chang

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

1 Scopus citations

Abstract

We demonstrated a full visible spectrum emission from a 3D multifacet microrod light-emitting diode (LED). The microrods were fabricated by top-down patterned etched and regrowth. Hexagonal {11-20} and {11-22} facets were first formed on the microrods, then gradually transformed to {10-10} and {10-11} facets. This facet evolution was attributed to the growth competition among different crystal planes. The multiple quantum wells grown on the microrods also followed this facet evolution and resulted in broad emission spectrum. The device can have direct white light emission covering full visible spectral range from 460 to 660 nm under electrical injection.

Original language	English
Article number	7460206
Pages (from-to)	951-956
Number of pages	6
Journal	Journal of Display Technology
Volume	12
Issue number	9
DOIs	https://doi.org/10.1109/JDT.2016.2557841
State	Published - Sep 2016

Keywords

Gallium nitride
Semipolar
light emitting diode
multiple quantum wells

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10.1109/JDT.2016.2557841

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title = "Multifacet Microrod Light-Emitting Diode with Full Visible Spectrum Emission",

abstract = "We demonstrated a full visible spectrum emission from a 3D multifacet microrod light-emitting diode (LED). The microrods were fabricated by top-down patterned etched and regrowth. Hexagonal {11-20} and {11-22} facets were first formed on the microrods, then gradually transformed to {10-10} and {10-11} facets. This facet evolution was attributed to the growth competition among different crystal planes. The multiple quantum wells grown on the microrods also followed this facet evolution and resulted in broad emission spectrum. The device can have direct white light emission covering full visible spectral range from 460 to 660 nm under electrical injection.",

keywords = "Gallium nitride, Semipolar, light emitting diode, multiple quantum wells",

author = "Li, {Yun Jing} and Chang, {Jet Rung} and Chang, {Shih Pang} and Lin, {Bo Wen} and Yeh, {Yen Hsien} and Hao-Chung Kuo and Cheng, {Yuh Jen} and Chang, {Chun Yen}",

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doi = "10.1109/JDT.2016.2557841",

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T1 - Multifacet Microrod Light-Emitting Diode with Full Visible Spectrum Emission

AU - Li, Yun Jing

AU - Chang, Jet Rung

AU - Chang, Shih Pang

AU - Lin, Bo Wen

AU - Yeh, Yen Hsien

AU - Kuo, Hao-Chung

AU - Cheng, Yuh Jen

AU - Chang, Chun Yen

PY - 2016/9

Y1 - 2016/9

N2 - We demonstrated a full visible spectrum emission from a 3D multifacet microrod light-emitting diode (LED). The microrods were fabricated by top-down patterned etched and regrowth. Hexagonal {11-20} and {11-22} facets were first formed on the microrods, then gradually transformed to {10-10} and {10-11} facets. This facet evolution was attributed to the growth competition among different crystal planes. The multiple quantum wells grown on the microrods also followed this facet evolution and resulted in broad emission spectrum. The device can have direct white light emission covering full visible spectral range from 460 to 660 nm under electrical injection.

AB - We demonstrated a full visible spectrum emission from a 3D multifacet microrod light-emitting diode (LED). The microrods were fabricated by top-down patterned etched and regrowth. Hexagonal {11-20} and {11-22} facets were first formed on the microrods, then gradually transformed to {10-10} and {10-11} facets. This facet evolution was attributed to the growth competition among different crystal planes. The multiple quantum wells grown on the microrods also followed this facet evolution and resulted in broad emission spectrum. The device can have direct white light emission covering full visible spectral range from 460 to 660 nm under electrical injection.

KW - Gallium nitride

KW - Semipolar

KW - light emitting diode

KW - multiple quantum wells

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DO - 10.1109/JDT.2016.2557841

M3 - Article

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Multifacet Microrod Light-Emitting Diode with Full Visible Spectrum Emission

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