Study of High Polarized Nanostructure Light-Emitting Diode

Kuo-Hsiung Chu; Jo-Hsiang Chen; Kuo-Bin Hong; Yu-Ming Huang; Shih-Wen Chiu; Fu-Yao Ke; Chia-Wei Sun; Tsung-Sheng Kao; Chin-Wei Sher; Hao-Chung Kuo

doi:10.3390/cryst12040532

Crystals (Apr 2022)

Study of High Polarized Nanostructure Light-Emitting Diode

Kuo-Hsiung Chu,
Jo-Hsiang Chen,
Kuo-Bin Hong,
Yu-Ming Huang,
Shih-Wen Chiu,
Fu-Yao Ke,
Chia-Wei Sun,
Tsung-Sheng Kao,
Chin-Wei Sher,
Hao-Chung Kuo

Affiliations

Kuo-Hsiung Chu: Department of Photonics, College of Electrical and Computer Engineering, National Yang Ming Chiao Tung University, Hsinchu 30010, Taiwan
Jo-Hsiang Chen: Department of Photonics, College of Electrical and Computer Engineering, National Yang Ming Chiao Tung University, Hsinchu 30010, Taiwan
Kuo-Bin Hong: Semiconductor Research Center, Hon Hai Research Institute, Taipei 11492, Taiwan
Yu-Ming Huang: Department of Photonics, College of Electrical and Computer Engineering, National Yang Ming Chiao Tung University, Hsinchu 30010, Taiwan
Shih-Wen Chiu: Fok Ying Tung Research Institute, Hong Kong University of Science and Technology, Hong Kong 511458, China
Fu-Yao Ke: Wuhan Skyworth Photics and Display Electronics Co., Ltd., Wuhan 430065, China
Chia-Wei Sun: Department of Photonics, College of Electrical and Computer Engineering, National Yang Ming Chiao Tung University, Hsinchu 30010, Taiwan
Tsung-Sheng Kao: Department of Photonics, College of Electrical and Computer Engineering, National Yang Ming Chiao Tung University, Hsinchu 30010, Taiwan
Chin-Wei Sher: Fok Ying Tung Research Institute, Hong Kong University of Science and Technology, Hong Kong 511458, China
Hao-Chung Kuo: Department of Photonics, College of Electrical and Computer Engineering, National Yang Ming Chiao Tung University, Hsinchu 30010, Taiwan

DOI: https://doi.org/10.3390/cryst12040532
Journal volume & issue: Vol. 12, no. 4
p. 532

Abstract

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In this study, we investigated the characteristic difference between the two different configurations of the three-dimensional shell–core nanorod LED. We achieve a degree of polarization of 0.545 for tip-free core–shell nanorod LED and 0.188 for tip core–shell nanorod LED by combining the three-dimensional (3D) structure LED with photonic crystal. The ability of low symmetric modes generated by photonic crystals to enhance degree of polarization has been demonstrated through simulations of photonic crystals. In addition, light confinement in GaN-based nanorod structures is induced by total internal reflection at the GaN/air interface. The combination of 3D core–shell nanorod LED and photonic crystals cannot only produce a light source with a high degree of polarization, but also a narrow divergence angle up to 56°. These 3D LEDs may pave the way for future novel optoelectronic components.

Published in Crystals

ISSN: 2073-4352 (Online)
Publisher: MDPI AG
Country of publisher: Switzerland
LCC subjects: Science: Chemistry: Crystallography
Website: http://www.mdpi.com/journal/crystals/

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