Full-color monolithic hybrid quantum dot nanoring micro light-emitting diodes with improved efficiency using atomic layer deposition and nonradiative resonant energy transfer [Cover Paper]
Full-color displays based on micro light-emitting diodes (μLEDs) can be fabricated on monolithic epitaxial wafers. Nanoring (NR) structures were fabricated on a green LED epitaxial wafer; the color of NR-μLEDs was tuned from green to blue through strain relaxation. An Al2O3 layer was deposited on the sidewall of NR-μLEDs, which improved the photoluminescence intensity by 143.7%. Coupling with the exposed multiple quantum wells through nonradiative resonant energy transfer, red quantum dots were printed to NR-μLEDs for a full-color display. To further improve the color purity of the red light, a distributed Bragg reflector is developed to reuse the excitation light.
基金项目：Ministry of Science and Technology, Taiwan (MOST)10.13039/501100004663 (107-2221-E-009-113-MY3, 105-2221-E-009-112-MY3); Strait Postdoctoral Foundation of Fujian Province of China.
Chih-Chiang Shen：Institute of Electro-Optical Engineering, National Chiao Tung University, Hsinchu 30010, Taiwan
Tingzhu Wu：Department of Electronic Science, Fujian Engineering Research Center for Solid-State Lighting, Xiamen University, Xiamen 361005, Chinae-mail: email@example.com
Zhen-You Liao：Institute of Electro-Optical Engineering, National Chiao Tung University, Hsinchu 30010, Taiwan
Lee-Feng Chen：Institute of Electro-Optical Engineering, National Chiao Tung University, Hsinchu 30010, Taiwan
Jia-Rou Zhou：Institute of Electro-Optical Engineering, National Chiao Tung University, Hsinchu 30010, Taiwan
Chun-Fu Lee：Institute of Electro-Optical Engineering, National Chiao Tung University, Hsinchu 30010, Taiwan
Chih-Hao Lin：Institute of Electro-Optical Engineering, National Chiao Tung University, Hsinchu 30010, Taiwan
Chien-Chung Lin：Institute of Photonics System, National Chiao Tung University, Tainan 71150, Taiwan
Chin-Wei Sher：HKUST Fok Ying Tung Research Institute, Nansha District, Guangzhou 511458, China
Po-Tsung Lee：Institute of Electro-Optical Engineering, National Chiao Tung University, Hsinchu 30010, Taiwan
An-Jye Tzou：Institute of Electro-Optical Engineering, National Chiao Tung University, Hsinchu 30010, Taiwan
Zhong Chen：Department of Electronic Science, Fujian Engineering Research Center for Solid-State Lighting, Xiamen University, Xiamen 361005, China
Hao-Chung Kuo：Institute of Electro-Optical Engineering, National Chiao Tung University, Hsinchu 30010, TaiwanDepartment of Electrical Engineering and Computer Sciences and TBSI, University of California at Berkeley, Berkeley, California 94720, USAe-mail: firstname.lastname@example.org
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Sung-Wen Huang Chen, Chih-Chiang Shen, Tingzhu Wu, Zhen-You Liao, Lee-Feng Chen, Jia-Rou Zhou, Chun-Fu Lee, Chih-Hao Lin, Chien-Chung Lin, Chin-Wei Sher, Po-Tsung Lee, An-Jye Tzou, Zhong Chen, and Hao-Chung Kuo, "Full-color monolithic hybrid quantum dot nanoring micro light-emitting diodes with improved efficiency using atomic layer deposition and nonradiative resonant energy transfer," Photonics Research 7(4), 416-422 (2019)