Hoi Wai Choi
Hoi Wai Choi
Professor, Electrical and Electronic Engineering, The University of Hong Kong
Verified email at - Homepage
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Design of vertically-stacked polychromatic light-emitting diodes
KN Hui, XH Wang, ZL Li, PT Lai, HW Choi
Optics Express 17 (12), 9873-9878, 2009
Mechanism of enhanced light output efficiency in InGaN-based microlight emitting diodes
HW Choi, CW Jeon, MD Dawson, PR Edwards, RW Martin, S Tripathy
Journal of Applied Physics 93 (10), 5978-5982, 2003
GaN micro-light-emitting diode arrays with monolithically integrated sapphire microlenses
HW Choi, C Liu, E Gu, G McConnell, JM Girkin, IM Watson, MD Dawson
Applied Physics Letters 84 (13), 2253-2255, 2004
High extraction efficiency InGaN micro-ring light-emitting diodes
HW Choi, MD Dawson, PR Edwards, RW Martin
Applied physics letters 83 (22), 4483-4485, 2003
Plasma-induced damage to n-type GaN
HW Choi, SJ Chua, A Raman, JS Pan, ATS Wee
Applied Physics Letters 77 (12), 1795-1797, 2000
Lasing in GaN microdisks pivoted on Si
HW Choi, KN Hui, PT Lai, P Chen, XH Zhang, S Tripathy, JH Teng, ...
Applied physics letters 89 (21), 211101, 2006
High-resolution 128 x 96 nitride microdisplay
HW Choi, CW Jeon, MD Dawson
IEEE Electron Device Letters 25 (5), 277-279, 2004
Monolithically integrated InGaN/GaN light-emitting diodes, photodetectors, and waveguides on Si substrate
KH Li, WY Fu, YF Cheung, KKY Wong, Y Wang, KM Lau, HW Choi
Optica 5 (5), 564-569, 2018
Reflection/transmission confocal microscopy characterization of single-crystal diamond microlens arrays
E Gu, HW Choi, C Liu, C Griffin, JM Girkin, IM Watson, MD Dawson, ...
Applied physics letters 84 (15), 2754-2756, 2004
Optically pumped ultraviolet lasing from nitride nanopillars at room temperature
R Chen, HD Sun, T Wang, KN Hui, HW Choi
Applied Physics Letters 96 (24), 241101, 2010
Micromachining and dicing of sapphire, gallium nitride and micro LED devices with UV copper vapour laser
E Gu, CW Jeon, HW Choi, G Rice, MD Dawson, EK Illy, MRH Knowles
Thin Solid Films 453, 462-466, 2004
Fabrication and performance of parallel-addressed InGaN micro-LED arrays
HW Choi, CW Jeon, MD Dawson, PR Edwards, RW Martin
IEEE Photonics Technology Letters 15 (4), 510-512, 2003
Photonic crystal light-emitting diodes fabricated by microsphere lithography
WN Ng, CH Leung, PT Lai, HW Choi
Nanotechnology 19 (25), 255302, 2008
High-density matrix-addressable AlInGaN-based 368-nm microarray light-emitting diodes
CW Jeon, HW Choi, E Gu, MD Dawson
IEEE photonics technology letters 16 (11), 2421-2423, 2004
Efficient GaN-based Micro-LED Arrays
HW Choi, CW Jeon, MD Dawson, PR Edwards, RW Martin
MRS Online Proceedings Library 743 (1), L6. 28.1-L6. 28.6, 2002
Fabrication of natural diamond microlenses by plasma etching
HW Choi, E Gu, C Liu, C Griffin, JM Girkin, IM Watson, MD Dawson
Journal of Vacuum Science & Technology B: Microelectronics and Nanometer …, 2005
Advances in III‐nitride semiconductor microdisk lasers
Y Zhang, X Zhang, KH Li, YF Cheung, C Feng, HW Choi
physica status solidi (a) 212 (5), 960-973, 2015
Fabrication and characterization of diamond micro-optics
CL Lee, HW Choi, E Gu, MD Dawson, H Murphy
Diamond and related materials 15 (4-8), 725-728, 2006
MD Dawson, HW Choi, CW Jeon
US Patent 7,598,149, 2009
Close-packed hemiellipsoid arrays: A photonic band gap structure patterned by nanosphere lithography
WY Fu, KKY Wong, HW Choi
Applied Physics Letters 95 (13), 133125, 2009
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