– ZL Li, PT Lai, and HW Choi Journal of Applied Physics, vol. 106, 9, pp. 094507 (2009) While longer wavelength emission from InGaN/GaN light-emitting…
– ZL Li, PT Lai, and HW Choi IEEE Photonics Technology Letters, vol. 21, 19, pp. 1429-1431 (2009) In this letter, the reliability of green…
Close-packed hemiellipsoid arrays: A photonic band gap structure patterned by nanosphere lithography
– WY Fu, KKY Wong, and HW Choi Applied Physics Letters, vol. 95, 13, pp. 133125 (2009) A self-assembled hexagonal close-packed hemiellipsoidal photonic crystal structure…
– WY Fu, KN Hui, XH Wang, KKY Wong, PT Lai, and HW Choi IEEE Photonics Technology Letters, vol. 21, 15, pp. 1078-1080 (2009) Geometrical…
– KN Hui, XH Wang, ZL Li, PT Lai, and HW Choi Optics Express, vol. 17, 12, pp. 9873-9878 (2009) A new design for a…
– L Zhu, CW Ng, N Wong, KKY Wong, PT Lai, and HW Choi IEEE Photonics Journal, vol. 1, 1, pp. 1-8 (2009) We report on…
– KN Hui, WY Fu, WN Ng, CH Leung, PT Lai, KKY Wong, and HW Choi Nanotechnology, vol. 19, 35, pp. 355203 (2008) A hexagonally close-packed array…
– WN Ng, CH Leung, PT Lai, and HW Choi Nanotechnology, vol. 19, 25, pp. 255302 (2008) Instead of using conventional electron lithography, a two-dimensional photonic crystal consisting of a hexagonal…
– KN Hui, PT Lai, and HW Choi Optics Express, vol. 16, 1, pp. 13-18 (2008) An innovative spectral conversion scheme for light emitting diodes…
– HW Choi Publication Date: 2009 Patent Office: CN Patent Number: CN 101496188 A light emitting diode comprising of a fluorescent microsphere coating is proposed.…