- Antireflective sub-wavelength structures for improvement of the extraction efficiency and color rendering index of monolithic white light-emitting diodeYiyu Ou
Department of Photonics Engineering, Technical University of Denmark, 2800 Kgs Lyngby, Denmark
Opt Express 19:A166-72. 2011..The CRI of the monolithic white LED could be improved from 92.68 to around 94 by applying a cylinder structure, and the CCT could be modified in a very large range with appropriate design of the cylinder structure...
- Broadband and omnidirectional light harvesting enhancement of fluorescent SiCYiyu Ou
Department of Photonics Engineering, Technical University of Denmark, Lyngby DK 2800, Denmark
Opt Express 20:7575-9. 2012..The antireflective sub-wavelength structures on fluorescent 6H-SiC could also preserve the luminescence spectral profile at a large emission angle by eliminating the Fabry-Pérot microcavity interference effect...
- Omnidirectional luminescence enhancement of fluorescent SiC via pseudoperiodic antireflective subwavelength structuresYiyu Ou
Department of Photonics Engineering, Technical University of Denmark, Lyngby, Denmark
Opt Lett 37:3816-8. 2012..The angle-resolved photoluminescence study presents a considerable omnidirectional luminescence enhancement with an integral intensity enhancement of 66.3% and a fairly preserved spatial emission pattern...