Please use this identifier to cite or link to this item: https://hdl.handle.net/11147/9098
Title: Phosphor-based white LED by various glassy particles:control over luminous efficiency
Authors: Yüce, Hürriyet
Güner, Tuğrul
Balcı, Sinan
Demir, Mustafa Muammer
Issue Date: 2019
Publisher: The Optical Society
Abstract: Generating white light through a mainstream remote phosphor design suffers from phosphor conversion efficiency loss due to a backscattering of light. Such a loss also reduces luminous efficiency of the resulting white light. To overcome this issue, various glassy scatterers with different morphologies such as glass bubbles, glass beads, and nanosized silica particles were employed as scatterers, together with a fixed amount of yellow phosphor (YAG:Ce3+) and a poly(dimethylsiloxane) (PDMS) matrix. In addition, the simulation of the system validates the rigorous multiple scattering of the incoming light most probably due to refractive index mismatch between the glass bubbles and surrounding PDMS matrix along with the internal reflections. (C) 2019 Optical Society of America
URI: https://doi.org/10.1364/OL.44.000479
https://hdl.handle.net/11147/9098
ISSN: 0146-9592
1539-4794
Appears in Collections:Materials Science and Engineering / Malzeme Bilimi ve Mühendisliği
Photonics / Fotonik
PubMed İndeksli Yayınlar Koleksiyonu / PubMed Indexed Publications Collection
Scopus İndeksli Yayınlar Koleksiyonu / Scopus Indexed Publications Collection
WoS İndeksli Yayınlar Koleksiyonu / WoS Indexed Publications Collection

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