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Na 2 SiO 3 liquid glass‐based phosphor material for white LEDs
Author(s) -
Shvaleva M. A.,
Shulga E.,
Kink I.,
Mynbaev K. D.,
Bougrov V. E.,
Romanov A. E.
Publication year - 2015
Publication title -
physica status solidi (a)
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.532
H-Index - 104
eISSN - 1862-6319
pISSN - 1862-6300
DOI - 10.1002/pssa.201532655
Subject(s) - phosphor , materials science , light emitting diode , yttrium , silicone , cerium , optoelectronics , diode , white light , doping , optics , composite material , metallurgy , physics , oxide
A liquid glass‐based phosphor material for white light‐emitting diodes (LEDs) is proposed. The material is based on sodium silicate (Na 2 SiO 3 ) matrix with embedded microparticles of cerium‐doped yttrium aluminum garnet (YAG:Се 3+ ). The technique for the material synthesis is described. The results of investigation of the optical and thermal characteristics of the material and a white LED module with a primary optic element made of the material are presented. Advantages of the developed phosphor material for primary optics applications in high‐power LED modules as compared to commercial silicone are demonstrated.