Luminescent Phosphor-in-Glass Composite for White Light-Emitting Diodes

M.A. Kistankina^1, , V.A. Aseev¹, J.V. Tuzova¹, K.D. Mynbaev^{1, 2}, V.E. Bougrov², N.V. Nikonorov¹ and A.E. Romanov^{1, 2}

¹ITMO University, Saint-Petersburg, Russia

²Ioffe Institute, Saint-Petersburg, Russia

Cite this paper:
M.A. Kistankina, V.A. Aseev, J.V. Tuzova, K.D. Mynbaev, V.E. Bougrov, N.V. Nikonorov and A.E. Romanov. Luminescent Phosphor-in-Glass Composite for White Light-Emitting Diodes. Journal of Optoelectronics Engineering. 2017; 5(1):7-9. doi: 10.12691/joe-5-1-2

Abstract

A luminescent composite material based on YAG:Ce³⁺–doped silicate glass (Phosphor-in-Glass, PiG) was fabricated and studied. For the glass matrix, the 40SiO₂–25PbF₂–20PbO(Pb₃O₄)–15AlF₃ material was used. PiG samples were sintered at the temperature 550°C with concentration of YAG:Ce³⁺ varying from 90% down to 50%. Luminescence spectra of the PiG samples were recorded and quantum efficiency of the experimental samples was measured with the use of an integrating optical sphere. A design of light-emitting diode (LED) modules with the sintered PiG was developed and the temperature of the surface of the modules was analyzed.

Keywords:
phosphor-in-glass luminescence LED

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