Science and Education Publishing Journal of Optoelectronics Engineering 2372-4781 5 1 2017 3 25 Luminescent Phosphor-in-Glass Composite for White Light-Emitting Diodes 7 9 EN M.A. Kistankina ITMO University, Saint-Petersburg, Russia V.A. Aseev J.V. Tuzova K.D. Mynbaev V.E. Bougrov N.V. Nikonorov A.E. Romanov JOE2017512 10.12691/joe-5-1-2 2016 9 26 2017 1 30 2017 3 23 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.