12 August 2016 Comparison between mixed and spatially separated remote phosphor fabricated via a screen-printing process
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Abstract
We developed a fabrication method for remote phosphor by a screen-printing process, using green phosphor, red phosphor, and thermally stable glass frit. The glass frit was introduced for long-term stability. The optical properties of the remote phosphor were observed via an integrating sphere; the photoluminescence spectrum dramatically changed on incorporating a minor amount of the red phosphor. These unique optical properties were elucidated using four factors: phosphor ratio, scattering induced by packing density, light intensity per unit volume, and reabsorption. The thermal stability of the remote phosphor was investigated at 500°C, demonstrating its outstanding thermal properties.
© 2016 Society of Photo-Optical Instrumentation Engineers (SPIE)
Byung-Ho Kim, Jonghee Hwang, Young Jin Lee, Jin-Ho Kim, Dae-Woo Jeon, Mi Jai Lee, "Comparison between mixed and spatially separated remote phosphor fabricated via a screen-printing process," Optical Engineering 55(8), 085103 (12 August 2016). https://doi.org/10.1117/1.OE.55.8.085103 . Submission:
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