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Optical Properties as Coating Process of Complex Phosphor for White LED
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 Title & Authors
Optical Properties as Coating Process of Complex Phosphor for White LED
Lee, Hyo-Sung; Kim, Byung-Ho; Hwang, Jong Hee; Lim, Tae-Young; Kim, Jin-Ho; Jeon, Dae-Woo; Jung, Hyun-Suk; Lee, Mi Jai;
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In this study, we fabricated high quality color conversion component with green/red phosphor and low melting glass frit. The color conversion component was prepared by placing the green and red phosphor layer on slide glass via screen printing process. The properties of color conversion component could be controlled by changing coating sequence, layer thickness and heat treatment temperature. We discovered that optical properties of color conversion component were generally determined by the lowest layer. On the other hand, the heat treatment temperature also affected to correlated color temperature (CCT) and color rending index (CRI). The color conversion component with a green (lower) - red (upper) layer which was sintered at showed the best optical properties: CCT, CRI and luminance efficacy were 3340 K, 78, and 56.5 lm/w, respectively.
remote phosphor;white LED package;color glass;color conversion component;phosphor;
 Cited by
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