Yttrium aluminum garnet ( YAG ) doped with Ce 3+ ion is known as an excellent phosphor for light‐emitting diode ( LED ), usually used as a powder form dispersed in organic resins. We have developed translucent glass‐ceramics ( GC ) of YAG : Ce 3+ microcrystals in 2004. The GC sheet with half millimeter thick can work efficiently to make identical emission spectra with conventional white LED when combined with a blue LED . This report reviews the development history of the GC materials and impact for all inorganic solution for solid‐state lighting.
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Fujita et al. (2015) studied this question.
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