Abstract
Yttrium aluminum garnet (YAG) doped with Ce3+ 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: Ce3+ 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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