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P.72: Glass‐based Color Conversion Multilayer for White Light‐emitting‐diodes and its Angular Color Performance

A novel glass‐based color conversion multilayer for white light‐emitting‐diodes (WLEDs) is proposed. The angular color uniformity of the WLEDs utilizing the novel glass multilayer phosphors in two kinds of geometry are demonstrated based on ray tracing simulations. The multilayer structure of the glass phosphors provides extra flexibility in the design of high power WLEDs.