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Phosphor‐converted white light‐emitting diodes (WLEDs) are extensively spread to every part of our daily life and trigger urgent needs for discovery of phosphors without cyan gap (spectral missing in the 480–520 nm range) in pursuit of “human‐centric” sunlight‐like full‐spectrum lighting. Here, a new ultra‐broadband green‐emitting K3La(PO4)2:Eu2+ phosphor is reported to meet this challenge. An efficient...
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