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Fig. 5. (Color online) Changes in the color coordinates of the white LEDs on the CIE1931 chromaticity diagram. “t” in the box denotes the thickness of the YAG phosphor plate. The thick arrow indicates the direction of the increase in the phosphor thickness.
New Phys.: Sae Mulli 2022;72:621~627 https://doi.org/10.3938/NPSM.72.621
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