Single crystalline YAG:Ce phosphor for powerful solid-state sources of white light. The influence of production conditions on luminescence properties and lighting characteristics |
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Authors: | S V Nizhankovskyi A V Tan’ko Yu N Savvin S I Krivonogov A T Budnikov A V Voloshin |
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Abstract: | It is shown that the spectral properties and spatial distribution of LED radiation with a YAG:Ce single crystalline luminescent converter significantly depend on the morphology of the converter surface. The variation of surface roughness enables one to obtain a light source with a wide range of color characteristics. As a result of optimization of converter parameters we demonstrate a possibility of creating a white light LED with correlated color temperature ТCC ~ 5000–6500 K and color rendering index CRI ≈ 60–70. |
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