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Laser phosphor display technology plays an important role in advanced display projection; however, it is a challenge in maintaining excellent color accuracy under high brightness due to the lack of red spectrum. Here, red-emitting Mg2Al4Si5O18:Eu2+ ceramics as the phosphor wheel have been optimized in chemical compositions and texture orientation. The textured Mg2Al4Si5O18:Eu2+ ceramics have high transparency and spot limiting ability, accordingly, the ceramic wheel outputs 1,184 lm of ultra-bright red light under 50 W/mm2 laser power density. Moreover, the red spectral utilization (over 600 nm) of textured Mg2Al4Si5O18:Eu2+ ceramics is 2.17 times that of traditional Y3Al5O12:Ce3+ phosphor wheel. The red-emitting textured Mg2Al4Si5O18:Eu2+ cordierite ceramic herein enables an improved light-color saturation experience, and it is potential in the next-generation laser phosphor display applications.
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