荧光粉
材料科学
陶瓷
纹理(宇宙学)
激光器
方向(向量空间)
光电子学
冶金
光学
计算机科学
人工智能
几何学
图像(数学)
物理
数学
作者
Weibin Chen,Yuzhen Wang,Gaochao Liu,Yongsheng Sun,Zhiguo Xia
标识
DOI:10.1016/j.jmat.2024.02.001
摘要
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 1184 l m of ultra-bright red light under 50W·mm−2 laser power density. Moreover, the red spectral utilization (>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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