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METHOD FOR PREPARING BLUE-EMITTING BARIUM MAGNESIUM ALUMINATE (BAM) PHOSPHOR FOR BACKLIGHT UNIT LAMP, AND BLUE-EMITTING BAM PHOSPHOR PREPARED BY THE METHOD
METHOD FOR PREPARING BLUE-EMITTING BARIUM MAGNESIUM ALUMINATE (BAM) PHOSPHOR FOR BACKLIGHT UNIT LAMP, AND BLUE-EMITTING BAM PHOSPHOR PREPARED BY THE METHOD
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机译:背光单元灯的发蓝铝酸钡磷的制备方法及用该方法制备的发蓝铝磷的方法
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摘要
Provided are a method for preparing a blue-emitting BAM phosphor which includes: surface-treating phosphor particles with metal oxide nanoparticles, and a blue-emitting BAM phosphor prepared by the method. The blue-emitting BAM phosphor exhibits better dispersibility and flowability in coating slurry without undergoing a reduction in initial brightness, thereby providing less color variation at ends of a BLU lamp. The blue-emitting BAM phosphor can be directly applied in a currently available method of manufacturing a BLU lamp, and when mixed with existing red and green phosphors, can remarkably reduce color variation at ends of a lamp. Therefore, the quality of a BLU lamp for large-scale displays can be greatly improved.
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