荧光粉/玻璃复合材料(Phosphor-in-Glass,PiG)具有优异的发光性能、导热性和化学稳定性,将有望替代传统白光LED产品中的有机树脂基荧光转换层,同时解决散热、发光效率、品质、眩光、使用寿命等多项技术性难题,具有广阔的市场应用前景.本文从发光性能、透明度、机械强度及批量化生产等方面分析了PiG材料研究过程中出现的关键科学问题,并综述了解决上述问题所采取的针对性措施,包括制备方法(压片烧结法、熔体急冷法、涂膜烧结法)、材料组分设计和荧光粉层结构优化等,从而全面阐述了高性能PiG材料的最新研究现状,最后展望了其未来的研究趋势.
Duo to the unique luminescent property,thermal conductivity and chemical stability,phosphors/glass composite (Phosphor-in-Glass,PiG) has a huge market application prospect as an alternative to silicon-based phosphor converter for conventional white LEDs,as well as a solution to the heat emission,luminous efficiency,quality,glare,lifetime and other technical problems at the same time.Herein,some key scientific topics in terms of PiG materials were analyzed,such as luminescence properties,transparency,mechanical strength,and mass production;the targeted optimization measures were also comprehensively summarized,including preparation methods (tabletting sintering,melt quenching,and film sintering),material composition design,and the structure optimization of phosphor layers.Generally,this review presents the most recent advances of excellent performance PiG materials,and also prospects their research trend.
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