pure phosphor

例句：

1. 1. The new LED light bulb uses apure phosphor coating to improve brightnessand energy efficiency.
   这款新型LED灯泡使用纯磷光涂层来提高亮度和能效。
2. 2.In the field of lighting technology, purephosphor is an important material for creatinghigh-brightness and long-lasting illumination.
   在照明技术领域，纯磷光体是制造高亮度和持久照明的重要材料。
3. 3. The researchon pure phosphor hasmade significant progress in recent years, with many breakthroughs inapplications such as display screens and lightingdevices.
   近年来，关于纯磷光的研究取得了显著进展，在显示屏和照明设备等领域取得了许多突破。