一种新型琥珀色CRT显示荧光材料

我们在研究稀土离子激活的ZnS系列磷光体的制备及发光性能的基础上,最近又研制出Sm3+离子激活的碱土金属硫化物荧光材料。采用所谓“硫化助熔剂法”(即在烧结荧光粉过程中不另通H2S或CS2气体)的固相合成方法,研制出了新型CRT用显示材料。

A NEW AMBER CRT DISPLAY MATERIAL

Based on our method for preparing ZnS:RE, a new flux method for preparing Sm3+ activated alkaline earth sulfide has been developed. The luminescence effeciency of the new amber phosphor prepared with our method, is about 12%. The phosphor consisted of well-crystallized dispersed particles and the surface of the particles is smooth. The emission color of the phosphor is orange-yellow with chromaticity x=0.563, y=0.423. It is a current amber CRT material for the computer terminal display. The voltage dependence of the intensity under 1μA/cm2 CR excitation is better than that of P1-Zn2SiO4:Mn. The luminance is about 90% of P1. The properties of the CRT coating with the amber phosphor are expected to be available for the computer terminal display.