保护膜材料对AC PDP放电特性的影响

THE INFLUENCE OF THE MATERIALS OF PROTECTING LAYER ON THE DISCHARGE CHARACTERISTICS IN AC PDP

利用所研制的模拟ＡＣＰＤＰ放电特性测量装置，对（ＣａＳｒ）Ｏ、（ＭｇＳｒ）Ｏ等不同材料形成的保护膜对ＡＣＰＤＰ放电特性的影响进行了研究，确定了新颖膜材料的选择方向，探索了使用高发射性能保护膜材料所必须解决的问题。研究结果表明，用（ＣａＳｒ）Ｏ等混合氧化物制成的保护膜的ＡＣＰＤＰ具有比单一氧化物低的工作电压和好的老化特性，但工作电压稳态范围却较窄；研究结果还表明氧化物混合的比例不同，ＡＣＰＤＰ的工作电压和稳态范围不同，大约在ＣａＯ（或ＭｇＯ）与ＳｒＯ的重量比达到１３时，器件的工作电压最低。

A measuring device imitating the discharge in AC PDP cell is designed And by using it, the influence of protecting film made from different materials such as (CaSr)O, (MgSr)O etc on the performance of AC PDP is examined The studies direction of new film materials is determined, and the problems must be dissolved in using the high emissive materials film are investigated The results manifest that the AC PDP with the protecting film made from mixed oxide, such as (CaSr)O, its working voltage is lower and aging characteristics is better than that with the film made from single oxide, such as MgO, but its working margin is narrower The studies also indicate that the working voltage and margin in AC PDP cell is changed with the the ratio of the mixed oxides, and the lowest working voltage is obtained when the weight ratio of CaO(or MgO) to SrO is about one to three