FOLED被认为是最具发展前景的下一代显示技术之一,但由于H2O、O2等有害气体的侵蚀,FOLED器件很难达到商用显示器件的最低使用寿命标准(1×104 h).虽然在柔性衬底上制备保护层是延长器件使用寿命的有效方法,但目前为止,还没有商用测试仪器可以评价保护层对H2O、O2等有害气体的阻隔性能.介绍了几种测试H2O、O2渗透率的方法,及它们在评价FOLED衬底保护层阻隔性能方面的应用.
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