有机电致发光器件(OLEDs)对水汽和氧气非常敏感,渗入OLEDs内的水汽和氧气会腐蚀有机功能层及电极材料,严重影响器件寿命.文中根据OLEDs对封装材料的要求,分析了目前最有前景的OLEDs封装技术——薄膜封装,重点介绍了薄膜封装的分类和研究现状.
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