钝化
材料科学
有机发光二极管
光电子学
聚合物
传输速率
亮度
二极管
图层(电子)
相对湿度
水分
发光
发光二极管
复合材料
传输(电信)
光学
电气工程
物理
工程类
热力学
作者
Daoguo Yang,Yong qiang Yang,Yu Duan,Ping Chen,Chun Liang Zang,Yue Xie,Dong Mei Liu,Wang Xiao,Ya Hui Duan,Feng Sun,Qiang Gao,Kai Xue
摘要
We found using UV-curable polymer (NOA63 from Norland Optics) film as a passivation layer, which was very simple and convenient to perform, could provide a temporary barrier for the organic light emitting devices (OLEDs). The NOA63 protective layer significantly restricted the moisture that penetrated into the OLEDs, but did not affect its luminescent characteristics. The decay time of device reaching 70% initial luminance was 1860 min, 6.8 folds longer than that of device without encapsulation. The effective water vapor transmission rate achieved 0.031 g/m2/day at 20°C and 50% relative humidity condition.
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