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19 October 2016 Research of the penetration gas methods of measuring barrier property of OLED packaging materials by mass spectrometry
Qipeng Wu, Junjian Li, Chunyong Wang, Zhaohui Fu
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Proceedings Volume 10155, Optical Measurement Technology and Instrumentation; 1015508 (2016) https://doi.org/10.1117/12.2243747
Event: International Symposium on Optoelectronic Technology and Application 2016, 2016, Beijing, China
Abstract
Measuring penetration rates of water vapor and oxygen though OLED packaging materials by mass spectrometry is a new method. Currently, the sampling of penetration gas is dynamic sampling method. The sensitivity of this method is magnitude of 10-4 g/m2day, which can not reach the ideal magnitude of 10-6 g/m2day. Static accumulation sampling method for improving sensitivity of measuring is present in this paper. Comparing with dynamic sampling method, the sensitivity of this sampling method has been improved 1-2 magnitudes. The devices of static accumulation sampling method have been designed. The experiments of measuring penetration rates of water vapor and oxygen through packaging materials have been done. The results and analysis of the experiments have been introduced.
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Qipeng Wu, Junjian Li, Chunyong Wang, and Zhaohui Fu "Research of the penetration gas methods of measuring barrier property of OLED packaging materials by mass spectrometry", Proc. SPIE 10155, Optical Measurement Technology and Instrumentation, 1015508 (19 October 2016); https://doi.org/10.1117/12.2243747
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KEYWORDS
Organic light emitting diodes
Mass spectrometry
Packaging
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