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表征OLED封装器件的厚度和光学常数-研究OLED的老化过程

发布时间: 2016-09-21 12:52 来源: HORIBA科学仪器事业部
领域: 电子/电器/半导体
样品:OLED封装器件项目:厚度,光学常数

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表征OLED封装器件的厚度和光学常数-研究OLED的老化过程

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Spectroscopic ellipsometry is a powerful technique to characterize the thickness and optical constants of encapsulated OLED devices.

For the case of non-transparent encapsulation thecombination of ellipsometric measurements via the glass substrate and the powerful modelling features of DeltaPsi2 software make it possible to analyze “this reverse sample”.

Ellipsometric investigation of a 1-month aging process for an α-NPD film show a significant decrease of the refractive index, suggesting a decrease in the material density.



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