Light extraction substrate, method for manufacturing light extraction substrate, organic electroluminescent element, and method for manufacturing organic electroluminescent element
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Oct 20, 2015
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Oct 22, 2014
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Provided is a light extraction substrate capable of achieving both light extraction efficiency and preservability. Before forming a cap layer, a step of reducing in-membrane water content such that the in-membrane water content of a layer formed between a gas barrier layer and the cap layer is less than 1.0×1015/mg is performed. The in-membrane water content of less than 1.0×1015/mg is maintained until at least a step of forming the cap layer after the step of reducing the in-membrane water content, and the cap layer is then formed through a dry process.
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