METHOD OF PREPARING ORGANIC ELECTROLUMINESCENT ELEMENT AND ORGANIC ELECTROLUMINESCENT ELEMENT
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United States of America Patent
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Issued Date -
Mar 12, 2015
app pub date -
Mar 7, 2013
filing date -
Mar 8, 2012
priority date (Note) -
Abandoned
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Abstract
Provided is a method of preparing an organic electroluminescent element. The method includes: a roughening step of roughening a surface of a moisture-proof substrate; a composite substrate-forming step of placing a resin film on the roughened surface of the moisture-proof substrate to form a composite substrate; an electroluminescent laminate-forming step of forming an organic electroluminescent laminate on a surface of the composite substrate; and a covering step of covering the organic electroluminescent laminate with a covering substrate that is larger than the resin film in a plan view. It gives a highly reliable organic electroluminescent element superior in light-outcoupling efficiency that is effectively resistant to water penetration and to degradation.
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