Organic EL light emitting device, manufacturing method therefor, and organic EL illumination device
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United States of America Patent
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Jan 3, 2017
Grant Date -
May 5, 2016
app pub date -
Jan 8, 2016
filing date -
Mar 29, 2011
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Abstract
An organic EL light emitting device includes a transparent substrate, a transparent electrode film formed on the substrate, a positive electrode contact portion in contact with a part of the transparent electrode film and electrically connected therewith, an insulating layer formed on the transparent electrode film such that the an insulating layer covers a portion excluding a light emitting part, an organic light emitting layer formed on the transparent electrode film and on the insulating layer, a negative electrode film formed on the organic light emitting layer, a negative electrode contact portion in contact with at least a part of the negative electrode film and electrically connected therewith, and a protective layer for separating and electrically insulating the positive electrode contact portion and the transparent electrode film from the negative electrode contact portion.
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