Organic electroluminescent display device and method for producing same
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United States of America Patent
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Nov 2, 2021
Grant Date -
Nov 19, 2020
app pub date -
Jun 9, 2020
filing date -
Jan 31, 2017
priority date (Note) -
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status (Latency Note)
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Abstract
A thin film encapsulation structure included in an organic electroluminescent display device includes a first inorganic barrier layer, an organic barrier layer, and a second inorganic barrier layer. The thin film encapsulation structure is formed on an active region and an active region side portion of lead wires. Each lead wire at least partially includes, at least on lowermost portions of two side surfaces thereof in contact with the first inorganic barrier layer, a forward tapering side surface portion having a tapering angle smaller than 90 degrees in a cross-section parallel to a line width direction thereof. The thin film encapsulation structure further includes an inorganic barrier layer joint portion. On portions of the lead wires having the forward tapering side surface portions, the inorganic barrier layer joint portion is formed and the active region is completely enclosed by the inorganic barrier layer joint portion.
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