Electroluminescent display device
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United States of America Patent
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Nov 27, 2018
Grant Date -
Feb 1, 2018
app pub date -
Jun 28, 2017
filing date -
Jul 29, 2016
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Abstract
An electroluminescent display device includes a substrate on which first and second pixel regions are defined, a passivation layer over the substrate, a first electrode in each of the first and second pixel regions on the passivation layer, a bank layer exposing the first electrode, a light emitting layer on the first electrode exposed by the bank layer, and a second electrode on the light emitting layer, wherein the bank layer includes first and second openings exposing the first electrodes corresponding to the first and second pixel regions, respectively, and a depth of the second opening is larger than a depth of the first opening.
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