Birch, Stewart, Kolasch & Birch, LLP
Electroluminescent display device
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.
LG DISPLAY CO., LTD.
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Hye-Min Hui-Kun Jun-Young Sang-Bin Jun-Ho
Hwang Yun Kim Lee Youn