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, further the bank layer includes first and second openings exposing the first electrodes corresponding to the first and second pixel regions, respectively, and also a depth of the second opening is larger than a depth of the first opening, and a height of the bank layer of the second pixel region is larger than a height of the bank layer of the first pixel region.
LG DISPLAY CO., LTD.
H H H H H H G H H H G H
H01L H01L H01L H01L H01L H01L G09G H01L H01L H01L G09G H01L
inventional inventional additional additional additional inventional additional inventional inventional inventional additional additional
Hui-Kun Hye-Min Sang-Bin Jun-Ho Jun-Young
Yun Hwang Lee Youn Kim