公开(公告)号：US10553649B2

公开(公告)日：2020-02-04

申请号：US16166782

申请日：2018-10-22

申请人： LG DISPLAY CO., LTD.

发明人： Sang-Bin Lee ,  Hye-Min Hwang ,  Hui-Kun Yun ,  Jun-Ho Youn ,  Jun-Young Kim

IPC分类号： H01L27/32 ,  H01L51/00 ,  H01L51/52 ,  G09G3/32 ,  H01L51/50

摘要： 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.

公开(公告)号：US10388222B2

公开(公告)日：2019-08-20

申请号：US15832632

申请日：2017-12-05

申请人： LG Display Co., Ltd.

发明人： Myung-O Joo ,  Nack-Youn Jung ,  Jun-Ho Youn ,  Jeong-Mook Choi ,  Jun-Young Kim

IPC分类号： H01L27/32 ,  H01L51/00 ,  H01L51/52 ,  H05B33/10 ,  G09G3/3233

摘要： An electroluminescent display device includes first and second pixels arranged along a first direction on a substrate; a first groove positioned at a side of the first and second pixels and including a first portion extending along the first direction and a second portion corresponding to a space between the first and second pixels; and a light emitting diode in each of the first and second pixels.

公开(公告)号：US10141377B2

公开(公告)日：2018-11-27

申请号：US15635888

申请日：2017-06-28

申请人： LG DISPLAY CO., LTD.

发明人： Sang-Bin Lee ,  Hye-Min Hwang ,  Hui-Kun Yun ,  Jun-Ho Youn ,  Jun-Young Kim

IPC分类号： H01L27/32 ,  H01L51/52 ,  G09G3/32

摘要： 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.