公开(公告)号：US20200058721A1

公开(公告)日：2020-02-20

申请号：US16536230

申请日：2019-08-08

申请人： LG Display Co., Ltd.

发明人： Dong-Min Sim ,  Won-Hoe Koo ,  Ji-Hyang Jang

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

摘要： The present disclosure is directed to an organic light emitting diode display device includes a substrate having an emitting area and a non-emitting area; an overcoating layer on a first surface of the substrate and including a plurality of convex portions and a plurality of concave portions, at least one of the plurality of convex portions including a bottom surface portion, a top surface portion and a side surface portion between the bottom and top surface portions; a light emitting diode on the overcoating layer; and a cholesteric liquid crystal layer at a transmission direction of a light emitted from the light emitting diode.

公开(公告)号：US11164927B2

公开(公告)日：2021-11-02

申请号：US16536230

申请日：2019-08-08

申请人： LG Display Co., Ltd.

发明人： Dong-Min Sim ,  Won-Hoe Koo ,  Ji-Hyang Jang

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

摘要： The present disclosure is directed to an organic light emitting diode display device includes a substrate having an emitting area and a non-emitting area; an overcoating layer on a first surface of the substrate and including a plurality of convex portions and a plurality of concave portions, at least one of the plurality of convex portions including a bottom surface portion, a top surface portion and a side surface portion between the bottom and top surface portions; a light emitting diode on the overcoating layer; and a cholesteric liquid crystal layer at a transmission direction of a light emitted from the light emitting diode.

公开(公告)号：US11108023B2

公开(公告)日：2021-08-31

申请号：US16455363

申请日：2019-06-27

申请人： LG DISPLAY CO., LTD.

发明人： Dong-Min Sim ,  Ji-Hyang Jang ,  Jin-Tae Kim

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

摘要： An organic light emitting diode display device includes a substrate, an overcoating layer on the substrate and including a plurality of convex portions and a plurality of concave portions, a first electrode on the overcoating layer, a light emitting layer on the first electrode and including a first emitting material layer, and a second electrode on the light emitting layer, wherein the first emitting material layer in the plurality of convex portions is separated from the second electrode by a first distance, and the first emitting material layer in the plurality of concave portions is separated from the second electrode by a second distance different from the first distance.