公开(公告)号：US20200212335A1

公开(公告)日：2020-07-02

申请号：US16729145

申请日：2019-12-27

Applicant: LG Display Co., Ltd.

Inventor： Kyu-Hwang Lee ,  ChulHo Kim ,  TaeJoon Song ,  Kyungha Lee ,  Taeok Kim

IPC: H01L51/50 ,  H01L51/52

Abstract: The present disclosure relates to an electroluminescent lighting device having high aperture ratio. The present disclosure provides an electroluminescent light device comprising: a substrate having an emission area and a non-emission area surrounding the emission area; a power line disposed in the emission area and defining an open area; a buffer layer covering the substrate having the power line; a power contact hole formed at the buffer layer for exposing some of the power line; an anode layer disposed on the buffer layer and contacting the power line through the power contact hole; a passivation layer covering the power contact hole on the anode layer; an emission layer on the anode layer; and a cathode layer on the emission layer.

公开(公告)号：US20240215388A1

公开(公告)日：2024-06-27

申请号：US18451245

申请日：2023-08-17

Applicant: LG DISPLAY CO., LTD.

Inventor： WooChan Cho ,  ChulHo Kim ,  JungSik Jo ,  Kyu-Hwang Lee ,  Hyunjin Kim

IPC: H10K59/80

CPC classification number: H10K59/8722 ,  H10K59/873 ,  H10K59/131

Abstract: A display device includes a substrate including an active area, a hole area disposed within the active area and having a through hole disposed therein, and a disconnection area surrounding the hole area; and a plurality of disconnection structures disposed on the substrate in the disconnection area, wherein each of the plurality of disconnection structures includes, a lower layer, an intermediate layer disposed on the lower layer and having a width smaller than that of the lower layer, and an upper layer disposed on the intermediate layer and having a width greater than that of the intermediate layer, thereby penetration of moisture or oxygen from the through hole into the active area is minimized.

公开(公告)号：US20240215375A1

公开(公告)日：2024-06-27

申请号：US18501867

申请日：2023-11-03

Applicant: LG Display Co., Ltd.

Inventor： JungSik Jo ,  ChulHo Kim

IPC: H10K59/65 ,  G09G3/3233 ,  G09G3/3266 ,  H10K59/122 ,  H10K59/80

CPC classification number: H10K59/65 ,  G09G3/3233 ,  G09G3/3266 ,  H10K59/122 ,  H10K59/80517 ,  H10K59/80518 ,  H10K59/80524 ,  H10K59/878 ,  H10K2102/351

Abstract: The present disclosure relates to a display panel and a display device, and more specifically, to a display panel and a display device that include: a first optical area allowing light to be transmitted; and a normal area included in a display area and located outside of the first optical area, the first optical area comprising: a first anode electrode of a first light emitting element; a first insulating layer including a concave portion exposing at least a portion of an upper surface of the first anode electrode; a light path changing element disposed on a portion of an upper surface of the insulating layer and a side surface of the concave portion; and a bank exposing a portion of the light path changing element disposed on the upper surface of the insulating layer and exposing a portion of the upper surface of the first anode electrode, and are capable of improving light extraction efficiency.

公开(公告)号：US11038131B2

公开(公告)日：2021-06-15

申请号：US16729145

申请日：2019-12-27

Applicant: LG Display Co., Ltd.

Inventor： Kyu-Hwang Lee ,  ChulHo Kim ,  TaeJoon Song ,  Kyungha Lee ,  Taeok Kim

IPC: H01L51/10 ,  H01L51/50 ,  H01L51/52

Abstract: The present disclosure relates to an electroluminescent lighting device having high aperture ratio. The present disclosure provides an electroluminescent light device comprising: a substrate having an emission area and a non-emission area surrounding the emission area; a power line disposed in the emission area and defining an open area; a buffer layer covering the substrate having the power line; a power contact hole formed at the buffer layer for exposing some of the power line; an anode layer disposed on the buffer layer and contacting the power line through the power contact hole; a passivation layer covering the power contact hole on the anode layer; an emission layer on the anode layer; and a cathode layer on the emission layer.

公开(公告)号：US20240222557A1

公开(公告)日：2024-07-04

申请号：US18503572

申请日：2023-11-07

Applicant: LG Display Co., Ltd.

Inventor： TaeJoon Song ,  ChulHo Kim ,  YunHo Kook

IPC: H01L33/38 ,  G06F3/041 ,  H01L33/40 ,  H01L33/56

CPC classification number: H01L33/38 ,  G06F3/0412 ,  H01L33/405 ,  H01L33/56

Abstract: According to an aspect of the present disclosure, a display device includes a substrate including a plurality of sub pixels; an over coating layer disposed on the substrate; an anode which is disposed on the over coating layer so as to correspond to each of the plurality of sub pixels; a bank which is disposed to cover an end of the anode between the plurality of sub pixels and has an inclined surface; a bridge electrode which is disposed on a top surface of the bank between the plurality of sub pixels and a part of the inclined surface; an organic layer disposed on the anode and the bridge electrode; a cathode disposed on the organic layer; an encapsulation unit disposed on the cathode; and a touch electrode which is disposed on the encapsulation unit so as to overlap the bridge electrode and is electrically connected to the bridge electrode.