公开(公告)号：US20230200160A1

公开(公告)日：2023-06-22

申请号：US18060505

申请日：2022-11-30

Applicant: LG Display Co., Ltd.

Inventor： Chulyoung JANG ,  SangMo BYUN ,  Hyun KIM ,  Dayeon JEONG ,  Yooji HWANG

IPC: H01L31/036

CPC classification number: H01L27/3276 ,  H01L51/5225 ,  H01L51/5209 ,  H01L51/5256 ,  H01L27/3246

Abstract: According to an aspect of the present disclosure, a display device includes a first substrate including an active area and a non-active area adjacent the active area; a plurality of light emitting diodes in the active area of the first substrate; a first electrode and a second electrode in the non-active area of the first substrate and spaced apart from each other; a plurality of structures between the first electrode and the second electrode and spaced apart from each other; and a connection layer on the plurality of structures and electrically connecting the first electrode and the second electrode.

公开(公告)号：US20230180538A1

公开(公告)日：2023-06-08

申请号：US18056222

申请日：2022-11-16

Applicant: LG Display Co., Ltd.

Inventor： Dayeon JEONG ,  Chulyoung JANG ,  SangMo BYUN ,  Hyun KIM ,  Yooji HWANG

IPC: H01L51/00

CPC classification number: H01L27/3248 ,  H01L51/56 ,  H01L51/5012 ,  H01L2227/323 ,  H01L2251/5315

Abstract: An electroluminescent display device according to an example embodiment of the present disclosure may include a substrate including an active area having an emission area and a non-active area, a planarization layer disposed on the substrate, a light emitting element disposed on the planarization layer, a buffer layer disposed on the light emitting element and having a plurality of holes in a surface thereof and a hydrogen trap layer disposed on the buffer layer. As a result, by preventing hydrogen inflow into an oxide thin film transistor, characteristics and reliability of the thin film transistor can be improved.

公开(公告)号：US20250151537A1

公开(公告)日：2025-05-08

申请号：US18818289

申请日：2024-08-28

Applicant: LG Display Co., Ltd.

Inventor： Yooji HWANG ,  Yongmin KIM ,  JungSun BAEK

IPC: H10K59/124 ,  H10K59/12 ,  H10K59/122 ,  H10K59/35

Abstract: Embodiments of the disclosure relate to a display device and a method for manufacturing the same and may enhance the reliability of the display device by reducing the inflow path of harmful gases. The device includes an emission area and a non-emission area. The device includes a first and a second planarization layer. The second planarization layer includes a first opening in the emission area and a second opening in the non-emission area. The device includes an anode electrode on the second planarization layer, a light emitting layer, and a cathode electrode. The device includes a bank layer disposed in a portion of the emission area and at least a partial area on the first planarization layer and the second planarization layer in the non-emission area, and including at least one trench positioned in the second opening.

公开(公告)号：US20240224601A1

公开(公告)日：2024-07-04

申请号：US18388379

申请日：2023-11-09

Applicant: LG Display Co., Ltd.

Inventor： Seongjoo LEE ,  SeungHee NAM ,  JungSun BAEK ,  Yongmin KIM ,  Seungpyo HONG ,  Yooji HWANG

IPC: H10K59/122 ,  H10K59/80

CPC classification number: H10K59/122 ,  H10K59/80515 ,  H10K59/80518 ,  H10K59/878

Abstract: A subpixel for a display device can include a transistor disposed on a substrate; a first planarization layer disposed on the transistor, the first planarization layer including a concave portion that corresponds to an emission area of the subpixel; an anode electrode disposed in the concave portion of the first planarization layer, a light emitting layer disposed on the anode electrode; and a bank disposed on the anode electrode. Also, a portion of the bank is disposed in the concave portion of the first planarization layer in an area between a portion of light emitting layer and a portion of an inclined side surface of the anode electrode.