公开(公告)号：US20250048855A1

公开(公告)日：2025-02-06

申请号：US18927020

申请日：2024-10-25

Applicant: LG Display Co., Ltd.

Inventor： JeongGi YUN ,  Taehwan KIM ,  Nam-Yong KIM ,  Jonghan PARK

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

Abstract: A display device can include a substrate having emission and non-emission areas and sub-pixels, an insulating layer on the substrate, a first electrode in the sub-pixels, a bank on the insulating layer and including an opening exposing the first electrode, an organic layer on the first electrode and a second electrode. Also, the bank includes first exposed side surfaces where a first area of the bank has been removed between the sub-pixels, and includes an undercut structure that extends further into the bank from lower ends of the first exposed side surfaces, and second exposed side surfaces where a second area of the bank has been removed between the sub-pixels, and which includes a trench structure from which a portion of a thickness of the insulating layer has been removed.

公开(公告)号：US20250044906A1

公开(公告)日：2025-02-06

申请号：US18921367

申请日：2024-10-21

Applicant: LG Display Co., Ltd.

Inventor： JeongGi YUN ,  Taehwan KIM ,  Jonghan PARK

IPC: G06F3/044 ,  G06F3/041 ,  H10K59/12 ,  H10K59/40

Abstract: Disclosed is a transparent display device comprising a substrate including a transmission area and a non-transmission area including a light emission area in which a light emitting element is disposed, a touch sensor disposed over the transmission area of the substrate, a touch sensor line disposed over the non-transmission area of the substrate and extended in a first direction, a touch sensor connection line extending in a second direction, a touch sensor contact portion disposed in the transmission area and configured to electrically connect the touch sensor and the touch sensor connection line to each other, and a touch sensor bridge pattern disposed between the touch sensor contact portion and the touch sensor connection line.

公开(公告)号：US20240224610A1

公开(公告)日：2024-07-04

申请号：US18502749

申请日：2023-11-06

Applicant: LG Display Co., Ltd.

Inventor： Jonghan PARK ,  SeungHee NAM ,  YunHo KOOK ,  Eun Young PARK ,  Chaewoon LEE

IPC: H10K59/122 ,  H10K59/80

CPC classification number: H10K59/122 ,  H10K59/878

Abstract: A display device includes a substrate including a plurality of sub pixels. The device includes a transistor disposed above the substrate. The device includes a planarization layer which is disposed above the transistor and has a first open area. The device includes an anode electrode which is disposed in the first open area and a side portion of the planarization layer adjacent to the first open area. The device includes a bank which covers a part of the anode electrode and has a second open area corresponding to the first open area. The device includes an organic layer which is disposed on the anode electrode exposed by the second open area. The device includes a cathode electrode disposed on the organic layer, and a side portion of the planarization layer has a bumpy shape and an end of the anode electrode has a bumpy shape from a plan view.

公开(公告)号：US20230185415A1

公开(公告)日：2023-06-15

申请号：US18058238

申请日：2022-11-22

Applicant: LG Display Co., Ltd.

Inventor： JeongGi YUN ,  Taehwan KIM ,  Jonghan PARK

IPC: G06F3/044 ,  H10K59/40 ,  G06F3/041

CPC classification number: G06F3/0446 ,  H01L27/323 ,  G06F3/04164 ,  G06F3/0412 ,  H01L27/3244

Abstract: Disclosed is a transparent display device comprising a substrate including a transmission area and a non-transmission area including a light emission area in which a light emitting element is disposed, a touch sensor disposed over the transmission area of the substrate, a touch sensor line disposed over the non-transmission area of the substrate and extended in a first direction, a touch sensor connection line extending in a second direction, a touch sensor contact portion disposed in the transmission area and configured to electrically connect the touch sensor and the touch sensor connection line to each other, and a touch sensor bridge pattern disposed between the touch sensor contact portion and the touch sensor connection line.

公开(公告)号：US20230071206A1

公开(公告)日：2023-03-09

申请号：US17880971

申请日：2022-08-04

Applicant: LG DISPLAY CO., LTD.

Inventor： Seungho BANG ,  Jonghan PARK ,  Hyeona KIM ,  Bokyoung LEE ,  JungHo BANG

IPC: H01L27/32 ,  H01L51/52 ,  H01L51/56

Abstract: An electroluminescent display device includes a substrate having a display area surrounding a through-hole, and a non-display area disposed between the display area and the through-hole, a thin-film transistor disposed on an upper portion of the display area and a light-emitting element connected to the thin-film transistor, a plurality of insulating layers disposed between the substrate and the thin-film transistor, a planarization layer disposed between the thin-film transistor and the light-emitting element, and at least one anti-connection part disposed in the non-display area and including the plurality of insulating layers and the planarization layer, in which the planarization layer and the plurality of insulating layers, which constitute the anti-connection part, and each of the planarization layer and the plurality of insulating layers has an undercut shape in which a bottom surface is narrower than a top surface, so that the light-emitting part of the light-emitting element is disconnected in the through-hole by the anti-connection part, thereby penetration of moisture through the light-emitting part may be inhibited.

公开(公告)号：US20230209965A1

公开(公告)日：2023-06-29

申请号：US18056632

申请日：2022-11-17

Applicant: LG Display Co., Ltd.

Inventor： JeongGi YUN ,  Taehwan KIM ,  Jonghan PARK ,  Yong-Il KIM

IPC: G06F3/044

CPC classification number: H01L27/323 ,  G06F3/0446 ,  H01L27/3213 ,  H01L27/3218 ,  G06F2203/04111

Abstract: A transparent display device is provided, which may reduce loss of light transmittance due to a touch sensor and a touch line and may make sure of separating a touch sensor electrode of a touch sensor from a cathode electrode of a light emitting element. The transparent display device includes a substrate provided with a plurality of transmissive areas and a non-transmissive area including a plurality of light emission areas, a plurality of light emitting elements respectively disposed in the plurality of light emission areas on the substrate, including an anode electrode, a light emitting layer and a cathode electrode, a plurality of touch sensors respectively disposed in the plurality of transmissive areas on the substrate, including a touch sensor electrode, and a first undercut structure disposed along an edge of the transmissive area to separate the cathode electrode from the touch sensor electrode, including a plurality of eaves.

公开(公告)号：US20220085125A1

公开(公告)日：2022-03-17

申请号：US17462967

申请日：2021-08-31

Applicant: LG Display Co., Ltd.

Inventor： JeongGi YUN ,  Taehwan KIM ,  Nam-Yong KIM ,  Jonghan PARK

IPC: H01L27/32

Abstract: A display device according to an example of the present disclosure includes a substrate in which an emission area and a non-emission area are divided and a plurality of sub-pixels are defined, an insulating layer disposed on the substrate, a first electrode disposed in each of the plurality of sub-pixels, a bank disposed on the insulating layer and exposing the first electrode through an opening thereof, an organic layer disposed on the first electrode, and a second electrode disposed on the organic layer. The bank includes exposed side surfaces by removing one area thereof between the plurality of sub-pixels, an undercut structure inwardly from lower ends of the exposed side surfaces. The bank further includes exposed side surfaces by removing an area thereof between the plurality of sub-pixels, and a trench structure by removing a portion of a thickness of the insulating layer.