公开(公告)号：US20230217731A1

公开(公告)日：2023-07-06

申请号：US18076776

申请日：2022-12-07

Applicant: LG DISPLAY CO., LTD.

Inventor： Seokwon JI ,  Saemleenuri LEE ,  MoonSoo KIM

IPC: H01L51/00

CPC classification number: H01L27/3248 ,  H01L27/3258 ,  H01L27/3276 ,  H01L27/322

Abstract: A display apparatus includes a first substrate provided with a display area including a plurality of subpixels formed by crossing of a gate line, a data line and a power line, and a non-display area surrounding the display area, a driving thin film transistor provided on the first substrate, a planarization layer provided on the driving thin film transistor, a plurality of first electrodes provided on the planarization layer, a light emitting layer provided on the plurality of first electrodes, a second electrode provided on the light emitting layer, and a second substrate provided on the second electrode, wherein the plurality of first electrodes are electrically connected to each other through a connection portion formed between the planarization layer and the plurality of first electrodes.

公开(公告)号：US20220209171A1

公开(公告)日：2022-06-30

申请号：US17558749

申请日：2021-12-22

Applicant: LG Display Co., Ltd.

Inventor： Saemleenuri LEE ,  MoonSoo KIM ,  DoYoung KUM ,  Sungbin SHIM

IPC: H01L51/52 ,  H01L27/32

Abstract: A display device includes a substrate provided with a display area for displaying an image by a plurality of subpixels, a plurality of first electrodes provided in each of the plurality of subpixels over the substrate, a plurality of driving transistors provided over the substrate, including an active layer, a gate electrode, a source electrode and a drain electrode, a light emitting layer provided over the plurality of first electrodes, and a second electrode provided over the light emitting layer, each of the plurality of first electrodes includes a plurality of divided electrodes disposed to be spaced apart from each other, a transistor contact portion connected with the driving transistor through a contact hole, and a plurality of connection electrodes provided on the same layer as the active layer of the driving transistor, connecting each of the plurality of divided electrodes with the transistor contact portion, so that a size of a light emission area that can be a dark spot due to occurrence of particles can be substantially reduced or minimized.

公开(公告)号：US20240389401A1

公开(公告)日：2024-11-21

申请号：US18657500

申请日：2024-05-07

Applicant: LG Display Co., Ltd.

Inventor： Daehee KIM ,  MoonSoo KIM

IPC: H10K59/122 ,  H10K59/12 ,  H10K59/38

Abstract: A light emitting display apparatus includes a substrate including a display area and a non-display area, a white pixel and color pixels provided in the display area, and a fluorine-based protective layer surrounding the white pixel.

公开(公告)号：US20230180553A1

公开(公告)日：2023-06-08

申请号：US17970398

申请日：2022-10-20

Applicant: LG Display Co., Ltd.

Inventor： MoonSoo KIM ,  Saemleenuri LEE ,  Sungbai Lee

IPC: H01L27/32 ,  H01L51/56

CPC classification number: H01L27/3276 ,  H01L51/56 ,  H01L27/3213 ,  H01L2227/323

Abstract: A display device is provided, which may certainly become a dark spot in only an area in which particles occur. The display device comprises a substrate provided with a display area for displaying an image by a plurality of subpixels, a driving transistor provided over the substrate, first electrodes respectively provided in the plurality of subpixels over the driving transistor, a light emitting layer provided over the first electrodes, second electrodes respectively provided in the plurality of subpixels over the light emitting layer, and a cathode connection line provided between the plurality of subpixels. Each of the second electrodes includes a plurality of divided electrodes, and a bridge electrode connecting the plurality of divided electrodes to each other or connecting the plurality of divided electrodes with the cathode connection line.

公开(公告)号：US20240172486A1

公开(公告)日：2024-05-23

申请号：US18509225

申请日：2023-11-14

Applicant: LG Display Co., Ltd.

Inventor： Daehee KIM ,  MoonSoo KIM

IPC: H10K59/122 ,  H10K59/12 ,  H10K59/80

CPC classification number: H10K59/122 ,  H10K59/1201 ,  H10K59/80521

Abstract: An organic light-emitting display device includes a first anode electrode disposed in a first sub-pixel; a second anode electrode disposed in a second sub-pixel; a third anode electrode disposed in a third sub-pixel; at least one ground electrode disposed in the third sub-pixel and spaced apart from the third anode electrode; a first organic light-emitting layer, a first cathode electrode, a first portion of a second organic light-emitting layer, and a first portion of a second cathode electrode sequentially stacked on the first anode electrode and the second anode electrode; and a second portion of the second organic light-emitting layer and a second portion of the second cathode electrode sequentially stacked on the third anode electrode, wherein at least a portion of a side edge of the second portion of the second cathode electrode contacts the at least one ground electrode.

公开(公告)号：US20200212120A1

公开(公告)日：2020-07-02

申请号：US16726450

申请日：2019-12-24

Applicant: LG Display Co., Ltd.

Inventor： YuCheol YANG ,  Suhyeon KIM ,  MoonSoo KIM

IPC: H01L27/32

Abstract: A display device comprises a substrate provided with a first subpixel, a second subpixel, a third subpixel, and a fourth subpixel, a first electrode provided on the substrate, an organic light emitting layer arranged on the first electrode, and a second electrode arranged on the organic light emitting layer, wherein the organic light emitting layer includes a first organic light emitting layer and a second organic light emitting layer, the first organic light emitting layer and the second organic light emitting layer are arranged on the first subpixel, the second subpixel, and the fourth subpixel, only the second organic light emitting layer is arranged on the third subpixel, only the first organic light emitting layer emits light on the first subpixel and the second subpixel, only the second organic light emitting layer emits light on the third subpixel, and both of the first organic light emitting layer and the second light emitting layer emit light on the fourth subpixel. Since the organic light emitting layer may emit light in accordance with one-stack voltage even in case of a two-stack structure of the first subpixel and the second subpixel, overall power consumption may be reduced.

公开(公告)号：US20230172008A1

公开(公告)日：2023-06-01

申请号：US17977706

申请日：2022-10-31

Applicant: LG Display Co., Ltd.

Inventor： MoonSoo KIM ,  Dohong KIM ,  Sungbai LEE

IPC: H01L27/32

CPC classification number: H01L27/3248

Abstract: A transparent display device is provided, which may allow only an area, in which particles occur, to definitely become a dark spot. The transparent display device comprises a plurality of transmissive areas, and a plurality of subpixels disposed between the plurality of transmissive areas. Each of the plurality of subpixels includes a driving transistor including an active layer, a gate electrode, a source electrode and a drain electrode, a light emitting element including a first electrode, a light emitting layer and a second electrode, and a conductive organic layer provided between the driving transistor and the first electrode of the light emitting element to electrically connect the driving transistor with the first electrode. The first electrode includes a first electrode portion and a second electrode portion, and the conductive organic layer is electrically connected to the first electrode portion through a first contact hole and is electrically connected to the second electrode portion through a second contact hole.

公开(公告)号：US20220140060A1

公开(公告)日：2022-05-05

申请号：US17516116

申请日：2021-11-01

Applicant: LG Display Co., Ltd.

Inventor： MoonSoo KIM ,  Sungbai LEE ,  Suhyeon KIM

IPC: H01L27/32 ,  H01L51/52

Abstract: An electroluminescence display device comprises a substrate including a pixel area having a light emitting portion and a non-light emitting portion adjacent to the light emitting portion; a first electrode in the light emitting portion of the pixel area; an auxiliary electrode in the non-light emitting portion of the pixel area and spaced apart from the first electrode; a light emitting layer on the first electrode; a second electrode on the light emitting layer in the pixel area and connected to the light emitting layer; and an auxiliary power electrode below the first electrode and electrically connected with the auxiliary electrode.

公开(公告)号：US20250048839A1

公开(公告)日：2025-02-06

申请号：US18927697

申请日：2024-10-25

Applicant: LG Display Co., Ltd.

Inventor： MoonSoo KIM ,  DoYoung KUM

IPC: H10K59/121 ,  H10K59/122 ,  H10K59/131 ,  H10K59/35

Abstract: A display device may improve an aperture ratio. The display device comprises a substrate provided with transmissive areas and a plurality of subpixels disposed between the transmissive areas, a driving transistor provided in each of the plurality of subpixels, an anode electrode provided in each of the plurality of subpixels and coupled with the driving transistor through an anode contact hole, a bank overlapped with at least a portion of the anode contact hole over the anode electrode, a light emitting layer provided over the anode electrode and the bank, and a cathode electrode provided over the light emitting layer. An end of at least one side of the anode electrode is exposed without being covered by the bank.

公开(公告)号：US20230403885A1

公开(公告)日：2023-12-14

申请号：US18206104

申请日：2023-06-06

Applicant: LG DISPLAY CO., LTD.

Inventor： MoonSoo KIM ,  Dohong KIM

IPC: H10K59/122 ,  H10K59/121 ,  H10K59/80

CPC classification number: H10K59/122 ,  H10K59/1213 ,  H10K59/80517

Abstract: A light emitting display includes a plurality of pixels disposed on a substrate. Each of the plurality of pixels includes: a first unit electrode; a second unit electrode apart from the first unit electrode; a conductive ohmic layer between the first unit electrode and the second unit electrode; a bank on the conductive ohmic layer, the bank covering circumferences of the first unit electrode and the second unit electrode, and exposing a central portion of the first unit electrode and the second unit electrode; an emission layer on the first unit electrode, the second unit electrode and the bank; and a cathode electrode on the emission layer.