公开(公告)号：US12101970B2

公开(公告)日：2024-09-24

申请号：US17519325

申请日：2021-11-04

Applicant: LG DISPLAY CO., LTD.

Inventor： Sungbin Shim ,  Sungbai Lee ,  MoonSoo Kim

IPC: H10K59/123 ,  H10K59/122 ,  H10K59/124 ,  H10K71/00 ,  H10K102/00

CPC classification number: H10K59/123 ,  H10K59/122 ,  H10K59/124 ,  H10K71/00 ,  H10K71/831 ,  H10K2102/341

Abstract: A light emitting display device includes a light emitting element including a pixel electrode, a common electrode, and a light emitting layer interposed between the pixel electrode and the common electrode, and a pixel circuit electrically connected to the pixel electrode of the light emitting element, wherein the pixel electrode may include a first pixel electrode portion, a second pixel electrode portion spaced apart from the first pixel electrode portion, a circuit contact portion connected to the pixel circuit, a first electrode connection portion connected or disconnected between the first pixel electrode portion and the circuit contact portion, and a second electrode connection portion connected or disconnected between the second pixel electrode portion and the circuit contact portion.

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：US11765924B2

公开(公告)日：2023-09-19

申请号：US17114430

申请日：2020-12-07

Applicant: LG Display Co., Ltd.

Inventor： Sungbin Shim ,  Suhyeon Kim ,  SeJune Kim ,  Sungbai Lee

IPC: H10K59/84 ,  H10K59/126 ,  H10K50/813 ,  G09G3/3275 ,  G09G3/3233 ,  G09G3/3266 ,  H10K71/00

CPC classification number: H10K50/813 ,  H10K59/126 ,  H10K59/84 ,  G09G3/3233 ,  G09G3/3266 ,  G09G3/3275 ,  G09G2300/0426 ,  H10K71/861

Abstract: A light emitting display panel includes a substrate, a pixel driving circuit disposed on the substrate, a planarization layer disposed on the pixel driving circuit, a pixel driving electrode disposed on the planarization layer and electrically connected to the pixel driving circuit, a light emitting layer disposed on the pixel driving electrode, and a common electrode disposed on the light emitting layer. The pixel driving electrode includes a plurality of first electrodes apart from one another and a second electrode covering the first electrodes, and at least one of the second electrode or the plurality of first electrodes is connected to the pixel driving circuit.

公开(公告)号：US12284886B2

公开(公告)日：2025-04-22

申请号：US17516116

申请日：2021-11-01

Applicant: LG Display Co., Ltd.

Inventor： MoonSoo Kim ,  Sungbai Lee ,  Suhyeon Kim

IPC: H10K59/131 ,  H10K50/814 ,  H10K50/818 ,  H10K50/824

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.