公开(公告)号：US20210193952A1

公开(公告)日：2021-06-24

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: H01L51/52 ,  H01L27/32

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：US20220208883A1

公开(公告)日：2022-06-30

申请号：US17549340

申请日：2021-12-13

Applicant: LG DISPLAY CO., LTD.

Inventor： MoonSoo KIM ,  Sungbai LEE

IPC: H01L27/32 ,  H01L51/52

Abstract: A display device includes a substrate provided with a display area for displaying an image by a plurality of subpixels, a driving transistor provided over the substrate, a first electrode provided in each of the plurality of subpixels over the driving transistor and comprised of a plurality of divided electrodes and a bridge electrode connecting the plurality of divided electrodes, a connection portion having one end connected to the driving transistor through a contact hole and another connected to the first electrode, a light emitting layer provided over the first electrode, and a second electrode provided over the light emitting layer, thereby reducing or minimizing a size of a light emission area that becomes a dark spot caused by unintended particles located therein.

公开(公告)号：US20220149128A1

公开(公告)日：2022-05-12

申请号：US17519325

申请日：2021-11-04

Applicant: LG DISPLAY CO., LTD.

Inventor： Sungbin SHIM ,  Sungbai LEE ,  MoonSoo KIM

IPC: H01L27/32 ,  H01L51/56

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：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.