公开(公告)号：US10818241B2

公开(公告)日：2020-10-27

申请号：US16226432

申请日：2018-12-19

Applicant: LG DISPLAY CO., LTD.

Inventor： Kyung-Rok Kim ,  Taegung Kim ,  Haejin Park ,  EunJi Park ,  Kimin Son

IPC: G09G3/3266 ,  G09G3/32 ,  G09G3/3275 ,  G06F3/044 ,  H01L27/32 ,  G06F3/041

Abstract: The display apparatus may include gate lines passing through a display area of a substrate, data lines passing through the display area of the substrate, pixel driving power lines passing through the display area of the substrate, a plurality of pixels having a pixel driving chip mounted on at least one pixel area defined on the substrate and connected and connected to an adjacent gate line and data line and a light emission part connected to the pixel driving chip, a gate driving chip array part mounted in a non-display area of the substrate and connected to the gate lines, and a data driving chip array part mounted in the non-display area of the substrate and connected to the data lines.

公开(公告)号：US20220208946A1

公开(公告)日：2022-06-30

申请号：US17565365

申请日：2021-12-29

Applicant: LG Display Co., Ltd.

Inventor： KyungMin Kim ,  EunJi Park ,  YoungIn Jang

IPC: H01L27/32

Abstract: A light emitting display apparatus includes a display area including pixels in first to mth horizontal lines parallel to a first direction over a first substrate, gate lines at the first to mth horizontal lines of the display area, gate control lines between the plurality of pixels, and a gate driving circuit including first to mth stage circuit parts at the display area and coupled to the gate lines and the gate control lines. Each of the first to mth stage circuit parts includes a plurality of branch circuits dispersively between the pixels along the first direction and coupled to the gate control lines, and a branch network coupled to the plurality of branch circuits. Each of the branch network of the first stage circuit unit and the mth stage circuit unit is disposed between two adjacent pixels along the second direction.

公开(公告)号：US20190206330A1

公开(公告)日：2019-07-04

申请号：US16226432

申请日：2018-12-19

Applicant: LG DISPLAY CO., LTD.

Inventor： Kyung-Rok Kim ,  Taegung Kim ,  Haejin Park ,  EunJi Park ,  Kimin Son

IPC: G09G3/3266 ,  G09G3/32 ,  G09G3/3275 ,  G06F3/044 ,  H01L27/32

Abstract: Disclosed is a display apparatus with a simplified configuration. The display apparatus may include gate lines passing through a display area of a substrate, data lines passing through the display area of the substrate, pixel driving power lines passing through the display area of the substrate, a plurality of pixels having a pixel driving chip mounted on at least one pixel area defined on the substrate and connected and connected to an adjacent gate line and data line and a light emission part connected to the pixel driving chip, a gate driving chip array part mounted in a non-display area of the substrate and connected to the gate lines, and a data driving chip array part mounted in the non-display area of the substrate and connected to the data lines.

公开(公告)号：US12295229B2

公开(公告)日：2025-05-06

申请号：US17565365

申请日：2021-12-29

Applicant: LG Display Co., Ltd.

Inventor： KyungMin Kim ,  EunJi Park ,  YoungIn Jang

IPC: H10K59/131 ,  H01L25/065 ,  H01L25/18 ,  H10K77/10

Abstract: A light emitting display apparatus includes a display area including pixels in first to mth horizontal lines parallel to a first direction over a first substrate, gate lines at the first to mth horizontal lines of the display area, gate control lines between the plurality of pixels, and a gate driving circuit including first to mth stage circuit parts at the display area and coupled to the gate lines and the gate control lines. Each of the first to mth stage circuit parts includes a plurality of branch circuits dispersively between the pixels along the first direction and coupled to the gate control lines, and a branch network coupled to the plurality of branch circuits. Each of the branch network of the first stage circuit unit and the mth stage circuit unit is disposed between two adjacent pixels along the second direction.

公开(公告)号：US12144214B2

公开(公告)日：2024-11-12

申请号：US17470510

申请日：2021-09-09

Applicant: LG DISPLAY CO., LTD.

Inventor： YoungIn Jang ,  Ji-Heun Lee ,  EunJi Park

IPC: H10K59/131 ,  G09G3/3291 ,  H10K59/122

Abstract: A light emitting display panel and a light emitting display apparatus including the same, in which a cathode is connected to an auxiliary cathode electrode through an undercut region provided under a planarization layer, are provided. The light emitting display panel includes a substrate, an auxiliary cathode electrode provided in the substrate, a passivation layer covering the auxiliary cathode electrode, an anode provided on the passivation layer, a bank surrounding an outer portion of the anode, a light emitting layer provided on the anode, and a cathode provided on the light emitting layer, the cathode is connected to the auxiliary cathode electrode through a connection electrode exposed at an undercut region passing through the bank and the passivation layer.

公开(公告)号：US20230217720A1

公开(公告)日：2023-07-06

申请号：US17975509

申请日：2022-10-27

Applicant: LG Display Co., Ltd.

Inventor： Seonghwan Hwang ,  ByeongUk Gang ,  EunJi Park

IPC: H01L27/32

CPC classification number: H01L27/3246 ,  H01L27/322

Abstract: The present disclosure relates to an organic light emitting display device and an organic light emitting display panel including color filters disposed on a substrate and overlapping an emission area, a first insulating layer disposed on the color filters, a first active layer disposed on the first insulating layer, a gate electrode disposed on an upper surface of the first active layer, a second insulating layer disposed on the first active layer and the gate electrode and comprising a hole exposing a portion of the upper surface of the first active layer, a bank disposed on the second insulating layer and comprising an opening overlapping the hole of the second insulating layer, an organic layer disposed on the portion of the upper surface of the first active layer and the bank, and a cathode electrode disposed on the organic layer, thereby providing the organic light emitting display device and the organic light emitting display panel that are capable of simplifying the process.

公开(公告)号：US12284864B2

公开(公告)日：2025-04-22

申请号：US17552034

申请日：2021-12-15

Applicant: LG Display Co., Ltd.

Inventor： YoungIn Jang ,  KyungMin Kim ,  EunJi Park

IPC: H01L21/78 ,  H10K50/844 ,  H10K59/131 ,  H01L25/10 ,  H10K59/122 ,  H10K59/124

Abstract: A light emitting display apparatus may include a display portion including a plurality of pixel areas disposed on a substrate, a circuit layer including a plurality of pixel driving lines disposed in the plurality of pixel areas, a light emitting device layer including a light emitting layer disposed on the circuit layer in the plurality of pixel areas, an encapsulation layer disposed on the light emitting device layer, and a routing portion surrounding a front periphery portion and an outer surface of the substrate and including a plurality of routing lines which pass through the encapsulation layer disposed at the front periphery portion of the substrate to be connected to the plurality of pixel driving lines.

公开(公告)号：US11776485B2

公开(公告)日：2023-10-03

申请号：US17565361

申请日：2021-12-29

Applicant: LG Display Co., Ltd.

Inventor： EunJi Park ,  KyungMin Kim ,  YoungIn Jang

IPC: G09G3/3291 ,  G09G3/3258

CPC classification number: G09G3/3291 ,  G09G3/3258 ,  G09G2300/026

Abstract: A display includes a display area having pixels arranged along a first direction and a second direction crossing the first direction over a substrate. Gate lines, data lines, and reference voltage lines are disposed at the display area and are coupled to the pixels. A gate driving circuit includes stage circuit units disposed at the display area and coupled to each of the gate lines. The stage circuit units include branch circuits divisionally disposed between the pixels along the first direction and a branch network disposed at a network line formation portion positioned at one side of each of the pixels disposed along the first direction. The branch network includes control node lines and network lines selectively coupled to the branch circuits. An additional pattern portion is disposed at the network line formation portion to overlap a reference voltage line disposed at each of some of the pixels.

公开(公告)号：US20220208130A1

公开(公告)日：2022-06-30

申请号：US17565361

申请日：2021-12-29

Applicant: LG Display Co., Ltd.

Inventor： EunJi Park ,  KyungMin Kim ,  YoungIn Jang

IPC: G09G3/3291 ,  G09G3/3258

Abstract: A display apparatus includes a display area having pixels arranged along a first direction and a second direction crossing the first direction over a substrate. Gate lines, data lines, and reference voltage lines are disposed at the display area and are coupled to the pixels. A gate driving circuit includes stage circuit units disposed at the display area and coupled to each of the gate lines. The stage circuit units include branch circuits divisionally disposed between the pixels along the first direction and a branch network disposed at a network line formation portion positioned at one side of each of the pixels disposed along the first direction. The branch network includes control node lines and network lines selectively coupled to the branch circuits. An additional pattern portion is disposed at the network line formation portion to overlap a reference voltage line disposed at each of some of the pixels.

公开(公告)号：US11101330B2

公开(公告)日：2021-08-24

申请号：US16911252

申请日：2020-06-24

Applicant: LG Display Co., Ltd.

Inventor： EunJi Park ,  Sungman Han ,  Kihyung Lee

IPC: H01L27/32

Abstract: Disclosed is an electroluminescent display device comprising a substrate, a circuit device layer including a signal line on the substrate, a bank defining a first emission area and a second emission area on the circuit device layer, and a first emission layer in the first emission area, and a second emission layer in the second emission area, wherein the first emission area is overlapped with the signal line, and a width of the first emission area is the same as or less than a width of the signal line.