公开(公告)号：US20240212594A1

公开(公告)日：2024-06-27

申请号：US18526934

申请日：2023-12-01

Applicant: LG Display Co., Ltd.

Inventor： Youngjun CHOI ,  SoJung LEE ,  YoungIn JANG

IPC: G09G3/3225

CPC classification number: G09G3/3225 ,  G09G2300/0819 ,  G09G2300/0842 ,  G09G2310/0262 ,  G09G2310/08 ,  G09G2330/021

Abstract: The present disclosure relates to a display device including scan lines, data lines, control signal lines, and subpixels. A first subpixel among the subpixels includes a first light emitting element including an anode electrode and a cathode electrode; a first driving circuit connected to a first scan line of the plurality of scan lines and a first data line of the plurality of data lines and configured to drive the first light emitting element; a first light emitting control transistor configured to be turned on or off according to a first light emitting control signal supplied to its gate node and control a connection between the first light emitting element and the first driving circuit; and a first light emitting control circuit configured to output a first light emitting control signal to the gate node of the first light emitting control transistor.

公开(公告)号：US20240047616A1

公开(公告)日：2024-02-08

申请号：US18224782

申请日：2023-07-21

Applicant: LG Display Co., Ltd.

Inventor： YoungIn JANG ,  Soyoung LEE ,  HyunGon KIM

IPC: H01L33/38 ,  H01L33/62 ,  H01L25/075

CPC classification number: H01L33/382 ,  H01L33/62 ,  H01L25/0753 ,  H01L2933/0066 ,  H01L2933/0016

Abstract: According to an aspect of the present disclosure, a display device includes a substrate in which a plurality of sub-pixels is defined, a light emitting element disposed on each of the plurality of sub-pixels, and a first connection electrode surrounding a first semiconductor layer disposed at a lower part of the light emitting element, a second connection electrode in contact with a top surface of the light emitting element, a first planarization layer disposed between the first connection electrode and the second connection electrode and having a smaller thickness than the first semiconductor layer of the light emitting element, and a second planarization layer disposed between the first planarization layer and the second connection electrode.

公开(公告)号：US20240029639A1

公开(公告)日：2024-01-25

申请号：US18355159

申请日：2023-07-19

Applicant: LG Display Co., Ltd.

Inventor： Subin KIM ,  YoungIn JANG ,  KyungYun KANG

IPC: G09G3/32

CPC classification number: G09G3/32 ,  G09G2310/0267 ,  G09G2300/026

Abstract: A display apparatus includes a substrate including a display area including a plurality of pixels disposed along a first direction and a second direction intersecting with the first direction, a gate driving circuit disposed at each of a plurality of horizontal lines of the display area, the gate driving circuit including a plurality of stage circuit units for supplying a scan signal to the plurality of pixels, a plurality of gate control lines connected to the plurality of stage circuit units disposed at the display area, a plurality of dummy lines disposed respectively adjacent to the plurality of gate control lines, and a plurality of carry signal lines connected between the plurality of stage circuit units disposed at the display area, each of the plurality of carry signal lines may comprise a plurality of line patterns disposed at different layers.

公开(公告)号：US20240029634A1

公开(公告)日：2024-01-25

申请号：US18223868

申请日：2023-07-19

Applicant: LG Display Co., Ltd.

Inventor： Subin KIM ,  YoungIn JANG

IPC: G09G3/32

CPC classification number: G09G3/32 ,  G09G2310/0267 ,  G09G2300/026

Abstract: The present disclosure relates to a display apparatus and a multi-screen display apparatus including the same. The display apparatus includes a substrate including a display area including a plurality of pixels disposed along a first direction and a second direction intersecting with the first direction, and a gate driving circuit including a plurality of stage circuit units respectively disposed at a plurality of horizontal lines of the display area to supply a scan signal to the plurality of pixels. Each of the plurality of stage circuit units includes a plurality of branch circuits supplying the scan signal to the plurality of pixels, and a plurality of circuit connection lines connected to the plurality of branch circuits and formed of a transparent conductive material.

公开(公告)号：US20220199952A1

公开(公告)日：2022-06-23

申请号：US17552034

申请日：2021-12-15

Applicant: LG Display Co., Ltd.

Inventor： YoungIn JANG ,  KyungMin KIM ,  EunJi PARK

IPC: H01L51/52 ,  H01L27/32

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：US20220102471A1

公开(公告)日：2022-03-31

申请号：US17470510

申请日：2021-09-09

Applicant: LG DISPLAY CO., LTD.

Inventor： YoungIn JANG ,  Ji-Heun LEE ,  EunJi PARK

IPC: H01L27/32 ,  G09G3/3291

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.