公开(公告)号：US20240260430A1

公开(公告)日：2024-08-01

申请号：US18540372

申请日：2023-12-14

Applicant: LG Display Co., Ltd.

Inventor： KwangYong CHOI ,  EunJi PARK ,  ByeongUk GANG

IPC: H10K59/80 ,  H10K59/122

CPC classification number: H10K59/8792 ,  H10K59/122 ,  H10K59/351

Abstract: A display device capable of enhancing the negative bias temperature illumination stress (NBTiS) characteristics and the reliability of a thin film transistor, can include a substrate including having an emission area and a non-emission area, a thin film transistor disposed on the substrate, a passivation layer covering an upper portion of the thin film transistor, an overcoat layer disposed on the passivation layer and having a slit or through hole recessed toward the passivation layer, and a black bank layer disposed on the overcoat layer and formed to have a shape corresponding to the slit or through hole to form a protrusion positioned in the slit or through hole.

公开(公告)号：US20220208925A1

公开(公告)日：2022-06-30

申请号：US17555274

申请日：2021-12-17

Applicant: LG Display Co., Ltd.

Inventor： EunJi PARK ,  KyungMin KIM ,  Ji-Heun LEE

IPC: H01L27/32 ,  G09G3/3291

Abstract: A light emitting display panel includes a substrate including a non-display area and a display area with pixels, a driving light-shielding electrode on the substrate, a buffer covering the driving light-shielding electrode, a pixel driving circuit layer in the buffer, including a driving transistor connected with the driving light-shielding electrode, a planarization layer covering the pixel driving circuit layer, an anode in the planarization layer and connected with the driving light-shielding electrode and the driving transistor, a repair line in the planarization layer, a bank covering an outer portion of the anode to form an opening area from which the anode is exposed, a light emitting layer on the anode and the bank, and a cathode on the light emitting layer, wherein the repair line is connected with an island-shaped contact electrode below the repair line, and at least one insulating layer is below the contact electrode.

公开(公告)号：US20220199655A1

公开(公告)日：2022-06-23

申请号：US17528695

申请日：2021-11-17

Applicant: LG DISPLAY CO., LTD.

Inventor： EunJi PARK ,  Ji-Heun LEE ,  KyungMin KIM

IPC: H01L27/12

Abstract: A light emitting display apparatus is provided, which may repair an opened gate line using power supply lines. The light emitting display apparatus comprises a gate line provided along a first direction of a light emitting display panel, a voltage supply line provided in the light emitting display panel along a second direction different from the first direction, at least three pixels provided between two adjacent voltage supply lines and connected to the gate line, a first branch voltage supply line extended from a first voltage supply line of the two voltage supply lines along the first direction and connected to at least one pixel adjacent to the first voltage supply line among the at least three pixels, and a second branch voltage supply line extended from a second voltage supply line of the two voltage supply lines along the first direction and connected with at least one pixel adjacent to the second voltage supply line among the at least three pixels, wherein an end of the first branch voltage supply line and an end of the second branch voltage supply line are adjacent to each other.

公开(公告)号：US20200328258A1

公开(公告)日：2020-10-15

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.

公开(公告)号：US20190206949A1

公开(公告)日：2019-07-04

申请号：US16224522

申请日：2018-12-18

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.

公开(公告)号：US20230217744A1

公开(公告)日：2023-07-06

申请号：US17976557

申请日：2022-10-28

Applicant: LG Display Co., Ltd.

Inventor： EunJi PARK ,  InHyo HAN ,  Daeyoung SEO

IPC: H01L27/32 ,  H01L27/12

CPC classification number: H01L27/3276 ,  H01L27/124 ,  H01L27/3262 ,  H01L27/3265

Abstract: Embodiments of the disclosure relate to a display panel and a display device. Specifically, there may be provided a display panel and display device capable of simplifying the process, by comprising a substrate, first to fourth signal lines and an active layer disposed on the substrate, a first metal layer and a second metal layer disposed on a portion of an upper surface of the active layer and spaced apart from each other, a first insulation film disposed on the first and second metal layers, a second insulation film disposed on the first insulation film, an electrode pattern disposed on the active layer and the first insulation film and not overlapping the second insulation film, and a fifth signal line disposed on the second insulation film and crossing the first to fourth signal lines spaced apart from each other, wherein the first electrode contacts an upper surface of the first metal layer disposed on the active layer, and wherein the fifth signal line is disposed on the same layer as the first electrode.

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.