公开(公告)号：US11462604B2

公开(公告)日：2022-10-04

申请号：US16913190

申请日：2020-06-26

Applicant: LG Display Co., Ltd.

Inventor： Seongku Lee ,  Binn Kim

IPC: H01L27/32 ,  G02F1/03

Abstract: A display device includes a first electrode of a first sub pixel of a first pixel, a first electrode of a second sub pixel of the first pixel, a first electrode of a first sub pixel of a second pixel, and a first electrode of a second sub pixel of the second pixel sequentially disposed along a first direction; a 1-1 welding electrode connected to the first electrode of the first sub pixel of the first pixel, a 1-2 welding electrode connected to the first electrode of the second sub pixel of the first pixel, a 2-1 welding electrode connected to the first electrode of the first sub pixel of the second pixel, and a 2-2 welding electrode connected to the first electrode of the second sub pixel of the second pixel; and a first vertical repair line overlapping the 1-1 welding electrode and the 2-1 welding electrode and a second vertical repair line overlapping the 1-2 welding electrode and the 2-2 welding electrode, wherein the first vertical repair line and the second vertical repair line include a transparent conductive material.

公开(公告)号：US11017717B2

公开(公告)日：2021-05-25

申请号：US16431976

申请日：2019-06-05

Applicant: LG DISPLAY CO., LTD.

Inventor： Seongku Lee ,  Binn Kim

IPC: G09G3/3225 ,  G09G3/00 ,  H01L51/56 ,  H01L27/32

Abstract: An organic light emitting display panel includes a plurality of pixels arranged in a row direction; a first repair line disposed in the row direction; a plurality of auxiliary bridges, each arranged between the first repair line and each of the plurality of pixels; a plurality of first bridge patterns respectively connected to the plurality of pixels and each first bridge pattern partially overlapping each adjacent auxiliary bridge; and a plurality of second bridge patterns branched from the first repair line and each second bridge pattern partially overlapping each adjacent auxiliary bridge.

公开(公告)号：US11011596B2

公开(公告)日：2021-05-18

申请号：US16595059

申请日：2019-10-07

Applicant: LG DISPLAY CO., LTD.

Inventor： Seongku Lee ,  Binn Kim

IPC: H01L27/32

Abstract: A display device can include a plurality of sub-pixels including light emitting portions and circuit portions, and being configured to receive signals through vertical lines extending in a first direction and horizontal lines extending in a second direction intersecting the first direction; transistors disposed in the circuit portions; an overcoat layer covering the transistors; first electrodes disposed on the overcoat layer, each of the first electrodes being electrically connected to a corresponding light emitting portion among the light emitting portions and at least one of the transistors; a bank layer disposed on the first electrodes and including openings exposing the first electrodes; an open hole disposed in a region between two adjacent first electrodes among the first electrodes and penetrating through the bank layer; an organic compound layer disposed on the first electrodes; and a second electrode disposed on the organic compound layer and extending to an area inside of the open hole, in which the vertical lines and the horizontal lines are absent from the region between the two adjacent first electrodes.

公开(公告)号：US12284862B2

公开(公告)日：2025-04-22

申请号：US18313974

申请日：2023-05-08

Applicant: LG Display Co., Ltd.

Inventor： Seongku Lee

IPC: H01L51/52 ,  H10K50/814 ,  H10K50/816 ,  H10K50/818 ,  H10K50/824 ,  H10K50/844 ,  H10K59/131

Abstract: A transparent display device includes a substrate in which a sub-pixel having an organic light emitting diode and an auxiliary sub-pixel adjacent to the sub-pixel and having an auxiliary organic light emitting diode are placed, wherein the organic light emitting diode includes a 1-1 electrode in which a transparent conductive layer and a reflective layer are laminated, and the auxiliary organic light emitting diode includes a 1-2 electrode in which the transparent conductive layer is extended and provided.

公开(公告)号：US11683946B2

公开(公告)日：2023-06-20

申请号：US16938451

申请日：2020-07-24

Applicant: LG Display Co., Ltd.

Inventor： Seongku Lee

IPC: H01L51/52 ,  H01L27/32

CPC classification number: H01L51/5215 ,  H01L27/3276 ,  H01L51/5212 ,  H01L51/5218 ,  H01L51/5228 ,  H01L51/5253

Abstract: A transparent display device includes a substrate in which a sub-pixel having an organic light emitting diode and an auxiliary sub-pixel adjacent to the sub-pixel and having an auxiliary organic light emitting diode are placed, wherein the organic light emitting diode includes a 1-1 electrode in which a transparent conductive layer and a reflective layer are laminated, and the auxiliary organic light emitting diode includes a 1-2 electrode in which the transparent conductive layer is extended and provided.

公开(公告)号：US20240224680A1

公开(公告)日：2024-07-04

申请号：US18489082

申请日：2023-10-18

Applicant: LG Display Co., Ltd.

Inventor： Seongku Lee ,  Kangll Kim ,  Kihyung Lee ,  Seongkwang Kim

IPC: H10K59/131 ,  H10K59/122

CPC classification number: H10K59/1315 ,  H10K59/122

Abstract: An organic light-emitting display device includes: an auxiliary line disposed between a plurality of sub-pixels, an auxiliary line connection part connected to the auxiliary line, a passivation layer disposed on the auxiliary line connection part and configured to expose a part of the auxiliary line connection part in a contact area, an interlayer insulation layer disposed between the auxiliary line and the passivation layer. The auxiliary line connection part includes: a first auxiliary line connection part disposed below the interlayer insulation layer and connected to the auxiliary line, and a second auxiliary line connection part disposed between the interlayer insulation layer and the passivation layer and connected to the first auxiliary line connection part. A cathode electrode of each of the plurality of organic light-emitting elements disposed on the plurality of sub-pixels is in contact with the auxiliary line connection part in the contact area.

公开(公告)号：US11783780B2

公开(公告)日：2023-10-10

申请号：US17559982

申请日：2021-12-22

Applicant: LG Display Co., Ltd.

Inventor： Sunghak Jo ,  Seongku Lee

IPC: G09G3/32 ,  G09G3/3266 ,  G09G3/3258 ,  G09G3/3208

CPC classification number: G09G3/3266 ,  G09G3/32 ,  G09G3/3208 ,  G09G3/3258 ,  G09G2310/021 ,  G09G2310/0264 ,  G09G2310/0286 ,  G09G2310/0291 ,  G09G2330/00 ,  G09G2330/02 ,  G09G2330/12

Abstract: Proposed is a gate driver and a display device having the same. The gate driver includes a plurality of stage circuits, wherein each of the plurality of stage circuits includes a shift register configured to control charging and discharging of a Q node and a QB node, and a plurality of output buffers sequentially connected to the shift register, wherein each of the output buffers includes a first transistor configured to transmit a voltage of the Q node to a Q′ node, a pull-up transistor configured to output a clock signal to a gate line in response to a voltage of the Q′ node, and a pull-down transistor configured to output a low-potential voltage to the gate line in response to a voltage of the QB node.

公开(公告)号：US20220208114A1

公开(公告)日：2022-06-30

申请号：US17559982

申请日：2021-12-22

Applicant: LG Display Co., Ltd.

Inventor： Sunghak Jo ,  Seongku Lee

IPC: G09G3/3266

Abstract: Proposed is a gate driver and a display device having the same. The gate driver includes a plurality of stage circuits, wherein each of the plurality of stage circuits includes a shift register configured to control charging and discharging of a Q node and a QB node, and a plurality of output buffers sequentially connected to the shift register, wherein each of the output buffers includes a first transistor configured to transmit a voltage of the Q node to a Q′ node, a pull-up transistor configured to output a clock signal to a gate line in response to a voltage of the Q′ node, and a pull-down transistor configured to output a low-potential voltage to the gate line in response to a voltage of the QB node.