公开(公告)号：US11825695B2

公开(公告)日：2023-11-21

申请号：US17390227

申请日：2021-07-30

Applicant: LG Display Co., Ltd.

Inventor： Soyoung Lee ,  Hun Jang ,  Daeyoung Seo

IPC: H01L29/08 ,  H10K59/121 ,  H10K59/131

CPC classification number: H10K59/1213 ,  H10K59/1216 ,  H10K59/131

Abstract: A pixel is discussed, which is disposed in a pixel area defined by a gate line, a data line and a pixel power line, and includes a light emission portion and a pixel circuit, wherein the pixel circuit can include a protrusion electrode protruded from the gate line along a length direction of the data line, and first and second thin film transistors disposed in parallel between the light emission portion and the gate line, using the protrusion electrode as a gate electrode.

公开(公告)号：US20230217721A1

公开(公告)日：2023-07-06

申请号：US17977819

申请日：2022-10-31

Applicant: LG Display Co., Ltd.

Inventor： Sejong Seong ,  Seungkyeom Kim ,  Soyoung Lee

IPC: H01L27/32 ,  H01L27/12

CPC classification number: H01L27/3246 ,  H01L27/3276 ,  H01L27/3262 ,  H01L27/124

Abstract: A light emitting display apparatus includes a planarization layer provided in a substrate, a plurality of anodes provided on the planarization layer, a bank including opening regions exposing the anodes, a light emitting layer provided on the plurality of anodes and the bank, and a cathode provided on the light emitting layer, the cathode including a boundary region cathode and a main cathode, wherein a boundary groove is at an outer portion of each of the plurality of anodes.

公开(公告)号：US12069912B2

公开(公告)日：2024-08-20

申请号：US17461224

申请日：2021-08-30

Applicant: LG Display Co., Ltd.

Inventor： Hun Jang ,  Daeyoung Seo ,  Soyoung Lee

IPC: H01L29/08 ,  G09G3/3225 ,  H10K59/121 ,  H10K59/131

CPC classification number: H10K59/131 ,  G09G3/3225 ,  H10K59/1213 ,  H10K59/1216

Abstract: A light emitting display device includes a substrate, a pixel area having an emission area and a non-emission area on the substrate, a light emitting diode disposed in the pixel area, and a pixel driving circuit electrically connected with the light emitting diode and having a driving thin film transistor disposed in the emission area, wherein light emitted from the light emitting diode can be emitted to the outside of the substrate by passing through the substrate.

公开(公告)号：US11864424B2

公开(公告)日：2024-01-02

申请号：US17388819

申请日：2021-07-29

Applicant: LG DISPLAY CO., LTD.

Inventor： Hun Jang ,  Daeyoung Seo ,  Soyoung Lee

IPC: H01L29/08 ,  H10K59/121

CPC classification number: H10K59/1216

Abstract: A pixel comprises a pixel circuit connected to gate and data lines, and a light emitting diode having a first electrode connected to the pixel circuit, wherein the pixel circuit may include a driving thin film transistor connected to the first electrode of the light emitting diode, a first capacitor formed in a horizontal direction between a gate electrode and a source electrode of the driving thin film transistor, and a second capacitor formed in a vertical direction between the gate electrode of the driving thin film transistor and the first electrode of the light emitting diode.

公开(公告)号：US11825719B2

公开(公告)日：2023-11-21

申请号：US17517676

申请日：2021-11-03

Applicant: LG Display Co., Ltd.

Inventor： Hun Jang ,  Daeyoung Seo ,  Soyoung Lee

IPC: H10K59/35 ,  H10K59/131 ,  H10K71/00 ,  H10K59/12

CPC classification number: H10K59/353 ,  H10K59/131 ,  H10K59/351

Abstract: A light emitting display device comprises a subpixel having a light emitting element disposed in a light emission area on a substrate and a circuit area in which a circuit for driving the light emitting element is disposed, a gate line disposed in the circuit area in a first direction, and at least one power line disposed in a second direction crossing the first direction, the at least one power line including a first power bridge line and a second power bridge line which are spaced apart from each other in the first direction.

公开(公告)号：US20240420623A1

公开(公告)日：2024-12-19

申请号：US18653715

申请日：2024-05-02

Applicant: LG Display Co., Ltd.

Inventor： Junhyeok Lee ,  YoungIn Jang ,  Soyoung Lee ,  HyunGon Kim

IPC: G09G3/32 ,  G09G3/20 ,  H01L27/15 ,  H01L33/60

Abstract: A display device includes a display panel in which a plurality of first pixel areas and a plurality of second pixel areas each including a plurality of sub pixels are defined; a pixel circuit which is disposed in each of the plurality of sub pixels and includes a driving transistor; and a welding transistor which selectively connects the pixel circuits of the first pixel area and a second pixel area which are adjacent to each other, among the plurality of first pixel areas and the plurality of second pixel areas. Accordingly, the welding transistor is used to further supply a driving current of the pixel circuit to the light emitting diode of an adjacent sub pixel to improve the luminance.

公开(公告)号：US20240224628A1

公开(公告)日：2024-07-04

申请号：US18480912

申请日：2023-10-04

Applicant: LG Display Co., Ltd.

Inventor： Insu Hwang ,  Dongik Kim ,  Soyoung Lee

IPC: H10K59/126

CPC classification number: H10K59/126

Abstract: A display device in one example includes an emitting area located in an active area, a non-emitting area located in the active area, a metal layer located in the non-emitting area, an active layer located in the non-emitting area, a light shield located in the non-emitting area, and a low reflective layer located in the non-emitting area so that at least a portion of the low reflective layer overlaps the light shield. Thus, the display device has a low reflectivity, and it is possible to prevent degradations in the display quality due to parasitic capacitance.

公开(公告)号：US20220208878A1

公开(公告)日：2022-06-30

申请号：US17517676

申请日：2021-11-03

Applicant: LG Display Co., Ltd.

Inventor： Hun Jang ,  Daeyoung Seo ,  Soyoung Lee

IPC: H01L27/32

Abstract: A light emitting display device comprises a subpixel having a light emitting element disposed in a light emission area on a substrate and a circuit area in which a circuit for driving the light emitting element is disposed, a gate line disposed in the circuit area in a first direction, and at least one power line disposed in a second direction crossing the first direction, the at least one power line including a first power bridge line and a second power bridge line which are spaced apart from each other in the first direction.

公开(公告)号：US10204930B2

公开(公告)日：2019-02-12

申请号：US15801120

申请日：2017-11-01

Applicant: LG Display Co., Ltd.

Inventor： Youngmin Jeong ,  Seunghwan Shin ,  Daeyoung Seo ,  Soyoung Lee

IPC: H01L27/12 ,  G02F1/1362 ,  G02F1/1343

Abstract: A display device is described that has reduced resistance in one or more of the gate, common, data electrical lines that control the operation of the pixels of the display device. Reduced resistance is achieved by forming additional metal and/or metal-alloy layers on the gate, common, and/or data lines in such a manner so that the cross-sectional area of those lines is increased. As a consequence, each such line is formed so as to be thicker than could otherwise be achieving without causing defects in the rubbing process of an alignment layer. Additionally, no widening of these lines is needed, thus preserving the aspect ratio of the device. The gate insulating and semiconducting layers that in part make up the thin film transistors that help control the operation of the pixels of the device may also be designed to take into account the increased thickness of the lines.

公开(公告)号：US12085817B2

公开(公告)日：2024-09-10

申请号：US17390521

申请日：2021-07-30

Applicant: LG Display Co., Ltd.

Inventor： Daeyoung Seo ,  Hun Jang ,  Soyoung Lee

IPC: G02F1/1345 ,  G02F1/01 ,  G09G3/3225 ,  H10K59/131

CPC classification number: G02F1/13452 ,  G02F1/0123 ,  G02F1/13454 ,  G02F1/13456 ,  G09G3/3225 ,  H10K59/131

Abstract: A display device according to an example includes a first power sharing line disposed to be parallel with a first direction, first and second pixels disposed along a second direction crossing the first direction with the first power sharing line interposed therebetween, and a second power sharing line disposed to be parallel with the first power sharing line with any one of the first and second pixels interposed therebetween.