公开(公告)号：US10825393B2

公开(公告)日：2020-11-03

申请号：US15845771

申请日：2017-12-18

Applicant: LG DISPLAY CO., LTD.

Inventor： JinYeong Kim ,  HyeonHo Son ,  HanSaem Kang

IPC: G09G3/3241 ,  H01L27/15 ,  H01L33/06 ,  H01L33/32 ,  H01L33/60 ,  H01L33/42 ,  G09G3/3233

Abstract: Disclosed is a light emitting diode display device for minimizing a screen defect caused by a defect of a light emitting diode device. The light emitting diode display device includes a plurality of subpixels which each include first to Nth (where N is a natural number equal to or greater than two) light emitting diode devices emitting light with the data current and a pixel circuit including first to Nth driving transistors respectively supplying the data current corresponding to a data signal to the first to Nth light emitting diode devices.

公开(公告)号：US10663787B2

公开(公告)日：2020-05-26

申请号：US16710136

申请日：2019-12-11

Applicant: LG DISPLAY CO., LTD.

Inventor： JinYeong Kim ,  DongHoon Lee ,  JinWoo Park ,  Bogyun Chung

IPC: G02F1/1334 ,  G02F1/1335 ,  G02F1/1347

Abstract: Disclosed is a display device that includes a display area having an appearance of a specific color in a non-driving state or displaying a specific screen by using PDLC to improve esthetic appearance as in a home appliance. The display device comprises a reflective dispersed layer arranged on a display panel, wherein the reflective dispersed layer includes a PDLC layer between a first substrate and a second substrate, and a transflective layer arranged between the PDLC layer and the second substrate to transmit light externally emitted from the display panel and reflect externally incident light.

公开(公告)号：US20240290249A1

公开(公告)日：2024-08-29

申请号：US18397082

申请日：2023-12-27

Applicant: LG Display Co., Ltd.

Inventor： WonJun Choi ,  JinYeong Kim

IPC: G09G3/32 ,  H01L25/075 ,  H01L25/16 ,  H01L33/10 ,  H01L33/62

CPC classification number: G09G3/32 ,  H01L25/0753 ,  H01L25/167 ,  H01L33/10 ,  H01L33/62 ,  G09G2310/0267 ,  G09G2330/06

Abstract: A display device is disclosed. The display device includes a first substrate; a plurality of wiring lines that are on the first substrate and are connected to a plurality of data pads and a plurality of gate pads; and one pair of electrostatic discharge circuits connected to the plurality of wiring lines, respectively, one of the one pair of electrostatic discharge circuits is electrically connected to a plurality of high potential power lines and the other is electrically connected to a plurality of low potential power lines. Accordingly, one pair of electrostatic discharge circuits is connected to each of the plurality of wiring lines to easily protect the plurality of wiring lines from the static electricity.

公开(公告)号：US20240087510A1

公开(公告)日：2024-03-14

申请号：US18512589

申请日：2023-11-17

Applicant: LG Display Co., Ltd.

Inventor： JinYeong Kim ,  SeongHwan Ju ,  HyeonHo Son

IPC: G09G3/32

CPC classification number: G09G3/32 ,  G09G2300/0408 ,  G09G2300/0443 ,  G09G2300/0819 ,  G09G2300/0861 ,  G09G2310/02 ,  G09G2310/0286

Abstract: A display device according to the present invention comprises: a display panel in which a plurality of unit pixels are arranged; and a gate driver which is disposed at the upper surface of the display panel and is embedded in the plurality of unit pixels, wherein each of the plurality of unit pixels comprises a main pixel and a sub-pixel, and the gate driver supplies a gate voltage to the main pixel and the sub-pixel. Accordingly, in the present invention, even when the main pixel is defective, the sub-pixel can emit light in place of the main pixel, and thus the display device has enhanced reliability against defects.

公开(公告)号：US11837158B2

公开(公告)日：2023-12-05

申请号：US17903817

申请日：2022-09-06

Applicant: LG Display Co., Ltd.

Inventor： JinYeong Kim ,  HyeonHo Son ,  SeongHwan Ju

IPC: G09G3/32

CPC classification number: G09G3/32 ,  G09G2300/0443 ,  G09G2310/0267 ,  G09G2310/0275 ,  G09G2320/0233

Abstract: A display panel includes a pixel including sub pixels. The pixel includes a sub pixel area in which the sub pixels are disposed and a common area. The pixel includes a light emitting diode including an anode electrode and a cathode electrode, and the anode electrode is electrically connected to a first power line to which a high potential voltage is supplied. Each of the sub pixels includes a driving element in which a source is connected to a N1 node, a gate is connected to a N2 node, and a drain is connected to a N3 node, a capacitor connected to the N2 node and a N4 node; a N1 switching circuit connected to the N1 node; a N2 switching circuit connected to the N2 node; a N3 switching circuit connected to the N3 node; and a N4 switching circuit connected to the N4 node.

公开(公告)号：US11915637B2

公开(公告)日：2024-02-27

申请号：US17776562

申请日：2020-09-01

Applicant: LG DISPLAY CO., LTD.

Inventor： SeongHwan Ju ,  JinYeong Kim ,  HyeonHo Son ,  Hyunwoo Kim

IPC: G09G3/32 ,  G09G3/3266

CPC classification number: G09G3/32 ,  G09G3/3266 ,  G09G2300/0408 ,  G09G2300/0452 ,  G09G2300/0819 ,  G09G2300/0842 ,  G09G2300/0861 ,  G09G2310/08 ,  G09G2330/08

Abstract: According to an aspect of the present disclosure, there is provided a display device including a plurality of unit pixels comprising a main pixel and a redundancy pixel which emit a same color; and a gate driver integrated in each of the plurality of unit pixels and comprising a plurality of stages, wherein each of the plurality of stages comprises a scan driving circuit for outputting a first scan signal and a second scan signal; and an emission driving circuit for outputting an emission control signal, wherein an output timing of the first scan signal supplied to the main pixel is the same as an output timing of the first scan signal supplied to the redundancy pixel, and wherein an output timing of the second scan signal supplied to the main pixel is different from an output timing of the second scan signal supplied to the redundancy pixel.

公开(公告)号：US20240062712A1

公开(公告)日：2024-02-22

申请号：US18494542

申请日：2023-10-25

Applicant: LG Display Co., Ltd.

Inventor： JinYeong Kim ,  HyeonHo Son ,  SeongHwan Ju

IPC: G09G3/32

CPC classification number: G09G3/32 ,  G09G2300/0443 ,  G09G2310/0267 ,  G09G2310/0275 ,  G09G2320/0233

Abstract: A display panel includes a pixel including sub pixels. The pixel includes a sub pixel area in which the sub pixels are disposed and a common area. The pixel includes a light emitting diode including an anode electrode and a cathode electrode, and the anode electrode is electrically connected to a first power line to which a high potential voltage is supplied. Each of the sub pixels includes a driving element in which a source is connected to a N1 node, a gate is connected to a N2 node, and a drain is connected to a N3 node, a capacitor connected to the N2 node and a N4 node; a N1 switching circuit connected to the N1 node; a N2 switching circuit connected to the N2 node; a N3 switching circuit connected to the N3 node; and a N4 switching circuit connected to the N4 node.

公开(公告)号：US11100861B2

公开(公告)日：2021-08-24

申请号：US17033033

申请日：2020-09-25

Applicant: LG Display Co., Ltd.

Inventor： JinYeong Kim ,  HyeonHo Son ,  HanSaem Kang

IPC: G09G3/3241 ,  H01L27/15 ,  H01L33/06 ,  H01L33/32 ,  H01L33/60 ,  H01L33/42 ,  G09G3/3233

Abstract: Discussed is a light emitting diode display device including a plurality of pixels displaying an image based on a data signal, the plurality of pixels each including: a first and second light emitting diode devices emitting light, a first and second driving transistors electrically connected to the first and second light emitting diode devices respectively, an insulation layer covering the first and second driving transistors and a planarization layer on the insulation layer and an adhesive member between the insulation layer and the first and the second light emitting diode devices, wherein each of the first and second light emitting diode devices includes: a first portion including a first electrode and a second electrode and a second portion opposite to the first portion, and wherein the adhesive member is interposed between the second portion of each of the first and the second light emitting diode devices and the insulation layer.

公开(公告)号：US20220415249A1

公开(公告)日：2022-12-29

申请号：US17903817

申请日：2022-09-06

Applicant: LG Display Co., Ltd.

Inventor： JinYeong Kim ,  HyeonHo Son ,  SeongHwan Ju

IPC: G09G3/32

Abstract: A display panel includes a pixel including sub pixels. The pixel includes a sub pixel area in which the sub pixels are disposed and a common area. The pixel includes a light emitting diode including an anode electrode and a cathode electrode, and the anode electrode is electrically connected to a first power line to which a high potential voltage is supplied. Each of the sub pixels includes a driving element in which a source is connected to a N1 node, a gate is connected to a N2 node, and a drain is connected to a N3 node, a capacitor connected to the N2 node and a N4 node; a N1 switching circuit connected to the N1 node; a N2 switching circuit connected to the N2 node; a N3 switching circuit connected to the N3 node; and a N4 switching circuit connected to the N4 node.

公开(公告)号：US20220406248A1

公开(公告)日：2022-12-22

申请号：US17776562

申请日：2020-09-01

Applicant: LG DISPLAY CO., LTD.

Inventor： SeongHwan Ju ,  JinYeong Kim ,  HyeonHo Son ,  Hyunwoo Kim

IPC: G09G3/32

Abstract: According to an aspect of the present disclosure, there is provided a display device including a plurality of unit pixels comprising a main pixel and a redundancy pixel which emit a same color; and a gate driver integrated in each of the plurality of unit pixels and comprising a plurality of stages, wherein each of the plurality of stages comprises a scan driving circuit for outputting a first scan signal and a second scan signal; and an emission driving circuit for outputting an emission control signal, wherein an output timing of the first scan signal supplied to the main pixel is the same as an output timing of the first scan signal supplied to the redundancy pixel, and wherein an output timing of the second scan signal supplied to the main pixel is different from an output timing of the second scan signal supplied to the redundancy pixel.