公开(公告)号：US12289982B2

公开(公告)日：2025-04-29

申请号：US18378468

申请日：2023-10-10

Applicant: LG DISPLAY CO., LTD.

Inventor： Joonsuk Lee ,  SeJune Kim ,  Dohyung Kim ,  Saemleenuri Lee

IPC: H10K77/10 ,  H10K50/844 ,  H10K50/86 ,  H10K59/12 ,  H10K59/121 ,  H10K59/122 ,  H10K59/124 ,  H10K59/35 ,  H10K59/38 ,  H10K59/80 ,  H10K71/00 ,  H10K71/10 ,  H10K71/20 ,  H10K71/40 ,  H10K71/60 ,  H10K102/00

Abstract: A transparent organic light emitting display apparatus includes a pixel area having an emission area and a transmission area disposed adjacent to the emission area, where the emission area is configured to display an image and the transmission area configured to pass external light. The transmission area includes a planarization layer covering a thin film transistor of the emission area, and including an overhanging portion, an encapsulation layer disposed on the planarization layer, and an undercut area disposed below the overhanging portion of the planarization layer and filled by the encapsulation layer. The transmission area further includes an emission layer, a cathode electrode, and the encapsulation layer covering the overhanging portion of the planarization layer. The emission layer, the cathode electrode and the encapsulation layer are disposed on the undercut area.

公开(公告)号：US11678507B2

公开(公告)日：2023-06-13

申请号：US17135172

申请日：2020-12-28

Applicant: LG Display Co., Ltd.

Inventor： Saemleenuri Lee ,  Dohyung Kim

IPC: H10K50/844 ,  H10K59/131

CPC classification number: H10K50/844 ,  H10K59/131

Abstract: A display apparatus is discussed, which comprises a substrate including a display area and a non-display area, an inorganic layer provided on the substrate, an organic layer provided on the inorganic layer, a light emitting diode provided in the display area of the substrate and including a first electrode, a light emitting layer and a second electrode, and a ground line provided on the organic layer and provided in at least a portion of the non-display area, wherein the ground line and the second electrode are electrically connected with each other, and the ground line includes at least one concave portion and at least one convex portion, which are arranged to adjoin each other.

公开(公告)号：US20220068225A1

公开(公告)日：2022-03-03

申请号：US17466459

申请日：2021-09-03

Applicant: LG DISPLAY CO., LTD.

Inventor： ByungSam Min ,  KangIl Kim ,  Dohyung Kim

IPC: G09G3/3291 ,  H01L27/32 ,  G09G3/3266

Abstract: A display device includes each of the plurality of data lines divided into a plurality of sub data lines, and each of the plurality of sub data lines connected to a plurality of sub pixels having the same color, the first reference voltage line connected to the plurality of first sub pixels disposed in the 8k-7th column, the plurality of second sub pixels disposed in the 8k-6th column, the plurality of third sub pixels disposed in the 8k-5th column, the plurality of fourth sub pixels disposed in the 8k-4th column, and the second reference voltage line is connected to the plurality of first sub pixels disposed in the 8k-3rd column, the plurality of second sub pixels disposed in the 8k-2nd column, the plurality of third sub pixels disposed in the 8k-1st column, the plurality of fourth sub pixels disposed in the 8k-th column.

公开(公告)号：US11244987B2

公开(公告)日：2022-02-08

申请号：US16709654

申请日：2019-12-10

Applicant: LG Display Co., Ltd.

Inventor： Dohyung Kim ,  Saemleenuri Lee ,  Seungwon Yoo ,  Joonsuk Lee ,  Seongwoo Park

IPC: H01L27/32 ,  H01L51/52 ,  H01L51/56

Abstract: An organic light emitting display apparatus is disclosed, wherein the organic light emitting display apparatus comprises a driving thin film transistor provided on a substrate and disposed in a pixel area including a plurality of sub pixels; an organic light emitting diode electrically connected with the driving thin film transistor; and a repair portion provided at one side of the organic light emitting diode, wherein the organic light emitting diode is electrically connected with the driving thin film transistor through the repair portion.

公开(公告)号：US11177339B2

公开(公告)日：2021-11-16

申请号：US16895607

申请日：2020-06-08

Applicant: LG DISPLAY CO., LTD.

Inventor： Dohyung Kim ,  Jonghyeok Im ,  Jaesung Lee ,  Seungwon Yoo

IPC: H01L27/32 ,  H01L51/52 ,  H01L51/56

Abstract: An organic light-emitting display device can include a low-level voltage line; a passivation layer that lies over the low-level voltage line; a planarization layer that lies over the passivation layer; an anode and an auxiliary electrode that lie on the planarization layer and the passivation layer, the auxiliary electrode is electrically connected to the low-level voltage line; a bank layer that lies over the anode, the planarization layer and the passivation layer and defines a light-emitting area; an organic emissive layer over the light-emitting area; and a cathode disposed on the organic light-emitting layer, in which the cathode is connected to a side of a protruding portion where the auxiliary electrode protrudes from the planarization layer.

公开(公告)号：US10971700B2

公开(公告)日：2021-04-06

申请号：US16224382

申请日：2018-12-18

Applicant: LG DISPLAY CO., LTD.

Inventor： Jonghyeok Im ,  Jaesung Lee ,  Dohyung Kim ,  Seungwon Yoo

IPC: H01L27/32 ,  H01L51/52 ,  G09G3/3233 ,  G09G3/3208

Abstract: An organic light emitting diode display is discussed. The organic light emitting diode display can include a substrate including a thin film transistor region in which a thin film transistor and an organic light emitting diode connected to the thin film transistor are disposed, and an auxiliary electrode region in which an auxiliary electrode is disposed, a barrier disposed on the auxiliary electrode, a cathode included in the organic light emitting diode, divided by the barrier, and exposing at least a portion of the auxiliary electrode, an end of the cathode being in direct contact with the auxiliary electrode, and a cover layer disposed on the cathode, the cover layer having continuity to cover the barrier and the auxiliary electrode.

公开(公告)号：US11991896B2

公开(公告)日：2024-05-21

申请号：US18189005

申请日：2023-03-23

Applicant: LG Display Co., Ltd.

Inventor： SeongYong Uhm ,  SeungHan Lee ,  Tae-Kyung Kim ,  KyuNam Kim ,  Dohyung Kim

IPC: H10K50/842 ,  H10K50/84 ,  H10K59/12

CPC classification number: H10K50/8428 ,  H10K50/846 ,  H10K59/12

Abstract: A display panel comprises a first substrate including a display area and a non-display area surrounding the display area, a light emitting diode disposed in the display area on the first substrate, an adhesive layer covering the display area and the non-display area on the first substrate, and a second substrate bonded to the first substrate by the adhesive layer, wherein the second substrate includes a barrier structure portion for defining a plurality of open spaces on one surface of the second substrate that adjoins the adhesive layer.

公开(公告)号：US11963396B2

公开(公告)日：2024-04-16

申请号：US17409544

申请日：2021-08-23

Applicant: LG Display Co., Ltd.

Inventor： Minjoo Kang ,  Dohyung Kim ,  Jaeho Choi

IPC: H10K50/87 ,  H10K50/842

CPC classification number: H10K50/87 ,  H10K50/8426

Abstract: A display device includes an encapsulating structure disposed on an array substrate, a bottom cover accommodating therein the array substrate and the encapsulating structure, and at least one heat dissipation pattern disposed between the encapsulating structure and the bottom cover. The heat dissipation pattern may include a porous framework layer and a heat emission layer composed of particles coated on the framework layer. This heat dissipation pattern may allow heat transfer from the encapsulating structure to the bottom cover to be performed more quickly and efficiently.

公开(公告)号：US11818945B2

公开(公告)日：2023-11-14

申请号：US17712878

申请日：2022-04-04

Applicant: LG DISPLAY CO., LTD.

Inventor： Joonsuk Lee ,  SeJune Kim ,  Dohyung Kim ,  Saemleenuri Lee

IPC: H10K77/10 ,  H10K50/844 ,  H10K50/86 ,  H10K59/124 ,  H10K59/38 ,  H10K71/00 ,  H10K71/20 ,  H10K59/12 ,  H10K102/00 ,  H10K59/122 ,  H10K59/35 ,  G09F9/30 ,  H10K59/121 ,  H10K59/00 ,  H10K50/84

CPC classification number: H10K77/111 ,  H10K50/844 ,  H10K50/865 ,  H10K59/124 ,  H10K59/38 ,  H10K71/00 ,  H10K71/233 ,  H10K59/1201 ,  H10K2102/311

Abstract: A method of manufacturing a transparent organic light emitting display apparatus having an emission area, and a transmission area disposed adjacent to the emission area and configured to pass external light therethrough, includes sequentially forming an interlayer dielectric and a first protection layer on a first substrate, patterning a planarization layer over the first protection layer, forming an organic light emitting device over the planarization layer, forming an encapsulation layer and an encapsulation substrate over the organic light emitting device, and exposing and etching at least some portions of the transmission area by using photolithography after the patterning of the planarization layer.

公开(公告)号：US11730046B2

公开(公告)日：2023-08-15

申请号：US17095264

申请日：2020-11-11

Applicant: LG Display Co., Ltd.

Inventor： Dohyung Kim ,  Joonsuk Lee ,  Saemleenuri Lee ,  Dasom Hong

IPC: H10K59/123 ,  H10K71/00 ,  H10K50/84 ,  H10K50/13 ,  H10K50/828 ,  H10K59/124 ,  H10K59/35

CPC classification number: H10K71/00 ,  H10K50/131 ,  H10K50/828 ,  H10K50/84 ,  H10K59/123 ,  H10K59/124 ,  H10K59/351 ,  H10K71/861

Abstract: A display device comprises a pixel electrode including a first subpixel electrode and a second subpixel electrode arranged to be spaced apart from each other within at least one subpixel of a plurality of subpixels over a substrate, a driving transistor driving the one subpixel, and a connection electrode structure electrically connecting at least one subpixel of the first subpixel electrode and the second subpixel electrode of the pixel electrode with the driving transistor.