公开(公告)号：US20240258480A1

公开(公告)日：2024-08-01

申请号：US18290644

申请日：2022-07-22

Applicant: LG ELECTRONICS INC. ,  LG DISPLAY CO., LTD.

Inventor： Youngdo KIM ,  Hyeseon EOM ,  Juhyun NAM ,  Hun JANG

IPC: H01L33/62 ,  H01L25/16 ,  H01L33/54

CPC classification number: H01L33/62 ,  H01L25/167 ,  H01L33/54

Abstract: A display device according to the embodiment includes a substrate, a first assembly wiring and a second assembly wiring alternately arranged on the substrate and spaced apart from each other, a planarization layer disposed on the first assembly wiring and the second assembly wiring and having an opening and a contact portion, a light emitting device disposed inside the opening and having a first electrode overlapping the first assembly wiring and the second assembly wiring, and a pixel electrode disposed on the planarization layer and in contact with the second electrode of the light emitting device through a contact portion, and the plurality of contact units may overlap a portion of at least one side of the area where the light emitting device is disposed.

公开(公告)号：US20240258291A1

公开(公告)日：2024-08-01

申请号：US18421394

申请日：2024-01-24

Applicant: LG DISPLAY CO., LTD.

Inventor： HyeSeon EOM ,  Juhyun NAM

IPC: H01L25/16 ,  H01L25/075 ,  H01L27/12 ,  H01L33/10 ,  H01L33/62

CPC classification number: H01L25/167 ,  H01L25/0753 ,  H01L27/1244 ,  H01L27/1255 ,  H01L33/10 ,  H01L33/62

Abstract: A display device includes a substrate that has a display area in which a plurality of sub-pixels are disposed and a non-display area. The display device further includes a first assembly line and a second assembly line disposed in the plurality of sub-pixels on the substrate and spaced apart from each other. The display device further includes a light emitting element disposed on the first assembly line and the second assembly line. The display device further includes a plurality of transistors disposed in the plurality of sub-pixels. Each of the plurality of sub-pixels includes a first area in which the plurality of transistors are disposed and a second area which is separated from the first area and in which the light emitting element is disposed.

公开(公告)号：US20250006879A1

公开(公告)日：2025-01-02

申请号：US18688172

申请日：2022-09-01

Applicant: LG ELECTRONICS INC. ,  LG DISPLAY CO., LTD.

Inventor： Wonseok CHOI ,  Gisang HONG ,  Eunhye LEE ,  Jungmin KIM ,  Hun JANG ,  Hyeseon EOM ,  Moonsun LEE ,  Juhyun NAM

IPC: H01L33/62 ,  H01L25/16

Abstract: The manufacturing method of the display device according to the embodiment includes a step of self-aligning the light emitting device inside the opening of the planarization layer overlapping the first assembly wiring and the second assembly wiring, a step of sequentially forming a conductive layer and an organic layer on a planarization layer and a light emitting device, a step of ashing the organic layer to remove the second part on the first part of the organic layer, and a step of forming a contact electrode by etching the conductive layer corresponding to the second part, wherein the contact electrode is in contact with the side of the first semiconductor layer below the light emitting device.

公开(公告)号：US20240178200A1

公开(公告)日：2024-05-30

申请号：US18388912

申请日：2023-11-13

Applicant: LG DISPLAY CO., LTD.

Inventor： Juhyun NAM ,  YongMin HA ,  BuYeol LEE ,  Hun JANG

IPC: H01L25/075 ,  G06F1/16

CPC classification number: H01L25/0753 ,  G06F1/1647 ,  G06F1/1652

Abstract: A display device comprises a support substrate, a plurality of link lines disposed on the support substrate, a plurality of first flexible films disposed on one side of the support substrate and electrically connected to the plurality of link lines, a plurality of display modules disposed on or under the support substrate and including a plurality of pixels and a plurality of signal lines and a plurality of connection members disposed between the support substrate and the plurality of display modules and electrically connecting the plurality of link lines and the plurality of signal lines. Therefore, A display device with a large screen may be provided.

公开(公告)号：US20240257716A1

公开(公告)日：2024-08-01

申请号：US18416688

申请日：2024-01-18

Applicant: LG Display Co., Ltd.

Inventor： Daeyoung SEO ,  Juhyun NAM ,  Yongmin HA

IPC: G09G3/32 ,  H01L25/16 ,  H01L27/12

CPC classification number: G09G3/32 ,  H01L25/167 ,  H01L27/124 ,  G09G2320/0223 ,  G09G2320/0233 ,  G09G2360/14

Abstract: Discussed is a display device in which a photo transistor that senses light from a light-emitting element is disposed in a separate wiring substrate from a panel unit in which the light-emitting element is disposed. Thus, the photo transistor is used as a component of a compensation unit that compensates for a difference between luminance of pixels based on a sensing result of the light from the light-emitting element.

公开(公告)号：US20240222385A1

公开(公告)日：2024-07-04

申请号：US18396563

申请日：2023-12-26

Applicant: LG Display Co., Ltd.

Inventor： HyeSeon EOM ,  Juhyun NAM ,  Hun JANG

IPC: H01L27/12 ,  H01L25/16

CPC classification number: H01L27/124 ,  H01L25/167

Abstract: A display device includes: a substrate including a display area having a plurality of subpixels, and a non-display area surrounding the display area and including a plurality of pad areas; a plurality of pads in the pad areas; a plurality of low-potential power link lines electrically connected to the pads in leftmost and rightmost areas among the pad areas; a plurality of first assembling lines and a plurality of second assembling lines respectively on the plurality of subpixels and electrically connected to the plurality of low-potential power link lines; and a plurality of light-emitting elements on the first assembling lines and the second assembling lines. Each of the plurality of low-potential power link lines includes: a first part connected to the plurality of first assembling lines or the plurality of second assembling lines; and a second part to transmit a low-potential power voltage to the first part.

公开(公告)号：US20250048816A1

公开(公告)日：2025-02-06

申请号：US18717888

申请日：2022-11-28

Applicant: LG ELECTRONICS INC. ,  LG DISPLAY CO., LTD.

Inventor： Youngdo KIM ,  Hun JANG ,  Juhyun NAM ,  Hyeseon EOM ,  Minseok KIM

IPC: H01L33/62 ,  H01L25/075 ,  H01L25/16

Abstract: A display device according to an embodiment includes a substrate, first assembly wiring and second assembly wiring spaced apart from each other on the substrate, a first insulating layer disposed between the first assembly wiring and the second assembly wiring, a first planarization layer disposed on the second assembly wiring and having an opening overlapping the second assembly wiring, a light emitting device disposed inside the opening and including a first semiconductor layer and a second semiconductor layer on the first semiconductor layer, and contact electrode electrically connecting the second assembly wiring and the first semiconductor layer, and the contact electrode is in contact with the second assembly wiring that overlaps the side surface of the first semiconductor layer and the first planarization layer.

公开(公告)号：US20250023002A1

公开(公告)日：2025-01-16

申请号：US18713565

申请日：2022-10-11

Applicant: LG ELECTRONICS INC. ,  LG DISPLAY CO., LTD.

Inventor： Youngdo KIM ,  Juhyun NAM ,  Hun JANG ,  Sul LEE ,  Minseok KIM ,  Hyeseon EOM ,  Moonsun LEE

IPC: H01L33/62 ,  H01L33/38

Abstract: A display device including a semiconductor light emitting device according to an embodiment may include a substrate, a first assembly wiring and a second assembly wiring arranged to be spaced apart from each other on the substrate, a planarization layer disposed on the first assembly wiring and the second assembly wiring and having an opening overlapping the first assembly wiring and the second assembly wiring, a light emitting device including a first electrode placed inside the opening and electrically connected to the first assembly wiring, and wherein the opening includes a main opening and one or more auxiliary openings that are connected to the main opening and are smaller than the main opening.