公开(公告)号：US20250081729A1

公开(公告)日：2025-03-06

申请号：US18626440

申请日：2024-04-04

Applicant: Samsung Display Co., LTD.

Inventor： Soo Jung CHAE ,  Sung Joon KWAK ,  Jae Hong KIM ,  Tae Sun PARK ,  Jae Hyoung YOUN ,  Je Min LEE

IPC: H10K59/121 ,  H10K59/12 ,  H10K59/131

Abstract: A display device includes a substrate including a display area and a driving circuit area, a first insulating layer, a second insulating layer on the first insulating layer, a first transistor in the display area, and including a first semiconductor pattern layer formed as a semiconductor layer on the second insulating layer, a first gate electrode on the first semiconductor pattern layer, and a first lower electrode overlapping the first semiconductor pattern layer, and a second transistor in the driving circuit area, and including a second semiconductor pattern layer formed as the semiconductor layer, a second gate electrode on the second semiconductor pattern layer, and a second lower electrode overlapping the second semiconductor pattern layer, wherein the first lower electrode is between the substrate and the first insulating layer, and the second lower electrode is between the first insulating layer and the second insulating layer.

公开(公告)号：US20230317886A1

公开(公告)日：2023-10-05

申请号：US17994637

申请日：2022-11-28

Applicant: Samsung Display Co., LTD.

Inventor： Myeong Hun SONG ,  Je Min LEE ,  Eun Je JANG

IPC: H01L33/38 ,  H01L33/62 ,  H01L27/15 ,  H01L33/00

CPC classification number: H01L33/387 ,  H01L33/62 ,  H01L27/156 ,  H01L33/005 ,  H01L2933/0016 ,  H01L2933/0066

Abstract: A display device comprises at least one first electrode, at least one second electrode, a first insulating layer, a light emitting element disposed between the at least one first electrode and the at least one second electrode on the first insulating layer, the light emitting element including an end and another end opposite to the end, and a second insulating layer disposed on the light emitting element and exposing the end and the another end of the light emitting element. The second insulating layer includes a first main open portion exposing the end of the light emitting element and extended in a first direction, a second main open portion exposing the another end of the light emitting element and extended in the first direction, and a sub-open portion connecting the first main open portion with the second main open portion in a plan view and extended in a second direction.

公开(公告)号：US20230261143A1

公开(公告)日：2023-08-17

申请号：US18026448

申请日：2021-09-07

Applicant: Samsung Display Co., LTD.

Inventor： Jong Hwan CHA ,  Seung Jin CHU ,  Je Min LEE

IPC: H01L33/38 ,  H01L25/16 ,  H01L27/12

CPC classification number: H01L33/38 ,  H01L25/167 ,  H01L27/124

Abstract: A display device includes: a first substrate; a first conductive layer including a first voltage line and a second voltage line on the first substrate; a first transistor on the first conductive layer and electrically connected to the first voltage line; a plurality of first banks on the first transistor and spaced apart from each other; a first electrode on the plurality of first banks and electrically connected to the first transistor, and a second electrode on the plurality of first banks and electrically connected to the second voltage line; a plurality of light-emitting diodes on the first electrode and the second electrode; and a first contact electrode coming into contact with an end portion of each of the light-emitting diodes and on the first electrode, and a second contact electrode coming into contact with another end portion of each of the light-emitting diodes and on the second electrode.

公开(公告)号：US20240194831A1

公开(公告)日：2024-06-13

申请号：US18443613

申请日：2024-02-16

Applicant: Samsung Display Co., LTD.

Inventor： Seung Jin CHU ,  Je Min LEE ,  Hyun KIM ,  Myeong Hun SONG ,  Jong Chan LEE ,  Woong Hee JEONG

IPC: H01L33/38 ,  H01L33/00 ,  H01L33/10

CPC classification number: H01L33/387 ,  H01L33/005 ,  H01L33/10

Abstract: A display device includes a first electrode disposed on a substrate, a first insulating film disposed on the first electrode and having a first opening formed, a second insulating film disposed on the first insulating film and having a second opening, and a contact electrode electrically contacting at least a portion of the first electrode through the first opening and the second opening, wherein a side surface of the first insulating film defines the first opening, and the second insulating film overlaps the side surface of the first insulating film such that the contact electrode and the first insulating film are not in contact with each other.

公开(公告)号：US20230290807A1

公开(公告)日：2023-09-14

申请号：US18147519

申请日：2022-12-28

Applicant: Samsung Display Co., LTD.

Inventor： Myeong Hun SONG ,  Je Min LEE ,  Eun Je JANG

IPC: H01L27/15 ,  H01L33/24 ,  H01L33/44 ,  H01L33/00

CPC classification number: H01L27/156 ,  H01L33/24 ,  H01L33/44 ,  H01L33/005

Abstract: A display device includes a substrate including an emission area and a non-emission area, a first connection electrode provided on the substrate and electrically connected to a first driving power, a second connection electrode provided to be spaced apart from the first connection electrode in a first direction and electrically connected to a second driving power, a dummy electrode provided to be spaced apart from the first connection electrode in a second direction intersecting the first direction, light emitting elements provided between the second connection electrode and the dummy electrode in a plan view and forming the emission area, a first pixel electrode provided on the first and second connection electrodes and electrically connected to the first connection electrode, and a second pixel electrode provided on the first and second connection electrodes and electrically connected to the second connection electrode.

公开(公告)号：US20220406978A1

公开(公告)日：2022-12-22

申请号：US17590975

申请日：2022-02-02

Applicant: Samsung Display Co., LTD.

Inventor： Myeong Hun SONG ,  Ki Nyeng KANG ,  Je Min LEE ,  Seung Jin CHU

IPC: H01L33/62 ,  H01L27/15 ,  H01L33/40

Abstract: A display device includes a display area, and a pad area, a first electrode and a second electrode extending in a first direction in the display area and spaced apart from each other in a second direction, light emitting elements disposed on the first electrode and the second electrode in the display area, pad lines extending in the first direction in the pad area and spaced apart from each other in the second direction, dummy lines extending in the first direction in the pad area and spaced apart from the pad lines in the second direction, and dummy patterns electrically connected to at least part of the dummy lines. The dummy lines include first dummy lines and second dummy lines spaced apart from the first dummy lines in the first direction.

公开(公告)号：US20220181521A1

公开(公告)日：2022-06-09

申请号：US17462633

申请日：2021-08-31

Applicant: Samsung Display Co., LTD.

Inventor： Seung Jin CHU ,  Je Min LEE ,  Hyun KIM ,  Myeong Hun SONG ,  Jong Chan LEE ,  Woong Hee JEONG

IPC: H01L33/38 ,  H01L33/00 ,  H01L33/10

Abstract: A display device includes a first electrode disposed on a substrate, a first insulating film disposed on the first electrode and having a first opening formed, a second insulating film disposed on the first insulating film and having a second opening, and a contact electrode electrically contacting at least a portion of the first electrode through the first opening and the second opening, wherein a side surface of the first insulating film defines the first opening, and the second insulating film overlaps the side surface of the first insulating film such that the contact electrode and the first insulating film are not in contact with each other.