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：US20220262877A1

公开(公告)日：2022-08-18

申请号：US17500462

申请日：2021-10-13

Applicant: Samsung Display Co., LTD.

Inventor： No Kyung PARK ,  Hyun KIM ,  Do Yeong PARK ,  Jeong Su PARK ,  Myeong Hun SONG ,  Jeong Kook WANG ,  Jong Chan LEE

IPC: H01L27/32

Abstract: A display device includes a first electrode and a second electrode extending in a first direction and spaced apart from each other in a second direction, a first insulating layer disposed on the first electrode and the second electrode, a bank layer disposed on the first insulating layer and comprising an outer bank part extending in the first direction and the second direction and inner bank parts extending in the first direction in an area surrounded by the outer bank part, a second insulating layer disposed on the inner bank parts and the first insulating layer, and light emitting elements disposed on the second insulating layer between the inner bank parts, wherein each of the inner bank parts is connected to a part of the outer bank part extending in the second direction.

公开(公告)号：US20220238758A1

公开(公告)日：2022-07-28

申请号：US17533835

申请日：2021-11-23

Applicant: Samsung Display Co., LTD.

Inventor： Myeong Hun SONG ,  Hyun KIM ,  Jeong Su PARK ,  Jong Chan LEE ,  Hyun Wook LEE

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

Abstract: A display device includes an electrode layer including a first electrode; and a second electrode; light emitting elements on the electrode layer; an insulating layer on the light emitting elements and including openings exposing at least one of ends of a part of the light emitting elements; and a contact electrode corresponding to each of the openings, the insulating layer includes a fixing pattern between the first electrode and the second electrode; a division pattern intersecting the fixing pattern; a connection pattern connecting a first end of the fixing pattern to a first end of the division pattern; and a base portion surrounding the fixing pattern, the division pattern, and the connection pattern, the base portion is connected to a second end of the fixing pattern and a second end of the division pattern and spaced apart from the connection pattern.

公开(公告)号：US20220059609A1

公开(公告)日：2022-02-24

申请号：US17347222

申请日：2021-06-14

Applicant: Samsung Display Co., Ltd.

Inventor： Myeong Hun SONG ,  Sung Geun BAE ,  Sung Jin LEE ,  Jong Chan LEE ,  Tae Hee LEE ,  Kyung Ah CHOI

IPC: H01L27/15 ,  H01L33/38

Abstract: A pixel may include a substrate, a dummy insulating pattern on the substrate, a first electrode on the substrate and including a (1-1)th electrode and a (1-2)th electrode that are spaced from each other and aligned with each other along a first direction, a second electrode spaced from the first electrode in a second direction different from the first direction, and including a (2-1)th electrode and a (2-2)th electrode that are spaced from each other and aligned with each other along the first direction, a plurality of light emitting elements electrically connected to the first electrode and the second electrode and emitting light, and a first insulating layer on each of the light emitting elements. Here, the dummy insulating pattern may be connected to one end of at least one of the (1-1)th electrode and the (1-2)th electrode that are aligned with each other along the first direction.

公开(公告)号：US20210335765A1

公开(公告)日：2021-10-28

申请号：US17162315

申请日：2021-01-29

Applicant: Samsung Display Co., LTD.

Inventor： Jong Chan LEE ,  Hyun Wook LEE ,  Sang Jun PARK ,  Myeong Hun SONG ,  Kwang Taek HONG

IPC: H01L25/16 ,  H01L23/00 ,  H01L33/62 ,  H01L27/12

Abstract: A display device comprises a plurality of first banks disposed on a substrate to extend in a first direction and spaced apart from one another, a plurality of first patterns disposed between the plurality of first banks and spaced apart from one another in the first direction, a first electrode and a second electrode extending in the first direction and disposed on different first banks of the plurality of first banks and spaced apart from each other, a first insulating layer overlapping the plurality of first patterns, disposed on the first substrate, and to partially overlapping the first and second electrodes, and a plurality of light-emitting elements disposed on the first insulating layer so that first and second ends of each of the plurality of light-emitting elements are disposed on the first and second electrodes, respectively.

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：US20240097074A1

公开(公告)日：2024-03-21

申请号：US18468468

申请日：2023-09-15

Applicant: Samsung Display Co., LTD.

Inventor： Myeong Hun SONG ,  Jang Soon PARK ,  Sung Geun BAE ,  Tae Hee LEE ,  Hyun Wook LEE ,  Kwang Taek HONG

IPC: H01L33/38 ,  H01L25/16

CPC classification number: H01L33/38 ,  H01L25/167

Abstract: A display device includes a substrate including an emission area and a non-emission area, alignment electrodes arranged to be spaced from each other in a first direction on the substrate and extending in a second direction crossing the first direction, and pixels arranged along the second direction. Pixels adjacent to each other in the second direction from among the pixels may be configured to emit light of different colors. Each of the pixels may include first light emitting elements on the alignment electrodes and arranged along the second direction, second light emitting elements on the alignment electrodes, spaced from the first light emitting elements in the first direction, and arranged along the second direction, a first pixel electrode electrically connected to a first driving power and first ends of the first light emitting elements, a second pixel electrode spaced from the first pixel electrode in the first direction.

公开(公告)号：US20240072229A1

公开(公告)日：2024-02-29

申请号：US18453181

申请日：2023-08-21

Applicant: Samsung Display Co., LTD.

Inventor： Myeong Hun SONG ,  Jang Soon PARK ,  Sung Geun BAE ,  Tae Hee LEE ,  Hyun Wook LEE

IPC: H01L33/62 ,  H01L25/075 ,  H01L33/38

CPC classification number: H01L33/62 ,  H01L25/0753 ,  H01L33/38

Abstract: A display device includes: light emitting elements, each of the light emitting elements including a first end having a first polarity and a second end having a second polarity different from the first polarity; and a first type connection electrode contacting the first ends and/or the second ends of the light emitting elements, wherein a first type connection electrode includes: a middle portion extending in a first direction; a first electrode portion extending from the middle portion toward a first side in a second direction intersecting the first direction; a second electrode portion extending from the middle portion toward the first side in the second direction and spaced from the first electrode portion by a first width in the first direction; a third electrode portion extending from the middle portion toward a second side in the second direction; and a fourth electrode portion.

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.