公开(公告)号：US20230352639A1

公开(公告)日：2023-11-02

申请号：US18018934

申请日：2021-07-08

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Jung Hwan YI ,  Jin Taek KIM ,  Yong Sub SHIM ,  Seung Min LEE ,  Hee Keun LEE ,  Baek Hyeon LIM ,  Kyung Tae CHAE ,  Hae Ju YUN ,  Seung Jin CHU

IPC: H01L33/24 ,  H01L25/075 ,  H01L33/60 ,  H01L33/38 ,  H01L33/62

CPC classification number: H01L33/60 ,  H01L25/0753 ,  H01L33/24 ,  H01L33/38 ,  H01L33/62

Abstract: A display device includes a substrate including a plurality of pixels, a first electrode and a second electrode disposed on the substrate and spaced apart from each other, an insulating reflective layer disposed on the first electrode and the second electrode, and a plurality of light emitting elements disposed between the first electrode and the second electrode and electrically connected to the first electrode and the second electrode, wherein the insulating reflective layer includes a plurality of first layers and the plurality of second layers having different refractive indexes, and the the plurality of first layers and the the plurality of second layers are alternately stacked with each other.

公开(公告)号：US20230317766A1

公开(公告)日：2023-10-05

申请号：US18155592

申请日：2023-01-17

Applicant: Samsung Display Co., Ltd.

Inventor： Seung Jin CHU ,  Dong Woo KIM

IPC: H01L27/15 ,  H01L33/24 ,  H01L33/38 ,  H01L33/44

CPC classification number: H01L27/156 ,  H01L33/24 ,  H01L33/38 ,  H01L33/44

Abstract: A display device includes a lower electrode, middle electrodes above the lower electrode, and spaced apart from each other, upper electrodes above the middle electrodes, and spaced apart from each other, light emitting elements between the upper electrodes, and connection electrodes above the light emitting elements, and electrically connected to the light emitting elements.

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.

公开(公告)号：US20220140194A1

公开(公告)日：2022-05-05

申请号：US17397448

申请日：2021-08-09

Applicant: Samsung Display Co., LTD.

Inventor： Myeong Hun SONG ,  Jong Hwan CHA ,  Ki Nyeng KANG ,  Hee Jung YOON ,  Sung Jin LEE ,  Jong Chan LEE ,  Tae Hee LEE ,  Kyung Ah CHOI ,  Seung Jin CHU

IPC: H01L33/38 ,  H01L27/15 ,  H01L25/075 ,  H01L33/62

Abstract: A display device includes a first electrode group including a plurality of electrodes, a second electrode group spaced apart from the first electrode group in the first direction and including a plurality of electrodes, light-emitting elements disposed on the electrodes spaced apart from one another in the second direction and having a shape extended in the second direction, and connection electrodes. The connection electrodes includes a first connection electrode, a second connection electrode, a third connection electrode, a fourth connection electrode, and the fifth connection electrode, the first connection electrode is spaced apart from a part of the fourth connection electrode disposed on the second electrode group in the first direction, and the second connection electrode is spaced apart from another part of the fourth connection electrode disposed on the first electrode group in the first direction.