公开(公告)号：US20230155059A1

公开(公告)日：2023-05-18

申请号：US17996780

申请日：2020-07-08

Applicant: Samsung Display Co., LTD.

Inventor： Hyun Wook LEE ,  Myeong Hun SONG ,  Jeong Hyun LEE ,  Tae Hee LEE

IPC: H01L33/10 ,  H01L33/38 ,  H01L25/075 ,  H01L33/00

CPC classification number: H01L33/10 ,  H01L33/382 ,  H01L25/0753 ,  H01L33/005 ,  H01L2933/0066

Abstract: A display device including: a first substrate; a semiconductor layer on the first substrate; a first gate conductive layer on the semiconductor layer and including a scan line, a sensing line, and gate electrodes; a first data conductive layer on the first gate conductive layer and including a first data line, a second data line, and one electrode and the other electrodes of transistors; a second data conductive layer on the first data conductive layer and including a first voltage wiring and a second voltage wiring; first and second electrodes arranged on the second data conductive layer; light-emitting elements, each of the light-emitting elements having end portions on the first electrode and the second electrode, respectively; and a first transistor electrically connected to the first electrode and the first voltage wiring, and a second transistor electrically connected to the second electrode and the first data line.

公开(公告)号：US20230128161A1

公开(公告)日：2023-04-27

申请号：US17915276

申请日：2020-06-10

Applicant: Samsung Display Co., LTD.

Inventor： Myeong Hun SONG ,  Sung Jin LEE ,  Jong Chan LEE ,  Tae Hee LEE ,  Hyun Wook LEE ,  Seung Jin CHU

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

Abstract: A display device includes a first electrode and a second electrode spaced apart from each other on a substrate; a first insulating layer disposed between the first electrode and the second electrode, and not overlapping the first electrode and the second electrode in a thickness direction of the first insulating layer; and a light emitting element disposed on the first insulating layer, wherein side surfaces of the first insulating layer contact the first electrode and the second electrode.

公开(公告)号：US20230032275A1

公开(公告)日：2023-02-02

申请号：US17749964

申请日：2022-05-20

Applicant: Samsung Display Co., LTD.

Inventor： Myeong Hun SONG ,  Jong Chan LEE ,  Hyun KIM ,  Jeong Kook WANG ,  In Woo KIM ,  Seung Jin CHU ,  Jeong Su PARK ,  Yong Tae CHO

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

Abstract: A display device includes a substrate, first and second bridge electrodes on the substrate and spaced apart from each other, a first electrode on the first bridge electrode, a second electrode on the second bridge electrode and spaced apart from the first electrode, a first insulating layer on the first electrode and the second electrode, a light emitting element on the first insulating layer, and on the first electrode and the second electrode, a first connection electrode on the first electrode, and contacting the light emitting element and the first bridge electrode, and a second connection electrode on the second electrode, and contacting the light emitting element and the second bridge electrode, wherein the first electrode directly contacts the first bridge electrode, and is separated from the first connection electrode, and wherein the second electrode directly contacts the second bridge electrode, and is separated from the second connection electrode.

公开(公告)号：US20220328726A1

公开(公告)日：2022-10-13

申请号：US17699426

申请日：2022-03-21

Applicant: Samsung Display Co., LTD.

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

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

Abstract: A manufacturing method of a display device and a display device are provided. A manufacturing method of a display device includes: preparing a substrate including a light emitting area and a non-light emitting area; arranging a first electrode, a second electrode, a first uncut electrode, and a second uncut electrode on the substrate; forming a bank in the non-light emitting area of the substrate; arranging a light emitting element in the light emitting area of the substrate; removing at least a portion of each of the first uncut electrode and the second uncut electrode; arranging a first contact electrode electrically connecting the light emitting element and the first electrode; and arranging a second contact electrode electrically connecting the light emitting element and the second electrode, and the at least the portion of each of the first uncut electrode and the second uncut electrode is removed within an open area.

公开(公告)号：US20220254970A1

公开(公告)日：2022-08-11

申请号：US17528529

申请日：2021-11-17

Applicant: Samsung Display Co., LTD.

Inventor： Hyun Wook LEE ,  Myeong Hun SONG ,  Jong Chan LEE ,  Sung Won JO

IPC: H01L33/62 ,  H01L25/075 ,  H01L33/38 ,  H01L23/00 ,  H01L33/40

Abstract: A display device includes a first electrode and a second electrode disposed on a substrate, the first and second electrodes extending in a first direction in parallel to each other, a first insulating layer disposed on the first and second electrodes, light-emitting elements disposed on the first insulating layer, the light-emitting elements including first end portions disposed on the first electrode and second end portions disposed on the second electrode, an oxide semiconductor layer disposed on the first insulating layer and the light-emitting elements, the oxide semiconductor layer including a first conductive portion electrically contacting the first end portions of the light-emitting elements, a second conductive portion electrically contacting the second end portions of the light-emitting elements, and a semiconductive portions disposed between the first and second conductive portions, and a second insulating layer disposed on the oxide semiconductor layer.

公开(公告)号：US20220199870A1

公开(公告)日：2022-06-23

申请号：US17475996

申请日：2021-09-15

Applicant: Samsung Display Co., LTD.

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

IPC: H01L33/54 ,  H01L25/16 ,  H01L33/38 ,  H01L33/62

Abstract: A display device includes a substrate; a first electrode and a second electrode disposed in an emission area and a sub-region and spaced apart from each other in a first direction; a first insulating layer disposed on the first electrode and the second electrode; light emitting elements disposed on the first insulating layer in the emission area, and including ends disposed on the first and second electrodes, respectively; and a second insulating layer disposed on the first insulating layer. The second insulating layer includes a fixing pattern; a support pattern portion; and a connection portion electrically connecting the fixing pattern and the support pattern portion, and the fixing pattern includes a first region that contacts an outer surface of the light emitting elements and a second region that does not contact the outer surface of the light emitting elements.

公开(公告)号：US20220199713A1

公开(公告)日：2022-06-23

申请号：US17446919

申请日：2021-09-03

Applicant: Samsung Display Co., Ltd.

Inventor： In Woo KIM ,  Jae Hee KIM ,  Myeong Hun SONG ,  Ho Kyun AHN ,  Jeong Kook WANG ,  Seung Jin CHU

IPC: H01L27/32

Abstract: A display device includes: a substrate; a first bank including a first sub-bank and a second sub-bank spaced apart from each other on the substrate; a first electrode on the first sub-bank; a second electrode on the second sub-bank and spaced apart from the first electrode; and a light-emitting element between the first sub-bank and the second sub-bank. Each of the first and second sub-banks has a first area having a concave curved shape in a cross section and being adjacent to the light-emitting element. The first electrode has a first section extending beyond the first sub-bank toward the light-emitting element, the second electrode has a first section extending beyond the second sub-bank toward the light-emitting element, and a width of the first section of the first electrode is different from a width of the first section of the second electrode.