公开(公告)号：US20240224605A1

公开(公告)日：2024-07-04

申请号：US18469176

申请日：2023-09-18

Applicant: Samsung Display Co., LTD.

Inventor： Young Rok KIM ,  Kyu Soon PARK ,  Jong Hyun CHOUNG

IPC: H10K59/122 ,  H10K59/12 ,  H10K59/131 ,  H10K71/16 ,  H10K71/20

CPC classification number: H10K59/122 ,  H10K59/1201 ,  H10K59/131 ,  H10K71/166 ,  H10K71/231

Abstract: A display device includes first and second emitting layers of first and second organic layers, on first and second pixel electrodes, in first and second emission areas, respectively, a first bank layer defining the first and second emission areas, a second bank layer on the first bank layer and defining protruding tips, a first pattern of the first organic layer which is on the second bank layer, an inorganic layer on the first emitting layer and the first pattern, a metal pattern on the inorganic layer to surround the second emission area, and a second pattern of the second organic layer which is on the metal pattern to surround the second emission area. The second pattern and the metal pattern form an undercut structure.

公开(公告)号：US20230307487A1

公开(公告)日：2023-09-28

申请号：US18085686

申请日：2022-12-21

Applicant: Samsung Display Co., LTD.

Inventor： Dong Min LEE ,  Hyun Ah SUNG ,  Tae Wook KANG ,  Young Rok KIM ,  Kyu Soon PARK ,  Joon Yong PARK ,  Hyun Eok SHIN ,  Jong Hyun CHOUNG

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

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

Abstract: A display device includes a display area and a pad area on a side of the display area, a plurality of conductive layers on a first substrate in the display area and the pad area and comprising a wiring and a conductive pattern, a via layer on the plurality of conductive layers, a plurality of electrodes on the via layer in the display area and spaced apart from each other, and a light emitting element on at least one of the plurality of electrodes. At least one of the conductive layers includes a first metal layer, a second metal layer on the first metal layer, and a third metal layer on the second metal layer. The second metal layer includes copper (Cu), the third metal layer includes a copper alloy, and a grain size of the third metal layer is smaller than a grain size of the second metal layer.

公开(公告)号：US20230197901A1

公开(公告)日：2023-06-22

申请号：US17881978

申请日：2022-08-05

Applicant: Samsung Display Co., LTD.

Inventor： Young Rok KIM ,  Kyu Soon PARK ,  Jong Hyun CHOUNG ,  Woo Jin CHO

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

CPC classification number: H01L33/382 ,  H01L27/156 ,  H01L33/005 ,  H01L33/62 ,  H01L2933/0016 ,  H01L2933/0066

Abstract: A display device comprises a via layer disposed on a substrate, a first electrode and a second electrode disposed on the via layer and spaced apart from each other, a first insulating layer disposed on the first electrode and the second electrode, light emitting elements disposed on the first insulating layer and disposed on the first electrode and the second electrode, a bank layer disposed on the first insulating layer and comprising a first opening in which the light emitting elements are disposed and a second opening spaced apart from the first opening, a second insulating layer disposed on the light emitting elements, and a first contact electrode and a second contact electrode disposed on the bank layer, the light emitting elements, and the second insulating layer while being spaced apart from each other.

公开(公告)号：US20230163158A1

公开(公告)日：2023-05-25

申请号：US17963659

申请日：2022-10-11

Applicant: Samsung Display Co., LTD.

Inventor： Hyun Ah SUNG ,  Dong Min LEE ,  Young Rok KIM ,  Kyu Soon PARK ,  Joon Yong PARK ,  Hyun Eok SHIN ,  Jong Hyun CHOUNG

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

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

Abstract: A display device includes a first substrate including a display area and a pad area, which is on one side of the display area, a plurality of conductive layers each including a plurality of wires and conductive patterns, which are in the display area and the pad area, on the first substrate, a via layer on the plurality of conductive layers, a first electrode and a second electrode on the via layer, in the display area, to be spaced apart from each other, a first insulating layer on the first electrode and the second electrode, a plurality of light-emitting elements on the first electrode, the second electrode, and on the first insulating layer, and a first connecting electrode on the first electrode and in contact with the plurality of light-emitting elements, and a second connecting electrode on the second electrode and in contact with the plurality of light-emitting elements, wherein at least one of the plurality of conductive layers includes a metal layer, which includes a copper-silver (CuAg) alloy and has a crystal grain size of 140 nm or less.