公开(公告)号：US20240237412A9

公开(公告)日：2024-07-11

申请号：US18224610

申请日：2023-07-21

Applicant: Samsung Display Co., LTD.

Inventor： Joon Yong PARK ,  Hyun Eok SHIN ,  Dong Min LEE

IPC: H10K59/122 ,  H10K59/12 ,  H10K59/80

CPC classification number: H10K59/122 ,  H10K59/1201 ,  H10K59/873

Abstract: A display device includes first and second pixel electrodes on a substrate to be spaced apart from each other, an inorganic insulating layer on the substrate to partially cover the first pixel electrode and the second pixel electrode, a bank structure on the inorganic insulating layer, where first and second openings overlapping the first and second pixel electrodes are defined through the bank structure, first and second light emitting layers on the first and second pixel electrodes, and first and second common electrodes on the first and second light emitting layers. The bank structure includes first and second bank layers and including different organic insulating materials from each other, the second bank layer has different thicknesses depending on positions thereof, the second bank layer includes tips protruding more than side surfaces of the first bank layer defining the first and second openings, and the first bank layer includes AlNiLaCu.

公开(公告)号：US20240234636A1

公开(公告)日：2024-07-11

申请号：US18502119

申请日：2023-11-06

Applicant: Samsung Display Co., LTD.

Inventor： Hyun Eok SHIN ,  Joon Yong PARK ,  Ju Hyun LEE

IPC: H01L33/40 ,  H01L25/07 ,  H01L25/16 ,  H01L33/62

CPC classification number: H01L33/40 ,  H01L25/073 ,  H01L25/167 ,  H01L33/62 ,  H01L2933/0066

Abstract: A display device including a substrate, and a first light emitting element, a second light emitting element, and a third light emitting element that are disposed on the substrate, each of the light emitting elements includes a first electrode, a light emitting layer, and a second electrode, the first electrode has a first metal layer, at least one inorganic layer, at least one etch stop layer, and a second metal layer stacked on each other, and a thickness of the first electrode of the first light emitting element is different from a thickness of the first electrode of the second light emitting element.

公开(公告)号：US20240224761A1

公开(公告)日：2024-07-04

申请号：US18376088

申请日：2023-10-03

Applicant: Samsung Display Co., LTD.

Inventor： Joon Yong PARK ,  Hyun Eok SHIN ,  Ju Hyun LEE ,  Yung Bin CHUNG

IPC: H10K59/80 ,  H10K59/12 ,  H10K59/122

CPC classification number: H10K59/8791 ,  H10K59/1201 ,  H10K59/122

Abstract: A display device includes a first pixel electrode disposed in a first emission area on a substrate, an insulating layer covering an edge of the first pixel electrode, a first emissive layer disposed on the first pixel electrode and the insulating layer, a first common electrode disposed on the first emissive layer, a bank disposed on the insulating layer to surround the first emission area, a low-reflection insulating layer disposed on the bank, a first organic pattern surrounding the first emission area on the low-reflection insulating layer and including a same material as a material of the first emissive layer. The bank includes a first bank disposed on the insulating layer and contacts the first common electrode, a second bank disposed on the first bank, a third bank disposed on the second bank, and a fourth bank disposed on the third bank. The first to fourth banks include metal materials.

公开(公告)号：US20240114726A1

公开(公告)日：2024-04-04

申请号：US18218315

申请日：2023-07-05

Applicant: Samsung Display Co., LTD.

Inventor： Joon Yong PARK ,  Hyun Eok SHIN ,  Dong Min LEE

IPC: H10K59/122 ,  H10K59/12 ,  H10K59/38 ,  H10K59/80 ,  H10K71/20

CPC classification number: H10K59/122 ,  H10K59/1201 ,  H10K59/38 ,  H10K59/873 ,  H10K59/8792 ,  H10K71/233

Abstract: A display device includes first and second pixel electrodes on a substrate and spaced apart from each other, an inorganic insulating layer on the substrate and including portions on the first and second pixel electrodes, a bank structure on the inorganic insulating layer with first and second openings overlapping the first and second pixel electrodes, first and second light emitting layers on the first and second pixel electrodes, and first and second common electrodes on the first and second light emitting layers. The bank structure includes a first bank layer, a second bank layer on the first bank layer and including a different metal material from the first bank layer, and a third bank layer on the second bank layer and including an oxide semiconductor layer, and each of the second bank layer and the third bank layer includes a tip on sidewalls defining the first and second openings.

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：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.

公开(公告)号：US20230048617A1

公开(公告)日：2023-02-16

申请号：US17715377

申请日：2022-04-07

Applicant: Samsung Display Co., Ltd.

Inventor： Jun Gi KIM ,  Jeong Won KIM ,  Tae Wook KANG ,  Jong Hee PARK ,  Hyun Eok SHIN

IPC: H01L27/32

Abstract: A display device is provided. The display device comprises a substrate, at least one thin-film transistor disposed on the substrate, a planarization layer disposed on the thin-film transistor, a first metal layer disposed on the planarization layer and connected to the thin-film transistor, a first electrode disposed on the first metal layer, partitioning walls disposed on the planarization layer and spaced apart from the first electrode, wherein each of the partitioning walls includes a second metal layer and a first conductive layer, a pixel defining layer disposed on the first electrode and the partitioning walls, an organic layer disposed on the first electrode and the pixel defining layer, and a second electrode disposed on the organic layer, wherein the second metal layer is disposed under the first conductive layer and has an undercut beneath the first conductive layer, wherein at least portion of the organic layer is discontinuous between the partitioning walls.

公开(公告)号：US20220371138A1

公开(公告)日：2022-11-24

申请号：US17680633

申请日：2022-02-25

Applicant: Samsung Display Co., LTD.

Inventor： Doo Seon YU ,  Gyung Min BAEK ,  Hyun Eok SHIN ,  You Jong LEE ,  Myung Soo HUH

IPC: B23Q7/14 ,  B23Q11/10

Abstract: An in-line manufacturing apparatus includes a carrier that transports a substrate, a plurality of process chambers subjected to a manufacturing process on the substrate transported through the carrier, and a cooling part disposed adjacent to the carrier and movable with the carrier.

公开(公告)号：US20220037620A1

公开(公告)日：2022-02-03

申请号：US17172742

申请日：2021-02-10

Applicant: Samsung Display Co., Ltd.

Inventor： Gyung Min BAEK ,  Hyun Ah SUNG ,  Hyun Eok SHIN

IPC: H01L51/52 ,  H01L27/32 ,  H01L51/56

Abstract: A display device according to an embodiment may include a base layer including a first surface and a second surface, a pixel circuit layer including a first line on the first surface, a display element layer on the pixel circuit layer and including a display element, a thin film encapsulation layer on the display element layer, a first protective layer on the thin film encapsulation layer, and a second line on the second surface to correspond to the first line. The first protective layer may include a transparent insulating material.

公开(公告)号：US20190115369A1

公开(公告)日：2019-04-18

申请号：US16013410

申请日：2018-06-20

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Dong Min LEE ,  Sang Won SHIN ,  Hyun Eok SHIN

IPC: H01L27/12 ,  H01L23/528 ,  H01L23/532 ,  H01L29/49 ,  H01L21/768 ,  H01L21/285

CPC classification number: H01L27/124 ,  H01L21/2855 ,  H01L21/7685 ,  H01L23/528 ,  H01L23/53219 ,  H01L23/53223 ,  H01L23/53257 ,  H01L27/1222 ,  H01L27/1262 ,  H01L29/458 ,  H01L29/4908 ,  H01L29/78675

Abstract: A metal line includes a conductive layer containing aluminum (Al) or an aluminum alloy, a first capping layer on the conductive layer, the first capping layer containing titanium nitride (TiNx), and a second capping layer on the first capping layer, the second capping layer containing titanium (Ti).