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公开(公告)号：US20250060844A1
公开(公告)日：2025-02-20
申请号：US18600844
申请日：2024-03-11
Applicant: Samsung Display Co., Ltd.
Inventor： Sam Tae JEONG , Joon Yong PARK , Joon Woo BAE , Hyun Eok SHIN
Abstract: A display device includes a substrate including an emission area and a non-emission area; a thin film transistor layer positioned on the substrate; a touch buffer layer positioned on the thin film transistor layer; a connection electrode positioned on the touch buffer layer; a touch insulating layer positioned on the connection electrode; a first electrode positioned on the touch insulating layer, and overlapping the non-emission area; and a first touch sacrificial layer positioned between the touch insulating layer and the first electrode, wherein the first touch sacrificial layer does not overlap the emission area, and is positioned in an island shape while overlapping the non-emission area, and an inclination angle formed between the touch insulating layer and a side surface of the first touch sacrificial layer has an acute angle.
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公开(公告)号：US20250031550A1
公开(公告)日：2025-01-23
申请号：US18602028
申请日：2024-03-12
Applicant: Samsung Display Co., LTD.
Inventor： Su Kyoung YANG , Joon Yong PARK , Hyun Eok SHIN , Dong Min LEE , Ju Hyun LEE
IPC: H10K59/80 , H10K59/12 , H10K59/122
Abstract: A display device that includes a first pixel electrode disposed on a substrate; a pixel defining layer disposed on the substrate and exposing the first pixel electrode; a first light emitting layer disposed on the first pixel electrode; a first common electrode disposed on the first light emitting layer; a first bank layer disposed on the pixel defining layer; a second bank layer disposed on the first bank layer and including a side surface protruding from a side surface of the first bank layer; and a third bank layer disposed on the second bank layer and including a side surface protruding from the side surface of the first bank layer, wherein the second bank layer and the third bank layer each include a transparent conductive oxide (TCO), and the second bank layer further includes zinc (Zn).
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公开(公告)号：US20240381698A1
公开(公告)日：2024-11-14
申请号：US18399614
申请日：2023-12-28
Applicant: Samsung Display Co., LTD.
Inventor： Joon Yong PARK , Hyun Eok SHIN , Su Kyoung YANG , Dong Min LEE
IPC: H10K59/122 , H10K59/12 , H10K59/124 , H10K59/38 , H10K59/80 , H10K71/60
Abstract: A display device includes a first pixel electrode disposed in a first emission area on a substrate, an insulating layer covering edges of the first pixel electrode, a first light-emitting layer disposed on the first pixel electrode and the insulating layer, a first common electrode disposed on the first light-emitting layer, a first bank disposed on the insulating layer, the first bank surrounding the first emission area, a second bank disposed on the first bank, around the first emission area, the second bank including tips projected from sides of the first bank, and an etch control layer disposed on a top surface of the first common electrode, on the sides of the first bank, and on bottom surfaces of the tips of the second bank.
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公开(公告)号：US20240334755A1
公开(公告)日：2024-10-03
申请号：US18398842
申请日：2023-12-28
Applicant: Samsung Display Co., LTD.
Inventor： Joon Yong PARK , Hyun Eok SHIN , Dong Min LEE , SAMTAE JEONG
IPC: H10K59/123 , H10K59/12 , H10K59/80
CPC classification number: H10K59/123 , H10K59/1201 , H10K59/80517
Abstract: According to embodiments, a display device includes a pixel driving circuit including a transistor and disposed on a substrate, an organic layer covering the pixel driving circuit and including a contact hole, a conductive organic layer covering the contact hole and the organic layer around the contact hole and electrically connected to the transistor through the contact hole, a non-conductive organic layer disposed on the organic layer and disposed in a region where the conductive organic layer is not disposed, and an anode electrically connected to the conductive organic layer, and the contact hole overlaps the anode in a plan view.
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公开(公告)号：US20240243231A1
公开(公告)日：2024-07-18
申请号：US18462455
申请日：2023-09-07
Applicant: Samsung Display Co., LTD.
Inventor： Joon Yong PARK , Hyun Eok SHIN , Su Kyoung YANG
IPC: H01L33/42 , H01L25/075 , H01L33/38
CPC classification number: H01L33/42 , H01L25/0753 , H01L33/382 , H01L2933/0016
Abstract: A display device includes electrodes spaced apart from each other, a first insulating layer disposed on the electrodes, a light emitting element disposed on the first insulating layer, and a connection electrode contacting the light emitting element on the light emitting element. The electrodes include a first electrode layer, a second electrode layer, and a third electrode layer. The first electrode layer, the second electrode layer, and the third electrode layer are sequentially stacked. A surface of the second electrode layer includes an Al—Ni—Cu precipitate. The connection electrode contacts the surface of the second electrode layer through a contact hole formed in the third electrode layer.
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Patent Agency Ranking
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.
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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
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.
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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.
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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.
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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
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.
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