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公开(公告)号：US20250098428A1
公开(公告)日：2025-03-20
申请号：US18659252
申请日：2024-05-09
Applicant: Samsung Display Co., LTD.
Inventor： Hyun Eok SHIN , Joon Yong PARK , Dong Min LEE , Sung Soon IM
IPC: H10K59/122 , H10K59/12 , H10K59/80
Abstract: A display device includes an anode electrode on the emission area of the substrate, a pixel-defining layer on the non-emission area of the substrate and including a first opening, a first bank layer on the pixel-defining layer, including a second opening, and including a conductive material, a second bank layer on the first bank layer and including a tip that protrudes over a side surface of the first bank layer toward the first opening, a cathode electrode on the anode electrode and contacting the side surface of the first bank layer, and an electrode pattern on the second bank layer and including a same material as the first cathode electrode. The cathode electrode and the electrode pattern are spaced apart from each other, and the electrode pattern covers a surface of the second bank layer facing the first opening in line with the protruding tip.
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公开(公告)号：US20250056970A1
公开(公告)日：2025-02-13
申请号：US18599386
申请日：2024-03-08
Applicant: Samsung Display Co., LTD.
Inventor： Hyun Eok SHIN , Su Kyoung YANG , Dong Min LEE , Joon Yong PARK , Byung Soo SO , Yung Bin CHUNG
IPC: H10K59/122 , H10K59/12 , H10K59/80
Abstract: A display device includes a pixel electrode in a light emission area, a pixel defining layer which is on the pixel electrode and defines the light emission area, a light emitting layer and a common electrode on the pixel electrode, a bank on the pixel defining layer, the bank including a first bank layer defining a lower portion of a bank opening corresponding to the light emission area and a second bank layer which defines an upper portion of the bank opening and a tip of the bank, the tip including upper and lower surfaces of the second bank layer, a lower inorganic encapsulation layer which is on the bank and includes an inorganic pattern on the common electrode and facing and spaced apart from both the upper and lower surfaces of the tip, and an auxiliary pattern between the lower surface of the tip and the inorganic pattern.
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公开(公告)号：US20240431145A1
公开(公告)日：2024-12-26
申请号：US18417960
申请日：2024-01-19
Applicant: Samsung Display Co., LTD.
Inventor： Dong Min LEE , Jong Hee PARK , Su Kyoung YANG , Joon Yong PARK , Hyun Eok SHIN
IPC: H10K59/122 , H10K59/12
Abstract: A display device includes: a first pixel electrode disposed on a substrate, a sacrificial pattern disposed on an edge of the first pixel electrode, a pixel defining film including a body portion disposed on the substrate and a protrusion portion disposed on the sacrificial pattern 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 film, and a second bank layer disposed on the first bank layer and having a side surface protruding more than a side surface of the first bank layer. A first side surface of the sacrificial pattern is aligned with a side surface of the protrusion portion of the pixel defining film or protrudes more than the side surface of the protrusion portion of the pixel defining film.
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公开(公告)号：US20240397753A1
公开(公告)日：2024-11-28
申请号：US18595810
申请日：2024-03-05
Applicant: Samsung Display Co., LTD.
Inventor： Joon Yong PARK , Hyun Eok SHIN , Su Kyoung YANG , Dong Min LEE
IPC: H10K59/122 , H10K59/80 , H10K102/00
Abstract: A display device includes a first electrode on a substrate; a pixel-defining layer disposed on the substrate and defining a first opening overlapping the first electrode, a bank structure disposed on the pixel-defining layer and defining a second opening overlapping the first opening; a first emissive layer disposed on the first electrode and disposed in the first opening; and a second electrode disposed on the first emissive layer and contacting the bank structure in the second opening. The bank structure includes a first base disposed on the pixel-defining layer and including a conductive material, and a second base disposed on the first base and including a tip protruding toward the first opening. The second base includes a first bank layer disposed on the first base and including a transparent conductive material, and a second bank layer disposed on the first bank layer and including a conductive material.
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公开(公告)号：US20240389418A1
公开(公告)日：2024-11-21
申请号：US18543745
申请日：2023-12-18
Applicant: Samsung Display Co., LTD.
Inventor： Joon Yong PARK , Hyun Eok SHIN , Su Kyoung YANG , Dong Min LEE
IPC: H10K59/131 , H10K59/122 , H10K59/80
Abstract: A display device includes a substrate; a first pixel electrode disposed on the substrate; a pixel defining layer disposed on the substrate and defining a first opening overlapping the first pixel electrode; a bank structure disposed on the pixel defining layer and defining a second opening overlapping the first opening; a first light emitting layer disposed on the first pixel electrode and in the first opening; a first common electrode disposed on the first light emitting layer and in contact with the bank structure in the second opening; a first auxiliary electrode disposed on the first common electrode, completely covering the first common electrode in the second opening, and in contact with the bank structure; a second auxiliary electrode disposed on the first auxiliary electrode, completely covering the first auxiliary electrode in the second opening, and in contact with the bank structure; and a first encapsulation layer.
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Patent Agency Ranking
公开(公告)号：US20240389394A1
公开(公告)日：2024-11-21
申请号：US18410134
申请日：2024-01-11
Applicant: Samsung Display Co., LTD.
Inventor： Joon Yong PARK , Hyun Eok SHIN , Su Kyoung YANG , Dong Min LEE
IPC: H10K59/122 , H10K59/12 , H10K59/126 , H10K59/38 , H10K59/40 , H10K71/20 , H10K71/60 , H10K102/00
Abstract: A display device includes an emission area including a pixel electrode, an inorganic layer exposing the pixel electrode to outside the inorganic layer, a light emitting layer and a common electrode, and a bank layer on the inorganic layer and in which an opening is defined corresponding to the emission area. The bank layer includes a first bank layer including zinc, a second bank layer on the first bank layer, a third bank layer on the second bank layer, each of the first bank layer, the second bank layer and the third bank layer including a side surface which defines a portion of the opening in the bank layer; the side surface of the first bank layer recessed from the side surface of the second bank layer in a direction away from the first emission area; and the side surface of the second bank layer recessed from the side surface of the first bank layer in a direction away from the emission area.
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公开(公告)号：US20240349580A1
公开(公告)日：2024-10-17
申请号：US18530624
申请日：2023-12-06
Applicant: Samsung Display Co., Ltd.
Inventor： Hyun Eok SHIN , Ju Hyun LEE , Dong Min LEE
CPC classification number: H10K59/8792 , G06F3/0412 , G06F3/0445 , H10K59/40
Abstract: A touch sensing unit having a substrate including an emission area and a non-emission area, a light emitting element positioned on the substrate and overlapping the emission area, a thin film encapsulation layer on the light emitting element and a touch sensor layer positioned on the thin film encapsulation layer, including a touch insulating layer on the thin film encapsulation layer, a touch metal layer on the touch insulating layer, and a touch protection layer on the touch metal layer, including a first conductive layer on the touch insulating layer, a second conductive layer on the first conductive layer and a first inclined surface connecting the first surface to the second surface and a third conductive layer covering the first inclined surface and the second surface of the second conductive layer.
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公开(公告)号：US20240138194A1
公开(公告)日：2024-04-25
申请号：US18224610
申请日：2023-07-20
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：US20230086407A1
公开(公告)日：2023-03-23
申请号：US17717554
申请日：2022-04-11
Applicant: Samsung Display Co., Ltd.
Inventor： Hyun Eok SHIN , Do Keun SONG , Dong Min LEE , Joon Yong PARK , Hyun Ah SUNG , Yun Jong YEO , Dae Won CHOI
IPC: H01L27/32
Abstract: A conductive pattern is disclosed that includes a conductive layer including aluminum, a first capping layer disposed on the conductive layer and including titanium, and a second capping layer disposed on the first capping layer and including titanium nitride. A mixed region in which the aluminum and the titanium are mixed with each other is disposed in at least portions of the conductive layer and the first capping layer.
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50.发明申请公开(公告)号：US20190165083A1
公开(公告)日：2019-05-30
申请号：US16164796
申请日：2018-10-19
Applicant: Samsung Display Co., Ltd.
Inventor： Joon Geol LEE , Kyeong Su KO , Sang Won SHIN , Dong Min LEE , Sang Gab KIM , Sang Woo SOHN , Hyun Eok SHIN , Shin Il CHOI
Abstract: A conductive pattern for a display device includes a first layer including aluminum or an aluminum alloy disposed on a substrate and forming a first taper angle with the substrate, and a second layer disposed on the first layer forming a second taper angle with the first layer, in which the second taper angle is smaller than the first taper angle.
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