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公开(公告)号：US20230061844A1
公开(公告)日：2023-03-02
申请号：US17707294
申请日：2022-03-29
Applicant: Samsung Display Co., LTD.
Inventor： Chong Sup CHANG , Young Seok BAEK , Ha Na SEO , Eui Kang HEO
Abstract: A display device includes a display area and a pad area, a first electrode and a second electrode disposed on a substrate in the display area, the first electrode and the second electrode being spaced apart from each other, a transistor disposed on the substrate in the display area, the transistor being electrically connected to the first electrode, and including a first transistor electrode and a second transistor electrode; a light emitting element disposed on the first electrode and the second electrode; and a pad structure disposed on the substrate in the pad area, the pad structure including a first pad pattern and a second pad pattern which is disposed on the first pad pattern and is electrically connected to the first pad pattern.
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公开(公告)号：US20210226166A1
公开(公告)日：2021-07-22
申请号：US17078015
申请日：2020-10-22
Applicant: Samsung Display Co., Ltd.
Inventor： Young Seok BAEK , Chong Sup CHANG , Hana SEO , Eui Kang HEO
Abstract: A method of manufacturing a display device may include sequentially forming a first conductive layer, a second conductive layer including copper (Cu), a third conductive layer, and a fourth conductive layer on a substrate, patterning the first conductive layer, the second conductive layer, the third conductive layer, and the fourth conductive layer together to form a conductive pattern including a first layer, a second layer, a third layer, and a fourth layer sequentially on the substrate, removing the fourth layer of the conductive pattern, forming a protective layer covering at least a sidewall of the conductive layer on the substrate, and forming a display element on the protective layer.
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3.发明公开公开(公告)号：US20230187583A1
公开(公告)日：2023-06-15
申请号：US17968657
申请日：2022-10-18
Applicant: Samsung Display Co., LTD.
Inventor： Young Seok BAEK , Ha Na SEO , Chong Sup CHANG , Eui Kang HEO
CPC classification number: H01L33/387 , H01L33/505 , H01L33/62 , H01L33/005 , H01L27/156 , H01L2933/0016 , H01L2933/0041 , H01L2933/0066
Abstract: A pixel includes: an emission area and a non-emission area; a via layer including a lower surface and an upper surface, the via layer including a first part having a first thickness, and a second part having a second thickness; a first alignment electrode and a second alignment electrode on the via layer and spaced from each other; an insulating layer on the via layer, the first alignment electrode, and the second alignment electrode, the insulating layer having a planar surface; a first electrode and a second electrode in the emission area and spaced from each other; and light emitting elements on the planer surface of the insulating layer in the emission area, and electrically connected to the first electrode and the second electrode. The first and second alignment electrodes may be on the second part of the via layer and overlap the second part of the via layer.
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公开(公告)号：US20210134769A1
公开(公告)日：2021-05-06
申请号：US17088427
申请日：2020-11-03
Applicant: Samsung Display Co., Ltd.
Inventor： Bum Soo KAM , Eui Kang HEO
IPC: H01L25/075 , H01L23/00 , H01L25/16 , H01L33/62
Abstract: A display device includes a substrate, a first electrode, and a second electrode spaced from each other on the substrate, a first insulating layer on the first electrode, a first light emitting element between the first electrode and the second electrode, a second light emitting element on the first insulating layer and spaced from the first light emitting element, and a second insulating layer on the first insulating layer and covering at least a portion of the second light emitting element, wherein the first insulating layer includes at least one first opening penetrating the first insulating layer to expose a portion of the first electrode, the second insulating layer includes at least one second opening penetrating the second insulating layer to expose a portion of the first insulating layer, the at least one first opening and the at least one second opening do not overlap each other.
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公开(公告)号：US20210074769A1
公开(公告)日：2021-03-11
申请号：US16904715
申请日：2020-06-18
Applicant: Samsung Display Co., Ltd.
Inventor： Sang Jin PARK , Hyun Ae KIM , Hee Ra KIM , Ha Na SEO , Chong Sup CHANG , Eui Kang HEO
IPC: H01L27/32
Abstract: A display device includes a first display substrate and a second display substrate. The first display substrate includes a first base, a first electrode disposed on the first base, a second electrode spaced apart from the first electrode, and a light emitting element disposed between the first electrode and the second electrode. The second display substrate faces the first display substrate and is configured to receive light emitted from the light emitting element. The second display substrate includes a second base, a first color filter disposed on a surface of the second base, and a first wavelength conversion pattern disposed on the first color filter. The first wavelength conversion pattern includes a first surface facing the first display substrate, and a second surface facing the first surface and the first color filter. The first surface includes a curved surface portion recessed toward the second surface.
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Patent Agency Ranking
公开(公告)号：US20220263002A1
公开(公告)日：2022-08-18
申请号：US17661518
申请日：2022-04-29
Applicant: Samsung Display Co., Ltd.
Inventor： Chong Sup CHANG , Hyun Ae KIM , Eui Kang HEO
IPC: H01L33/62 , H01L25/075 , H01L29/786 , H01L27/12
Abstract: A display device includes a substrate, a first electrode and a second electrode which are spaced apart from each other on the substrate, a first insulating pattern on the substrate to cover at least a portion of each of the first electrode and the second electrode, a light emitting element between the first electrode and the second electrode on the first insulating pattern, a first contact electrode in contact with the first electrode and one end portion of the light emitting element, a second contact electrode in contact with the second electrode and another end portion of the light emitting element, and a second insulating pattern on the light emitting element and of which at least a portion is in contact with each of the first contact electrode and the second contact electrode, wherein the second insulating pattern includes a first upper surface not in contact with the first contact electrode or the second contact electrode.
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公开(公告)号：US20210359049A1
公开(公告)日：2021-11-18
申请号：US17232019
申请日：2021-04-15
Applicant: Samsung Display Co., Ltd.
Inventor： Eui Kang HEO , Young Seok BAEK , Chong Sup CHANG
Abstract: A display device includes a thin film transistor layer including at least one transistor on a substrate; a first electrode on the thin film transistor layer and connected to the at least one transistor; a second electrode spaced from the first electrode on the thin film transistor layer; a plurality of light emitting elements connected to the first electrode and the second electrode; and an electrode pattern on a same layer as the first electrode and the second electrode and overlapping the plurality of light emitting elements in a thickness direction.
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公开(公告)号：US20210272938A1
公开(公告)日：2021-09-02
申请号：US17260522
申请日：2019-05-13
Applicant: Samsung Display Co., Ltd.
Inventor： Chongsup CHANG , Hyunae KIM , Eui Kang HEO
IPC: H01L25/075 , H01L27/12 , H01L33/62
Abstract: A display device includes a first electrode; a second electrode; a light-emitting element; a first pattern portion adjacent to a first area in which the first electrode and the light-emitting element overlap each other in a plan view; a second pattern portion adjacent to a second area in which the second electrode and the light-emitting element overlap each other in a plan view; a first connection electrode covering the light-emitting element and the first pattern portion and being electrically connected to the light-emitting element and the first electrode; and a second connection electrode covering the light-emitting element and the second pattern portion and being electrically connected to the light-emitting element and the second electrode.
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公开(公告)号：US20190115405A1
公开(公告)日：2019-04-18
申请号：US15965730
申请日：2018-04-27
Applicant: Samsung Display Co., Ltd.
Inventor： Eui Kang HEO , Youngdae KIM , Jeong-Seon KIM , Cha-Dong KIM , Hyunae KIM
IPC: H01L27/32
CPC classification number: H01L27/3248 , H01L27/3246 , H01L27/3258 , H01L27/3276 , H01L51/5206 , H01L2227/323
Abstract: An organic light emitting display device may include a switching element disposed on a substrate, a planarization layer covering the switching element, a first electrode disposed on the planarization layer and coupled to the switching element, a first through hole being defined in a peripheral portion of the first electrode, a pixel defining layer covering the peripheral portion of the first electrode to expose an emission portion of the first electrode, an organic light emitting layer disposed on the emission portion of the first electrode, and a second electrode disposed on the organic light emitting layer.
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公开(公告)号：US20240138231A1
公开(公告)日：2024-04-25
申请号：US18322659
申请日：2023-05-23
Applicant: Samsung Display Co., LTD.
Inventor： Eui Kang HEO , Chong Sup CHANG
IPC: H10K59/80 , H10K59/12 , H10K59/124 , H10K59/88
CPC classification number: H10K59/80522 , H10K59/1201 , H10K59/124 , H10K59/88
Abstract: A display device includes a thin-film transistor, an interlayer insulating layer on the thin-film transistor, a source electrode, a drain electrode, and an auxiliary electrode on the interlayer insulating layer, each of the source electrode, the drain electrode, and the auxiliary electrode including a main conductive layer and a sub conductive layer on the main conductive layer, and a via insulating layer on the source electrode, the drain electrode and the auxiliary electrode, the via insulating layer covering the source electrode and the drain electrode and exposing a portion of an upper surface of the second conductive layer of the auxiliary electrode. The via insulating layer includes a first part spaced apart from the upper surface of the second conductive layer of the auxiliary electrode, and the second part adjacent to side surfaces of the main conductive layer and the sub conductive layer of the auxiliary electrode.
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