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公开(公告)号：US12272769B2
公开(公告)日：2025-04-08
申请号：US17579331
申请日：2022-01-19
Applicant: SAMSUNG DISPLAY CO., LTD.
Inventor： Hyun Wook Lee , Hyun Kim , Jeong Su Park , Jong Chan Lee , Jung Eun Hong
Abstract: A display device and a method of manufacturing the same are provided. The display device includes a pixel including an emission area and a non-emission area, a transistor of the pixel, a protective layer on the transistor, and including an opening area overlapping the non-emission area, alignment electrodes on the protective layer and spaced apart from each other, light emitting elements between respective ones of the alignment electrodes in the emission area, and a connection electrode electrically connected to the light emitting elements, and electrically connected to the transistor in the opening area.
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公开(公告)号：US12205959B2
公开(公告)日：2025-01-21
申请号：US17550429
申请日：2021-12-14
Applicant: Samsung Display Co., LTD.
Inventor： Jong Chan Lee , Hyun Kim , Jeong Su Park , Jeong Kook Wang , Hyun Wook Lee , Yong Tae Cho
Abstract: A display device includes a first electrode and a second electrode spaced apart from each other, each of the first electrode and the second electrode including an electrode base layer, a main electrode layer disposed on the electrode base layer, and an electrode upper layer disposed on a portion of the main electrode layer, a first insulating layer disposed on the first electrode and the second electrode, light-emitting elements disposed on the first electrode and the second electrode on the first insulating layer, a first connecting electrode electrically contacting the light-emitting elements, and a second connecting electrode electrically contacting the light-emitting elements. The first electrode includes a first part, the second electrode includes a second part, and the light-emitting elements are disposed on the first part and the second part.
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公开(公告)号：US12159957B2
公开(公告)日：2024-12-03
申请号：US17533835
申请日：2021-11-23
Applicant: Samsung Display Co., LTD.
Inventor： Myeong Hun Song , Hyun Kim , Jeong Su Park , Jong Chan Lee , Hyun Wook Lee
Abstract: A display device includes an electrode layer including a first electrode; and a second electrode; light emitting elements on the electrode layer; an insulating layer on the light emitting elements and including openings exposing at least one of ends of a part of the light emitting elements; and a contact electrode corresponding to each of the openings, the insulating layer includes a fixing pattern between the first electrode and the second electrode; a division pattern intersecting the fixing pattern; a connection pattern connecting a first end of the fixing pattern to a first end of the division pattern; and a base portion surrounding the fixing pattern, the division pattern, and the connection pattern, the base portion is connected to a second end of the fixing pattern and a second end of the division pattern and spaced apart from the connection pattern.
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公开(公告)号：US11996497B2
公开(公告)日：2024-05-28
申请号：US17156253
申请日：2021-01-22
Applicant: Samsung Display Co., Ltd.
Inventor： Hyun Wook Lee , Ki Bum Kim , Jin Taek Kim , Seung Min Lee , Kwang Taek Hong , Jung Eun Hong
CPC classification number: H01L33/387 , H01L27/156
Abstract: A pixel includes a first electrode; a second electrode surrounding at least a portion of the first electrode; a plurality of light emitting elements between the first electrode and the second electrode; a first contact electrode on the first electrode, the first contact electrode electrically connecting the first electrode and the plurality of light emitting elements; a second contact electrode on the second electrode, the second contact electrode electrically connecting the second electrode and the plurality of light emitting elements; and an intermediate electrode on the first electrode and the second electrode, the intermediate electrode comprising a first area overlapping the first electrode and a second area overlapping the second electrode, the first area and the second area being integrally connected to each other.
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公开(公告)号：US11785809B2
公开(公告)日：2023-10-10
申请号：US17411612
申请日：2021-08-25
Applicant: Samsung Display Co., LTD.
Inventor： Hyun Wook Lee , Ki Nyeng Kang , Basrur Veidhes , Sung Won Jo , Jung Eun Hong
IPC: H01L25/16 , H10K59/122 , H10K59/124
CPC classification number: H10K59/122 , H10K59/124
Abstract: A display device includes an emission area and a sub-region spaced apart from the emission area in a first direction, electrodes extending in the first direction, disposed across the emission area and the sub-region, and spaced apart from each other in a second direction, a first bank surrounding the emission area and the sub-region, and light emitting elements disposed on the electrodes spaced apart in the second direction in the emission area. The first bank includes trench portions in which a top surface of the first bank is partially depressed. The trench portions are disposed between the emission area and the sub-region.
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Patent Agency Ranking
公开(公告)号：US12113153B2
公开(公告)日：2024-10-08
申请号：US17674500
申请日：2022-02-17
Applicant: Samsung Display Co., LTD.
Inventor： Hyun Kim , Jeong Su Park , Jong Chan Lee , Hyun Wook Lee , Jung Eun Hong
CPC classification number: H01L33/382 , H01L27/156 , H01L33/62
Abstract: A display device includes an electrode layer including a first electrode and a second electrode that are spaced apart from each other and disposed on a substrate, a light emitting element between the first electrode and the second electrode, and a capping layer disposed on the light emitting element and including at least one low refractive layer and at least one high refractive layer that are alternately disposed. The capping layer includes a first low refractive layer on the electrode layer and the light emitting element, a first high refractive layer on the first low refractive layer, and a second low refractive layer on the first high refractive layer. A thickness of the first low refractive layer is greater than a thickness of the second low refractive layer.
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公开(公告)号：US11079689B2
公开(公告)日：2021-08-03
申请号：US16418945
申请日：2019-05-21
Applicant: Samsung Display Co., Ltd.
Inventor： Hyun Wook Lee , Soon Wook Hong , Seung Rae Kim , Jae-Hyun Park , Min cheol Chae
Abstract: A display device including: a substrate having display area and a non-display area; and an alignment mark disposed in the non-display area of the substrate. The alignment mark includes a quadrangular-shaped center portion and a plurality of measurement portions that surround the center portion, the plurality of measurement portions including four or more measurement portions, and each of the measurement portions including sides that are parallel with two sides of the quadrangular-shaped center portion.
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18.发明授权公开(公告)号：US10048544B2
公开(公告)日：2018-08-14
申请号：US14983794
申请日：2015-12-30
Applicant: Samsung Display Co., Ltd.
Inventor： Jun Hee Lee , Eok Su Kim , Won Jin Kim , Ju Yong Park , Jung Chul Woo , Sun Hee Lee , Hyun Wook Lee
IPC: G02F1/1339 , G02F1/1341 , G02F1/161 , G02F1/01
Abstract: A display panel includes a first display substrate including a display area and a non-display area which is at a periphery of the display area, a second display substrate facing the first display substrate, a display device in the display area between the first and second display substrates and including a first electrode, an optical layer including an optical layer material, and a second electrode, and a sealing member which is disposed in the non-display area and attaches the first and second display substrates to each other. The sealing member defines a sealing portion thereof which restricts movement of the display area optical layer material to outside the display area, and a receiving portion thereof in which the optical layer material is receivable.
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公开(公告)号：US12183855B2
公开(公告)日：2024-12-31
申请号：US18440459
申请日：2024-02-13
Applicant: Samsung Display Co., LTD.
Inventor： Hyun Wook Lee , Ki Bum Kim , Jin Taek Kim , Jung Eun Hong
Abstract: A display device includes a substrate, a first electrode and a second electrode which are spaced apart from each other in a second direction, light-emitting elements spaced apart from each other in the first direction, a first contact electrode electrically contacting the light-emitting elements, and a second contact electrode electrically contacting the light-emitting elements. The first contact electrode electrically contacts the first electrode through a first contact portion disposed on the first electrode, the second contact electrode electrically contacts the second electrode through a second contact portion disposed on the second electrode, the first contact portion is disposed on an end portion in the first direction of the first contact electrode, and the second contact portion is disposed on an end portion in the first direction of the second contact electrode.
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20.发明授权公开(公告)号：US12161027B2
公开(公告)日：2024-12-03
申请号：US17236995
申请日：2021-04-21
Applicant: Samsung Display Co., Ltd.
Inventor： Ki Bum Kim , Kyung Tae Chae , Ki Nyeng Kang , Jin Taek Kim , Hyun Wook Lee
IPC: H10K59/131 , H10K59/123
Abstract: A display device including: a substrate; a conductive layer on the substrate and including a first voltage line and a second voltage line extending in a first direction; a first electrode and a second electrode on the conductive layer, extending in the first direction, and spaced apart from each other; a plurality of light-emitting elements on the first electrode and the second electrode; and an electrode pattern on the conductive layer and separated from the first electrode. The electrode pattern overlaps the first voltage line in a thickness direction and directly contacts the first voltage line.
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