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公开(公告)号：US20240234663A9
公开(公告)日：2024-07-11
申请号：US18488705
申请日：2023-10-17
Applicant: Samsung Display Co., Ltd.
Inventor： Jin Taek KIM , Veidhes BASRUR , Ki Nyeng KANG , Ock Soo SON , Yong Tae CHO , Jong Hwan CHA
CPC classification number: H01L33/62 , H01L25/167
Abstract: A pixel may include: an emission area and a non-emission area; a first bank in the non-emission area, the first bank including an opening corresponding to the emission area; a first electrode, a second electrode, and an intermediate electrode that are spaced from each other; light emitting elements in the emission area, each of the light emitting elements including one end portion electrically connected to one of the first electrode, the second electrode, or the intermediate electrode and an other end portion electrically connected to another one of the first electrode, the second electrode, or the intermediate electrode; and a sub-bank located in the opening of the first bank, the sub-bank being spaced from the first bank. The intermediate electrode may be around at least a portion of the sub-bank.
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公开(公告)号：US20230290790A1
公开(公告)日：2023-09-14
申请号：US17945186
申请日：2022-09-15
Applicant: Samsung Display Co., LTD.
Inventor： Veidhes BASRUR , Ock Soo SON , Ki Nyeng KANG , Jong Hwan CHA
CPC classification number: H01L27/1248 , H01L25/167 , H01L33/38 , H01L27/1288 , G09G3/32
Abstract: A display device includes pixels. Each of the pixels includes electrodes disposed on a base layer; a first insulating layer disposed on the electrodes; a light emitting element disposed on the first insulating layer; a bank disposed on the first insulating layer and protruding in a thickness direction of the base layer; and a second insulating layer, at least a portion of the second insulating layer being disposed on the first insulating layer. At least part of the electrodes of a pixel among the pixels are spaced apart from at least part of the electrodes of another pixel adjacent to the pixel with an open area being disposed between the electrodes. The first insulating layer includes a first opening overlapping the open area in a plan view, and the second insulating layer includes a second opening overlapping the open area in a plan view.
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公开(公告)号：US20230155064A1
公开(公告)日：2023-05-18
申请号：US17896462
申请日：2022-08-26
Applicant: Samsung Display Co., LTD.
Inventor： Jeong Kook WANG , Ki Nyeng KANG , In Pyo KIM , Jae Hee KIM , Hong Joon MOON , Jong Hwan CHA
CPC classification number: H01L33/382 , H01L27/156 , H01L33/42 , H01L33/62
Abstract: A display device includes light-emitting elements disposed on first and second electrodes, and having first end portions disposed on the first electrode, and second end portions disposed on the second electrode, a first connecting electrode extending in a first direction and disposed on the first electrode, the first connecting electrode being in contact with the first end portions of the light-emitting elements, a second connecting electrode extending in the first direction and disposed on the second electrode, the second connecting electrode being in contact with the second end portions of the light-emitting elements, and a connecting electrode pattern disposed on the first electrode, the connecting electrode pattern overlapping the first connecting electrode. The second connecting electrode and the connecting electrode pattern include a same material, and a thickness of the first connecting electrode is less than a thickness of the second connecting electrode and the connecting electrode pattern.
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公开(公告)号：US20230142777A1
公开(公告)日：2023-05-11
申请号：US17963857
申请日：2022-10-11
Applicant: Samsung Display Co., LTD.
Inventor： Jong Hwan CHA , Ki Nyeng KANG , Hong Joon MOON , Kwang Taek HONG
CPC classification number: H01L27/156 , H01L33/24 , H01L33/44 , H01L33/005
Abstract: A display device includes an emission area, a first sub-region on one side of the emission area in a first direction, and a second sub-region on an other side of the emission area in the first direction, a bank layer surrounding the emission area, the first sub-region, and the second sub-region, a first voltage line extending in a second direction crossing the first direction in the first sub-region, and a second voltage line extending in the second direction in the second sub-region, a first electrode extending in the first direction and disposed across the first sub-region, the emission area, and the second sub-region, a second electrode extending in the first direction and including a portion spaced from the first electrode in the second direction in the emission area, and a plurality of light emitting elements on the first electrode and the second electrode in the emission area.
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公开(公告)号：US20250160125A1
公开(公告)日：2025-05-15
申请号：US18731054
申请日：2024-05-31
Applicant: c/o Samsung Display Co., LTD.
Inventor： Jong Hwan CHA , Ki Nyeng KANG
IPC: H10K59/122 , H10K59/12
Abstract: A display device includes a substrate including an emission area and a non-emission area, a first anode electrode at the emission area, a first cathode electrode above the first anode electrode, a first pixel-defining layer at the non-emission area, and defining a first opening, a bank structure above the first pixel-defining layer, and including a second bank layer contacting the first cathode electrode, and a third bank layer including a second tip protruding toward the emission area from a side surface of the second bank layer, a second pixel-defining layer above the bank structure, defining a second opening, overlapping the second tip in a direction perpendicular to the substrate, and contacting the second tip, and a first encapsulation layer above the second pixel-defining layer.
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Patent Agency Ranking
公开(公告)号：US20250072114A1
公开(公告)日：2025-02-27
申请号：US18766979
申请日：2024-07-09
Applicant: Samsung Display Co., LTD.
Inventor： Veidhes BASRUR , Ki Nyeng KANG , Keun Kyu SONG , Jong Hwan CHA
Abstract: An embodiment of the disclosure provides a display device including a substrate including a display area, and a peripheral area disposed on a side of the display area, a first alignment electrode, a second alignment electrode, and a third alignment electrode that overlap the display area, are spaced apart from each other in a first direction, and extend in a second direction intersecting the first direction, light emitting elements disposed between the first alignment electrode and the second alignment electrode, and between the second alignment electrode and the third alignment electrode, and a data line overlapping the second alignment electrode in a plan view and extending in the second direction. A length of a first width of the data line in the first direction is less than or equal to a length of a second width of the second alignment electrode in the first direction.
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公开(公告)号：US20240120346A1
公开(公告)日：2024-04-11
申请号：US18456410
申请日：2023-08-25
Applicant: Samsung Display Co., LTD.
Inventor： Jong Hwan PARK , Ki Nyeng KANG , Jong Hwan CHA
CPC classification number: H01L27/124 , H01L25/167
Abstract: A display device includes a display area, a non-display area, a pixel circuit including a thin film transistor, a gate driver in the non-display area for supplying a gate signal to the pixel circuit, a via layer above the pixel circuit and the gate driver, first and second electrodes above the via layer in the display area, and extending substantially in parallel with each other, a light-emitting element between the first electrode and the second electrode, a first contact electrode connected to one end of the light-emitting element, and a protective metal layer overlapping the gate driver, and including a first layer at a same layer as the first electrode and the second electrode, the first layer defining first holes, and a second layer at a same layer as the first contact electrode, at least partially filling the first holes, and contacting an upper surface of the via layer.
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公开(公告)号：US20240038937A1
公开(公告)日：2024-02-01
申请号：US18339910
申请日：2023-06-22
Applicant: Samsung Display Co., LTD.
Inventor： Veidhes BASRUR , Ki Nyeng KANG , Ock Soo SON , Jong Hwan CHA
IPC: H01L33/38 , H01L33/62 , H01L25/075
CPC classification number: H01L33/382 , H01L33/62 , H01L25/0753 , H01L2933/0016 , H01L2933/0066
Abstract: A display device including a substrate, a first electrode and a second electrode on the substrate, extending parallel to each other along a first direction, and spaced from each other in a second direction intersecting the first direction, a plurality of light emitting elements on the first electrode and the second electrode, a first insulating layer partially covering upper surfaces of the light emitting elements, a first connection electrode on the plurality of light emitting elements and the first insulating layer, the first connection electrode being in contact with an end of each of the plurality of light emitting elements, a second insulating layer on the first connection electrode, a second connection electrode on the second insulating layer, the second connection electrode being in contact with an other end of each of the plurality of light emitting elements, and a first dummy electrode overlapping the first connection electrode.
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公开(公告)号：US20230260981A1
公开(公告)日：2023-08-17
申请号：US17943297
申请日：2022-09-13
Applicant: Samsung Display Co., LTD.
Inventor： Veidhes BASRUR , Ki Nyeng KANG , Ock Soo SON , Jong Hwan CHA
CPC classification number: H01L25/167 , H01L33/38
Abstract: A display device includes first group electrodes and the second group electrodes spaced apart from second group electrodes in a first direction, respectively, light emitting elements disposed on the first group electrodes and the second group electrodes, a first connection electrode and a second connection electrode disposed on the first group electrodes and extending in the first direction, a third connection electrode and a fourth connection electrode disposed on the first group electrodes and the second group electrodes and extending in the first direction, and a fifth connection electrode disposed on at least two electrodes of the second group electrodes and spaced apart from the first connection electrode and the second connection electrode in the first direction. Each of the first connection electrode, the second connection electrode, and the fifth connection electrode is disposed between the third connection electrode and the fourth connection electrode in a second direction.
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公开(公告)号：US20230246133A1
公开(公告)日：2023-08-03
申请号：US17996906
申请日：2020-06-23
Applicant: SAMSUNG DISPLAY CO., LTD.
Inventor： Jong Hwan CHA , Ki Nyeng KANG
CPC classification number: H01L33/38 , H01L25/167 , H01L33/62 , H01L2933/0016 , H01L2933/0066
Abstract: A display device and a method of repairing the same, where the display device includes a substrate, a first electrode, a second electrode, and a third electrode on the substrate and sequentially arranged along a first direction, at least one first light emitting element between the first electrode and the second electrode, at least one second light emitting element between the second electrode and the third electrode, a first contact electrode that is in contact with the first electrode and one end of the first light emitting element, a second contact electrode having one side that is in contact with another end of the first light emitting element and another side that is in contact with the third electrode and one end of the second light emitting element, a third contact electrode that is in contact with the second electrode and another end of the second light emitting element.
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