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公开(公告)号：US20230187427A1
公开(公告)日：2023-06-15
申请号：US17959428
申请日：2022-10-04
Applicant: Samsung Display Co., LTD.
Inventor： In Pyo KIM , Ki Nyeng KANG , Jae Hee KIM , Hong Joon MOON , Jeong Kook WANG , Jong Hwan CHA
IPC: H01L25/16 , G09G3/3233 , H01L33/00
CPC classification number: H01L25/167 , G09G3/3233 , H01L33/005 , G09G2300/0842 , G09G2300/0819 , G09G2300/0426
Abstract: A display device includes electrodes spaced apart from each other, light emitting elements disposed between the electrodes, and connection electrodes electrically connected to the light emitting elements. The connection electrodes include first areas in electrical contact with the light emitting elements and second areas extending upwardly from the light emitting elements. A space is formed between the light emitting elements and the second areas of the connection electrodes.
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公开(公告)号：US20240136488A1
公开(公告)日：2024-04-25
申请号：US18488705
申请日：2023-10-16
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：US20230343913A1
公开(公告)日：2023-10-26
申请号：US18093588
申请日：2023-01-05
Applicant: Samsung Display Co., LTD.
Inventor： Jong Hwan CHA , Kwang Taek HONG , Ki Nyeng KANG , Hong Joon MOON
CPC classification number: H01L33/62 , G09G3/32 , H01L33/382 , G09G2310/0278
Abstract: A display device includes a first pixel, a second pixel, and a third pixel, each disposed on a substrate and including a pixel circuit, a first metal line disposed at a first metal layer on the substrate, extending in a first direction on a first side of the pixel circuits of the first to third pixels, and electrically connected to at least one of the pixel circuits of the first to third pixels, a second metal line disposed at a second metal layer on the first metal layer, extending in the first direction on a first side of the first metal line, and electrically connected to at least one of the pixel circuits of the first to third pixels, and a third metal line disposed at the first metal layer, extending in the first direction on a first side of the second metal line, and electrically connected to at least one of the pixel circuits of the first to third pixels. Each of the first to third metal lines supplies a voltage to at least one of the pixel circuits of the first to third pixels.
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公开(公告)号：US20230282681A1
公开(公告)日：2023-09-07
申请号：US18109961
申请日：2023-02-15
Applicant: Samsung Display Co., LTD.
Inventor： Jae Hee KIM , Ki Nyeng KANG , In Pyo KIM , Jeong Kook WANG , Hyo Jeong LEE , Jong Hwan CHA
CPC classification number: H01L27/156 , H01L33/24 , H01L33/44 , H01L33/005
Abstract: A display device includes electrodes disposed in a display area and spaced apart from each other, light emitting elements disposed between the electrodes, conductive lines disposed in a non-display area and electrically connected to the electrodes, and dummy pixels disposed on the conductive lines. The dummy pixels each may include dummy partition walls spaced apart from each other, and dummy electrodes disposed on the partition walls and spaced apart from each other.
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公开(公告)号：US20230261143A1
公开(公告)日：2023-08-17
申请号：US18026448
申请日：2021-09-07
Applicant: Samsung Display Co., LTD.
Inventor： Jong Hwan CHA , Seung Jin CHU , Je Min LEE
CPC classification number: H01L33/38 , H01L25/167 , H01L27/124
Abstract: A display device includes: a first substrate; a first conductive layer including a first voltage line and a second voltage line on the first substrate; a first transistor on the first conductive layer and electrically connected to the first voltage line; a plurality of first banks on the first transistor and spaced apart from each other; a first electrode on the plurality of first banks and electrically connected to the first transistor, and a second electrode on the plurality of first banks and electrically connected to the second voltage line; a plurality of light-emitting diodes on the first electrode and the second electrode; and a first contact electrode coming into contact with an end portion of each of the light-emitting diodes and on the first electrode, and a second contact electrode coming into contact with another end portion of each of the light-emitting diodes and on the second electrode.
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Patent Agency Ranking
公开(公告)号：US20230231096A1
公开(公告)日：2023-07-20
申请号：US18092509
申请日：2023-01-03
Applicant: Samsung Display Co., LTD.
Inventor： Jong Hwan CHA , Ki Nyeng KANG , Jin Taek KIM , Hong Joon MOON
CPC classification number: H01L33/62 , H01L25/167 , H01L27/124
Abstract: A display device comprises electrode patterns spaced apart from each other in a first direction; a via layer disposed on the electrode patterns; first electrodes, each of the first electrodes partially overlapping an electrode pattern of the electrode patterns on the via layer in a plan view and extending in a second direction intersecting the first direction; second electrodes, each of the second electrodes comprising a portion extending in the second direction, the first electrodes and the second electrodes being spaced apart from each other and alternately disposed with each other; and light emitting elements disposed on a first electrode of the first electrodes and a second electrode of the second electrodes. The first electrodes are in contact with the electrode patterns through first electrode contact holes penetrating the via layer, and the first electrode contact holes are spaced apart from each other in the first direction.
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公开(公告)号：US20230032600A1
公开(公告)日：2023-02-02
申请号：US17836609
申请日：2022-06-09
Applicant: Samsung Display Co., LTD.
Inventor： Kwang Taek HONG , Hong Joon MOON , Jong Hwan CHA
Abstract: A display device comprises an initialization voltage line on a substrate, a first interlayer insulating layer disposed on the initialization voltage line, a low potential voltage line disposed on the first interlayer insulating layer, and having a stepped portion and overlapping the initialization voltage line, an auxiliary pattern disposed on the low potential voltage line and forming a flat portion with the stepped portion of the low potential voltage line, a second interlayer insulating layer disposed on the auxiliary pattern, a planarization layer disposed on the second interlayer insulating layer, a first electrode and a second electrode disposed on the planarization layer and spaced apart from each other, a light emitting element having ends aligned on the first electrode and the second electrode, a first contact electrode electrically contacting an end of the light emitting element, and a second contact electrode electrically contacting another end of the light emitting element.
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公开(公告)号：US20220406971A1
公开(公告)日：2022-12-22
申请号：US17832045
申请日：2022-06-03
Applicant: Samsung Display Co., LTD.
Inventor： Jong Hwan CHA
Abstract: A first electrode upper layer of an electrode upper layer of a display device and a second electrode upper layer are disposed to partially expose a top surface of the first electrode base layer and a top surface of the second electrode base layer, respectively. A first insulating layer of the display device includes contact portions partially exposing a top surface of the first electrode base layer, a top surface of the second electrode base layer, and a top surface of the pad electrode upper layer.
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公开(公告)号：US20220320378A1
公开(公告)日：2022-10-06
申请号：US17535028
申请日：2021-11-24
Applicant: Samsung Display Co., LTD.
Inventor： Kwang Taek HONG , Ki Nyeng KANG , Jong Hwan CHA , Hee Keun LEE , Min Cheol CHAE , Su Min CHOI
Abstract: A display device includes an emission area and a subarea located at a side of the emission area in a first direction, a first electrode extending in the first direction across the emission area and the subarea, a second electrode spaced from the first electrode in a second direction, the second electrode extending in the first direction, a first insulating layer on the first and second electrodes, the first insulating layer including an opening in the subarea, a plurality of light-emitting elements located on the first and second electrodes in the emission area, and a second insulating layer on the first insulating layer in the subarea, wherein the first electrode includes a first electrode extension located in the subarea at a first contact hole, the opening overlaps with the first contact hole and is located above the first electrode extension, and the second insulating layer overlaps the opening.
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公开(公告)号：US20220302178A1
公开(公告)日：2022-09-22
申请号：US17694007
申请日：2022-03-14
Applicant: Samsung Display Co., LTD.
Inventor： Jong Hwan CHA , Ki Nyeng KANG , Jun Ho BAE , Hee Jung YOON , Su Min CHOI
Abstract: A display device comprises a substrate including a display area and a pad area adjacent to the display area; at least one pad electrode disposed on the substrate in the pad area and connected to the display area; and at least one dummy electrode overlapping the at least one pad electrode and not connected to the display area.
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