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公开(公告)号：US11837583B2
公开(公告)日：2023-12-05
申请号：US17520153
申请日：2021-11-05
Applicant: Samsung Display Co., Ltd.
Inventor： Euikang Heo , Cha-Dong Kim , Hyunae Kim , Chongsup Chang
IPC: H01L25/075 , H01L33/62 , H01L27/12
CPC classification number: H01L25/0753 , H01L27/1214 , H01L33/62 , H01L2223/6633 , H01L2933/0066
Abstract: A display device including a pixel circuit, an insulation layer covering the pixel circuit, an etching prevention layer disposed on the insulation layer, a first guide layer, a second guide layer, a first electrode, a second electrode, and a light emitting element. The first guide layer and the second guide layer may be disposed on the etching prevention layer and spaced apart from each other. The first electrode may be disposed on the first guide layer and electrically connected to the pixel circuit. The second electrode may be disposed on the first guide layer and insulated from the first electrode. The light emitting element may be in contact with the top surface of the etching prevention layer, disposed between the first guide layer and the second guide layer on a plane, and electrically connected to the first electrode and the second electrode.
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公开(公告)号：US11637094B2
公开(公告)日：2023-04-25
申请号：US17389283
申请日：2021-07-29
Applicant: SAMSUNG DISPLAY CO., LTD.
Inventor： Euikang Heo , Cha-dong Kim , Hyunae Kim , Chongsup Chang
Abstract: A display device includes a pixel circuit, a first insulating layer covering the pixel circuit, a first electrode disposed on the first insulating layer, a second electrode disposed on the first insulating layer and spaced apart from the first electrode in a first direction, and a light emitting element electrically connected to the first electrode and the second electrode and disposed between the first electrode and the second electrode. A recess is provided in a first region of the first insulating layer between the first electrode and the second electrode when viewed in a plan view, and a width of the recess in the first direction is greater than a length of the light emitting element in the first direction. The first electrode and the second electrode do not overlap the recess when viewed in a plan view.
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公开(公告)号：US11088126B2
公开(公告)日：2021-08-10
申请号：US16447403
申请日：2019-06-20
Applicant: Samsung Display Co., Ltd.
Inventor： Euikang Heo , Cha-dong Kim , Hyunae Kim , Chongsup Chang
Abstract: A display device includes a pixel circuit, a first insulating layer covering the pixel circuit, a first electrode disposed on the first insulating layer, a second electrode disposed on the first insulating layer and spaced apart from the first electrode in a first direction, and a light emitting element electrically connected to the first electrode and the second electrode and disposed between the first electrode and the second electrode. A recess is provided in a first region of the first insulating layer between the first electrode and the second electrode when viewed in a plan view, and a width of the recess in the first direction is greater than a length of the light emitting element in the first direction. The first electrode and the second electrode do not overlap the recess when viewed in a plan view.
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公开(公告)号：US11705540B2
公开(公告)日：2023-07-18
申请号：US18046764
申请日：2022-10-14
Applicant: SAMSUNG DISPLAY CO., LTD.
Inventor： Chongsup Chang , Youngdae Kim , Hyunae Kim , Euikang Heo
CPC classification number: H01L33/38 , H01L27/156 , H01L33/62 , H01L27/1251 , H01L2933/0016 , H01L2933/0066
Abstract: A display device includes a substrate, a first electrode disposed on the substrate, a second electrode disposed on the substrate and spaced apart from the first electrode, a plurality of first protruding electrodes disposed on the first electrode, a plurality of second protruding electrodes disposed on the second electrode, and a plurality of light emitting elements electrically connected to the plurality of first protruding electrodes and the plurality of second protruding electrodes.
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公开(公告)号：US11195824B2
公开(公告)日：2021-12-07
申请号：US17156454
申请日：2021-01-22
Applicant: SAMSUNG DISPLAY CO., LTD.
Inventor： Chongsup Chang , Bumsoo Kam , Hyunae Kim , Euikang Heo
IPC: G02F1/1333 , G02F1/1343 , H01L25/16 , H01L33/42 , H01L33/40 , H01L31/0352 , H01L33/06 , H01L33/26 , H01L33/18
Abstract: Provided is a pixel. The pixel includes a substrate, a first electrode disposed on the substrate, a partition wall insulation layer disposed on the substrate to cover a first portion of the first electrode, a second electrode disposed on the partition wall insulation layer and including a second portion overlapping the first portion, and a light emitting element disposed on a first side surface of the partition wall insulation layer between the first portion and the second portion and connected to the first electrode and the second electrode.
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Patent Agency Ranking
公开(公告)号：US10664083B2
公开(公告)日：2020-05-26
申请号：US16183157
申请日：2018-11-07
Applicant: SAMSUNG DISPLAY CO., LTD.
Inventor： Yonghwan Ryu , Youngdae Kim , Heena Kim , Sangjin Park , Taehyeok Choi , Euikang Heo
Abstract: A display apparatus includes an encapsulation layer, a display device, a touch layer, and an organic insulating layer. The encapsulation layer is on and covers the display device. The touch layer is above the encapsulation layer and includes a plurality of sensing electrodes, each of which includes a conductive layer having a first metal layer, a second metal layer above the first metal layer, and a third metal layer between the first metal layer and the second metal layer and exposed side surfaces. The organic insulating layer is above and covers the touch layer and is spaced apart from the side surfaces of the third metal layer.
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公开(公告)号：US20240130201A1
公开(公告)日：2024-04-18
申请号：US18487843
申请日：2023-10-16
Applicant: Samsung Display Co., Ltd.
Inventor： Euikang Heo
CPC classification number: H10K59/874 , H10K71/60
Abstract: A method of manufacturing a display apparatus is provided, the method including cleaning a surface of a substrate with an etchant containing fluorine (F) or a chemical solution of hydrofluoric acid (HF), and forming a bottom metal layer on the surface of the substrate, the bottom metal layer including a first layer and a second layer on the first layer, wherein a surface roughness of the substrate after cleaning is greater than a surface roughness of the substrate before cleaning.
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公开(公告)号：US11705481B2
公开(公告)日：2023-07-18
申请号：US17826107
申请日：2022-05-26
Applicant: SAMSUNG DISPLAY CO., LTD.
Inventor： Hyunae Kim , Youngdae Kim , Cha-dong Kim , Chongsup Chang , Euikang Heo
CPC classification number: H01L27/156 , H01L27/124 , H01L27/1248 , H01L33/62 , H01L27/1255 , H01L27/1259 , H01L2933/0066
Abstract: Provided is a display device including a substrate, a first electrode disposed on the substrate, a second electrode disposed on the substrate and spaced apart from the first electrode, a plurality of first sub-insulating layers extending in a first direction, disposed on the substrate and on the first and second electrodes, and arranged in a second direction crossing the first direction, and a plurality of light emitting elements disposed between the first sub-insulating layers and electrically connected to the first electrode and the second electrode.
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公开(公告)号：US11476392B2
公开(公告)日：2022-10-18
申请号：US16543285
申请日：2019-08-16
Applicant: Samsung Display Co., Ltd.
Inventor： Chongsup Chang , Youngdae Kim , Hyunae Kim , Euikang Heo
Abstract: A display device includes a substrate, a first electrode disposed on the substrate, a second electrode disposed on the substrate and spaced apart from the first electrode, a plurality of first protruding electrodes disposed on the first electrode, a plurality of second protruding electrodes disposed on the second electrode, and a plurality of light emitting elements electrically connected to the plurality of first protruding electrodes and the plurality of second protruding electrodes.
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公开(公告)号：US11348966B2
公开(公告)日：2022-05-31
申请号：US16576705
申请日：2019-09-19
Applicant: Samsung Display Co., Ltd.
Inventor： Hyunae Kim , Youngdae Kim , Cha-dong Kim , Chongsup Chang , Euikang Heo
Abstract: Provided is a display device including a substrate, a first electrode disposed on the substrate, a second electrode disposed on the substrate and spaced apart from the first electrode, a plurality of first sub-insulating layers extending in a first direction, disposed on the substrate and on the first and second electrodes, and arranged in a second direction crossing the first direction, and a plurality of light emitting elements disposed between the first sub-insulating layers and electrically connected to the first electrode and the second electrode.
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