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公开(公告)号：US20210358898A1
公开(公告)日：2021-11-18
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：US20200051962A1
公开(公告)日：2020-02-13
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：US20220285432A1
公开(公告)日：2022-09-08
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
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：US20190019983A1
公开(公告)日：2019-01-17
申请号：US15866320
申请日：2018-01-09
Applicant: Samsung Display Co., Ltd.
Inventor： Cha-dong KIM , Bumsoo KAM , Hyunae KIM , Cheolho PARK
Abstract: A display device may include an organic light emitting device and an encapsulation structure provided on the organic light emitting device to seal the organic light emitting device. The encapsulation structure may include a first inorganic encapsulation layer provided on the organic light emitting device, an organic encapsulation layer provided on the first inorganic encapsulation layer, and a second inorganic encapsulation layer provided on the organic encapsulation layer. The first inorganic encapsulation layer may include a first inorganic layer provided on the organic light emitting device and a first plasma-treated layer provided on the first inorganic layer. The first plasma-treated layer may include an upper portion, in which a rugged structure is defined.
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公开(公告)号：US20230065735A1
公开(公告)日：2023-03-02
申请号：US18046764
申请日：2022-10-14
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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Patent Agency Ranking
公开(公告)号：US20210143140A1
公开(公告)日：2021-05-13
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: H01L25/16 , H01L33/42 , H01L33/40 , H01L31/0352 , H01L33/06
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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公开(公告)号：US20200168662A1
公开(公告)日：2020-05-28
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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公开(公告)号：US20220059513A1
公开(公告)日：2022-02-24
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
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：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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