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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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公开(公告)号：US12183225B2
公开(公告)日：2024-12-31
申请号：US17291008
申请日：2019-02-01
Applicant: Samsung Display Co., Ltd.
Inventor： Cha-dong Kim , Youngdae Kim , Hyunae Kim , Chongsup Chang , Eui-kang Heo
IPC: G09G3/00 , G09G3/3233 , G09G3/3291 , H01L29/786
Abstract: A display apparatus includes a base substrate including a display region in which an image is displayed and a peripheral region that is a non-display region adjacent to the display region, a plurality of pixels disposed on the base substrate in the display region, each of the pixels including a thin film transistor that includes an oxide semiconductor pattern, a data driver disposed in the peripheral region and configured to provide a data voltage to the pixels, and a plurality of test patterns disposed on the base substrate in the peripheral region, each of the test patterns including a test thin film transistor that includes a test oxide semiconductor pattern.
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Patent Agency Ranking
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：US10483337B2
公开(公告)日：2019-11-19
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
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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公开(公告)号：US11171125B2
公开(公告)日：2021-11-09
申请号：US16579786
申请日：2019-09-23
Applicant: Samsung Display Co., Ltd.
Inventor： Euikang Heo , Cha-Dong Kim , Hyunae Kim , Chongsup Chang
IPC: H01L21/00 , H01L31/111 , 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：US10930629B2
公开(公告)日：2021-02-23
申请号：US16519433
申请日：2019-07-23
Applicant: Samsung Display Co., Ltd.
Inventor： Chongsup Chang , Bumsoo Kam , Hyunae Kim , Euikang Heo
IPC: G02F1/1343 , G02F1/1333 , 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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公开(公告)号：US20200161280A1
公开(公告)日：2020-05-21
申请号：US16579786
申请日：2019-09-23
Applicant: Samsung Display Co., Ltd.
Inventor： Euikang Heo , Cha-Dong Kim , Hyunae Kim , Chongsup Chang
IPC: H01L25/075 , H01L27/12 , H01L33/62
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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