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公开(公告)号：US12119372B2
公开(公告)日：2024-10-15
申请号：US18166985
申请日：2023-02-09
Applicant: Samsung Display Co., LTD.
Inventor： Dae Hyun Kim , Jong Hyuk Kang , Joo Yeol Lee , Hyun Deok Im , Hyun Min Cho
IPC: H01L33/38 , H01L25/075 , H01L25/16 , H01L27/12 , H01L27/15 , H01L29/786 , H01L33/20 , H01L33/44 , H01L33/60 , H01L33/06 , H01L33/32 , H01L33/40 , H01L33/62
CPC classification number: H01L27/156 , H01L25/0753 , H01L25/167 , H01L27/124 , H01L27/1255 , H01L29/78633 , H01L33/20 , H01L33/385 , H01L33/387 , H01L33/44 , H01L33/60 , H01L33/06 , H01L33/32 , H01L33/405 , H01L33/62 , H01L2933/0016 , H01L2933/0058 , H01L2933/0066
Abstract: A light emitting device, includes: a substrate; a light emitting element on the substrate, the light emitting element having a first end portion and a second end portion arranged in a longitudinal direction; one or more partition walls disposed on the substrate, the one or more partition walls being spaced apart from the light emitting element; a first reflection electrode adjacent the first end portion of the light emitting element; a second reflection electrode adjacent the second end portion of the light emitting element; a first contact electrode connected to the first reflection electrode and the first end portion of the light emitting element; an insulating layer on the first contact electrode, the insulating layer having an opening exposing the second end portion of the light emitting element and the second reflection electrode to the outside; and a second contact electrode on the insulating layer.
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公开(公告)号：US12034097B2
公开(公告)日：2024-07-09
申请号：US17315855
申请日：2021-05-10
Applicant: Samsung Display Co., Ltd.
Inventor： Dae Hyun Kim , Jong Hyuk Kang , Joo Yeol Lee , Hyun Deok Im , Chi O Cho , Hyun Min Cho
IPC: H01L33/24 , G09G3/32 , H01L25/075 , H01L27/12 , H01L27/15 , H01L33/00 , H01L33/16 , H01L33/32 , H01L33/38 , H01L33/44
CPC classification number: H01L33/24 , H01L27/156 , H01L33/007 , H01L33/0075 , H01L33/16 , H01L33/325 , H01L33/38 , H01L33/44 , G09G3/32 , G09G2300/0452 , G09G2310/0278 , H01L25/0753 , H01L27/1214 , H01L2224/95085 , H01L2933/0016 , H01L2933/0025
Abstract: A light emitting device including first and second electrodes spaced apart from each other on a substrate, at least one bar-type LED having a first end on the first electrode and a second end on the second electrode, and an insulative support body between the substrate and the bar-type LED. The at least one bar-type LED has a length greater than a width.
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公开(公告)号：US11867612B2
公开(公告)日：2024-01-09
申请号：US17205487
申请日：2021-03-18
Applicant: Samsung Display Co., LTD.
Inventor： Je Won Yoo , Basrur Veidhes , Dae Hyun Kim , Hyun Min Cho , Jong Won Lee , Joo Yeol Lee
CPC classification number: G01N21/255 , G01N21/1717 , G01R31/2635 , G01R31/2656 , G02B21/06 , G02B21/26 , G02B21/361 , G01N2021/1721
Abstract: An optical inspection apparatus includes a stage that supports a target substrate, the target substrate including a plurality of light emitting elements, a jig that applies an electrical signal to the target substrate, the jig including a regulation resistor, a microscope that generates magnified image data of the target substrate, a camera that captures the magnified image data to generate a color image of the target substrate, and an optical measurement unit that captures the magnified image data of the target substrate to generate a spectrum image and measure optical characteristics of the target substrate.
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公开(公告)号：US11367823B2
公开(公告)日：2022-06-21
申请号：US17049950
申请日：2018-09-27
Applicant: Samsung Display Co., Ltd.
Inventor： Dae Hyun Kim , Hyun Min Cho , Hyun Deok Im , Jong Hyuk Kang , Keun Kyu Song , Joo Yeol Lee , Bek Hyun Lim , Sung-Chan Jo
Abstract: A light emitting device may include: a substrate including a plurality of unit light emitting regions; and first to fourth insulating layers sequentially on the substrate. Each of the unit light emitting regions may include: at least one light emitting element on the first insulating layer, the at least one light emitting element including a first end portion and a second end portion in a length direction thereof; first and second banks on the substrate; a first electrode on the first bank and a second electrode on the second bank; a first contact electrode on the first electrode; a second contact electrode on the second electrode; and a conductive pattern provided between the first insulating layer and the first contact electrode, the conductive pattern surrounding the first and second electrodes when viewed on a plane.
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公开(公告)号：US11005009B2
公开(公告)日：2021-05-11
申请号：US16456821
申请日：2019-06-28
Applicant: Samsung Display Co., Ltd.
Inventor： Dae Hyun Kim , Jong Hyuk Kang , Joo Yeol Lee , Hyun Deok Im , Chi O Cho , Hyun Min Cho
IPC: H01L33/24 , H01L33/00 , H01L33/16 , H01L27/15 , H01L33/32 , H01L33/38 , H01L33/44 , H01L25/075 , G09G3/32 , H01L27/12
Abstract: A light emitting device including first and second electrodes spaced apart from each other on a substrate, at least one bar-type LED having a first end on the first electrode and a second end on the second electrode, and an insulative support body between the substrate and the bar-type LED. The at least one bar-type LED has a length greater than a width.
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Patent Agency Ranking
公开(公告)号：US20210193885A1
公开(公告)日：2021-06-24
申请号：US17195428
申请日：2021-03-08
Applicant: Samsung Display Co., Ltd.
Inventor： Hyun Deok Im , Jong Hyuk Kang , Dae Hyun Kim , Joo Yeol Lee , Hyun Min Cho
Abstract: A light emitting device includes: a base substrate; a plurality of unit regions provided on the base substrate; a barrier disposed at a boundary of the unit regions to surround each of the unit regions; a dam disposed in each of the unit regions to be spaced apart from the barrier; a first electrode provided in each of unit light emitting regions surrounded by the dam; a second electrode disposed in each of the unit light emitting regions, the second electrode of which at least one region is provided opposite to the first electrode; and one or more LEDs provided in each of the unit light emitting regions, the one or more LEDs being electrically connected between the first electrode and the second electrode.
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公开(公告)号：US10944029B2
公开(公告)日：2021-03-09
申请号：US16805880
申请日：2020-03-02
Applicant: Samsung Display Co., Ltd.
Inventor： Hyun Deok Im , Jong Hyuk Kang , Dae Hyun Kim , Joo Yeol Lee , Hyun Min Cho
IPC: H01L33/52 , H01L33/38 , H01L33/48 , H01L33/56 , H01L33/58 , H01L25/075 , H01L25/16 , H01L27/12 , H01L33/20 , H01L33/32 , H01L33/54 , H01L33/62
Abstract: A light emitting device includes: a base substrate; a plurality of unit regions provided on the base substrate; a barrier disposed at a boundary of the unit regions to surround each of the unit regions; a dam disposed in each of the unit regions to be spaced apart from the barrier; a first electrode provided in each of unit light emitting regions surrounded by the dam; a second electrode disposed in each of the unit light emitting regions, the second electrode of which at least one region is provided opposite to the first electrode; and one or more LEDs provided in each of the unit light emitting regions, the one or more LEDs being electrically connected between the first electrode and the second electrode.
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公开(公告)号：US20190326474A1
公开(公告)日：2019-10-24
申请号：US16456821
申请日：2019-06-28
Applicant: Samsung Display Co., Ltd.
Inventor： Dae Hyun KIM , Jong Hyuk Kang , Joo Yeol Lee , Hyun Deok Im , Chi O Cho , Hyun Min Cho
Abstract: A light emitting device including first and second electrodes spaced apart from each other on a substrate, at least one bar-type LED having a first end on the first electrode and a second end on the second electrode, and an insulative support body between the substrate and the bar-type LED. The at least one bar-type LED has a length greater than a width.
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公开(公告)号：US10269865B2
公开(公告)日：2019-04-23
申请号：US16018054
申请日：2018-06-26
Applicant: Samsung Display Co., Ltd.
Inventor： Jong Hyuk Kang , Hyun Min Cho , Dae Hyun Kim , Joo Yeol Lee , Hyun Deok Im
Abstract: A light-emitting device includes: a substrate; a unit light-emitting area disposed on the substrate; first and second electrodes disposed in the unit light-emitting area to be separated from each other; a plurality of rod-shaped LEDs disposed between the first and second electrodes; a reflective contact electrode disposed on opposite ends of the rod-shaped LEDs to electrically connect the rod-shaped LEDs to the first and second electrodes; and a light-transmitting structure disposed between the first and second electrodes and extending to cross the rod-shaped LEDs.
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公开(公告)号：US12283604B2
公开(公告)日：2025-04-22
申请号：US18123429
申请日：2023-03-20
Applicant: Samsung Display Co., Ltd.
Inventor： Jong Hyuk Kang , Hyun Min Cho , Dae Hyun Kim , Joo Yeol Lee , Hyun Deok Im
Abstract: A light-emitting device includes: a substrate; a unit light-emitting area disposed on the substrate; first and second electrodes disposed in the unit light-emitting area to be separated from each other; a plurality of rod-shaped LEDs disposed between the first and second electrodes; a reflective contact electrode disposed on opposite ends of the rod-shaped LEDs to electrically connect the rod-shaped LEDs to the first and second electrodes; and a light-transmitting structure disposed between the first and second electrodes and extending to cross the rod-shaped LEDs.
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