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公开(公告)号：US11942567B2
公开(公告)日：2024-03-26
申请号：US17377266
申请日：2021-07-15
Applicant: Samsung Display Co. Ltd.
Inventor： Jung Hong Min , Dae Hyun Kim , Hyun Min Cho , Jong Hyuk Kang , Dong Uk Kim , Seung A Lee , Hyun Deok Im , Hyung Rae Cha
CPC classification number: H01L33/0093 , H01L33/0066 , H01L33/30
Abstract: Provided is a method of manufacturing a light-emitting element, the method including positioning a substrate, forming a first separation layer, which includes a first sacrificial layer, an etching control layer on the first sacrificial layer, and a second sacrificial layer on the etching control layer, on the substrate, forming at least one first light-emitting element on the first separation layer, and separating the first light-emitting element from the substrate.
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公开(公告)号：US11830966B2
公开(公告)日：2023-11-28
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
IPC: H01L33/52 , H01L25/075 , H01L33/38 , H01L33/48 , H01L33/56 , H01L33/58 , H01L25/16 , H01L27/12 , H01L33/20 , H01L33/32 , H01L33/54 , H01L33/62
CPC classification number: H01L33/52 , H01L25/0753 , H01L33/382 , H01L33/385 , H01L33/387 , H01L33/48 , H01L33/483 , H01L33/486 , H01L33/56 , H01L33/58 , H01L25/167 , H01L27/1214 , H01L33/20 , H01L33/32 , H01L33/54 , H01L33/62 , H01L2933/005 , H01L2933/0033 , H01L2933/0091
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：US11610934B2
公开(公告)日：2023-03-21
申请号：US17395999
申请日：2021-08-06
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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34.发明授权公开(公告)号：US11430912B2
公开(公告)日：2022-08-30
申请号：US17110574
申请日：2020-12-03
Applicant: SAMSUNG DISPLAY CO., LTD.
Inventor： Jung Hong Min , Dae Hyun Kim , Seung A Lee , Hyun Min Cho , Jong Hyuk Kang , Dong Uk Kim , Hyun Deok Im , Hyung Rae Cha
IPC: H01L33/00 , H01L27/15 , H01L33/32 , H01L21/302
Abstract: A light emitting element, a method of manufacturing a light emitting element, and a display device including a light emitting element are provided. A method of manufacturing a light emitting element includes: preparing a lower panel including a substrate and a first sub conductive semiconductor layer on the substrate; forming a first mask layer including at least one mask pattern on at least a part of the lower panel to be spaced apart from each other and an opening region in which the mask patterns are spaced apart from each other; laminating a first conductive semiconductor layer, an active material layer, and a second conductive semiconductor layer on the first mask layer to form an element laminate; etching the element laminate in a vertical direction to form an element rod; and removing the mask pattern to separate the element rod from the lower panel.
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公开(公告)号：US11074858B2
公开(公告)日：2021-07-27
申请号：US16214786
申请日：2018-12-10
Applicant: Samsung Display Co., Ltd.
Inventor： Hyun Min Cho , Sung Chul Kim , Dae Hyun Kim , Hye Yong Chu , Jong Hyuk Kang , Keun Kyu Song , Joo Yeol Lee , Bek Hyun Lim , Hyun Deok Im
IPC: G09G3/3233 , H01L33/20 , H01L33/00 , H01L33/44 , H01L33/52 , H01L33/38 , H01L25/075 , H01L25/16 , H05B45/40 , H01L33/62
Abstract: A display device includes: a substrate; a display element layer on one surface of the substrate and including at least one light emitting element emitting light; and a pixel circuit portion on the display element layer and including at least one transistor electrically connected to the light emitting element, wherein the display element layer includes: a first electrode on the substrate and electrically connected to one end of the light emitting element; a second electrode on the substrate and electrically connected to the other end of the light emitting element; and an insulation layer on the substrate including the second electrode, and having a first opening exposing a portion of the second electrode, and wherein the second electrode is electrically connected to the transistor through the first opening.
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Patent Agency Ranking
公开(公告)号：US20200058701A1
公开(公告)日：2020-02-20
申请号：US16665818
申请日：2019-10-28
Applicant: Samsung Display Co., Ltd.
Inventor： Dae Hyun Kim , Jong Hyuk Kang , Joo Yeol Lee , Hyun Deok Im , Hyun Min Cho
IPC: H01L27/15 , H01L33/60 , H01L33/38 , H01L27/12 , H01L25/16 , H01L33/20 , H01L33/44 , H01L25/075 , H01L29/786
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：US10367123B2
公开(公告)日：2019-07-30
申请号：US15813807
申请日：2017-11-15
Applicant: Samsung Display Co., Ltd.
Inventor： Hyun Deok Im , Jong Hyuk Kang , Dae Hyun Kim , Joo Yeol Lee , Hyun Min Cho
IPC: H01L33/52 , H01L33/56 , H01L33/48 , H01L25/075 , H01L33/58 , 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：US10211418B2
公开(公告)日：2019-02-19
申请号：US15650083
申请日：2017-07-14
Applicant: SAMSUNG DISPLAY CO., LTD.
Inventor： Hyun Deok Im , Jong Hyuk Kang , Dae Hyun Kim , Joo Yeol Lee , Chi O Cho , Hyun Min Cho
IPC: H01L29/06 , H01L51/50 , H01L51/05 , H01L51/52 , H01L25/075 , H01L27/32 , H01L33/62 , F21Y107/00
Abstract: A light emitting device includes a plurality of unit light emitting regions on a substrate. At least one of the unit light emitting regions includes at least one pair of first and second electrodes that are spaced apart, at least one first bar-type LED in a first layer on the substrate, and at least one second bar-type LED in a second layer on the substrate. At least one of the first bar-type LED or the second bar-type LED is electrically connected between the first electrode and the second electrode.
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公开(公告)号：US20180175106A1
公开(公告)日：2018-06-21
申请号：US15851305
申请日：2017-12-21
Applicant: Samsung Display Co., Ltd.
Inventor： Dae Hyun Kim , Jong Hyuk Kang , Joo Yeol Lee , Hyun Deok Im , Hyun Min Cho
CPC classification number: H01L27/156 , H01L25/0753 , H01L25/167 , H01L27/124 , H01L27/1255 , H01L29/78633 , H01L33/06 , H01L33/20 , H01L33/32 , H01L33/385 , H01L33/387 , H01L33/405 , H01L33/44 , H01L33/60 , 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：US20180102249A1
公开(公告)日：2018-04-12
申请号：US15730376
申请日：2017-10-11
Inventor： Dae Hyun Kim , Jong Hyuk Kang , Hyun Deok Im , Hyun Min Cho , Yongju Kwon , Bomi Kim , Sung-Jee Kim , Mihye Lim
IPC: H01L21/02
CPC classification number: H01L21/02601 , B82Y30/00 , B82Y40/00 , H01L21/02392 , H01L21/02543 , H01L21/02603 , H01L21/02628 , H01L21/02636 , H01L21/02667
Abstract: A method of manufacturing a nanostructure includes: heating a mixed solution to a first temperature, the mixed solution including a solvent, a compound including indium, and an octadecylphosphonic acid; heating the mixed solution to a second temperature; injecting, after heating the mixed solution to the second temperature, a phosphine precursor into the mixed solution; and heating the mixed solution including the injected phosphine precursor to a third temperature.
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