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公开(公告)号：US11810905B2
公开(公告)日：2023-11-07
申请号：US17250633
申请日：2019-01-03
Applicant: Samsung Display Co., Ltd.
Inventor： Hyun Min Cho , Dae Hyun Kim , Dong Uk Kim , Jung Hong Min , Seung A Lee , Hyung Rae Cha
IPC: H01L25/075 , H01L27/12 , H01L33/00 , H01L33/22 , H01L33/62
CPC classification number: H01L25/0753 , H01L27/1214 , H01L33/0093 , H01L33/22 , H01L33/62 , H01L2933/0066
Abstract: Provided are a light emitting device, a method for manufacturing same, and a display device including the light emitting device. The method for manufacturing the light emitting device comprises the steps of: preparing a lower substrate including a substrate and a buffer semiconductor layer formed on the substrate, forming an element rod by forming a separating layer disposed on the lower substrate, forming a first conductivity type semiconductor layer, an active material layer, and a second conductivity type semiconductor layer on the separating layer, and etching the first conductivity type semiconductor layer, the active material layer, the second conductivity type semiconductor layer, and the separating layer in a direction perpendicular to the lower substrate, forming a first insulating layer surrounding an outer circumferential surface of the element rod, forming a second insulating layer surrounding an outer circumferential surface of the first insulating layer and separating the element rod from the lower substrate to form a light emitting element.
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公开(公告)号：US11726618B2
公开(公告)日：2023-08-15
申请号：US17473614
申请日：2021-09-13
Applicant: Samsung Display Co., Ltd.
Inventor： Hyun Min Cho , Dae Hyun Kim , Sung Chul Kim , Hye Yong Chu , Keun Kyu Song
CPC classification number: G06F3/0421 , G06F3/042 , G06F3/0412 , G09G3/3225 , H01L33/007 , H01L33/20 , H01L33/32 , H01L33/38 , G09G2380/02
Abstract: A display device including a substrate and a plurality of pixels in a display region of the substrate. Each of the pixels includes first and second sub-pixels, and each of the first and second sub-pixels has a light emitting region for emitting light. The first sub-pixel includes a first light emitting element in the light emitting region and configured to emit visible light. The second sub-pixel includes a second light emitting element in the light emitting region and configured to emit infrared light and a light receiving element configured to receive the infrared light emitted from the second light emitting element to detect a user's touch. The second light emitting element and the light receiving element in the second sub-pixel are electrically insulated from and optically coupled to each other to form a photo-coupler.
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公开(公告)号：US11581363B2
公开(公告)日：2023-02-14
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 , H01L33/44 , H01L33/20 , H01L27/12 , H01L33/38 , H01L29/786 , H01L25/075 , H01L25/16 , H01L33/60 , H01L33/40 , H01L33/06 , H01L33/32 , H01L33/62
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：US10789890B2
公开(公告)日：2020-09-29
申请号：US16503106
申请日：2019-07-03
Applicant: Samsung Display Co., Ltd.
Inventor： Chul Kyu Kang , Sangmoo Choi , Dae Hyun Kim , Dongsun Lee
IPC: G09G3/32 , G09G3/3258 , G09G3/3275 , G09G3/3233
Abstract: A display device includes a display panel including a plurality of pixels and a panel driver that drives the display panel. Each of the pixels includes a first transistor, a second transistor, a third transistor, a fourth transistor, a fifth transistor, a sixth transistor, a seventh transistor, an eighth transistor, a first capacitor, and an emission element.
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Patent Agency Ranking
公开(公告)号：US10461123B2
公开(公告)日：2019-10-29
申请号：US15851500
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
IPC: H01L27/15 , H01L33/38 , H01L33/44 , H01L33/20 , H01L27/12 , H01L25/16 , H01L33/60 , H01L29/786 , H01L25/075 , H01L33/40 , H01L33/06 , H01L33/32 , H01L33/62
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：US10354869B2
公开(公告)日：2019-07-16
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
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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公开(公告)号：US10168587B2
公开(公告)日：2019-01-01
申请号：US15070950
申请日：2016-03-15
Applicant: Samsung Display Co., Ltd.
Inventor： Dae Hyun Kim , Jae Woong Kang , Jong Hyuk Kang , Jae Byung Park , Joo Yeol Lee , Hyun Deok Im , Hyun Min Cho , Sung Jin Hong
IPC: G02F1/1343 , G02F1/133 , G02F1/1335
Abstract: A display device comprises a first light-transmissive substrate, a second light-transmissive substrate and a solar cell disposed between the first and second light-transmissive substrates. The solar cell includes a conductive wire grid pattern layer, which is disposed between the first and second light-transmissive substrates, a transparent electrode, which is disposed between the second light-transmissive substrate and the conductive wire grid pattern layer, and at least one photoactive layer, which is disposed between the transparent electrode and the conductive wire grid pattern layer. The second light-transmissive substrate is configured to output an image therethrough.
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公开(公告)号：US10026777B2
公开(公告)日：2018-07-17
申请号：US15701455
申请日：2017-09-12
Applicant: Samsung Display Co., Ltd.
Inventor： Jong Hyuk Kang , Hyun Min Cho , Dae Hyun Kim , Joo Yeol Lee , Hyun Deok Im
CPC classification number: H01L27/15 , F21K9/68 , H01L25/0753 , H01L33/005 , H01L33/405 , H01L33/60 , H01L33/62
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：US20180175009A1
公开(公告)日：2018-06-21
申请号：US15851500
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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