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公开(公告)号：US11978821B2
公开(公告)日：2024-05-07
申请号：US17550743
申请日：2021-12-14
Applicant: LG ELECTRONICS INC.
Inventor： Byoungkwon Cho , Junghoon Kim
CPC classification number: H01L33/0016 , H01L25/0753 , H01L33/0095 , H01L33/60 , H01L2933/0058
Abstract: A semiconductor light emitting element can include an n-type semiconductor layer, a p-type semiconductor layer in a first region on the n-type semiconductor layer, a p-type electrode on the p-type semiconductor layer, an n-type electrode in a second region different from the first region on the n-type semiconductor layer, a magnetic layer under the n-type semiconductor layer, a reflective layer between the n-type semiconductor layer and the magnetic layer, and a passivation layer surrounding the n-type semiconductor layer, the p-type semiconductor layer, the p-type electrode, the n-type electrode, and the magnetic layer.
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公开(公告)号：US11411138B2
公开(公告)日：2022-08-09
申请号：US16774787
申请日：2020-01-28
Applicant: LG ELECTRONICS INC.
Inventor： Junghoon Kim , Byoungkwon Cho
Abstract: The present disclosure relates to a display device and a fabrication method thereof, and more particularly, to a display device using a semiconductor light emitting device. The display device includes a semiconductor light emitting device disposed on a substrate, and having a first conductive electrode disposed on an upper edge of the semiconductor light emitting device, and a second conductive electrode disposed on an upper central portion of the semiconductor light emitting device and surrounded by the first conductive electrode, a passivation layer disposed to cover a part of an upper surface of the semiconductor light emitting device, a first wiring electrode electrically connected to the first conductive electrode and a second wiring electrode electrically connected to the second conductive electrode.
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3.发明授权公开(公告)号：US10573626B1
公开(公告)日：2020-02-25
申请号：US16415541
申请日：2019-05-17
Applicant: LG ELECTRONICS INC.
Inventor： Junghoon Kim , Byoungkwon Cho
Abstract: The present disclosure can provide a display device, including a substrate, semiconductor light emitting devices having a first conductive electrode disposed on the substrate and formed in a ring shape on an upper edge thereof and a second conductive electrode formed on an upper central portion of the semiconductor light emitting device and surrounded by the first conductive electrode, a passivation layer formed to cover a side surface of the semiconductor light emitting device, and cover part of an upper surface of the semiconductor light emitting device, a first wiring electrode electrically connected to the first conductive electrode, and a second wiring electrode extended from an edge of the semiconductor light emitting device in a central direction of the semiconductor light emitting device to be electrically connected to the second conductive electrode, wherein part of the second wiring electrode overlaps with part of the first conductive electrode with the passivation layer interposed therebetween.
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公开(公告)号：US11658203B2
公开(公告)日：2023-05-23
申请号：US16964838
申请日：2018-01-26
Applicant: LG ELECTRONICS INC.
Inventor： Junghoon Kim
CPC classification number: H01L27/156 , H01L33/38 , H01L33/62
Abstract: Discussed is a display apparatus including a substrate having a wiring electrode; and a semiconductor light-emitting device that emits light to an upper surface thereof, has a conductive electrode electrically connected to the wiring electrode on a lower surface thereof, and has at least a side surface of which is covered by a passivation layer, wherein the conductive electrode comprises: an insulating region further covered by the passivation layer, and a concave-convex region exposed by the passivation layer and electrically connected to the wiring electrode, a surface of the concave-convex portion being formed with concavity and convexity.
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公开(公告)号：US11374150B2
公开(公告)日：2022-06-28
申请号：US16858167
申请日：2020-04-24
Applicant: LG ELECTRONICS INC.
Inventor： Junghoon Kim , Hyunwoo Cho , Mihee Heo
IPC: H01L33/00 , H01L25/075 , H01L33/62
Abstract: A display device can include a plurality of semiconductor light emitting diodes; first and second wiring electrodes respectively extending from the plurality of semiconductor light emitting diodes to supply an electrical signal to the plurality of semiconductor light emitting diodes; a plurality of pair electrodes disposed on a substrate and having a first electrode and a second electrode that generate an electric field when a current is supplied thereto; a dielectric layer disposed to cover the plurality of pair electrodes; and a covalent bond layer disposed between the dielectric layer and the plurality of semiconductor light emitting diodes, and forming a covalent bond with the dielectric layer and each of the plurality of semiconductor light emitting diodes, wherein the first wiring electrode and the second wiring electrode are located at opposite sides of the plurality of pair electrodes based on the plurality of semiconductor light emitting diodes.
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Patent Agency Ranking
6.发明授权公开(公告)号：US10707377B2
公开(公告)日：2020-07-07
申请号：US16415583
申请日：2019-05-17
Applicant: LG ELECTRONICS INC.
Inventor： Junghoon Kim , Changseo Park , Bongchu Shim , Byoungkwon Cho , Hyunwoo Cho
Abstract: The present disclosure relates a display device including a semiconductor light emitting device, and a substrate having a receiving groove in which the semiconductor light emitting device is accommodated, wherein the semiconductor light emitting device includes a first conductive semiconductor layer, a second conductive semiconductor layer disposed at an upper portion of the first conductive semiconductor layer, a first conductive electrode disposed on the first conductive semiconductor layer, and a second conductive electrode disposed on the second conductive semiconductor layer, and spaced apart from the first conductive electrode along a horizontal direction, wherein when the semiconductor light emitting device is assembled into the receiving groove, the first conductive semiconductor layer has an asymmetrical shape with respect to at least one direction so that the first conductive electrode and the second conductive electrode are arranged at preset positions.
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公开(公告)号：US09611860B2
公开(公告)日：2017-04-04
申请号：US13998514
申请日：2013-11-07
Applicant: LG ELECTRONICS INC.
Inventor： Sangyuk Son , Junghoon Kim , Minu Son
CPC classification number: F04D29/281 , F04D29/282 , F04D29/30
Abstract: A centrifugal fan and an air conditioner using the same are provided. A gurney flap having a rectangular plate or a S-shaped, twisted gurney flap may be formed in a tip of a blade provided in or on a hub of the centrifugal fan, so that noise may be effectively reduced, and efficiency increased. Further, the blade with the gurney flap may be easily formed integrally with the hub, enhancing productivity.
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公开(公告)号：US11715812B2
公开(公告)日：2023-08-01
申请号：US17832221
申请日：2022-06-03
Applicant: LG ELECTRONICS INC.
Inventor： Junghoon Kim , Hyunwoo Cho , Mihee Heo
IPC: H01L33/00 , H01L25/075 , H01L33/62
CPC classification number: H01L33/0095 , H01L25/0753 , H01L33/62 , H01L2933/0016 , H01L2933/0066
Abstract: A display device includes a plurality of semiconductor light emitting diodes, first and second electrodes respectively extending from the plurality of semiconductor light emitting diodes to supply an electrical signal to the plurality of semiconductor light emitting diodes, a plurality of pair electrodes disposed on a substrate and having a first electrode and a second electrode, a dielectric layer disposed on the plurality of pair electrodes, and a chemical bond layer disposed between the dielectric layer and the plurality of semiconductor light emitting diodes and forming a covalent bond with the dielectric layer and each of the plurality of semiconductor light emitting diodes. The chemical bond layer bonds the semiconductor light emitting diodes to the dielectric layer when a voltage applied to the plurality of pair electrodes is cut off after the plurality of semiconductor light emitting diodes are assembled on the dielectric layer.
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公开(公告)号：US11437352B2
公开(公告)日：2022-09-06
申请号：US17254656
申请日：2018-07-05
Applicant: LG ELECTRONICS INC.
Inventor： Junghoon Kim , Dohee Kim
IPC: H01L25/075 , H01L33/00 , H01L21/683 , H01L33/62
Abstract: Discussed are a display device, and a method of manufacturing the display device. The display device includes a substrate having a plurality of metal pads, and a semiconductor light-emitting element electrically connected to the plurality of metal pads through self-assembly. Specifically, each metal pad includes a bonding metal electrically connected to a conductive electrode of a respective semiconductor light-emitting element, and a coating layer encompassing the bonding metal.
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10.发明授权公开(公告)号：US10971654B2
公开(公告)日：2021-04-06
申请号：US16894262
申请日：2020-06-05
Applicant: LG ELECTRONICS INC.
Inventor： Junghoon Kim , Changseo Park , Bongchu Shim , Byoungkwon Cho , Hyunwoo Cho
Abstract: Discussed is a display device, including a semiconductor light emitting device and a substrate having a receiving groove in which the semiconductor light emitting device is accommodated, wherein the semiconductor light emitting device includes a first conductive semiconductor layer, a second conductive semiconductor layer disposed on an upper portion of the first conductive semiconductor layer, a first conductive electrode disposed on the first conductive semiconductor layer and a second conductive electrode disposed on the second conductive semiconductor layer, and spaced apart from the first conductive electrode along a horizontal direction of the semiconductor light emitting device, wherein the first conductive semiconductor layer has a symmetrical shape with respect to at least one direction of the semiconductor light emitting device so that the first conductive electrode and the second conductive electrode are arranged at preset positions when the semiconductor light emitting device is accommodated into the receiving groove.
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