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.

公开(公告)号：US11004994B2

公开(公告)日：2021-05-11

申请号：US15154532

申请日：2016-05-13

Applicant: LG ELECTRONICS INC.

Inventor： Indo Chung ,  Juhong Yang ,  Eunjoo Lee ,  Mihee Heo

IPC: H01L31/02 ,  H01L31/0216 ,  H01L31/0224 ,  H01L31/0236 ,  H01L31/0747 ,  H01L31/049 ,  H01L31/18

Abstract: Disclosed is a solar cell including a semiconductor substrate, a conductive area including a first conductive area and a second conductive area formed on one surface of the semiconductor substrate, a passivation film formed on the conductive area, the passivation film having a contact hole, a protective film formed on the conductive area inside the contact hole, the protective film being formed on at least one of at least a portion of an inner side surface of the contact hole and the passivation film, and an electrode electrically connected to the conductive area through the contact hole with the protective film interposed therebetween.

公开(公告)号：US10777694B2

公开(公告)日：2020-09-15

申请号：US16502812

申请日：2019-07-03

Applicant: LG ELECTRONICS INC.

Inventor： Indo Chung ,  Juhong Yang ,  Eunjoo Lee ,  Mihee Heo

IPC: H01L31/0224 ,  H01L31/068 ,  H01L31/0745 ,  H01L31/0747 ,  H01L31/18 ,  H01L31/0216

Abstract: A solar cell can include a semiconductor substrate; a tunneling layer formed over the semiconductor substrate; a conductive area located over the tunneling layer, the conductive area including a first conductive area of a first conductive type and a second conductive area of a second conductive type; and an electrode including a first electrode connected to the first conductive area and a second electrode connected to the second conductive area, wherein a mark is located in at least one of the first conductive area and the second conductive area, and has a different shape from that of a crystal plane of the semiconductor substrate and the conductive area, and wherein the mark is formed along a longitudinally extending edge of at least one of the first conductive area and the second conductive area.

公开(公告)号：US10686087B2

公开(公告)日：2020-06-16

申请号：US15600042

申请日：2017-05-19

Applicant: LG ELECTRONICS INC.

Inventor： Chungyi Kim ,  Youngsung Yang ,  Jaewoo Choi ,  Mihee Heo

IPC: H01L31/0368 ,  H01L31/0745 ,  H01L31/18 ,  H01L31/068 ,  H01L31/0747 ,  H01L31/0216

Abstract: Disclosed is a solar cell including a control passivation film on one surface of a semiconductor substrate, and being formed of a dielectric material; and a semiconductor layer on the control passivation film, wherein the semiconductor layer including a first conductive region having a first conductive type and a second conductive region having a second conductive type opposite to the first conductive type. The semiconductor substrate includes a diffusion region including at least one of a first diffusion region and a second diffusion region adjacent to the control passivation film, wherein the first diffusion region being locally formed to correspond to the first conductive region and having a doping concentration lower than a doping concentration of the first conductive region, wherein the second diffusion region being locally formed to correspond to the second conductive region and having a doping concentration lower than a doping concentration of the second conductive region.

公开(公告)号：US10388804B2

公开(公告)日：2019-08-20

申请号：US15166593

申请日：2016-05-27

Applicant: LG ELECTRONICS INC.

Inventor： Indo Chung ,  Juhong Yang ,  Eunjoo Lee ,  Mihee Heo

IPC: H01L31/18 ,  H01L31/068 ,  H01L31/0216 ,  H01L31/0224 ,  H01L31/0745 ,  H01L31/0747

Abstract: Disclosed is a method of manufacturing a solar cell, the method including forming a tunneling layer over one surface of a semiconductor substrate, forming a semiconductor layer over the tunneling layer, forming a conductive area including a first conductive area of a first conductive type and a second conductive area of a second conductive type in the semiconductor layer, and forming an electrode including a first electrode connected to the first conductive area and a second electrode connected to the second conductive area. The forming of the conductive area includes forming a mask layer over the semiconductor layer, forming a doping opening corresponding to at least one of the first conductive area and the second conductive area in the mask layer using a laser, and performing doping using the doping opening.

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.

公开(公告)号：US11004988B2

公开(公告)日：2021-05-11

申请号：US14221111

申请日：2014-03-20

Applicant: LG Electronics Inc.

Inventor： Jeongbeom Nam ,  Mihee Heo ,  Eunjoo Lee ,  Ilhyoung Jung

IPC: H01L31/0224 ,  H01L31/18 ,  H01L31/068

Abstract: A solar cell includes a substrate of a first conductive type, a first doped region positioned at a first surface of the substrate and contains impurities of a second conductive type different from the first conductive type, and a first electrode part electrically connected to the first doped region. The first electrode part includes a thermosetting resin, and first and second conductive particles distributed in the thermosetting resin. The second conductive particles have a work function greater than the first conductive particles and form silicide at an interface contacting the first doped region.

公开(公告)号：US20140338738A1

公开(公告)日：2014-11-20

申请号：US14221111

申请日：2014-03-20

Applicant: LG Electronics Inc.

Inventor： Jeongbeom Nam ,  Mihee Heo ,  Eunjoo Lee ,  Ilhyoung Jung

IPC: H01L31/0224 ,  H01L31/18

CPC classification number: H01L31/022425 ,  H01L31/0684 ,  H01L31/18 ,  Y02E10/547

Abstract: A solar cell includes a substrate of a first conductive type, a first doped region positioned at a first surface of the substrate and contains impurities of a second conductive type different from the first conductive type, and a first electrode part electrically connected to the first doped region. The first electrode part includes a thermosetting resin, and first and second conductive particles distributed in the thermosetting resin. The second conductive particles have a work function greater than the first conductive particles and form silicide at an interface contacting the first doped region.

Abstract translation: 太阳能电池包括第一导电类型的衬底，位于衬底的第一表面处的第一掺杂区域，并且包含不同于第一导电类型的第二导电类型的杂质;以及电连接到第一掺杂区域的第一电极部分 地区。 第一电极部分包括热固性树脂，分散在热固性树脂中的第一和第二导电颗粒。 第二导电颗粒具有大于第一导电颗粒的功函数，并且在与第一掺杂区接触的界面处形成硅化物。