公开(公告)号：US10483409B2

公开(公告)日：2019-11-19

申请号：US16113853

申请日：2018-08-27

Applicant: LG ELECTRONICS INC.

Inventor： Seunghwan Shim ,  Kisu Kim ,  Eunae Yoon ,  Yuju Hwang ,  Younghyun Lee ,  Sangwook Park

IPC: H01L31/0216 ,  H01L31/068 ,  H01L31/0224 ,  H01L31/0236

Abstract: A solar cell includes a substrate formed of n-type single crystal silicon, an emitter region of a p-type which is positioned at a first surface of the substrate and includes a first emitter region having a first sheet resistance and a second emitter region having a second sheet resistance less than the first sheet resistance, a plurality of surface field regions of the n-type locally positioned at a second surface opposite the first surface of the substrate, a plurality of first electrodes which are positioned only on the second emitter region to be separated from one another and are connected to the second emitter region, and a plurality of second electrodes which are positioned on the plurality of surface field regions to be separated from one another and are connected to the plurality of surface field regions.

公开(公告)号：US10276737B2

公开(公告)日：2019-04-30

申请号：US15159430

申请日：2016-05-19

Applicant: LG ELECTRONICS INC.

Inventor： Seunghwan Shim ,  Ilhyoung Jung ,  Jinah Kim ,  Hwanyeon Kim

IPC: H01L31/05 ,  H01L31/0224 ,  H01L31/0747 ,  H01L31/068

Abstract: A solar cell and a solar cell module are disclosed. The solar cell includes a semiconductor substrate containing a crystalline silicon material, a first conductive region on a back surface of the semiconductor substrate, a second conductive region positioned in a portion except the first conductive region from the back surface of the semiconductor substrate and having a conductive type opposite the first conductive region, a first electrode connected to the first conductive region, and a second electrode connected to the second conductive region. The back surface of the semiconductor substrate is divided into a first area extending in one direction at an edge of the entire back surface of the semiconductor substrate and a second area occupying a portion except the first area from the entire back surface of the semiconductor substrate.

公开(公告)号：US10720537B2

公开(公告)日：2020-07-21

申请号：US16222496

申请日：2018-12-17

Applicant: LG ELECTRONICS INC.

Inventor： Indo Chung ,  Seunghwan Shim ,  Ilhyoung Jung ,  Jeongbeom Nam

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

Abstract: Discussed is a solar cell includes a semiconductor substrate, a conductive type region including a first conductive type region and a second conductive type region formed on one surface of the semiconductor substrate, an electrode including a first electrode and a second electrode, wherein the first electrode is connected to the first conductive type region and the second electrode is connected to the second conductive type region, and a passivation layer formed on the conductive type region. The passivation layer includes at least one of silicon nitride and silicon carbide.

公开(公告)号：US09929297B2

公开(公告)日：2018-03-27

申请号：US14151478

申请日：2014-01-09

Applicant: LG ELECTRONICS INC.

Inventor： Eunhye Youn ,  Sangwook Park ,  Seunghwan Shim ,  Yujin Lee

IPC: H01L31/065 ,  H01L31/068 ,  H01L31/0352 ,  H01L31/0368 ,  H01L31/0376 ,  H01L31/18

CPC classification number: H01L31/065 ,  H01L31/035272 ,  H01L31/03685 ,  H01L31/03762 ,  H01L31/068 ,  H01L31/1824 ,  Y02E10/547

Abstract: A solar cell and a method for manufacturing the same are discussed. The solar cell includes a substrate containing impurities of a first conductive type, an emitter region which is positioned at a front surface of the substrate and contains impurities of a second conductive type opposite the first conductive type, a back passivation layer which is positioned on a back surface of the substrate and has openings, a back surface field region containing impurities of the first conductive type, a first electrode connected to the emitter region, and a second electrode connected to the back surface field region. The back surface field region includes a first back surface field region positioned on the back passivation layer and a second back surface field region, which is positioned at the back surface of the substrate exposed by the openings of the back passivation layer.

公开(公告)号：US10566488B2

公开(公告)日：2020-02-18

申请号：US14811475

申请日：2015-07-28

Applicant: LG ELECTRONICS INC.

Inventor： Seunghwan Shim ,  Ilhyoung Jung ,  Indo Chung ,  Eunhye Youn

IPC: H01L31/0224 ,  H01L31/18 ,  H01L31/077 ,  H01L31/028 ,  H01L31/0368 ,  H01L31/0352 ,  H01L31/0747

Abstract: A solar cell and a method for manufacturing the same are disclosed. The solar cell includes a semiconductor substrate doped with impurities of a first conductive type, a front surface field region disposed at a front surface of the substrate and doped with impurities of the first conductive type at a concentration higher than those of the substrate, a tunnel layer disposed on a back surface of the substrate and formed of a dielectric material, an emitter region disposed at a first portion of a back surface of the tunnel layer and doped with impurities of a second conductive type opposite the first conductive type, and a back surface field region disposed at a second portion of the back surface of the tunnel layer and doped with impurities of the first conductive type at a concentration higher than those of the substrate.

公开(公告)号：US10566483B2

公开(公告)日：2020-02-18

申请号：US15071923

申请日：2016-03-16

Applicant: LG ELECTRONICS INC.

Inventor： Jaewon Chang ,  Ilhyoung Jung ,  Jinah Kim ,  Hyunjung Park ,  Seunghwan Shim

IPC: H01L31/00 ,  H01L31/062 ,  H01L31/0224

Abstract: Disclosed is a solar cell including a semiconductor substrate, a first conductive area disposed on one surface of the semiconductor substrate, the first conductive area being of a first conductive type, a second conductive area of a second conductive type opposite to the first conductive type, a first electrode connected to the first conductive area, and a second electrode connected to the second conductive area. At least one of the first conductive area and the second conductive area is formed of a metal compound layer.

公开(公告)号：US10217877B2

公开(公告)日：2019-02-26

申请号：US15220172

申请日：2016-07-26

Applicant: LG ELECTRONICS INC.

Inventor： Jeongbeom Nam ,  Seunghwan Shim ,  Jisoo Ko

IPC: H01L31/00 ,  H01L31/0224 ,  H01L31/05 ,  H01L31/0747 ,  H01L31/02 ,  H01L31/0203 ,  H01L31/18

Abstract: Disclosed is a solar cell including a semiconductor substrate, a conductive area including first and second conductive areas disposed on one surface of the semiconductor substrate, and an electrode including a first electrode connected to the first conductive area and a second electrode connected to the second conductive area. The electrode includes an adhesive layer disposed on the semiconductor substrate or the conductive area, an electrode layer disposed on the adhesive layer and including a metal as a main component, and a barrier layer disposed on the electrode layer and including a metal that is different from the metal of the electrode layer as a main component. The electrode layer has a thickness greater than a thickness of each of the adhesive layer and the barrier layer, and the barrier layer has a higher melting point than a melting point of the electrode layer.

公开(公告)号：US10141457B2

公开(公告)日：2018-11-27

申请号：US13798355

申请日：2013-03-13

Applicant: LG Electronics Inc.

Inventor： Seunghwan Shim ,  Kisu Kim ,  Eunhye Youn ,  Yuju Hwang ,  Younghyun Lee ,  Sangwook Park

IPC: H01L31/00 ,  H01L31/0216 ,  H01L31/0224 ,  H01L31/068 ,  H01L31/0745 ,  H01L31/0747

Abstract: A solar cell includes a semiconductor substrate of a first conductive type, an emitter region having a second conductive type different from the first conductive type and positioned at a first surface of the semiconductor substrate, a semiconductor region positioned directly on a second surface opposite the first surface of the semiconductor substrate, forming a charge accumulation layer on the second surface of the semiconductor substrate, and containing impurities of the first conductive type, a first electrode positioned on the first surface of the semiconductor substrate and coupled to the emitter region, and a second electrode positioned on the second surface of the semiconductor substrate and coupled to the semiconductor substrate.

公开(公告)号：US10290765B2

公开(公告)日：2019-05-14

申请号：US15224015

申请日：2016-07-29

Applicant: LG ELECTRONICS INC.

Inventor： Jinah Kim ,  Ilhyoung Jung ,  Seunghwan Shim

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

Abstract: A solar cell and a method for manufacturing the solar cell are discussed. The method for manufacturing the solar cell includes applying an electrode paste on a semiconductor substrate and sintering the electrode paste using a light sintering device to form an electrode. The electrode paste includes fine metal particles, a binder, and a solvent. An amount of the fine metal particles is greater than a sum of an amount of the binder and an amount of the solvent, and the amount of the binder is greater than the amount of the solvent.

公开(公告)号：US10181534B2

公开(公告)日：2019-01-15

申请号：US14659053

申请日：2015-03-16

Applicant: LG ELECTRONICS INC.

Inventor： Indo Chung ,  Seunghwan Shim ,  Ilhyoung Jung ,  Jeongbeom Nam

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

Abstract: Discussed is a solar cell includes a semiconductor substrate, a conductive type region including a first conductive type region and a second conductive type region formed on one surface of the semiconductor substrate, an electrode including a first electrode and a second electrode, wherein the first electrode is connected to the first conductive type region and the second electrode is connected to the second conductive type region, and a passivation layer formed on the conductive type region. The passivation layer includes at least one of silicon nitride and silicon carbide.