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：US09412888B2

公开(公告)日：2016-08-09

申请号：US13886813

申请日：2013-05-03

Applicant: LG Electronics Inc.

Inventor： Indo Chung ,  Taehee Shin ,  Ilhyoung Jung ,  Jinah Kim

IPC: H01L31/052 ,  H01L31/0352 ,  H01L31/068 ,  H01L31/18

CPC classification number: H01L31/035272 ,  H01L31/068 ,  H01L31/1804 ,  H01L31/1864 ,  Y02E10/547 ,  Y02P70/521

Abstract: A solar cell includes a semiconductor substrate having a first conductivity type, an emitter layer on a surface of the semiconductor substrate, the emitter layer having a second conductivity type different from the first conductivity type, and electrodes including a first electrode electrically connected to the emitter layer, and a second electrode electrically connected to the semiconductor substrate. The emitter layer includes a high-concentration doping portion adjacent to the first electrode, and a low-concentration doping portion in a region that does not include the high-concentration doping portion. The low-concentration doping portion has a higher resistance than the high-concentration doping portion. The high-concentration doping portion includes a first region having a first resistance, and a second region having a second resistance higher than the first resistance.

Abstract translation: 太阳能电池包括具有第一导电类型的半导体衬底，在半导体衬底的表面上的发射极层，具有不同于第一导电类型的第二导电类型的发射极层，以及包括电连接到发射极的第一电极的电极 层和与半导体衬底电连接的第二电极。 发射极层包括与第一电极相邻的高浓度掺杂部分和不包括高浓度掺杂部分的区域中的低浓度掺杂部分。 低浓度掺杂部分具有比高浓度掺杂部分更高的电阻。 高浓度掺杂部分包括具有第一电阻的第一区域和具有高于第一电阻的第二电阻的第二区域。

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：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：US10424681B2

公开(公告)日：2019-09-24

申请号：US14792286

申请日：2015-07-06

Applicant: LG ELECTRONICS INC.

Inventor： Giwon Lee ,  Kisu Kim ,  Ilhyoung Jung ,  Jinah Kim

IPC: H01L31/0475 ,  H01L31/068 ,  H01L31/0745 ,  H01L31/0747 ,  H01L31/0216

Abstract: A solar cell is discussed, which includes a tunneling layer on one surface of a semiconductor substrate; a first conductive type region on the tunneling layer; a second conductive type region on the tunneling layer; a first electrode and a second electrode, the first electrode connected to the first conductive type region and the second electrode connected to the second conductive type region. The tunneling layer includes a first portion and a second portion. The first portion is disposed to correspond to at least a part of the first and second conductive type regions and has a first thickness. At least a part of the second portion is disposed to correspond to a boundary portion between the first conductive type region and the second conductive type region. The second portion has a second thickness greater than the first thickness.

公开(公告)号：US09947811B2

公开(公告)日：2018-04-17

申请号：US15276916

申请日：2016-09-27

Applicant: LG ELECTRONICS INC.

Inventor： Jinah Kim ,  Jonghwan Kim ,  Younghyun Lee ,  Ilhyoung Jung ,  Seongeun Lee ,  Jeongbeom Nam ,  Minho Choi ,  Sungjin Kim ,  Juhwan Yun

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

CPC classification number: H01L31/022433 ,  H01L31/02168 ,  H01L31/022425 ,  H01L31/068 ,  Y02E10/547

Abstract: A solar cell module includes a plurality of solar cells comprising a first solar cell and a second solar cell adjacent to each other; a conductive ribbon, wherein each of the plurality of solar cells comprises: a substrate; an emitter layer of positioned on the substrate; a plurality of finger electrodes formed in a first direction, each finger electrode being electrically connected to the emitter layer; and at least one first collector formed in a second direction crossing the first direction, the at least one first collector being electrically connected to the plurality of finger electrodes, wherein the conductive ribbon is attached to the at least one first collector in the second direction by a conductive adhesive, and wherein the conductive ribbon is attached on a collector region where the at least one first collector is formed and a deletion where the at least one first collector is not formed.

公开(公告)号：US09799781B2

公开(公告)日：2017-10-24

申请号：US14536270

申请日：2014-11-07

Applicant: LG ELECTRONICS INC.

Inventor： Jeongbeom Nam ,  Doohwan Yang ,  Eunjoo Lee ,  Ilhyoung Jung

IPC: H01L31/00 ,  H01L31/0224 ,  H01L31/05 ,  H01L31/068 ,  H01L31/056 ,  H01L31/028

CPC classification number: H01L31/022425 ,  H01L31/022441 ,  H01L31/022491 ,  H01L31/028 ,  H01L31/0516 ,  H01L31/056 ,  H01L31/0682 ,  Y02E10/52 ,  Y02E10/547

Abstract: A solar cell is discussed. The solar cell according to an embodiment includes a photoelectric conversion unit including a first conductive type region and a second conductive type region formed on the same side of the photoelectric conversion unit; and an electrode formed on the photoelectric conversion unit and including an adhesive layer formed on the photoelectric conversion unit and an electrode layer formed on the adhesive layer, wherein the adhesive layer has a coefficient of thermal expansion that is greater than a coefficient of thermal expansion of the photoelectric conversion unit and is less than a coefficient of thermal expansion of the electrode layer.

公开(公告)号：US09478680B2

公开(公告)日：2016-10-25

申请号：US14733041

申请日：2015-06-08

Applicant: LG ELECTRONICS INC.

Inventor： Jinah Kim ,  Jonghwan Kim ,  Younghyun Lee ,  Ilhyoung Jung ,  Seongeun Lee ,  Jeongbeom Nam ,  Minho Choi ,  Sungjin Kim ,  Juhwan Yun

IPC: H01L31/00 ,  H01L31/0224 ,  H01L31/068

CPC classification number: H01L31/022433 ,  H01L31/02168 ,  H01L31/022425 ,  H01L31/068 ,  Y02E10/547

Abstract: A solar cell can include a substrate of a first conductive type; an emitter layer of a second conductive type opposite the first conductive type, and positioned on the substrate; a plurality of finger electrodes formed in a first direction, each finger electrode being electrically connected to the emitter layer; a plurality of first collector regions; a plurality of first electrodes positioned in a plurality of first collector regions and extending in the first direction from the plurality of finger electrodes; a plurality of second electrodes positioned in the plurality of first collector regions and formed in a perpendicular direction crossing the first direction; a plurality of third electrodes positioned in the plurality of first collector regions, connecting two neighboring first electrodes of the plurality of first electrodes and formed in the perpendicular direction; and a plurality of deletions positioned in the plurality of first collector regions. Furthermore, one of the plurality of second electrodes is positioned between a pair of the plurality of first electrodes.

Abstract translation: 太阳能电池可以包括第一导电类型的衬底; 与第一导电类型相对的第二导电类型的发射极层，并位于基板上; 形成在第一方向上的多个指状电极，每个指状电极电连接到发射极层; 多个第一集电区; 多个第一电极，位于多个第一集电区域中，并从多个指状电极沿第一方向延伸; 多个第二电极，位于所述多个第一集电区域中并且沿与所述第一方向交叉的垂直方向形成; 多个第三电极，位于所述多个第一集电区域中，连接所述多个第一电极的两个相邻的第一电极并沿垂直方向形成; 以及定位在所述多个第一收集器区域中的多个缺失。 此外，多个第二电极中的一个位于一对多个第一电极之间。

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。