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：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：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：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：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：US09412885B2

公开(公告)日：2016-08-09

申请号：US14861789

申请日：2015-09-22

Applicant: LG ELECTRONICS INC.

Inventor： Juhong Yang ,  Jinah Kim ,  Jeongbeom Nam ,  Dohwan Yang ,  Indo Chung ,  Ilhyoung Jung ,  Hyungjin Kwon

IPC: H01L31/0236 ,  H01L31/068 ,  H01L31/0216 ,  H01L31/18 ,  H01L31/0368 ,  H01L31/0352

CPC classification number: H01L31/02168 ,  H01L31/02363 ,  H01L31/02366 ,  H01L31/035272 ,  H01L31/03682 ,  H01L31/068 ,  H01L31/182 ,  Y02E10/546 ,  Y02E10/547

Abstract: A solar cell can include a substrate of a first conductive type; an emitter region of a second conductive type opposite the first conductive type and which forms a p-n junction along with the substrate; an anti-reflection layer positioned on the emitter region; a front electrode part electrically connected to the emitter region; and a back electrode part electrically connected to the substrate, wherein the substrate including a first area formed of single crystal silicon and a second area formed of polycrystalline silicon, wherein a thickness of the anti-reflection layer positioned on the first area is less than a thickness of the anti-reflection layer positioned on the second area, wherein a roughness of an incident surface of the substrate in the first area is different from a roughness of the incident surface of the substrate in the second area, and wherein the emitter region is entirely formed on the incident surface of the substrate.

Abstract translation: 太阳能电池可以包括第一导电类型的衬底; 与第一导电类型相反并且与衬底一起形成p-n结的第二导电类型的发射极区域; 位于发射极区域上的防反射层; 电连接到发射极区域的前电极部分; 以及电连接到所述基板的背面电极部，其中，所述基板包括由单晶硅形成的第一区域和由多晶硅形成的第二区域，其中位于所述第一区域上的所述防反射层的厚度小于 位于第二区域的防反射层的厚度，其中第一区域中的基板的入射表面的粗糙度不同于第二区域中的基板的入射表面的粗糙度，并且其中发射极区域 完全形成在基板的入射表面上。

公开(公告)号：US10147828B2

公开(公告)日：2018-12-04

申请号：US15198212

申请日：2016-06-30

Applicant: LG Electronics Inc.

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

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

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.

公开(公告)号：US20160380138A1

公开(公告)日：2016-12-29

申请号：US15198212

申请日：2016-06-30

Applicant: LG Electronics Inc.

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

IPC: 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.