公开(公告)号：US09991401B2

公开(公告)日：2018-06-05

申请号：US14680882

申请日：2015-04-07

Applicant: LG ELECTRONICS INC.

Inventor： Kisu Kim ,  Giwon Lee ,  Ilhyoung Jung ,  Jeongbeom Nam

IPC: H01L31/0224 ,  H01L31/05 ,  H01L31/0745 ,  H01L31/0747

CPC classification number: H01L31/022425 ,  H01L31/022441 ,  H01L31/0516 ,  H01L31/0745 ,  H01L31/0747 ,  Y02E10/50

Abstract: A solar cell is discussed. A solar cell includes a semiconductor substrate, a conductive type region on one surface of the semiconductor substrate, and an electrode connected to the conductive type region. The electrode includes an electrode layer on the conductive type region and a printed electrode layer on the electrode 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：US10263127B2

公开(公告)日：2019-04-16

申请号：US15947240

申请日：2018-04-06

Applicant: LG ELECTRONICS INC.

Inventor： Kisu Kim ,  Giwon Lee ,  Ilhyoung Jung ,  Jeongbeom Nam

IPC: H01L31/0224 ,  H01L31/0747 ,  H01L31/05 ,  H01L31/0745

Abstract: A method for manufacturing a solar cell includes forming a conductive type region on one surface of a semiconductor substrate, and forming an electrode on the conductive type region, wherein the forming of the electrode includes forming a metal layer on an entire area of the conductive type region, forming a printed electrode layer having a pattern on the electrode layer, and forming an electrode layer between the conductive type region and the printed electrode layer, wherein the forming of the electrode layer includes patterning the metal layer by using the printed electrode layer as a mask.

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.

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：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：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。