公开(公告)号：US20140196777A1

公开(公告)日：2014-07-17

申请号：US14151345

申请日：2014-01-09

Applicant: LG ELECTRONICS INC.

Inventor： Dohwan YANG ,  Juhong YANG ,  Ilhyoung JUNG ,  Jinah KIM

IPC: H01L31/065 ,  H01L31/18

CPC classification number: H01L31/065 ,  H01L31/02167 ,  H01L31/0682 ,  H01L31/1804 ,  H01L31/1864 ,  Y02E10/547 ,  Y02P70/521

Abstract: A solar cell and a method for manufacturing the solar cell are discussed. An embodiment of the method includes forming an emitter region containing impurities of a second conductive type opposite a first conductive type at a back surface of a semiconductor substrate containing impurities of the first conductive type, forming a passivation layer paste containing impurities of the first conductive type on the emitter region, selectively performing a thermal process on a first partial area of the passivation layer paste to form a back surface field region containing impurities of the first conductive type at a partial area of the emitter region, forming a plurality of openings in partial areas of the passivation layer paste to form a passivation layer, forming a first electrode connected to the emitter region, and forming a second electrode connected to the back surface field region.

Abstract translation: 讨论太阳能电池和太阳能电池的制造方法。 该方法的一个实施例包括在包含第一导电类型的杂质的半导体衬底的背表面上形成含有与第一导电类型相反的第二导电类型的杂质的发射极区域，形成含有第一导电类型杂质的钝化层糊料 在所述发射极区域上，选择性地对所述钝化层浆料的第一部分区域进行热处理，以在所述发射极区域的部分区域处形成包含所述第一导电类型的杂质的背面场区域，部分地形成多个开口 钝化层的区域形成钝化层，形成连接到发射极区的第一电极，形成连接到背面场区的第二电极。

公开(公告)号：US20170018665A1

公开(公告)日：2017-01-19

申请号：US15276916

申请日：2016-09-27

Applicant: LG ELECTRONICS INC.

Inventor： Jinah KIM ,  Jonghwan KIM ,  Younghyun LEE ,  IIhyoung JUNG ,  Seongeun LEE ,  Jeongbeom NAM ,  Minho CHOI ,  Sungjin KIM ,  Juhwan YUN

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

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.

Abstract translation: 太阳能电池模块包括多个太阳能电池，包括彼此相邻的第一太阳能电池和第二太阳能电池; 导电带，其中所述多个太阳能电池中的每一个包括：基板; 位于所述基板上的发射极层; 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; 以及沿与所述第一方向交叉的第二方向形成的至少一个第一集电器，所述至少一个第一集电器电连接到所述多个指状电极，其中所述导电带通过所述第二方向附接到所述至少一个第一集电器， 导电粘合剂，并且其中所述导电带附接在其上形成有所述至少一个第一集电体的集电极区域上，并且其中未形成所述至少一个第一集电极的缺失。

公开(公告)号：US20160005900A1

公开(公告)日：2016-01-07

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 ,  H01L31/0216

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.

Abstract translation: 讨论了一种太阳能电池，其包括在半导体衬底的一个表面上的隧道层; 隧道层上的第一导电类型区域; 隧道层上的第二导电类型区域; 第一电极和第二电极，第一电极连接到第一导电类型区域，第二电极连接到第二导电类型区域。 隧道层包括第一部分和第二部分。 第一部分设置成对应于第一和第二导电类型区域的至少一部分并且具有第一厚度。 第二部分的至少一部分被设置成对应于第一导电类型区域和第二导电类型区域之间的边界部分。 第二部分具有大于第一厚度的第二厚度。

公开(公告)号：US20140076394A1

公开(公告)日：2014-03-20

申请号：US13857806

申请日：2013-04-05

Applicant: LG ELECTRONICS INC.

Inventor： Jeongbeom NAM ,  Indo CHUNG ,  Ilhyoung JUNG ,  Jinah KIM

IPC: H01L31/0224

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

Abstract: A solar cell includes a substrate, an emitter region including a lightly doped emitter region having a first sheet resistance and a heavily doped emitter region having a second sheet resistance less than the first sheet resistance, a first dielectric layer positioned on the emitter region, a first electrode including a first finger electrode positioned on the heavily doped emitter region in a first direction and a first bus bar electrode positioned on the lightly doped emitter region in a second direction, and a second electrode positioned on the substrate. The first finger electrode includes a seed layer contacting the heavily doped emitter region and a conductive metal layer formed on the seed layer, and the first bus bar electrode includes electrically conductive metal particles and a thermosetting resin.

Abstract translation: 太阳能电池包括基板，包括具有第一薄层电阻的轻掺杂发射极区域和具有小于第一薄层电阻的第二薄层电阻的重掺杂发射极区域的发射极区域，位于发射极区域上的第一介电层， 第一电极包括位于第一方向上的重掺杂发射极区域上的第一指状电极和位于第二方向上位于轻掺杂发射极区域上的第一汇流条电极以及位于基板上的第二电极。 第一指状电极包括接触重掺杂发射极区域的种子层和形成在种子层上的导电金属层，第一汇流条电极包括导电金属颗粒和热固性树脂。

公开(公告)号：US20220093809A1

公开(公告)日：2022-03-24

申请号：US17540983

申请日：2021-12-02

Applicant: LG ELECTRONICS INC.

Inventor： Jeongbeom NAM ,  Indo CHUNG ,  Ilhyoung JUNG ,  Jinah KIM

IPC: H01L31/0224 ,  H01L31/068

Abstract: Discussed is a method for manufacturing a solar cell including forming a lightly doped emitter region having a first sheet resistance at a first surface of a substrate, forming a dopant layer on the lightly doped emitter region, irradiating a laser beam onto the dopant layer to form a heavily doped emitter region having a second sheet resistance less than the first sheet resistance; forming a first finger electrode on the heavily doped emitter region in a first direction and forming a first bus bar electrode in a second direction to form a first electrode, and forming a second electrode on a second surface of the substrate, wherein the forming of the first bus bar electrode of the first electrode includes coating a bus bar paste including electrically conductive metal particles and a thermosetting resin and performing a predetermined temperature process on the bus bar paste.

公开(公告)号：US20190229228A1

公开(公告)日：2019-07-25

申请号：US16364875

申请日：2019-03-26

Applicant: LG ELECTRONICS INC.

Inventor： Jinah KIM ,  Ilhyoung JUNG ,  Seunghwan SHIM

IPC: H01L31/18 ,  H01L31/0224

Abstract: A method for manufacturing a solar cell includes applying an electrode paste on a semiconductor substrate, the electrode paste including fine metal particles, a binder, and a solvent; and sintering the electrode paste using light to form an electrode, the sintering of the electrode paste to form the electrode including evaporating the solvent included in the electrode paste; and irradiating the light, after the evaporating of the solvent, to evaporate the binder included in the electrode paste and sinter the fine metal particles to form the electrode, the evaporating of the solvent and the irradiating of the light being performed at different temperatures, a temperature to evaporate the binder being higher than a temperature of the evaporating of the solvent, the solvent being evaporated at the temperature of about 80° C. to 150° C., and the binder being evaporated at the temperature of about 100° C. to 500° C.

公开(公告)号：US20160013330A1

公开(公告)日：2016-01-14

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: H01L31/0216 ,  H01L31/0368 ,  H01L31/0236

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：US20150270420A1

公开(公告)日：2015-09-24

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: H01L31/0224

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：US20140251424A1

公开(公告)日：2014-09-11

申请号：US14198431

申请日：2014-03-05

Applicant: LG ELECTRONICS INC.

Inventor： Doohwan YANG ,  Juhong YANG ,  Ilhyoung JUNG ,  Jinah KIM

IPC: H01L31/0216

CPC classification number: H01L31/02167 ,  H01L31/02168 ,  H01L31/022425 ,  H01L31/02363 ,  H01L31/068 ,  H01L31/1868 ,  Y02E10/547 ,  Y02P70/521

Abstract: A solar cell is disclosed. The solar cell includes a semiconductor substrate, a conductive region formed at the semiconductor substrate and having a conductive type identical to or different from that of the semiconductor substrate, a passivation film formed on the semiconductor substrate so as to cover the conductive region, and an electrode electrically connected to at least one of the semiconductor substrate and the conductive region. The passivation film includes a first layer formed on the conductive region and including silicon oxide, a second layer formed on the first layer and including an oxide having a negative charge, and a third layer formed on the second layer and having an index of refraction different from that of the second layer.

Abstract translation: 公开了一种太阳能电池。 太阳能电池包括半导体衬底，形成在半导体衬底处并具有与半导体衬底相同或不同的导电类型的导电区域，形成在半导体衬底上以覆盖导电区域的钝化膜，以及 电极电连接到半导体衬底和导电区域中的至少一个。 钝化膜包括形成在导电区上并包括氧化硅的第一层，形成在第一层上的第二层，并且包括具有负电荷的氧化物，第三层形成在第二层上并具有不同的折射率 从第二层的。

公开(公告)号：US20170098722A1

公开(公告)日：2017-04-06

申请号：US15282482

申请日：2016-09-30

Applicant: LG ELECTRONICS INC.

Inventor： Jaewon CHANG ,  Jinsung KIM ,  Philwon YOON ,  Ilhyoung JUNG ,  Seunghun LEE ,  Seunghwan SHIM ,  Jinah KIM

IPC: H01L31/0224 ,  H01L31/0236 ,  H01L31/02

CPC classification number: H01L31/022441 ,  H01L31/02008 ,  H01L31/02167 ,  H01L31/022466 ,  H01L31/022483 ,  H01L31/02363 ,  H01L31/032 ,  H01L31/074 ,  Y02E10/50

Abstract: Disclosed is a solar cell including a semiconductor substrate including a semiconductor material, a tunneling layer disposed over one surface of the semiconductor substrate, a first conductive area and a second conductive area disposed over the tunneling layer and having opposite conductive types, and an electrode including a first electrode electrically connected to the first conductive area and a second electrode electrically connected to the second conductive area. At least one of the first conductive area and the second conductive area is configured as a metal compound layer.