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：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：US20180226523A1

公开(公告)日：2018-08-09

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

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

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：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：US20190115484A1

公开(公告)日：2019-04-18

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 ,  H01L31/18 ,  H01L31/068

CPC classification number: H01L31/022433 ,  H01L31/02167 ,  H01L31/02168 ,  H01L31/022441 ,  H01L31/0682 ,  H01L31/0747 ,  H01L31/1804 ,  H01L31/1868 ,  Y02E10/547 ,  Y02P70/521

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：US20180204965A1

公开(公告)日：2018-07-19

申请号：US15918496

申请日：2018-03-12

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 ,  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 electrically connecting the first solar cell and the second solar cell, a front member positioned on a front surface of the plurality of solar cells, a back member positioned on a back surface of the plurality of solar cells, a first protection film positioned between the front member and the plurality of solar cells, and a second protection film positioned between the back member and the plurality of solar cells.

公开(公告)号：US20160343894A1

公开(公告)日：2016-11-24

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 ,  H01L31/068

CPC classification number: H01L31/05 ,  H01L31/022425 ,  H01L31/022441 ,  H01L31/022466 ,  H01L31/068 ,  H01L31/0747 ,  Y02E10/50

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.

Abstract translation: 公开了太阳能电池和太阳能电池模块。 太阳能电池包括含有晶体硅材料的半导体基板，半导体基板的背面上的第一导电区域，位于半导体基板背面以外的第一导电区域以外的部分的第二导电区域， 与第一导电区域相对的导电类型，连接到第一导电区域的第一电极和连接到第二导电区域的第二电极。 半导体基板的背面被分割为在半导体基板的整个背面的边缘处的一个方向上延伸的第一区域和从半导体基板的整个背面占据第一区域以外的部分的第二区域。