公开(公告)号：US20190157474A1

公开(公告)日：2019-05-23

申请号：US16252162

申请日：2019-01-18

Applicant: LG ELECTRONICS INC.

Inventor： Jeongbeom NAM ,  Seunghwan SHIM ,  Jisoo KO

IPC: H01L31/0224 ,  H01L31/02 ,  H01L31/18 ,  H01L31/0203 ,  H01L31/0747 ,  H01L31/05

Abstract: A solar cell includes a conductive area including first and second conductive areas on one surface of a semiconductor substrate, a passivation film having opening 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 including an adhesive layer on the semiconductor substrate or the conductive area, an electrode layer on the adhesive layer and including a metal, and a barrier layer disposed on the electrode layer and including a metal that is different from the metal of the electrode layer, the electrode layer having a thickness greater than a thickness of each of the adhesive layer and the barrier layer, a width of the electrode layer being larger than a width of the opening, and the barrier layer having a higher melting point than a melting point of the electrode layer.

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：US20170179325A1

公开(公告)日：2017-06-22

申请号：US15385316

申请日：2016-12-20

Applicant: LG ELECTRONICS INC.

Inventor： Indo CHUNG ,  Mihee HEO ,  Juhong YANG ,  Eunjoo LEE ,  Jeongbeom NAM

IPC: H01L31/05 ,  H01L31/18 ,  H01L31/0236 ,  H01L31/0216 ,  H01L31/0224

CPC classification number: H01L31/1872 ,  H01L31/02167 ,  H01L31/022441 ,  H01L31/02363 ,  H01L31/0368 ,  H01L31/0682 ,  Y02E10/547 ,  Y02P70/521

Abstract: Disclosed is a solar cell including a semiconductor substrate, a protective-film layer on a surface of the semiconductor substrate, a polycrystalline semiconductor layer over the protective-film layer, a first conductive area formed by selectively doping the semiconductor layer with a first conductive dopant, a second conductive area doped with a second conductive dopant and located between neighboring portions of the first conductive area, an undoped barrier area located between the first conductive area and the second conductive area, a first electrode connected to the first conductive area, and a second electrode connected to the second conductive area. Each of the first conductive area and the second conductive area includes a second crystalline area having a crystalline structure different from that of the barrier area, and the second crystalline areas of the first and second conductive areas include a second polycrystalline area and a fourth crystalline area having different depths.

公开(公告)号：US20150287849A1

公开(公告)日：2015-10-08

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

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.

Abstract translation: 讨论太阳能电池。 太阳能电池包括半导体衬底，半导体衬底的一个表面上的导电类型区域和连接到导电类型区域的电极。 该电极包括导电型区域上的电极层和电极层上的印刷电极层。

公开(公告)号：US20150129037A1

公开(公告)日：2015-05-14

申请号：US14536270

申请日：2014-11-07

Applicant: LG ELECTRONICS INC.

Inventor： Jeongbeom NAM ,  Doohwan YANG ,  Eunjoo LEE ,  Ilhyoung JUNG

IPC: H01L31/0224 ,  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.

Abstract translation: 讨论太阳能电池。 根据实施例的太阳能电池包括光电转换单元，其包括形成在光电转换单元的同一侧的第一导电类型区域和第二导电类型区域; 以及形成在所述光电转换单元上并且包括形成在所述光电转换单元上的粘合剂层和形成在所述粘合剂层上的电极层的电极，其中所述粘合剂层的热膨胀系数大于热膨胀系数 该光电转换单元小于电极层的热膨胀系数。

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：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：US20180182905A1

公开(公告)日：2018-06-28

申请号：US15849060

申请日：2017-12-20

Applicant: LG Electronics Inc.

Inventor： Jeongbeom NAM ,  Joohyun KOH ,  Jisoo KO ,  Dohwan YANG

IPC: H01L31/0216 ,  H01L31/0224 ,  H01L31/18 ,  H01L31/0236

CPC classification number: H01L31/02167 ,  H01L31/022441 ,  H01L31/02363 ,  H01L31/0352 ,  H01L31/0516 ,  H01L31/0745 ,  H01L31/0747 ,  H01L31/1868 ,  Y02E10/50 ,  Y02P70/521

Abstract: Disclosed is a solar cell including a plurality of first electrodes electrically connected to a plurality of first conductive regions; and a plurality of second electrodes electrically connected to a plurality of second conductive regions. The plurality of first conductive regions and the plurality of second conductive regions are spaced apart from an edge of a semiconductor substrate by a first interval, the plurality of first conductive regions and the plurality of second conductive regions are spaced apart from each other in a second direction crossing a first direction by a second interval, and the second interval is the same as or less than the first interval.

公开(公告)号：US20170033242A1

公开(公告)日：2017-02-02

申请号：US15220172

申请日：2016-07-26

Applicant: LG ELECTRONICS INC.

Inventor： Jeongbeom NAM ,  Seunghwan SHIM ,  Jisoo KO

IPC: H01L31/0224 ,  H01L31/0203 ,  H01L31/18 ,  H01L31/02

CPC classification number: H01L31/022425 ,  H01L31/02008 ,  H01L31/0203 ,  H01L31/022441 ,  H01L31/0516 ,  H01L31/0747 ,  H01L31/1804 ,  Y02E10/50

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.

Abstract translation: 公开了一种包括半导体衬底的太阳能电池，包括设置在半导体衬底的一个表面上的第一和第二导电区域的导电区域，以及包括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的电极 区。 所述电极包括设置在所述半导体基板或所述导电区域上的粘合剂层，设置在所述粘合剂层上并且包括金属作为主要成分的电极层，以及设置在所述电极层上的包含不同于 电极层的金属为主要成分。 电极层的厚度大于粘合剂层和阻挡层的厚度，阻挡层的熔点高于电极层的熔点。