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：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：US20170236972A1

公开(公告)日：2017-08-17

申请号：US15429878

申请日：2017-02-10

Applicant: LG ELECTRONICS INC.

Inventor： Indo CHUNG ,  Jeongbeom NAM ,  Juhong YANG

IPC: H01L31/18

CPC classification number: H01L31/1868 ,  H01L31/022441 ,  H01L31/0745 ,  H01L31/18 ,  Y02E10/50

Abstract: A method of manufacturing a solar cell is disclosed. The method includes forming a control passivation layer on a back surface of a semiconductor substrate containing impurities of a first conductivity type, forming an emitter region containing impurities of a second conductivity type opposite the first conductivity type and a back surface field region containing impurities of the first conductivity type on the control passivation layer, forming a passivation layer on the emitter region and the back surface field region, forming first and second openings in the passivation layer by using a pulse type laser having a continuously uniform intensity, forming a first electrode electrically and physically connected to the emitter region through the first opening, and forming a second electrode electrically and physically connected to the back surface field region through the second opening.

公开(公告)号：US20160351737A1

公开(公告)日：2016-12-01

申请号：US15166593

申请日：2016-05-27

Applicant: LG ELECTRONICS INC.

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

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

CPC classification number: H01L31/022441 ,  H01L31/02167 ,  H01L31/0682 ,  H01L31/0745 ,  H01L31/0747 ,  H01L31/1804 ,  H01L31/1864 ,  Y02E10/547 ,  Y02P70/521

Abstract: Disclosed is a method of manufacturing a solar cell, the method including forming a tunneling layer over one surface of a semiconductor substrate, forming a semiconductor layer over the tunneling layer, forming a conductive area including a first conductive area of a first conductive type and a second conductive area of a second conductive type in the semiconductor layer, and forming an electrode including a first electrode connected to the first conductive area and a second electrode connected to the second conductive area. The forming of the conductive area includes forming a mask layer over the semiconductor layer, forming a doping opening corresponding to at least one of the first conductive area and the second conductive area in the mask layer using a laser, and performing doping using the doping opening.

Abstract translation: 公开了一种制造太阳能电池的方法，该方法包括在半导体衬底的一个表面上形成隧穿层，在隧道层上形成半导体层，形成包括第一导电类型的第一导电区域和 在所述半导体层中形成第二导电类型的第二导电区域，以及形成包括连接到所述第一导电区域的第一电极和连接到所述第二导电区域的第二电极的电极。 导电区域的形成包括在半导体层上形成掩模层，使用激光形成对应于掩模层中的第一导电区域和第二导电区域中的至少一个的掺杂开口，并且使用掺杂开口 。

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：US20190326457A1

公开(公告)日：2019-10-24

申请号：US16502812

申请日：2019-07-03

Applicant: LG ELECTRONICS INC.

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

IPC: H01L31/0224 ,  H01L31/0747 ,  H01L31/18 ,  H01L31/0216 ,  H01L31/0745 ,  H01L31/068

Abstract: A solar cell can include a semiconductor substrate; a tunneling layer formed over the semiconductor substrate; a conductive area located over the tunneling layer, the conductive area including a first conductive area of a first conductive type and a second conductive area of a second conductive type; and an electrode including a first electrode connected to the first conductive area and a second electrode connected to the second conductive area, wherein a mark is located in at least one of the first conductive area and the second conductive area, and has a different shape from that of a crystal plane of the semiconductor substrate and the conductive area, and wherein the mark is formed along a longitudinally extending edge of at least one of the first conductive area and the second conductive area.

公开(公告)号：US20140041720A1

公开(公告)日：2014-02-13

申请号：US13779025

申请日：2013-02-27

Applicant: LG ELECTRONICS INC.

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

IPC: H01L31/0224

CPC classification number: H01L31/022458 ,  H01L31/02167 ,  H01L31/022425 ,  H01L31/056 ,  H01L31/068 ,  Y02E10/52 ,  Y02E10/547

Abstract: A solar cell includes a substrate, an emitter region positioned at a first surface of the substrate, a first electrode positioned on the first surface of the substrate, a back passivation layer positioned on a second surface opposite the first surface of the substrate, and a second electrode which is positioned on the back passivation layer and is electrically connected to the substrate through holes of the back passivation layer. The second electrode includes connection electrodes positioned inside the holes of the back passivation layer and a back electrode layer positioned on the connection electrodes and the back passivation layer. An adhesion enhanced layer is positioned between the back electrode layer and the back passivation layer and contains at least one of intrinsic amorphous silicon and intrinsic microcrystalline silicon.

Abstract translation: 太阳能电池包括衬底，位于衬底的第一表面处的发射极区域，位于衬底的第一表面上的第一电极，位于与衬底的第一表面相对的第二表面上的背面钝化层，以及 第二电极位于背部钝化层上，并且通过背面钝化层的孔与基板电连接。 第二电极包括位于背面钝化层的孔内的连接电极和位于连接电极和背面钝化层上的背面电极层。 粘合增强层位于背电极层和背部钝化层之间，并且包含本征非晶硅和本征微晶硅中的至少一种。

公开(公告)号：US20170213921A1

公开(公告)日：2017-07-27

申请号：US15416486

申请日：2017-01-26

Applicant: LG ELECTRONICS INC.

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

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

Abstract: Disclosed is a solar cell. The solar cell includes a semiconductor substrate, conductivity-type regions located in or on the semiconductor substrate, electrodes conductively connected to the conductivity-type regions, and insulating films located on at least one of opposite surfaces of the semiconductor substrate, and including a first film and a second film located on the first film, the second film has a higher carbon content than that of the first film, a refractive index of the second film is equal to or less than a refractive index of the first film, and an extinction coefficient of the second film is equal to or greater than an extinction coefficient of the first film.

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：US20160336468A1

公开(公告)日：2016-11-17

申请号：US15154532

申请日：2016-05-13

Applicant: LG ELECTRONICS INC.

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

IPC: H01L31/049 ,  H01L31/18 ,  H01L31/0224 ,  H01L31/0236 ,  H01L31/02 ,  H01L31/0216

CPC classification number: H01L31/049 ,  H01L31/02008 ,  H01L31/02167 ,  H01L31/022441 ,  H01L31/02366 ,  H01L31/0747 ,  H01L31/1804 ,  H01L31/1868 ,  Y02E10/547 ,  Y02P70/521

Abstract: Disclosed is a solar cell including a semiconductor substrate, a conductive area including a first conductive area and a second conductive area formed on one surface of the semiconductor substrate, a passivation film formed on the conductive area, the passivation film having a contact hole, a protective film formed on the conductive area inside the contact hole, the protective film being formed on at least one of at least a portion of an inner side surface of the contact hole and the passivation film, and an electrode electrically connected to the conductive area through the contact hole with the protective film interposed therebetween.

Abstract translation: 公开了一种太阳能电池，其包括半导体基板，导电区域，包括形成在半导体基板的一个表面上的第一导电区域和第二导电区域，形成在导电区域上的钝化膜，钝化膜具有接触孔， 保护膜形成在接触孔内部的导电区域上，保护膜形成在接触孔的内侧表面的至少一部分和钝化膜中的至少一个上，以及电连接到导电区域通过 与保护膜之间的接触孔插入其间。