公开(公告)号：US20150303319A1

公开(公告)日：2015-10-22

申请号：US14754370

申请日：2015-06-29

Applicant: LG ELECTRONICS INC.

Inventor： Hojung SYN ,  Hyunjin YANG ,  Junghoon CHOI ,  Youngjoo EO

IPC: H01L31/0216 ,  H01L31/0224 ,  H01L31/20

CPC classification number: H01L31/02167 ,  H01L31/02168 ,  H01L31/022441 ,  H01L31/022466 ,  H01L31/0747 ,  H01L31/202 ,  Y02E10/50 ,  Y02E10/52

Abstract: A back contact solar cell and a method for manufacturing the back contact solar cell are discussed. The back contact solar cell includes a substrate made of crystalline silicon having a first conductivity type, a passivation layer on one side of the substrate, an antireflection layer on the passivation layer, a first electrode on the other side of the substrate, a second electrode on the other side of the substrate and separated from the first electrode, a first semiconductor layer disposed between the first electrode and the substrate and having the first conductivity type, and a second semiconductor layer disposed between the second electrode and the substrate and having a second conductivity type that is opposite to the first conductivity type. The passivation layer includes at least one of amorphous silicon oxide and amorphous silicon carbide.

Abstract translation: 讨论了背接触太阳能电池和背接触太阳能电池的制造方法。 背接触太阳能电池包括由基底导电类型的晶体硅构成的衬底，衬底一侧上的钝化层，钝化层上的抗反射层，衬底另一侧的第一电极，第二电极 在所述基板的另一侧并且与所述第一电极分离，设置在所述第一电极和所述基板之间并且具有所述第一导电类型的第一半导体层，以及设置在所述第二电极和所述基板之间的第二半导体层， 导电类型与第一导电类型相反。 钝化层包括非晶硅氧化物和非晶碳化硅中的至少一种。

公开(公告)号：US20190355860A1

公开(公告)日：2019-11-21

申请号：US16530701

申请日：2019-08-02

Applicant: LG ELECTRONICS INC.

Inventor： Hyungseok KIM ,  Kwangsun JI ,  Youngjoo EO ,  Heonmin LEE ,  Choul KIM ,  Hojung SYN ,  Wonseok CHOI ,  Kihoon PARK ,  Junghoon CHOI ,  Hyunjin YANG

IPC: H01L31/0747 ,  H01L31/0216

Abstract: A solar cell can include a single crystalline semiconductor substrate; an emitter region positioned on an incident surface of the substrate, forming a p-n junction with the single crystalline semiconductor substrate; a first passivation layer positioned on a rear surface of the substrate and made of an oxide material; a back surface field layer positioned on the first passivation layer and forming a hetero junction with the single crystalline semiconductor substrate; a first electrode electrically connected to the emitter region; and a second electrode electrically connected to the single crystalline semiconductor substrate

公开(公告)号：US20190140117A1

公开(公告)日：2019-05-09

申请号：US16242561

申请日：2019-01-08

Applicant: LG ELECTRONICS INC.

Inventor： Youngsung YANG ,  Junghoon CHOI ,  Changseo PARK ,  Hyungjin KWON

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

Abstract: A method for manufacturing a solar cell, the method includes forming a tunneling layer on a semiconductor substrate; forming a semiconductor layer on the tunneling layer, wherein the forming of the semiconductor layer includes depositing a semiconductor material; forming a capping layer on the semiconductor layer; and forming an electrode connected to the semiconductor layer, wherein the tunneling layer is formed under a temperature higher than room temperature and a pressure lower than atmospheric pressure, wherein a pressure of the forming of the semiconductor layer is smaller than the pressure of the forming of the tunneling layer, wherein the forming of the semiconductor layer further comprises doping the semiconductor layer with dopants, and wherein the capping layer is formed between the forming of the semiconductor layer and the forming of the electrode.

公开(公告)号：US20190097069A1

公开(公告)日：2019-03-28

申请号：US16132672

申请日：2018-09-17

Applicant: LG Electronics Inc.

Inventor： Chungyi KIM ,  Junghoon CHOI

IPC: H01L31/048 ,  H01L31/05 ,  H02S20/22

Abstract: A solar cell panel includes a solar cell; a sealing member for sealing the solar cell; a first cover member positioned at a first surface of the solar cell on a first side of the sealing member; and a second cover member positioned at a second surface of the solar cell on a second side of the sealing member. The first cover member includes a base member and a colored portion having a lower light transmittance than the base member and partially formed on the base member to form a colored region. The second cover member includes a cover portion having a lower brightness than the colored portion and positioned at least an inactive region where the solar cell is not positioned.

公开(公告)号：US20160233359A1

公开(公告)日：2016-08-11

申请号：US15097870

申请日：2016-04-13

Applicant: LG ELECTRONICS INC.

Inventor： Sunho KIM ,  Heonmin LEE ,  Kwangsun JI ,  Youngjoo EO ,  Junghoon CHOI ,  Sehwon AHN

IPC: H01L31/0376 ,  H01L31/0236 ,  H01L31/02 ,  H01L31/0224 ,  H01L31/0216

CPC classification number: H01L31/03762 ,  C25D7/126 ,  H01L31/02008 ,  H01L31/02168 ,  H01L31/022425 ,  H01L31/022441 ,  H01L31/022466 ,  H01L31/02363 ,  H01L31/1884 ,  H01L31/20 ,  H01L31/202 ,  H05K3/188 ,  H05K3/246 ,  H05K2201/0108 ,  H05K2201/0326 ,  Y02E10/50

Abstract: Discussed is a solar cell including a single crystalline semiconductor substrate having a first transparent conductive oxide layer positioned on a non-single crystalline emitter layer; a second transparent conductive oxide layer positioned over a rear surface of the single crystalline semiconductor substrate; a first electrode part including a first seed layer directly positioned on the first transparent conductive oxide layer; and a second electrode part including a second seed layer directly positioned on the second transparent conductive oxide layer, wherein the first transparent conductive oxide layer and the first seed layer have different conductivities, and wherein the second transparent conductive oxide layer and the second seed layer have different conductivities.

Abstract translation: 讨论了包括单晶半导体衬底的太阳能电池，其具有位于非单结晶体发射极层上的第一透明导电氧化物层; 位于单晶半导体衬底的后表面上的第二透明导电氧化物层; 第一电极部分，包括直接位于第一透明导电氧化物层上的第一籽晶层; 以及包括直接位于所述第二透明导电氧化物层上的第二籽晶层的第二电极部，其中所述第一透明导电氧化物层和所述第一种子层具有不同的导电性，并且其中所述第二透明导电氧化物层和所述第二种子层具有 不同的电导率。

公开(公告)号：US20150144183A1

公开(公告)日：2015-05-28

申请号：US14555155

申请日：2014-11-26

Applicant: LG ELECTRONICS INC.

Inventor： Youngsung Yang ,  Junghoon CHOI ,  Hyunjung PARK

IPC: H01L31/0352 ,  H01L31/18 ,  H01L31/0224

CPC classification number: H01L31/1804 ,  H01L21/266 ,  H01L31/022441 ,  H01L31/03529 ,  H01L31/0747 ,  H01L31/1864 ,  Y02E10/547 ,  Y02P70/521

Abstract: A solar cell is discussed. The solar cell according to an embodiment includes a semiconductor substrate, a first conductive type region and a second conductive type region disposed on the same side of the semiconductor substrate, wherein at least one of the first and second conductive type regions includes a main region and a boundary region disposed at a peripheral portion of the main region, and the boundary region has at least one of a varying doping concentration and a varying doping depth.

Abstract translation: 讨论太阳能电池。 根据实施例的太阳能电池包括半导体衬底，第一导电类型区域和设置在半导体衬底的同一侧上的第二导电类型区域，其中第一和第二导电类型区域中的至少一个包括主区域和 边界区域，设置在主区域的周边部分，并且边界区域具有改变的掺杂浓度和变化的掺杂深度中的至少一个。

公开(公告)号：US20130340804A1

公开(公告)日：2013-12-26

申请号：US13644425

申请日：2012-10-04

Applicant: LG ELECTRONICS INC.

Inventor： Kangseok MOON ,  Junghoon CHOI

IPC: H01L31/05 ,  H01B7/08

Abstract: A solar cell module includes a plurality of solar cells comprising a first solar cell and a second solar cell; a ribbon electrically connecting the first solar cell and the second solar cell; and an insulating member positioned between the plurality of solar cells and the ribbon. The insulating member is transparent.

Abstract translation: 太阳能电池模块包括多个太阳能电池，包括第一太阳能电池和第二太阳能电池; 电连接第一太阳能电池和第二太阳能电池的带; 以及定位在所述多个太阳能电池和所述带之间的绝缘构件。 绝缘构件是透明的。

公开(公告)号：US20190326453A1

公开(公告)日：2019-10-24

申请号：US16456621

申请日：2019-06-28

Applicant: LG ELECTRONICS INC.

Inventor： Jaewon CHANG ,  Kyungjin SHIM ,  Hyunjung PARK ,  Junghoon CHOI

IPC: H01L31/0216 ,  H01L31/0747

Abstract: A method for manufacturing a solar cell, includes providing a silicon substrate, forming an oxide layer on a first surface of the silicon substrate, forming a doped polycrystalline silicon layer on the oxide layer, forming a passivation layer on the doped polycrystalline silicon layer, printing a metal paste on the passivation layer, and forming a metal contact connected to the doped polycrystalline silicon layer by firing the metal paste to penetrate the passivation layer.

公开(公告)号：US20180122981A1

公开(公告)日：2018-05-03

申请号：US15858016

申请日：2017-12-29

Applicant: LG ELECTRONICS INC.

Inventor： Youngsung YANG ,  Hyungjin KWON ,  Chungyi KIM ,  Junghoon CHOI

IPC: H01L31/18 ,  H01L31/068 ,  H01L31/0216 ,  H01L21/02

CPC classification number: H01L31/1868 ,  H01L21/02131 ,  H01L21/02238 ,  H01L21/02255 ,  H01L21/02337 ,  H01L31/02167 ,  H01L31/0682 ,  H01L31/1864 ,  Y02E10/547

Abstract: A method of manufacturing a solar cell, the method includes forming a protective film over a semiconductor substrate, the semiconductor substrate including a base area of a first conductive type and formed of crystalline silicon, wherein the forming of the protective film includes a heat treatment process performed at a heat treatment temperature of approximately 600 degrees Celsius or more under a gas atmosphere including nitrogen, and wherein the heat treatment process includes: a main section, during which the heat treatment temperature is maintained, a temperature increase section before the main section, during which an increase in temperature occurs from an introduction temperature to the heat treatment temperature, and a temperature reduction section after the main section, during which a decrease in temperature occurs from the heat treatment temperature to a discharge temperature.

公开(公告)号：US20170018663A1

公开(公告)日：2017-01-19

申请号：US15276884

申请日：2016-09-27

Applicant: LG ELECTRONICS INC.

Inventor： Wonseok CHOI ,  Kwangsun JI ,  Heonmin LEE ,  Hojung SYN ,  Junghoon CHOI ,  Hyunjin YANG

IPC: H01L31/0216 ,  H01L31/072 ,  H01L31/0368 ,  H01L31/0224 ,  H01L31/0376

CPC classification number: H01L31/02167 ,  H01L31/02168 ,  H01L31/022425 ,  H01L31/022441 ,  H01L31/02366 ,  H01L31/0288 ,  H01L31/03529 ,  H01L31/0368 ,  H01L31/0376 ,  H01L31/068 ,  H01L31/0682 ,  H01L31/072 ,  H01L31/0747 ,  H01L31/1804 ,  Y02E10/547

Abstract: A solar cell includes a substrate; a first passivation layer on a first surface of the substrate; a first field region on the first surface of the substrate; an anti-reflection layer on the first passivation layer; a second passivation layer on a second surface of the substrate; an emitter region on the second passivation layer, the emitter region forming a p-n junction and a hetero-junction junction with the substrate; a second field region on the second passivation layer, the second field region forming a hetero-junction with the substrate; a first electrode contacted to the emitter region; a second electrode contacted to the second field region; a spacing between the emitter region and the second field region; and a third passivation layer on the second surface of the substrate at the spacing.

Abstract translation: 太阳能电池包括基板; 在所述基板的第一表面上的第一钝化层; 在所述基板的第一表面上的第一场区; 在第一钝化层上的抗反射层; 在所述衬底的第二表面上的第二钝化层; 在所述第二钝化层上的发射极区域，所述发射极区域与所述衬底形成p-n结和异质结结; 在所述第二钝化层上的第二场区，所述第二场区与所述衬底形成异质结; 与发射极区域接触的第一电极; 与第二场区接触的第二电极; 发射极区域和第二场区域之间的间隔; 以及在所述基板的所述第二表面上的间隔处的第三钝化层。