公开(公告)号：USRE46515E1

公开(公告)日：2017-08-15

申请号：US14843778

申请日：2015-09-02

Applicant: LG ELECTRONICS INC.

Inventor： Kwangsun Ji ,  Heonmin Lee ,  Hojung Syn ,  Wonseok Choi ,  Junghoon Choi ,  Hyunjin Yang

IPC: H01L31/00 ,  H01L31/0216 ,  H01L31/0224 ,  H01L31/0352 ,  H01L31/04 ,  H01L31/042 ,  H01L31/072 ,  H01L31/0747 ,  H01L31/0376 ,  H01L31/0368 ,  H01L31/068 ,  H01L31/18

CPC classification number: H01L31/02167 ,  H01L31/022441 ,  H01L31/0747 ,  Y02E10/50

Abstract: A solar cell is discussed. The solar cell includes a substrate of a first conductive type, an emitter region of a second conductive type opposite the first conductive type that is positioned on the substrate, a first field region of the first conductive type that is positioned on the substrate to be separated from the emitter region, a first electrode electrically connected to the emitter region, a second electrode electrically connected to the first field region, and an insulating region positioned on at least one of the emitter region and the first field region.

公开(公告)号：US09520517B2

公开(公告)日：2016-12-13

申请号：US14542206

申请日：2014-11-14

Applicant: LG Electronics Inc.

Inventor： Hyunjin Yang ,  Heonmin Lee ,  Junghoon Choi ,  Kwangsun Ji

IPC: H01L31/0216 ,  H01L31/0368 ,  H01L31/068 ,  H01L31/0747 ,  H01L31/0224 ,  H01L31/077

CPC classification number: H01L31/0368 ,  H01L31/02167 ,  H01L31/022466 ,  H01L31/03682 ,  H01L31/0682 ,  H01L31/0747 ,  H01L31/077 ,  Y02E10/546 ,  Y02E10/547

Abstract: A solar cell including a non-amorphous semiconductor substrate of a first conductive type; at least a first semiconductor layer on the non-amorphous semiconductor substrate, the first semiconductor layer including a portion that is amorphous and a plurality of portions having crystal lumps, so that the plurality of portions having the crystal lumps are distributed in the first semiconductor layer; a first electrode on the semiconductor substrate; and a second electrode on the semiconductor substrate.

Abstract translation: 一种太阳能电池，包括第一导电类型的非非晶半导体衬底; 在所述非非晶半导体基板上的至少第一半导体层，所述第一半导体层包括非晶体的部分和具有晶体块的多个部分，使得具有所述晶体块的所述多个部分分布在所述第一半导体层 ; 半导体衬底上的第一电极; 以及半导体衬底上的第二电极。

公开(公告)号：US10224453B2

公开(公告)日：2019-03-05

申请号：US14931591

申请日：2015-11-03

Applicant: LG ELECTRONICS INC.

Inventor： Kwangsun Ji ,  Jin-won Chung ,  Yujin Lee

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

Abstract: A solar cell and a method for manufacturing the same are disclosed. The solar cell includes a semiconductor substrate containing impurities of a first conductive type, a tunnel layer positioned on the semiconductor substrate, an emitter region positioned on the tunnel layer and containing impurities of a second conductive type opposite the first conductive type, a dopant layer positioned on the emitter region and formed of a dielectric material containing impurities of the second conductive type, a first electrode connected to the semiconductor substrate, and a second electrode configured to pass through the dopant layer and connected to the emitter region.

公开(公告)号：US10714654B2

公开(公告)日：2020-07-14

申请号：US16250694

申请日：2019-01-17

Applicant: LG ELECTRONICS INC.

Inventor： Kwangsun Ji ,  Jin-won Chung ,  Yujin Lee

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

Abstract: A solar cell includes a semiconductor substrate containing impurities of a first conductive type; a tunnel layer positioned on the semiconductor substrate; an emitter region positioned on the tunnel layer and containing impurities of a second conductive type opposite the first conductive type; a dopant layer positioned on the emitter region and formed of a dielectric material containing impurities of the second conductive type; a first electrode connected to the semiconductor substrate; and a second electrode configured to pass through the dopant layer, and connected to the emitter region.

公开(公告)号：US10749069B2

公开(公告)日：2020-08-18

申请号：US16250681

申请日：2019-01-17

Applicant: LG ELECTRONICS INC.

Inventor： Kwangsun Ji ,  Jin-won Chung ,  Yujin Lee

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

Abstract: A method for manufacturing a solar cell, includes forming an oxide layer on first surface of a single crystalline silicon substrate; forming a poly crystalline silicon layer doped with a first dopant having a first conductive type on the oxide layer; diffusing a second dopant having a second conductive type opposite to the first conductive type into a second surface of the single crystalline silicon substrate thereby forming a diffusion region; forming a first passivation layer on the poly crystalline silicon layer; forming a second passivation layer on the diffusion region; forming a first electrode connected to the poly crystalline silicon layer by printing a first paste on the first passivation layer and firing through; forming a second electrode connected to the diffusion region by printing a second paste on the second passivation layer and firing through.

公开(公告)号：US10658529B2

公开(公告)日：2020-05-19

申请号：US14297330

申请日：2014-06-05

Applicant: LG ELECTRONICS INC.

Inventor： Kwangsun Ji ,  Seungjik Lee ,  Sehwon Ahn

IPC: H01L31/0224 ,  H01L21/30 ,  H01L31/0745 ,  H01L31/18 ,  H01L31/0747

Abstract: A manufacturing method of a solar cell is discussed. The manufacturing method of the solar cell includes forming a tunneling layer on one surface of a semiconductor substrate, forming a semiconductor layer on the tunneling layer, doping the semiconductor layer with a first conductive dopant and a second conductive dopant to form a first conductive semiconductor layer and a second conductive semiconductor layer, and diffusing hydrogen into the first and second conductive semiconductor layers to hydrogenate the first and second conductive semiconductor layers.

公开(公告)号：US10600926B2

公开(公告)日：2020-03-24

申请号：US16393591

申请日：2019-04-24

Applicant: LG ELECTRONICS INC.

Inventor： Kwangsun Ji ,  Sehwon Ahn

IPC: H01L31/0224 ,  H01L31/18 ,  H01L31/02 ,  H01L31/0352 ,  H01L31/068

Abstract: A solar cell includes a semiconductor substrate, a first semiconductor region positioned at a front surface or a back surface of the semiconductor substrate and doped with impurities of a first conductive type, a first electrode on the first semiconductor region, a second electrode on the back surface of the semiconductor substrate, and a second semiconductor region positioned between the semiconductor substrate and the second electrode and doped with impurities of a second conductive type opposite the first conductive type, wherein the second electrode is formed of a metal foil, and an air gap is formed between the second electrode formed of the metal foil and the back surface of the semiconductor substrate.

公开(公告)号：US10573770B2

公开(公告)日：2020-02-25

申请号：US15097897

申请日：2016-04-13

Applicant: LG ELECTRONICS INC.

Inventor： Sunho Kim ,  Heonmin Lee ,  Kwangsun Ji ,  Youngjoo Eo ,  Junghoon Choi ,  Sehwon Ahn

IPC: H01L31/18 ,  H01L31/0376 ,  H01L31/20 ,  H05K3/18 ,  C25D7/12 ,  H01L31/0224 ,  H01L31/02 ,  H01L31/0216 ,  H01L31/0236 ,  H05K3/24

Abstract: Discussed is a method of manufacturing a solar cell including preparing a single crystalline silicon substrate having a first conductive type impurity; forming a non-single crystalline silicon emitter layer having a second conductive type impurity opposite to the first conductive type impurity on a first surface of the single crystalline silicon substrate; forming a first transparent conductive oxide layer on the first surface of the single crystalline silicon substrate; forming a first electrode electrically connected to the first transparent conductive oxide layer; and forming a second electrode electrically connected to the single crystalline silicon substrate, wherein the forming of the first electrode includes; forming a first seed layer on the first transparent conductive oxide layer, and forming a first plating layer over the first seed layer by plating a first conductive material.

公开(公告)号：USRE47484E1

公开(公告)日：2019-07-02

申请号：US15640956

申请日：2017-07-03

Applicant: LG ELECTRONICS INC.

Inventor： Kwangsun Ji ,  Heonmin Lee ,  Hojung Syn ,  Wonseok Choi ,  Junghoon Choi ,  Hyunjin Yang

IPC: H01L31/00 ,  H01L31/0216 ,  H01L31/0747 ,  H01L31/0224

Abstract: A solar cell is discussed. The solar cell includes a substrate of a first conductive type, an emitter region of a second conductive type opposite the first conductive type that is positioned on the substrate, a first field region of the first conductive type that is positioned on the substrate to be separated from the emitter region, a first electrode electrically connected to the emitter region, a second electrode electrically connected to the first field region, and an insulating region positioned on at least one of the emitter region and the first field region.

公开(公告)号：US10312386B2

公开(公告)日：2019-06-04

申请号：US15416673

申请日：2017-01-26

Applicant: LG ELECTRONICS INC.

Inventor： Kwangsun Ji ,  Sehwon Ahn

IPC: H01L31/0224 ,  H01L31/18 ,  H01L31/0352 ,  H01L31/02 ,  H01L31/068

Abstract: A solar cell and a method of manufacturing the same are disclosed. The solar cell includes a semiconductor substrate, a first semiconductor region positioned at a front surface or a back surface of the semiconductor substrate and doped with impurities of a first conductive type, a first electrode connected to the first semiconductor region, and a second electrode connected to the back surface of the semiconductor substrate. The second electrode is formed of a metal foil, and an air gap is formed between the second electrode formed of the metal foil and the back surface of the semiconductor substrate.