公开(公告)号：US11456391B2

公开(公告)日：2022-09-27

申请号：US16456575

申请日：2019-06-28

Applicant: LG ELECTRONICS INC.

Inventor： Jaewon Chang ,  Kyungjin Shim ,  Hyunjung Park ,  Junghoon Choi

IPC: H01L31/0747 ,  H01L31/0216 ,  H01L31/18 ,  C23C16/24 ,  H01L21/48

Abstract: A solar cell includes a silicon substrate, an emitter area formed on a front surface of the silicon substrate, a tunneling oxide layer formed on a back surface of the silicon substrate, a back surface field area formed on the tunneling oxide layer and formed of a polycrystalline silicon layer, a back passivation film formed on the back surface field area and having an opening, and a back electrode connected to the back surface field area via the opening.

公开(公告)号：US11329172B2

公开(公告)日：2022-05-10

申请号：US16456607

申请日：2019-06-28

Applicant: LG ELECTRONICS INC.

Inventor： Jaewon Chang ,  Kyungjin Shim ,  Hyunjung Park ,  Junghoon Choi

IPC: H01L31/0216 ,  H01L31/0747 ,  H01L31/18 ,  C23C16/24 ,  H01L21/48

Abstract: A bi-facial solar cell includes a silicon substrate, a first doped region formed on a front surface of the silicon substrate, an oxide layer formed on a back surface of the silicon substrate, a second doped region formed on the oxide layer and formed of a polycrystalline silicon layer, a first passivation layer formed on the first doped region, a first anti-reflection layer formed on the first passivation layer, a plurality of first finger electrodes connected to the first doped region through a first opening in the first passivation layer and the first anti-reflection layer, a second passivation layer formed on the second doped region, a second anti-reflection layer formed on the second passivation layer, and a plurality of second finger electrodes connected to the second doped region through a second opening in the second passivation layer and the second anti-reflection layer.

公开(公告)号：US10424685B2

公开(公告)日：2019-09-24

申请号：US15950477

申请日：2018-04-11

Applicant: LG ELECTRONICS INC.

Inventor： Goohwan Shim ,  Changseo Park ,  Philwon Yoon ,  Yoonsil Jin ,  Jinsung Kim ,  Youngho Choe ,  Jaewon Chang

IPC: H01L31/02 ,  H01L31/18 ,  H01L31/0216 ,  H01L31/0224 ,  H01L31/068

Abstract: A method for manufacturing a solar cell includes forming an emitter layer on a first surface of a substrate, forming a back surface field layer on a second surface opposite the first surface of the substrate, forming a first anti-reflection layer on the emitter layer, forming a second anti-reflection layer on the back surface field layer, and forming a plurality of first electrodes each including a first metal seed layer and a first conductive layer on a plurality of first contact regions of the first anti-reflection film and a plurality of second electrodes each including a second metal seed layer and a second conductive layer on a plurality of second contact regions of the second anti-reflection film, the plurality of first contact regions being partially formed at the first anti-reflection layer and each having a first width.

公开(公告)号：US10090428B2

公开(公告)日：2018-10-02

申请号：US14146561

申请日：2014-01-02

Applicant: LG ELECTRONICS INC.

Inventor： Goohwan Shim ,  Changseo Park ,  Philwon Yoon ,  Yoonsil Jin ,  Jinsung Kim ,  Youngho Choe ,  Jaewon Chang

IPC: H01L31/042 ,  H01L31/18 ,  H01L31/0216 ,  H01L31/0224 ,  H01L31/068

Abstract: A solar cell and a method for manufacturing the same are disclosed. The solar cell may include a substrate, an emitter layer positioned at a first surface of the substrate, a first anti-reflection layer that is positioned on a surface of the emitter layer and may include a plurality of first contact lines exposing a portion of the emitter layer, a first electrode that is electrically connected to the emitter layer exposed through the plurality of first contact lines and may include a plating layer directly contacting the emitter layer, and a second electrode positioned on a second surface of the substrate.

公开(公告)号：US09972738B2

公开(公告)日：2018-05-15

申请号：US15004116

申请日：2016-01-22

Applicant: LG ELECTRONICS INC.

Inventor： Goohwan Shim ,  Changseo Park ,  Philwon Yoon ,  Yoonsil Jin ,  Jinsung Kim ,  Youngho Choe ,  Jaewon Chang

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

CPC classification number: H01L31/18 ,  H01L31/02168 ,  H01L31/022425 ,  H01L31/068 ,  H01L31/0684 ,  Y02E10/547

Abstract: A solar cell and a method for manufacturing the same are discussed. The solar cell may include a substrate, an emitter layer positioned at a first surface of the substrate, a first anti-reflection layer that is positioned on a surface of the emitter layer and may include a plurality of first contact lines exposing a portion of the emitter layer, a first electrode that is electrically connected to the emitter layer exposed through the plurality of first contact lines and may include a plating layer directly contacting the emitter layer, and a second electrode positioned on a second surface of the substrate.

公开(公告)号：US11801604B2

公开(公告)日：2023-10-31

申请号：US16652401

申请日：2019-05-08

Applicant: LG ELECTRONICS INC.

Inventor： Dong-Hoon Yi ,  Jaewon Chang

IPC: B25J9/16 ,  B25J13/08 ,  B25J19/02 ,  B25J19/04 ,  A47L9/00 ,  B25J11/00

CPC classification number: B25J9/1697 ,  B25J9/161 ,  B25J9/1664 ,  B25J9/1684 ,  B25J13/08 ,  B25J19/021 ,  B25J19/04 ,  A47L9/009 ,  A47L2201/04 ,  B25J11/0085

Abstract: The present invention relates to a robot and method for estimating an orientation on the basis of a vanishing point in a low-luminance image, and the robot for estimating an orientation on the basis of a vanishing point in a low-luminance image according to an embodiment of the present invention includes a camera unit configured to capture an image of at least one of a forward area and an upward area of the robot and an image processor configured to extract line segments from a first image captured by the camera unit by applying histogram equalization and a rolling guidance filter to the first image, calculate a vanishing point on the basis of the line segments, and estimate a global angle of the robot corresponding to the vanishing point.

公开(公告)号：US11482629B2

公开(公告)日：2022-10-25

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 ,  H01L31/18 ,  H01L21/48 ,  C23C16/24

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：US10784385B2

公开(公告)日：2020-09-22

申请号：US14341637

申请日：2014-07-25

Applicant: LG ELECTRONICS INC.

Inventor： Chulchae Choi ,  Changseo Park ,  Jinsung Kim ,  Jaewon Chang ,  Hyungseok Kim ,  Youngho Choe ,  Philwon Yoon

IPC: H01L31/0224 ,  H01L31/05 ,  H01L31/049 ,  H01L31/068

Abstract: A solar cell is disclosed. The solar cell includes a substrate of a first conductive type; a plurality of emitter layers having a second conductive type opposite the first conductive type, the plurality of emitter layers positioned in a first surface of the substrate and extended in a first direction in the first surface of the substrate; a plurality of surface field layers having the first conductive type more heavily doped than the substrate, the plurality of surface field layers positioned in the first surface of the substrate and extended in the first direction in the first surface of the substrate; a passivation layer positioned on the first surface of the substrate and including a plurality of first openings exposing portions of each of the plurality of surface field layers and a plurality of second openings exposing portions of each of the plurality of emitter layers; a plurality of first electrodes positioned in the plurality of first openings and contacting the plurality of surface field layers; a plurality of second electrodes positioned in the plurality of second openings and contacting the plurality of emitter layers; a plurality of first conductive members positioned on the plurality of first electrodes; and a plurality of second conductive members positioned on the plurality of second electrodes.

公开(公告)号：US10566483B2

公开(公告)日：2020-02-18

申请号：US15071923

申请日：2016-03-16

Applicant: LG ELECTRONICS INC.

Inventor： Jaewon Chang ,  Ilhyoung Jung ,  Jinah Kim ,  Hyunjung Park ,  Seunghwan Shim

IPC: H01L31/00 ,  H01L31/062 ,  H01L31/0224

Abstract: Disclosed is a solar cell including a semiconductor substrate, a first conductive area disposed on one surface of the semiconductor substrate, the first conductive area being of a first conductive type, a second conductive area of a second conductive type opposite to the first conductive type, a first electrode connected to the first conductive area, and a second electrode connected to the second conductive area. At least one of the first conductive area and the second conductive area is formed of a metal compound layer.

公开(公告)号：US10153390B2

公开(公告)日：2018-12-11

申请号：US15868076

申请日：2018-01-11

Applicant: LG ELECTRONICS INC.

Inventor： Jaewon Chang ,  Youngho Choe

IPC: H01L31/068 ,  H01L31/0224 ,  H01L31/0236

Abstract: A bifacial solar cell includes a substrate; a first conductive type region having a conductive type different from a conductive type of the substrate; a first insulating layer formed on the first conductive type region; a plurality of first electrodes contacting the first conductive type region through the first insulating layer and extended in a first direction; a plurality of first current collectors extended in a second direction crossing the first direction, wherein the plurality of first current collectors are electrically and physically connected to the plurality of first electrodes; a second conductive type region having a conductive type the same as the conductive type of the substrate, and having an impurity concentration that is higher than an impurity concentration of the substrate; a second insulating layer formed on the second conductive type region; a plurality of second electrodes contacting the second conductive type region through the second insulating layer and extended in the first direction; and a plurality of second current collectors extended in the second direction.