公开(公告)号：US20230005887A1

公开(公告)日：2023-01-05

申请号：US17780873

申请日：2019-12-03

Applicant: LG ELECTRONICS INC.

Inventor： Jeonghyo KWON ,  Soohyun KIM ,  Indo CHUNG

IPC: H01L25/075 ,  H01L33/44 ,  H01L33/62

Abstract: Discussed is a display device including a base portion; assembly electrodes that extend in one direction and are disposed on the base portion at predetermined intervals; a dielectric layer deposited on the base portion to cover the assembly electrodes; a first wiring electrode that extends in the same direction as the assembly electrodes and is disposed on the dielectric layer so as not to overlap the assembly electrodes; a partition wall portion deposited on the dielectric layer while arranging cells at predetermined intervals to overlap the assembly electrodes and the first wiring electrode along an extension direction of the assembly electrodes; and semiconductor light-emitting elements seated in the cells, respectively, wherein a solder layer electrically connecting a semiconductor light-emitting element seated in a cell and the first wiring electrode overlapping the cell is filled in the cell from among the plurality semiconductor light emitting elements and the cells.

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：US20230307598A1

公开(公告)日：2023-09-28

申请号：US18021130

申请日：2020-08-21

Applicant: LG ELECTRONICS INC.

Inventor： Sungyun PARK ,  Kisu KIM ,  Jinsung KIM ,  Indo CHUNG

IPC: H01L33/62 ,  H01L25/075 ,  H01L23/00

CPC classification number: H01L33/62 ,  H01L25/0753 ,  H01L24/24 ,  H01L24/95 ,  H01L2224/24145 ,  H01L2224/95133 ,  H01L2924/12041

Abstract: A display device can include a base part; first electrodes which extend in one direction and which are formed on the base part at certain intervals; an insulating layer formed on the base part to cover the first electrodes; second electrodes which extend in the same direction as the first electrodes and which are formed on the insulating layer so as to be arranged between the first electrodes; a partition part stacked on the insulating layer and the second electrodes while forming assembly holes so as to be overlapped on the first electrodes and the second electrodes; semiconductor light-emitting elements placed in the assembly holes; and third electrodes arranged on the partition part. The semiconductor light-emitting elements are not electrically connected to the first electrodes and are electrically connected to the second electrodes and the third electrodes.

公开(公告)号：US20220352446A1

公开(公告)日：2022-11-03

申请号：US17638444

申请日：2019-08-30

Applicant: LG ELECTRONICS INC.

Inventor： Indo CHUNG ,  Jeonghyo KWON ,  Dohan KIM

IPC: H01L33/62 ,  H01L33/00 ,  H01L33/38 ,  H01L27/15

Abstract: The present specification provides a new type of a display device in which a wiring process is easily performed after a semiconductor light emitting element having a vertical structure is assembled on a substrate. Here, a semiconductor light emitting device according to an embodiment of the present invention is characterized by comprising: a substrate; a wiring electrode positioned on the substrate; a dielectric film positioned on the wiring electrode; an assembly electrode positioned on the dielectric film; an assembly insulating film positioned on the assembly electrode; a partition wall positioned on the assembly insulting film and defining an assembly groove to which a semiconductor light emitting element is assembled; and the semiconductor light emitting element which is assembled to the assembly groove and provided with conductive electrodes on both ends thereof, wherein the wiring electrode is provided with a protrusion portion, and the protrusion portion protrudes toward the assembly groove and is electrically connected to the conductive electrode on one end of the semiconductor light emitting element.

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：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：US20230049446A1

公开(公告)日：2023-02-16

申请号：US17794395

申请日：2020-02-12

Applicant: LG ELECTRONICS INC.

Inventor： Soohyun KIM ,  Sungyun PARK ,  Indo CHUNG ,  Jeonghyo KWON

IPC: H01L25/075 ,  H01L33/62

Abstract: The present invention relates to a display apparatus, specifically to a display apparatus using semiconductor light-emitting elements of a few micrometers to tens of micrometers in size. The present invention provides a display apparatus comprising: a base part; a partition part having a plurality of grooves; a plurality of semiconductor light-emitting elements arranged on the base part and mounted in the plurality of grooves; first and second wiring electrodes arranged on one side and the other side of each of the semiconductor light-emitting elements, respectively; an assembly electrode arranged on the base part and arranged on the one side of each of the semiconductor light-emitting elements; and a dielectric layer arranged on the base part and arranged between the assembly electrode and the first wiring electrode, wherein each of the plurality of grooves includes at least one recess portion formed in the horizontal direction with respect to the base part.

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。