公开(公告)号：US20230130868A1

公开(公告)日：2023-04-27

申请号：US17971422

申请日：2022-10-21

Applicant: LG ELECTRONICS INC.

Inventor： Dohwan YANG ,  Hongcheol LEE ,  Youngdo KIM

IPC: H01L33/62 ,  H01L25/075

Abstract: A display device can include first and second assembly electrodes spaced apart from each other on the substrate, an insulating layer disposed between the first assembly electrode and the second assembly electrode, an assembly barrier wall disposed on the first assembly electrode, the second assembly electrode, the insulating layer and having an assembly hole, an annealed light-transmitting electrode layer disposed on the first assembly electrode and a semiconductor light emitting device disposed in contact with the annealed light-transmitting electrode layer.

公开(公告)号：US20230005888A1

公开(公告)日：2023-01-05

申请号：US17783731

申请日：2020-01-08

Applicant: LG ELECTRONICS INC.

Inventor： Yongil SHIN ,  Dohee KIM ,  Dohwan YANG

IPC: H01L25/075 ,  H01L33/00

Abstract: A semiconductor light-emitting element supply device according to an embodiment of the present invention supplies semiconductor light-emitting elements in a fluid chamber in which self-assembly occurs, the semdconductor light-emitting element supply device comprising: a tray disposed in the fluid chamber; a transfer unit which includes a magnet and a magnet accommodating part for accommodating the magnet and which transfers the semiconductor light-emitting elements by using magnetic force; a supply unit disposed above the tray to supply the transferred semiconductor light-emitting elements to the tray; and a control unit for controlling operations of the tray, the transfer unit and the supply unit, wherein the control unit controls the position of the magnet accommodated in the magnet accommodating part so that the semiconductor light-emitting elements are adhered on one surface of the magnet accommodating part or the adhered semiconductor light-emittng elements are separated from the one surface of the magnet accommodating part.

公开(公告)号：US20220367423A1

公开(公告)日：2022-11-17

申请号：US17638163

申请日：2019-09-03

Applicant: LG ELECTRONICS INC.

Inventor： Dohwan YANG ,  Dohee KIM ,  Yongil SHIN ,  Bongchu SHIM

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

Abstract: A device for collecting semiconductor light emitting diodes according to an embodiment of the present disclosure includes an electromagnet portion disposed in a fluid chamber into which semiconductor light emitting diodes including a magnetic material are put to form a magnetic field when power is applied, a power supply portion connected to the electromagnet portion and applying power to the electromagnet portion, and a driving portion moving the electromagnet portion in a width direction, in a longitudinal direction, and in a height direction of the fluid chamber, in which the electromagnet portion guides the semiconductor light emitting devices to a surface on which a magnetic field is formed when power is applied.

公开(公告)号：US20220246593A1

公开(公告)日：2022-08-04

申请号：US17616125

申请日：2019-06-11

Applicant: LG ELECTRONICS INC.

Inventor： Bongchu SHIM ,  Dohee KIM ,  Yongil SHIN ,  Dohwan YANG

IPC: H01L25/16 ,  H01L23/00 ,  H01L33/00 ,  H01L27/12

Abstract: A method for manufacturing a display device can include forming an assembly electrode on a substrate; applying an insulating layer on the assembly electrode; disposing a partition wall on the insulating layer; defining an assembly groove in the partition wall; providing an light emitting diode (LED) having an assembly face corresponding to a shape of the assembly groove in the partition wall; and assembling the assembly face of the LED into the assembly groove in the partition wall, in which the LED includes a first electrode, a first semiconductor layer, an active layer, a second semiconductor layer, and a second electrode stacked in a first direction to form a stacked structure.

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：US20230083951A1

公开(公告)日：2023-03-16

申请号：US17799080

申请日：2020-02-19

Applicant: LG ELECTRONICS INC.

Inventor： Dohee KIM ,  Dohwan YANG ,  Yongil SHIN

IPC: H01L21/673

Abstract: The present invention relates to a method of manufacturing a display device, and more particularly, to a chip tray for supplying a micro-LED. The present invention provides a chip tray for transporting semiconductor light emitting devices in a fluid contained in an assembly chamber. Specifically, the present invention includes a tray for accommodating a plurality of semiconductor light emitting devices, a chip supply unit configured to supply a plurality of semiconductor light emitting devices to the tray unit and a nozzle unit disposed on the tray unit and configured to supply the semiconductor light emitting devices accommodated in the chip supply unit onto the tray unit. And the nozzle unit includes holes formed at predetermined intervals on the tray unit to supply the semiconductor light emitting devices at predetermined intervals.

公开(公告)号：US20180182905A1

公开(公告)日：2018-06-28

申请号：US15849060

申请日：2017-12-20

Applicant: LG Electronics Inc.

Inventor： Jeongbeom NAM ,  Joohyun KOH ,  Jisoo KO ,  Dohwan YANG

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

CPC classification number: H01L31/02167 ,  H01L31/022441 ,  H01L31/02363 ,  H01L31/0352 ,  H01L31/0516 ,  H01L31/0745 ,  H01L31/0747 ,  H01L31/1868 ,  Y02E10/50 ,  Y02P70/521

Abstract: Disclosed is a solar cell including a plurality of first electrodes electrically connected to a plurality of first conductive regions; and a plurality of second electrodes electrically connected to a plurality of second conductive regions. The plurality of first conductive regions and the plurality of second conductive regions are spaced apart from an edge of a semiconductor substrate by a first interval, the plurality of first conductive regions and the plurality of second conductive regions are spaced apart from each other in a second direction crossing a first direction by a second interval, and the second interval is the same as or less than the first interval.

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：US20230361077A1

公开(公告)日：2023-11-09

申请号：US18038136

申请日：2020-11-23

Applicant: LG ELECTRONICS INC.

Inventor： Byungjun KANG ,  Imdeok JUNG ,  Philwon YOON ,  Sungyun PARK ,  Dohwan YANG ,  Junghoon KIM

IPC: H01L23/00 ,  H01L21/683 ,  H01L21/677 ,  H01L21/67 ,  H01L25/075

CPC classification number: H01L24/97 ,  H01L21/6835 ,  H01L21/67742 ,  H01L21/67144 ,  H01L21/67754 ,  H01L21/67757 ,  H01L25/0753 ,  H01L2224/95085 ,  H01L2224/95101 ,  H01L2224/95144 ,  H01L2924/12041 ,  H01L2224/97

Abstract: Discussed is a self-assembly apparatus that can include a chamber, at least one first supply part configured to supply a fluid to the chamber, a mounting part disposed on a first side of the chamber to mount a substrate to be inclined with respect to a horizontal plane of the chamber, the substrate having an assembly surface, and a magnet module disposed on an opposite surface of the substrate opposite to the assembly surface of the substrate, wherein the mounting part is configured to: insert the substrate into an upper side of the chamber, guide the inserted substrate from the upper side of the chamber toward a lower side of the chamber, and fix the guided substrate to the lower side of the chamber

公开(公告)号：US20230268214A1

公开(公告)日：2023-08-24

申请号：US18023998

申请日：2020-09-22

Applicant: LG ELECTRONICS INC.

Inventor： Yongil SHIN ,  Jinhyung LEE ,  Dohee KIM ,  Dohwan YANG ,  Kisu KIM

IPC: H01L21/68

CPC classification number: H01L21/68 ,  H01L33/0093

Abstract: A method for manufacturing a display device according to the present invention is characterized by comprising the steps of: supplying semiconductor light-emitting elements in a first chamber containing a fluid; disposing a distribution device, in which a plurality of magnets are arranged, on one side of the first chamber; rotating the distribution device such that the semiconductor light-emitting elements form a continuous pattern along the arrangement direction of the plurality of magnets; and stopping the distribution device such that the semiconductor light-emitting elements are distributed to a plurality of dummies, wherein in the step of stopping the distribution device, the plurality of dummies are formed at positions corresponding to the plurality of magnets.