公开(公告)号：US20230135290A1

公开(公告)日：2023-05-04

申请号：US17798798

申请日：2020-03-23

Applicant: LG ELECTRONICS INC.

Inventor： Wonseok CHOI ,  Soohyun KIM ,  Sungmin PARK

IPC: H01L27/15 ,  H01L33/00 ,  H01L33/40 ,  H01L33/62

Abstract: Discussed is a display device that can include a base unit, a data wire and a gate wire arranged in columns and rows, respectively, and on the base unit to intersect each other, a power wire extending in a same direction as the data wire, thin film transistors connected to the data wire and the gate wire, and a semiconductor light-emitting diode electrically connected to the thin film transistors. A pair of residual assembly electrodes overlapping the semiconductor light-emitting diode are also provided.

公开(公告)号：US20180248059A1

公开(公告)日：2018-08-30

申请号：US15904019

申请日：2018-02-23

Applicant: LG ELECTRONICS INC.

Inventor： Soohyun KIM ,  Gunho KIM ,  Hyun LEE ,  Wonseok CHOI ,  Younho HEO

IPC: H01L31/0352 ,  H01L31/0224 ,  H01L31/18 ,  H01L31/0735

CPC classification number: H01L31/035281 ,  H01L31/022425 ,  H01L31/0735 ,  H01L31/184 ,  H01L31/1844 ,  H01L31/186 ,  H01L31/1892 ,  Y02E10/544 ,  Y02P70/521

Abstract: A compound semiconductor solar cell and a method of manufacturing the same are disclosed. The compound semiconductor solar cell includes a compound semiconductor layer, a front electrode positioned on a front surface of the compound semiconductor layer, a back electrode positioned on a back surface of the compound semiconductor layer, a defect portion disposed within the compound semiconductor layer and physically and electrically connected to the back electrode, and an isolation portion surrounding the defect portion.

公开(公告)号：US20230110862A1

公开(公告)日：2023-04-13

申请号：US17904506

申请日：2020-02-25

Applicant: LG ELECTRONICS INC.

Inventor： Youngdo KIM ,  Soohyun KIM ,  Indo CHUNG ,  Jeonghyo KWON ,  Junoh SHIN

IPC: H01L33/38 ,  H01L25/075 ,  H01L33/62

Abstract: A display apparatus according to the present invention comprises a substrate including semiconductor light-emitting devices and a wiring electrode electrically connected to the semiconductor light-emitting devices, wherein the substrate comprises: a base portion; assembly electrodes extending in one direction and arranged on the base portion; a dielectric layer formed to cover the assembly electrodes; a barrier portion formed on the dielectric layer while forming a cell on which the semiconductor light-emitting devices are mounted along an extension direction of the assembly electrodes; and a planarization layer formed to cover the barrier portion while forming a hole overlapping the cell, wherein the hole comprises: a first hole exposing the semiconductor light-emitting device; and a second hole exposing the dielectric layer or the base portion.

公开(公告)号：US20230084381A1

公开(公告)日：2023-03-16

申请号：US17798211

申请日：2020-02-17

Applicant: LG ELECTRONICS INC.

Inventor： Soohyun KIM ,  Kiseong JEON ,  Jaewon CHANG ,  Hyunho LEE

IPC: H01L25/075 ,  H01L33/62

Abstract: The present invention relates to a display device, and more particularly, to a display device using semiconductor light-emitting devices of several micrometers to tens of micrometers in size. The present invention provides a display device comprising: a base part; a plurality of assembly electrodes which is arranged on the base part and which generates an electric field when power is applied thereto; a dielectric layer formed to cover the assembly electrodes; and a plurality of semiconductor light-emitting devices arranged on the dielectric layer; wherein each of the semiconductor light-emitting devices comprises: a first assembly control layer formed at a portion of the whole area of one surface facing the dielectric layer; and a second assembly control layer formed at the other portion of the whole area of the one surface facing the dielectric layer, and made of a material different from that of the first assembly control layer.

公开(公告)号：US20210265541A1

公开(公告)日：2021-08-26

申请号：US17153592

申请日：2021-01-20

Applicant: LG ELECTRONICS INC.

Inventor： Soohyun KIM ,  Wonseok CHOI ,  Sungmin PARK

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

Abstract: Discussed are a display device and a method of manufacturing the same, and more particularly, to a display device including a semiconductor light emitting device having a size of several μm to several tens of μm and a method of manufacturing the same. The present disclosure provides a display device, including a base portion, a plurality of transistors disposed on the base portion, a plurality of semiconductor light emitting devices disposed on the base portion, a plurality of wiring electrodes disposed on the base portion, and electrically connected to the plurality of transistors and the plurality of semiconductor light emitting devices, a partition wall disposed on the base portion, and formed to cover the plurality of transistors, and a connection electrode connecting some of the plurality of transistors and some of the plurality of wiring electrodes, wherein the connection electrode is configured to pass through the partition wall.

公开(公告)号：US20190152045A1

公开(公告)日：2019-05-23

申请号：US16238796

申请日：2019-01-03

Applicant: LG ELECTRONICS INC.

Inventor： Hwang KIM ,  Sungil PARK ,  Soohyun KIM ,  Byungho YOON ,  Sanghoon HAN ,  Youngjun JEON

IPC: B25J5/00 ,  B62D57/024 ,  B25J11/00 ,  B62D55/075 ,  A47L11/40

CPC classification number: B25J5/005 ,  A47L11/4011 ,  A47L11/4061 ,  A47L2201/04 ,  B25J11/0075 ,  B25J11/0085 ,  B62D55/075 ,  B62D57/024 ,  Y10S901/01

Abstract: A moving robot includes a main body, a drive assembly moving the main body, and a cleaner head performing cleaning on a cleaning area in which the main body is positioned, wherein the drive assembly includes a plurality of pulleys, a motor connected to any one of the plurality of pulleys and generating a driving force, a belt rotated in contact with the plurality of pulleys, and a support shaft connected to some of the plurality of pulleys and changing a position of the pulley such that an area in which the belt is in contact with a ground or an obstacle is maintained to be equal to or greater than a reference area.

公开(公告)号：US20180182912A1

公开(公告)日：2018-06-28

申请号：US15853237

申请日：2017-12-22

Applicant: LG Electronics Inc.

Inventor： Wonseok CHOI ,  Jinhee PARK ,  Soohyun KIM ,  Wonki YOON ,  Heonmin LEE

IPC: H01L31/0735 ,  H01L31/0304 ,  H01L31/0216 ,  H01L31/0725

CPC classification number: H01L31/0735 ,  H01L31/02168 ,  H01L31/03046 ,  H01L31/0725 ,  Y02E10/544

Abstract: A compound semiconductor solar cell that includes: a light absorbing layer; a first electrode; and a second electrode, wherein the light absorbing layer includes; a first semiconductor layer having a first band gap, a second semiconductor layer having a second band gap being larger than the first band gap and forming a hetero junction with the first semiconductor layer, and including a first material and a second material, and wherein in the junction buffer layer, a concentration of the first material on a surface in contact with the second semiconductor layer is larger than the concentration of the first material on a surface in contact with the first semiconductor layer, and a concentration of the second material on the surface in contact with the second semiconductor layer is smaller than the concentration of the second material on the surface in contact with the first semiconductor layer is disclosed.

公开(公告)号：US20170239809A1

公开(公告)日：2017-08-24

申请号：US15436189

申请日：2017-02-17

Applicant: LG ELECTRONICS INC.

Inventor： Hwang KIM ,  Sungil PARK ,  Soohyun KIM ,  Byungho YOON ,  Sanghoon HAN ,  Youngjun JEON

IPC: B25J5/00 ,  B25J11/00 ,  A47L11/40 ,  B62D55/075

CPC classification number: B25J5/005 ,  A47L11/4011 ,  A47L11/4061 ,  A47L2201/04 ,  B25J11/0075 ,  B25J11/0085 ,  B62D55/075 ,  B62D57/024 ,  Y10S901/01

Abstract: A moving robot includes a main body, a drive assembly moving the main body, and a cleaner head performing cleaning on a cleaning area in which the main body is positioned, wherein the drive assembly includes a plurality of pulleys, a motor connected to any one of the plurality of pulleys and generating a driving force, a belt rotated in contact with the plurality of pulleys, and a support shaft connected to some of the plurality of pulleys and changing a position of the pulley such that an area in which the belt is in contact with a ground or an obstacle is maintained to be equal to or greater than a reference area.

公开(公告)号：US20140174517A1

公开(公告)日：2014-06-26

申请号：US14078702

申请日：2013-11-13

Applicant: LG ELECTRONICS INC.

Inventor： Soohyun KIM ,  Heonmin LEE ,  Hyun LEE ,  Jinwon CHUNG

IPC: H01L31/078 ,  H01L31/18

CPC classification number: H01L31/078 ,  H01L31/068 ,  H01L31/0687 ,  H01L31/1804 ,  Y02E10/544 ,  Y02E10/547 ,  Y02P70/521

Abstract: A solar cell includes a first photoelectric conversion unit based on crystalline semiconductor, a second photoelectric conversion unit on the first photoelectric conversion unit and including a plurality of conversion portions based on amorphous semiconductor, a bonding layer disposed between the first and second photoelectric conversion units to connect the first photoelectric conversion unit to the second photoelectric conversion unit, and electrodes electrically connected respectively to the first and second photoelectric conversion units.

Abstract translation: 太阳能电池包括：基于结晶半导体的第一光电转换单元，在第一光电转换单元上的第二光电转换单元，并且包括基于非晶半导体的多个转换部分，配置在第一和第二光电转换单元之间的接合层， 将第一光电转换单元连接到第二光电转换单元，以及分别与第一和第二光电转换单元电连接的电极。

公开(公告)号：US20230375879A1

公开(公告)日：2023-11-23

申请号：US18247782

申请日：2020-10-06

Applicant: LG ELECTRONICS INC.

Inventor： Sungmin PARK ,  Wonseok CHOI ,  Soohyun KIM

IPC: G02F1/13357 ,  H01L27/12

CPC classification number: G02F1/133611 ,  G02F1/133603 ,  H01L27/124 ,  H01L25/167

Abstract: The present invention is applicable to a display device-related technical field, and relates to, for example, a flat lighting device and a display device using a light-emitting diode (LED). The present invention relates to a display device including a plurality of individual unit compartment regions, comprising: at least one light-emitting diode provided in the individual unit compartment regions; a gate-on voltage line connected to the light-emitting diode; a first scan line for applying a common voltage to the plurality of individual unit compartment regions; a second scan line for applying a voltage inverted from the common voltage to the plurality of individual unit compartment regions; a data line for applying individual switching voltages to the plurality of individual unit compartment regions; a driving unit including a driving MOSFET device connected to the light-emitting diode; and a switching unit including a switching MOSFET device connected to the first scan line and the data line to perform a switching operation.