公开(公告)号：US20240055412A1

公开(公告)日：2024-02-15

申请号：US18232042

申请日：2023-08-09

Applicant: LG ELECTRONICS INC.

Inventor： Myoungsoo KIM ,  Changseo PARK ,  Gunho KIM ,  Jungsub KIM

IPC: H01L25/075 ,  H01L33/38 ,  H01L33/00

CPC classification number: H01L25/0753 ,  H01L33/38 ,  H01L33/0075 ,  H01L33/0093 ,  H01L33/44

Abstract: Discussed is a semiconductor light emitting device package for a display pixel The semiconductor light emitting device package can include a first semiconductor light emitting device of a first color having a first material and a second semiconductor light emitting device of a second color having a second material disposed on the first semiconductor light emitting device. The first semiconductor light emitting device can include a first semiconductor light emitting structure having an inner recess, and a first-first electrode and first-second electrode layer electrically connected to a first side and a second side of the first semiconductor light emitting structure, respectively. The second semiconductor light emitting device can be disposed in the inner recess of the first semiconductor light emitting device.

公开(公告)号：US20240038930A1

公开(公告)日：2024-02-01

申请号：US18266081

申请日：2020-12-09

Applicant: LG ELECTRONICS INC.

Inventor： Jungsub KIM ,  Gunho KIM ,  Yoonchul KIM ,  Jisoo KO

IPC: H01L33/20 ,  H01L25/075 ,  H01L33/00

CPC classification number: H01L33/20 ,  H01L25/0753 ,  H01L33/0093

Abstract: A display device according to the present invention comprises: a wiring board including a plurality of pixel areas; and semiconductor light-emitting devices disposed in the pixel areas, wherein the pixel areas include semiconductor light-emitting devices having different shapes and emitting different colors, and wherein the wiring board has two or more pixel areas having different arrangements of the semiconductor light-emitting devices. The present invention may be used as an align key when manufacturing a display device by varying the arrangement of semiconductor light-emitting devices in some pixel areas.

公开(公告)号：US20230223383A1

公开(公告)日：2023-07-13

申请号：US17928240

申请日：2020-06-01

Applicant: LG ELECTRONICS INC.

Inventor： Jisoo KO ,  Kiseong JEON ,  Gunho KIM ,  Hyeyoung YANG

IPC: H01L25/075 ,  H01L33/00

CPC classification number: H01L25/0753 ,  H01L33/0093

Abstract: A display device manufacturing substrate according to the present disclosure comprises: a base part; assembly electrodes which extend in one direction and which are arranged on the base part; a dielectric layer formed on the base part to cover the assembly electrodes; a partitioning part formed on the dielectric layer; and cells which are formed in a plurality of rows and columns by means of the partitioning part, and on which semiconductor light-emitting elements are loaded, wherein the assembly electrodes extend in either the row direction or the column direction to overlap cells in the extending direction, and the assembly electrodes comprise a first assembly electrode overlapping cells that form one row or column, and a second assembly electrode simultaneously overlapping cells that form different rows or columns which are adjacent.

公开(公告)号：US20230060259A1

公开(公告)日：2023-03-02

申请号：US17736812

申请日：2022-05-04

Applicant: LG ELECTRONICS INC.

Inventor： Myoungsoo KIM ,  Changseo PARK ,  Gunho KIM ,  Minwoo LEE ,  Jungsub KIM

IPC: H01L25/075 ,  H01L33/38

Abstract: An overlapping assembly substrate structure for semiconductor light emitting devices, includes a first assembly substrate structure and a second assembly substrate structure disposed spaced apart from each other. The first assembly substrate structure can include a first electrode and a second electrode spaced apart by a first distance and a first partition wall having a circular first assembly hole to accommodate a semiconductor light emitting device having a circular shape. Further, the second assembly substrate structure can include a third electrode and a fourth electrode spaced apart by a second distance greater than the first distance and a second partition wall having an elliptical second assembly hole to accommodate a semiconductor light emitting device having an elliptical shape.

公开(公告)号：US20220328335A1

公开(公告)日：2022-10-13

申请号：US17618108

申请日：2020-02-11

Applicant: LG ELECTRONICS INC.

Inventor： Bongchu SHIM ,  Jinsung KIM ,  Hyunho LEE ,  Gunho KIM

IPC: H01L21/68 ,  H01L25/075 ,  H01L21/683

Abstract: Discussed is an assembly board for use in a method for manufacturing a display device which allows semiconductor light emitting diodes to be seated at preset positions on the assembly board using an electric field and a magnetic field, the assembly board including a base portion; a plurality of assembly electrodes extending in one direction and disposed on the base portion; a dielectric layer stacked on the base portion to cover the plurality of assembly electrodes; and barrier ribs having a plurality of grooves for guiding the semiconductor light emitting diodes to the preset positions and formed on the base portion, wherein each of the plurality of grooves is arranged to overlap only one assembly electrode of the plurality of assembly electrodes such that an electric field is formed between the plurality of grooves adjacent to each other.

公开(公告)号：US20180301575A1

公开(公告)日：2018-10-18

申请号：US15948231

申请日：2018-04-09

Applicant: LG ELECTRONICS INC.

Inventor： Soohyun KIM ,  Gunho KIM ,  Jinhee PARK ,  Wonki YOON

IPC: H01L31/0224

Abstract: The disclosure relates to a compound solar cell and manufacturing method therefor.According to one aspect of the subject matter described in this application, a method for manufacturing a front electrode of a compound solar cell comprises a step of forming a seed metal layer entirely on a front surface of a compound semiconductor layer, a step of forming a first mask layer covering the seed metal layer in the remaining region except a front electrode formation region, a step of forming a second mask layer on the first mask layer in the same pattern as the first mask layer, a step of forming an electrode metal layer on the seed metal layer in the front electrode formation region, a step of removing the seed metal layer under the first mask layer, and a step of forming a front electrode including the seed metal layer and the electrode metal layer positioned on the front electrode formation region by removing the first mask layer and the second mask layer.

公开(公告)号：US20180158975A1

公开(公告)日：2018-06-07

申请号：US15833692

申请日：2017-12-06

Applicant: LG Electronics Inc.

Inventor： Gunho KIM ,  Soohyun KIM

IPC: H01L31/056 ,  H01L31/0693 ,  H01L31/0224

CPC classification number: H01L31/056 ,  H01L31/02168 ,  H01L31/022425 ,  H01L31/0693 ,  Y02E10/52 ,  Y02E10/544

Abstract: According to an aspect of the present invention, there is provided a compound semiconductor solar cell, comprising: a light absorbing layer comprising a compound semiconductor; a first electrode positioned on a front surface of the light absorption layer; a first contact layer positioned between the light absorbing layer and the first electrode; a second electrode positioned on a rear surface of the light absorbing layer and having a sheet shape; and a second contact layer positioned between the light absorbing layer and the second electrode. The second contact layer is partially formed on the rear surface of the light absorbing layer on the projection surface, and the second electrode includes a first portion in direct contact with the second contact layer and a second portion located between the first portions.

公开(公告)号：US20130269771A1

公开(公告)日：2013-10-17

申请号：US13863991

申请日：2013-04-16

Applicant: LG ELECTRONICS INC.

Inventor： Hyeunseok CHEUN ,  Heonmin LEE ,  Wonki YOON ,  Gunho KIM

IPC: H01L31/0224

CPC classification number: H01L31/022483 ,  H01L31/022441 ,  H01L31/0747 ,  Y02E10/50

Abstract: A solar cell includes a substrate of a first conductive type, an emitter region which is positioned at a first surface of the substrate and has a second conductive type different from the first conductive type, a first surface field region which is positioned at the first surface of the substrate and separated from the emitter region, a first auxiliary electrode positioned directly on the emitter region, a second auxiliary electrode positioned directly on the first surface field region, a first main electrode positioned directly on the first auxiliary electrode, and a second main electrode positioned directly on the second auxiliary electrode. Each of the first and second auxiliary electrodes is a transparent conductive layer formed by doping a transparent conductive oxide layer with a conductive material.

Abstract translation: 太阳能电池包括第一导电类型的衬底，位于衬底的第一表面处并具有不同于第一导电类型的第二导电类型的发射极区域，位于第一表面的第一表面场区域 并且与发射极区分离，直接位于发射极区域上的第一辅助电极，直接位于第一表面场区域上的第二辅助电极，直接位于第一辅助电极上的第一主电极和第二主电极 电极直接位于第二辅助电极上。 第一和第二辅助电极中的每一个是通过用导电材料掺杂透明导电氧化物层而形成的透明导电层。