公开(公告)号：US20190088168A1

公开(公告)日：2019-03-21

申请号：US16129983

申请日：2018-09-13

Applicant: LG ELECTRONICS INC.

Inventor： Hwanjoon CHOI ,  Yonghan LEE

IPC: G09F9/33 ,  G09F9/30 ,  G09G3/20 ,  H01L33/62 ,  H01L25/075

CPC classification number: G09F9/33 ,  G09F9/301 ,  G09G3/2003 ,  H01L25/0753 ,  H01L33/32 ,  H01L33/62

Abstract: A display device including a plurality of vertical type semiconductor light-emitting diodes; a plurality of horizontal type semiconductor light-emitting diodes; a first wiring formed on a substrate and including a plurality of electrode lines, a first electrode line being connected with first conductive electrodes of the vertical type semiconductor light-emitting diodes and a second electrode line being connected with first conductive electrodes of the horizontal type semiconductor light-emitting diodes; a second wiring spaced apart from and crossing the first wiring and electrically connected with second conductive electrodes of the vertical type semiconductor light-emitting diodes; and a third wiring formed on the substrate, electrically connected with the second wiring, and connected with second conductive electrodes of the horizontal type semiconductor light-emitting diodes

公开(公告)号：US20170170151A1

公开(公告)日：2017-06-15

申请号：US15140147

申请日：2016-04-27

Applicant: LG ELECTRONICS INC.

Inventor： Byungjoon RHEE ,  Kyuhyun BANG ,  Hwanjoon CHOI

IPC: H01L25/075 ,  H01L33/54 ,  H01L33/62

CPC classification number: H01L25/0753 ,  G02F1/133305 ,  G06F1/1652 ,  H01L33/54 ,  H01L33/62 ,  H01L2933/0016 ,  H01L2933/0066

Abstract: A display device including a substrate including a wiring electrode; a plurality of semiconductor light emitting devices electrically connected to the wiring electrode; and an intermediate electrode extending along one direction to be electrically connected to conductive electrodes of adjoining semiconductor light emitting devices, covering the conductive electrodes, and facing the wiring electrode to be electrically connected to the wiring electrode.

公开(公告)号：US20170012026A1

公开(公告)日：2017-01-12

申请号：US15140306

申请日：2016-04-27

Applicant: LG ELECTRONICS INC.

Inventor： Hwanjoon CHOI

IPC: H01L25/075 ,  H01L33/32 ,  H01L33/50 ,  H01L33/60 ,  H01L33/62 ,  H01L23/538

CPC classification number: H01L25/0753 ,  H01L23/5386 ,  H01L33/32 ,  H01L33/505 ,  H01L33/60 ,  H01L33/62 ,  H01L2933/0066

Abstract: A display device including a plurality of semiconductor light emitting devices, each corresponding semiconductor light emitting device having a first conductive electrode, a second conductive electrode and a light-emitting surface configured to emit light; a first wiring line electrically connected to the first conductive electrode; and a second wiring line disposed to cross the first conductive electrode, and be electrically connected to the second conductive electrode. Further, the second wiring line is formed to surround a periphery of the light-emitting surface of the semiconductor light emitting devices to reflect light emitted by the light emitting devices toward a front surface of the display device.

Abstract translation: 一种显示装置，包括多个半导体发光器件，每个对应的半导体发光器件具有第一导电电极，第二导电电极和被配置为发光的发光表面; 电连接到第一导电电极的第一布线; 和与第一导电电极交叉设置的第二配线，与第二导电电极电连接。 此外，第二布线形成为围绕半导体发光器件的发光表面的周边，以将发光器件发射的光反射到显示器件的前表面。

公开(公告)号：US20250031506A1

公开(公告)日：2025-01-23

申请号：US18716047

申请日：2022-01-27

Applicant: LG ELECTRONICS INC.

Inventor： Taehoon KIM ,  Byungjoon RHEE ,  Hwanjoon CHOI

IPC: H01L33/62 ,  H01L23/00 ,  H01L25/16

Abstract: The present invention relates to a display apparatus using, for example, a micro light emitting diode (LED), and a manufacturing method therefor, wherein the apparatus and method can be applied to a technical field related to display apparatuses. In order to achieve the above objective, a display apparatus according to an embodiment of the present invention comprises: a substrate on which a plurality of unit pixel areas are defined; a wiring electrode positioned on the substrate and positioned in each of the unit pixel areas; a light emitting device that has a device electrode electrically connected to the wiring electrode and is assembled in each of the unit pixel areas; and a coupling forming portion providing a coupling force by which the light emitting device is coupled to the unit pixel areas, wherein the coupling forming portion comprises: an active portion coupled to the light emitting device; and a coupling portion which forms a chemical bond with the active portion and is patterned on the substrate.

公开(公告)号：US20240379922A1

公开(公告)日：2024-11-14

申请号：US18439531

申请日：2024-02-12

Applicant: LG ELECTRONICS INC.

Inventor： Hwanjoon CHOI ,  Yonghan LEE ,  Byungjoon RHEE

IPC: H01L33/62 ,  H01L25/16 ,  H01L33/60

Abstract: The present disclosure is applicable to a technical field related to a display device, and, for example, relates to a display device using a micro light emitting diode (LED). The present disclosure includes a first layer including a terminal, a second layer (a driving layer) located adjacent to the first layer and including a driving chip, a third layer (a light-emitting layer) located adjacent to the second layer, wherein the third layer includes light-emitting elements, wherein each light-emitting element at least partially overlaps the driving chip in a connection direction of the first layer and the second layer and constitutes a unit subpixel, and a fourth layer located adjacent to the third layer, wherein light emitted from the light-emitting elements passes through the fourth layer, wherein a first electrode of each of the light-emitting elements is connected to a first end of the driving chip and a second end of the driving chip is connected to the terminal.

公开(公告)号：US20220406982A1

公开(公告)日：2022-12-22

申请号：US17780192

申请日：2020-02-10

Applicant: LG ELECTRONICS INC.

Inventor： Hwanjoon CHOI

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

Abstract: The present invention provides a display device comprising: a substrate; a wiring electrode disposed on the substrate; a plurality of semiconductor light emitting elements each provided with a conductive electrode electrically connected to the wiring electrode; and an anisotropic conductive layer which is disposed between the conductive electrodes and the wiring electrode and formed of a mixture of conductive particles and an insulating material, wherein the conductive electrodes are provided with a protrusion part protruding toward the wiring electrode.

公开(公告)号：US20210408333A1

公开(公告)日：2021-12-30

申请号：US17288180

申请日：2019-10-08

Applicant: LG ELECTRONICS INC.

Inventor： Hwanjoon CHOI ,  Yonghan LEE

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

Abstract: Discussed is a display device including: a substrate; a plurality of semiconductor light emitting devices arranged on the substrate; a first electrode arranged on the substrate, and electrically connected to the plurality of semiconductor light emitting devices at a lower side of the plurality of semiconductor light emitting devices; a second electrode electrically connected to the plurality of semiconductor light emitting devices at an upper side of the plurality semiconductor light emitting devices; and a plurality of partition walls arranged at the upper side of the plurality of semiconductor light emitting devices, and arranged between the plurality of semiconductor light emitting devices, wherein the substrate is formed of a light transmissive material, and wherein the plurality of partition walls have a width decreased as they become far from the substrate.

公开(公告)号：US20190245120A1

公开(公告)日：2019-08-08

申请号：US16331936

申请日：2016-11-16

Applicant: LG ELECTRONICS INC.

Inventor： Hwanjoon CHOI ,  Yonghan LEE

IPC: H01L33/50 ,  H01L25/075 ,  H01L33/60

CPC classification number: H01L33/504 ,  H01L25/0753 ,  H01L33/00 ,  H01L33/50 ,  H01L33/58 ,  H01L33/60 ,  H01L2933/0041 ,  H05B33/10 ,  H05B33/12

Abstract: The present disclosure relates to a display device and, in particular, a display device using a semiconductor light-emitting device. The display device according to the present disclosure comprises: a substrate having a wiring electrode; a plurality of semiconductor light-emitting elements are electrically connected to the wiring electrode; a plurality of fluorescent substance layers for converting a wavelength of light; a wavelength conversion layer having a plurality of light-emitting elements formed from a plurality of fluorescent substance layers, and a color filter disposed so as to cover the wavelength conversion layer, where at least one of the plurality of fluorescent substance layers has a plurality of layers.

公开(公告)号：US20230395748A1

公开(公告)日：2023-12-07

申请号：US18032700

申请日：2020-10-22

Applicant: LG ELECTRONICS INC.

Inventor： Kyuhyun BANG ,  Hwanjoon CHOI ,  Taehoon KIM

IPC: H01L33/20 ,  H01L33/38 ,  H01L25/075

CPC classification number: H01L33/20 ,  H01L33/38 ,  H01L25/0753 ,  H01L2933/0016

Abstract: Disclosed are a semiconductor light emitting element, a display device, and a method for manufacturing a display device. A semiconductor light emitting element according to an embodiment of the present disclosure comprises: a first conductive semiconductor layer and a second conductive semiconductor layer; an active layer located between the first conductive semiconductor layer and the second conductive semiconductor layer; a semiconductor structure protruding from one surface of at least one of the first conductive semiconductor layer or the second conductive semiconductor layer; and a metal layer laminated on the outer surface of the semiconductor structure.

公开(公告)号：US20230326929A1

公开(公告)日：2023-10-12

申请号：US18043256

申请日：2020-08-31

Applicant: LG ELECTRONICS INC.

Inventor： Hwanjoon CHOI ,  Yonghan LEE

IPC: H01L27/12

CPC classification number: H01L27/124 ,  H01L25/0753

Abstract: The present invention relates to a display device, using semiconductor light-emitting diodes, comprising: a wiring board which comprises a row line for providing a row signal, a column line for providing a column signal, a VCC line connected to a VCC input terminal, and a VDD line connected to a VDD input terminal; and an interposer which is provided on the wiring board, has pixels, comprising semiconductor light-emitting diodes, along a plurality of rows and columns, and comprises IC chips for controlling the pixel light emission. The interposer comprises: a first terminal connected to the row line and for transmitting the row signal to the IC chips; a second terminal connected to the column line and for transmitting the column signal to the IC chips; a third terminal connected to the VCC line and connecting the VCC input terminal and the IC chips; and a fourth terminal connected to the VDD line and connecting the VDD input terminal and the IC chips.