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.

公开(公告)号：US20230253386A1

公开(公告)日：2023-08-10

申请号：US18004646

申请日：2020-07-08

Applicant: LG ELECTRONICS INC.

Inventor： Yonghan LEE

IPC: H01L25/16 ,  H01L33/62 ,  G09G3/32

CPC classification number: H01L25/167 ,  H01L33/62 ,  G09G3/32 ,  G09G2300/06 ,  G09G2300/0426

Abstract: The present disclosure relates to a display apparatus using a semiconductor light-emitting device, the display apparatus comprising: a base substrate; a row driver which provides 3-state first signals including a high, a ground, and a low signal; a column driver which provides 2-state second signals including a high and a low signal; and a plurality of semiconductor light-emitting devices provided on the base substrate, wherein the plurality of semiconductor light-emitting devices include a first semiconductor light-emitting device and a second semiconductor light-emitting device which are connected to the row driver and the column driver in different pole directions.

公开(公告)号：US20220416127A1

公开(公告)日：2022-12-29

申请号：US17780202

申请日：2020-01-23

Applicant: LG ELECTRONICS INC.

Inventor： Hwanjoon CHOI ,  Yonghan LEE ,  Taehoon KIM

IPC: H01L33/38 ,  H01L33/62 ,  H01L25/075 ,  H01L33/00

Abstract: The present invention relates to a display apparatus and a method for manufacturing same and, particularly, to a display apparatus using a semiconductor light emitting device having a size of several μm to dozens of μm. The present invention provides a display apparatus comprising: a substrate; a wiring electrode disposed on the substrate; multiple semiconductor light emitting devices electrically connected to the wiring electrode; multiple conductive particles arranged between the wiring electrode and the semiconductor light emitting devices; and a bonding layer disposed on the semiconductor light emitting devices to allow the multiple conductive particles to be fixed to the semiconductor light emitting devices, wherein each of the multiple semiconductor light emitting devices includes multiple conductive electrodes, and the conductive particles are selectively fixed to only the surfaces of the conductive electrodes.

公开(公告)号：US20220238759A1

公开(公告)日：2022-07-28

申请号：US17616550

申请日：2020-02-06

Applicant: LG ELECTRONICS INC.

Inventor： Hwanjoon CHOI ,  Yonghan LEE

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

Abstract: Discussed is a display device including a substrate including a plurality of electrode lines; and a plurality of semiconductor light emitting devices disposed on the substrate and electrically connected to the plurality of electrode lines; wherein each of the plurality of semiconductor light emitting devices includes: a first conductive semiconductor layer; a plurality of second conductive semiconductor layers formed on the first conductive semiconductor layer; and an active layer formed between the first and second conductive semiconductor layers, and wherein each of the plurality of semiconductor light emitting devices includes a plurality of active layers spaced apart from each other.

公开(公告)号：US20190288163A1

公开(公告)日：2019-09-19

申请号：US16465051

申请日：2017-01-31

Applicant: LG ELECTRONICS INC.

Inventor： Hwanjoon CHOI ,  Yonghan LEE

IPC: H01L33/44 ,  H01L27/15 ,  H01L33/38

Abstract: The present invention relates to a display device and, particularly, to a display device using a semiconductor light emitting element. The display device according to the present invention comprises a plurality of semiconductor light emitting elements mounted on a substrate, wherein at least one of the semiconductor light emitting elements comprises: a first conductive electrode and a second conductive electrode; a first conductive semiconductor layer in which the first conductive electrode is disposed; a second conductive semiconductor layer which overlaps the first conductive semiconductor layer and in which the second conductive electrode is disposed; a first passivation layer formed to cover outer surfaces of the first conductive semiconductor layer and the second conductive semiconductor layer; and a second passivation layer formed to cover the first passivation layer and formed such that at least a portion thereof varies in thickness.

公开(公告)号：US20190252579A1

公开(公告)日：2019-08-15

申请号：US16310022

申请日：2017-03-07

Applicant: LG ELECTRONICS INC.

Inventor： Hwanjoon CHOI ,  Yonghan LEE ,  Byungjoon RHEE ,  Jinhyoun JOE ,  Sungjin PARK

IPC: H01L33/50 ,  H01L33/62 ,  H01L25/075 ,  H01L33/58 ,  G02B5/20

Abstract: The present invention relates to a display device and, particularly, to a display device using a semiconductor light emitting element. The display device according to the present invention comprises: a substrate at which a wire electrode is formed; a plurality of semiconductor light emitting elements electrically connected to the wire electrode; a plurality of fluorescent material layers for converting a wavelength of light; a wavelength converting layer which has a plurality of partition wall portions formed between the plurality of fluorescent material layers and is disposed to cover the plurality of semiconductor light emitting elements; and a color filter which has a plurality of filtering portions for filtering blue, green, and red colors, and is disposed to cover the wavelength converting layer, wherein at least one of the plurality of filtering portions is configured to have a width different from those of the other filtering portions.