公开(公告)号：US20220216382A1

公开(公告)日：2022-07-07

申请号：US17607613

申请日：2019-05-07

Applicant: LG ELECTRONICS INC.

Inventor： Sangdae PARK ,  Sungjin PARK ,  Jaegwang UM ,  Hwankuk YUH

IPC: H01L33/60 ,  H01L25/075

Abstract: Discussed is a display device using a semiconductor light emitting diode disposed on a substrate, a planarization layer stacked on the substrate while defining a hole that is a region in which the semiconductor light emitting diode is disposed, a light-transmitting layer filling the hole, and a reflective layer formed along at least one surface of the substrate and the planarization layer defining an inner surface of the hole, wherein the hole is formed so that a width thereof expands as a distance from the substrate increases.

公开(公告)号：US20200235077A1

公开(公告)日：2020-07-23

申请号：US16482971

申请日：2017-04-25

Applicant: LG ELECTRONICS INC.

Inventor： Kiseong JEON ,  Jinhong PARK ,  Changseo PARK ,  Hwankuk YUH

IPC: H01L25/075 ,  H01L33/62 ,  H01L33/20 ,  H01L33/38 ,  H01L33/44 ,  H01L21/66

Abstract: The present invention relates to a display device and, more particularly, to a display device using a semiconductor light emitting element. The display device according to the present invention comprises: a substrate including a plurality of metal pads; and a green semiconductor light emitting element and a blue semiconductor light emitting element, which are electrically connected to the metal pads through self-assembly, wherein the green semiconductor light emitting element and the blue semiconductor light emitting element include identification to parts having different shapes so as to be distinguishable from each other when connected to the substrate.

公开(公告)号：US20200083415A1

公开(公告)日：2020-03-12

申请号：US15998662

申请日：2017-02-16

Applicant: LG ELECTRONICS INC.

Inventor： Seonock KIM ,  Hwankuk YUH

IPC: H01L33/56 ,  H01L33/62 ,  G06F1/16

Abstract: A display apparatus including a display unit; a plurality of semiconductor light emitting elements having at least a first conductive electrode to form individual pixels of the display unit; an adhesive layer disposed between adjacent semiconductor light emitting elements; a thin-film transistor having a gate region disposed closer to an upper surface of the display unit than a source region and a drain region; a via hole formed in the adhesive layer; and a via hole electrode extending in the via hole and electrically connecting the at least one conductive electrode of a corresponding semiconductor light emitting element and the source-drain electrode of the thin-film transistor.

公开(公告)号：US20180192495A1

公开(公告)日：2018-07-05

申请号：US15740179

申请日：2016-07-05

Applicant: LG ELECTRONICS INC.

Inventor： Seonock KIM ,  Hwankuk YUH

IPC: H05B33/10 ,  F21K99/00 ,  F21K9/90 ,  H05B33/14 ,  H05B37/02

CPC classification number: H05B33/10 ,  F21K9/90 ,  F21K99/00 ,  H01L25/0753 ,  H01L33/24 ,  H01L33/38 ,  H05B33/14 ,  H05B33/26 ,  H05B37/02

Abstract: The present invention relates to a display device and, particularly, to a display device using a semiconductor light-emitting device. The display device according to the present invention comprises a semiconductor light-emitting device, and the semiconductor light-emitting device comprises: a first conductive semiconductor layer; a second conductive semiconductor layer having a lateral surface, and overlapped with the first conductive semiconductor layer; a first conductive electrode electrically connected to the first conductive semiconductor layer; and a second conductive electrode electrically connected to the second conductive semiconductor layer, wherein the second conductive semiconductor layer has an inclined part inclined with respect to the lateral surface, and the second conductive electrode is formed so as to cover the inclined part.