公开(公告)号：US20240224746A1

公开(公告)日：2024-07-04

申请号：US18520147

申请日：2023-11-27

Applicant: LG Display Co., Ltd.

Inventor： Tae-Kung RYOO ,  Sang-Bin LEE ,  Hyuk-Chan GEE

IPC: H10K59/80 ,  H10K59/122

CPC classification number: H10K59/878 ,  H10K59/122 ,  H10K59/879

Abstract: A display device includes a substrate provided with a pixel including an emission area and a laser area and including a depressed portion corresponding to the laser area; a lower mirror layer in the depressed portion of the substrate; a first light-emitting diode provided in the emission area over the lower mirror layer; a second light-emitting diode provided in the laser area over the lower mirror layer; and an upper mirror layer over the second light-emitting diode.

公开(公告)号：US20220173351A1

公开(公告)日：2022-06-02

申请号：US17515780

申请日：2021-11-01

Applicant: LG DISPLAY CO., LTD.

Inventor： Heume-Il BAEK ,  Jun-Ho YOUN ,  Jeong-Mook CHOI ,  Hee-Tae LIM ,  Ji-Ho KANG ,  Kyoung-Ji BAE ,  Jin-Ah KWAK ,  Sang-Bin LEE

IPC: H01L51/52 ,  H01L27/32 ,  C08L79/00

Abstract: An electroluminescent display device includes: a substrate, a first electrode on the substrate, a connection pattern on the substrate, the connection pattern including a same material as the first electrode, a bank covering edges of the first electrode and the connection pattern, a light-emitting layer on the first electrode, a second electrode on the light-emitting layer, the bank, and the connection pattern, and an auxiliary pattern between the connection pattern and the second electrode, the auxiliary pattern including one or more of: a metal oxide, conductive nanoparticles, and a work function-modifying polymer.

公开(公告)号：US20210202613A1

公开(公告)日：2021-07-01

申请号：US17135831

申请日：2020-12-28

Applicant: LG Display Co., Ltd.

Inventor： Hyuk-Chan GEE ,  Sang-Bin LEE ,  Nack-Youn JUNG ,  Jun-Ho YOUN ,  Jeong-Mook CHOI

IPC: H01L27/32

Abstract: An electroluminescent display device includes a substrate on which a display area and a non-display area are defined; first, second and third sub-pixel rows in the display area each including a plurality of sub-pixels arranged along a first direction and disposed along a second direction; a light-emitting diode disposed at each of the plurality of sub-pixels and including a first electrode, a light-emitting layer and a second electrode; a dummy sub-pixel in the non-display area and corresponding to the second sub-pixel row; and a partition wall across the third sub-pixel row along the first direction and disposed on the first electrodes of the third sub-pixel row, wherein a width of the second sub-pixel row along the second direction is larger than a width of the first sub-pixel row and smaller than a width of the third sub-pixel row.

公开(公告)号：US20210175304A1

公开(公告)日：2021-06-10

申请号：US17103821

申请日：2020-11-24

Applicant: LG Display Co., Ltd.

Inventor： Sang-Bin LEE ,  In-Sun YOO

IPC: H01L27/32

Abstract: An electroluminescent display device includes a substrate on which a display area displaying an image and a non-display area surrounding the display area are defined; a plurality of sub-pixels disposed in the display area on the substrate and arranged along a first direction and a second direction; a plurality of dummy sub-pixels disposed in the non-display area on the substrate; and a bank disposed in the display area and the non-display area on the substrate, wherein the bank includes a first portion corresponding to the plurality of sub-pixels and a second portion corresponding to the plurality of dummy sub-pixels, and wherein a side surface of the first portion has a reverse slope and at least a part of a side surface of the second portion has a normal slope.

公开(公告)号：US20190058015A1

公开(公告)日：2019-02-21

申请号：US16166782

申请日：2018-10-22

Applicant: LG DISPLAY CO., LTD.

Inventor： Sang-Bin LEE ,  Hye-Min HWANG ,  Hui-Kun YUN ,  Jun-Ho YOUN ,  Jun-Young KIM

IPC: H01L27/32 ,  H01L51/00 ,  H01L51/52 ,  G09G3/32 ,  H01L51/50

CPC classification number: H01L27/3206 ,  G09G3/32 ,  G09G2300/0842 ,  H01L27/3211 ,  H01L27/3246 ,  H01L27/3258 ,  H01L51/0004 ,  H01L51/5012 ,  H01L51/5225 ,  H01L51/5265 ,  H01L2227/323 ,  H01L2251/558

Abstract: An electroluminescent display device includes a substrate on which first and second pixel regions are defined, a passivation layer over the substrate, a first electrode in each of the first and second pixel regions on the passivation layer, a bank layer exposing the first electrode, a light emitting layer on the first electrode exposed by the bank layer, and a second electrode on the light emitting layer, further the bank layer includes first and second openings exposing the first electrodes corresponding to the first and second pixel regions, respectively, and also a depth of the second opening is larger than a depth of the first opening, and a height of the bank layer of the second pixel region is larger than a height of the bank layer of the first pixel region.