公开(公告)号：US20200212134A1

公开(公告)日：2020-07-02

申请号：US16729125

申请日：2019-12-27

Applicant: LG Display Co., Ltd.

Inventor： Sang-Bin LEE ,  Yun-Joo CHO

IPC: H01L27/32 ,  H01L51/52 ,  H01L51/00 ,  H01L51/56

Abstract: An organic light-emitting display device and a method of fabricating the same are provided. The organic light emitting display device according to an example comprises a substrate including a pixel region including a plurality of red-subpixels, a plurality of green-subpixels, and a plurality of blue-subpixels, and a dummy pixel region including a plurality of dummy subpixels; a plurality of first bank layers disposed in the pixel region in a first direction and a second direction to define a plurality of subpixels; a plurality of second bank layers disposed on the first bank layers in the first direction in the pixel region to partition boundaries between a red-subpixel column, a green-subpixel column, and a blue-subpixel column; and an organic light-emitting element formed on each of the subpixels; and wherein at least one dummy subpixel forms a first dispensing region onto which an organic light-emitting material is dispensed.

公开(公告)号：US20180033836A1

公开(公告)日：2018-02-01

申请号：US15635888

申请日：2017-06-28

Applicant: LG DISPLAY CO., LTD.

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

IPC: H01L27/32 ,  H01L51/52

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, wherein the bank layer includes first and second openings exposing the first electrodes corresponding to the first and second pixel regions, respectively, and a depth of the second opening is larger than a depth of the first opening.

公开(公告)号：US20240224747A1

公开(公告)日：2024-07-04

申请号：US18538992

申请日：2023-12-13

Applicant: LG Display Co., Ltd.

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

IPC: H10K59/80

CPC classification number: H10K59/878 ,  H10K59/80518

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

公开(公告)号：US20220173180A1

公开(公告)日：2022-06-02

申请号：US17515731

申请日：2021-11-01

Applicant: LG DISPLAY CO., LTD.

Inventor： Sang-Bin LEE ,  In-Sun YOO ,  Jeong-Mook CHOI

IPC: H01L27/32 ,  H01L51/50

Abstract: An electroluminescent display device includes first and second substrates on which a pixel including first, second, and third sub-pixels are defined, a light-emitting diode disposed at each of the first, second, and third sub-pixels on the first substrate and including a first electrode, a light-emitting layer and a second electrode, and a bank between adjacent sub-pixels along a first direction, wherein the light-emitting layer includes first, second, and third light-emitting layers, wherein each of the first and second light-emitting layers includes first and second light-emitting material layers, and the third light-emitting layer includes a second light-emitting material layer, and wherein a height of the first light-emitting material layer of each of the first and second light-emitting layer increases as it approaches the bank, and the second light-emitting material layers of the first, second, and third light-emitting layers are disposed on top and side surfaces of the bank.

公开(公告)号：US20210193761A1

公开(公告)日：2021-06-24

申请号：US17115358

申请日：2020-12-08

Applicant: LG Display Co., Ltd.

Inventor： Hyuk-Chan GEE ,  Sang-Bin LEE ,  Nack-Youn JUNG ,  Jeong-Mook CHOI ,  Sung-Jin PARK

IPC: H01L27/32

Abstract: An electroluminescent display device includes a substrate including a first pixel column and a second pixel column that respectively include first pixels and second pixels arranged in a first direction and respectively have a first width and a second width in a second direction, wherein the second pixel column is positioned in the second direction from the first pixel column, and the second width is greater than the first width; a light emitting diode in each first pixel and each second pixel and including a first electrode, a light emitting layer and a second electrode; a first bank positioned between adjacent first pixels and between adjacent second pixels and covering an edge of the first electrode; a second bank positioned between the first and second pixel columns; and a first partition wall across the second pixel column along the first direction and positioned on the first electrode.

公开(公告)号：US20200212148A1

公开(公告)日：2020-07-02

申请号：US16727713

申请日：2019-12-26

Applicant: LG Display Co., Ltd.

Inventor： Jun-Ho YOUN ,  Sang-Bin LEE ,  Yun-Joo CHO

IPC: H01L27/32

Abstract: An organic light emitting display device according to an example comprises a substrate; a plurality of first bank layers disposed on the substrate in a first direction and a second direction different from the first direction to define a plurality of pixels; a plurality of second bank layers disposed on the first bank layers in the first direction to partition pixel columns of different colors; and a third bank layer formed in each of the pixel columns in the second direction to divide each of the pixel columns into a plurality of groups each including a plurality of the pixels

公开(公告)号：US20240224557A1

公开(公告)日：2024-07-04

申请号：US18465023

申请日：2023-09-11

Applicant: LG Display Co, Ltd.

Inventor： Sang-Bin LEE ,  Tae-Kung RYOO

IPC: H10K50/11 ,  H10K59/122 ,  H10K59/80

CPC classification number: H10K50/11 ,  H10K59/122 ,  H10K59/80518

Abstract: The present disclosure relates to an organic light emitting display device comprising a first substrate including a first pixel, the first pixel including first and second regions; a first electrode in the first region and on the first substrate, the first electrode having a first work function value; a second electrode in the second region and on the first substrate, the second electrode having a second work function value smaller than the first work function value; a first organic light emitting layer on the first electrode; a second organic light emitting layer on the second electrode; and a p-type charge generation layer in the first and second regions and on the first and second organic light emitting layers.

公开(公告)号：US20220208865A1

公开(公告)日：2022-06-30

申请号：US17513590

申请日：2021-10-28

Applicant: LG DISPLAY CO., LTD.

Inventor： Jun-Ho YOUN ,  HEUME-IL BAEK ,  In-Sun YOO ,  Sang-Bin LEE

IPC: H01L27/32 ,  H01L51/52

Abstract: A transparent display device includes a substrate on which a pixel including first, second, and third emission areas and first and second transparent areas arranged along a first direction is defined, a light-emitting diode disposed in each of the first, second, and third emission areas and including a first electrode, a light-emitting layer, and a second electrode, and an auxiliary electrode extending in a second direction perpendicular to the first direction and electrically connected to the second electrode. The first emission area and the auxiliary electrode are disposed between the first transparent area and the second transparent area, and the second transparent area includes a first portion between the first emission area and the second emission area. Further, the first transparent area has a higher transmittance than the second transparent area.

公开(公告)号：US20200212128A1

公开(公告)日：2020-07-02

申请号：US16725132

申请日：2019-12-23

Applicant: LG Display Co., Ltd.

Inventor： Young-Tae SON ,  Jeong-Gyun SHIN ,  Hyuk-Chan GEE ,  Sang-Bin LEE

IPC: H01L27/32

Abstract: An electroluminescent display device comprises a substrate; a plurality of sub-pixels arranged on the substrate, including sub-pixels with different colors arranged along a first direction and sub-pixels with a same color arranged along a second direction; a light-emitting diode disposed at each sub-pixel and including a first electrode, a light-emitting layer and a second electrode; a bank having an opening corresponding to a sub-pixel row along the second direction and disposed between two adjacent sub-pixels along the first direction; and a control pattern between two adjacent sub-pixels along the second direction, wherein the control pattern includes a first control pattern corresponding to a center portion of the sub-pixel row and a second control pattern spaced apart from the first control pattern along the second direction, and where a first end of each of the first and second control patterns is spaced apart from the bank and has an first surface parallel to or inclined with respect to the second direction, and a slope of the first surface of the second control pattern is larger than a slope of the first surface of the first control pattern.

公开(公告)号：US20180138255A1

公开(公告)日：2018-05-17

申请号：US15808435

申请日：2017-11-09

Applicant: LG DISPLAY CO., LTD.

Inventor： Sang-Bin LEE ,  Jeong-Mook CHOI

IPC: H01L27/32 ,  H01L29/786 ,  G09G3/3233

Abstract: An electroluminescent display device and method of fabricating the same are discussed. The electroluminescent display device includes a substrate including first to third pixel regions, the second and third pixel regions being adjacent to the first pixel region along a first direction and a second direction, respectively; an insulating layer over the substrate and including a groove between the first and second pixel regions; a first electrode on the insulating layer and in each of the first to third pixel regions; a bank covering an edge of the first electrode and disposed between the first pixel region and the second pixel region and between the first pixel region and the third pixel region; an emitting layer on the first electrode; and a second electrode on the emitting layer, wherein the bank disposed between the first and second pixel regions has a first height from the first electrode and the bank disposed between the first and third pixel regions has a second height from the first electrode, and the first height is smaller than the second height.