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：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：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：US20180182997A1

公开(公告)日：2018-06-28

申请号：US15849370

申请日：2017-12-20

Applicant: LG Display Co., Ltd.

Inventor： Young-Ju KIM ,  Tae-Kung RYOO ,  Young-Jun YU ,  Hyuk-Chan GEE ,  Sung-Jin PARK

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

CPC classification number: H01L51/5234 ,  H01L27/3211 ,  H01L27/3244 ,  H01L27/3248 ,  H01L51/0085 ,  H01L51/56

Abstract: An electroluminescent display device includes a first electrode; a hole auxiliary layer on the first electrode; a light emitting material layer on the hole auxiliary layer; and a second electrode on the light emitting material layer, wherein the second electrode includes a first metal and further includes a second metal or metal compound having a refractive index of 1.3 or more as a dopant.