公开(公告)号：US20240206233A1

公开(公告)日：2024-06-20

申请号：US18224296

申请日：2023-07-20

Applicant: LG DISPLAY CO., LTD.

Inventor： Ho-Jin KIM ,  Ji-Yeon PARK

IPC: H10K59/122 ,  H10K59/12 ,  H10K59/80

CPC classification number: H10K59/122 ,  H10K59/1201 ,  H10K59/8731 ,  H10K2102/341

Abstract: An organic light emitting diode display device includes a substrate having first and second subpixels; an interlayer insulating layer on the substrate and having a trench between the first and second subpixels; a first electrode in each of the first and second subpixels on the interlayer insulating layer; a bank layer covering an edge portion of the first electrode and exposing a central portion of the first electrode; an emitting layer and a second electrode sequentially disposed on the bank layer and the first electrode exposed through the bank layer; and a passivation layer on the second electrode and wrapping the emitting layer and the second electrode.

公开(公告)号：US20240260419A1

公开(公告)日：2024-08-01

申请号：US18514780

申请日：2023-11-20

Applicant: LG Display Co., Ltd.

Inventor： Ho-Jin KIM ,  Bong-Choon KWAK ,  Ji-Yeon PARK

IPC: H10K59/80 ,  H10K59/12 ,  H10K59/122

CPC classification number: H10K59/878 ,  H10K59/1201 ,  H10K59/122

Abstract: An organic light-emitting diode display device can include a plurality of sub-pixels disposed on a substrate, at least one transistor disposed at each of the plurality sub-pixels over the substrate, a first insulation layer disposed over the at least one transistor, and a light-emitting diode disposed at each of the plurality of sub-pixels over the first insulation layer. Further, the light-emitting diode includes a first electrode, a light-emitting layer, and a second electrode. Also, each of the plurality of sub-pixels includes a contact area and an emission area, the light-emitting diode is electrically connected to the at least one transistor in the contact area. The first insulation layer includes a recessed portion in the contact area.

公开(公告)号：US20240260410A1

公开(公告)日：2024-08-01

申请号：US18514950

申请日：2023-11-20

Applicant: LG Display Co., Ltd.

Inventor： Ho-Jin KIM ,  Ji-Yeon PARK

IPC: H10K59/80 ,  H10K59/12 ,  H10K59/35 ,  H10K59/38 ,  H10K59/70

CPC classification number: H10K59/8731 ,  H10K59/1201 ,  H10K59/351 ,  H10K59/38 ,  H10K59/70 ,  H10K2102/351

Abstract: An organic light-emitting diode display device can include a substrate including a first sub-pixel and a second sub-pixel; an interlayer insulation layer over the substrate and having different heights; and a first light-emitting diode disposed at the first sub-pixel and a second light-emitting diode disposed at the second sub-pixel over the substrate, wherein each of the first light-emitting diode or second light-emitting diode includes a first electrode, a light-emitting layer, and a second electrode, and the light-emitting layer includes a first stack, a charge generation layer, and a second stack, and wherein the second electrode of the first light-emitting diode is electrically connected to the charge generation layer of the first light-emitting diode, and the second electrode of the second light-emitting diode is separated from the charge generation layer of the second light-emitting diode.

公开(公告)号：US20190189701A1

公开(公告)日：2019-06-20

申请号：US16218435

申请日：2018-12-12

Applicant: LG DISPLAY CO., LTD.

Inventor： Hyung-Seok BANG ,  Ji-Yeon PARK ,  Han-Sun PARK ,  Hyeong-Jun LIM

IPC: H01L27/32 ,  G02F1/1335 ,  H01L51/52 ,  G03H1/02

CPC classification number: H01L27/3209 ,  G02F1/133526 ,  G03H1/02 ,  G03H2001/0216 ,  H01L27/322 ,  H01L51/5206 ,  H01L51/5221 ,  H01L51/5237

Abstract: An electroluminescent display device includes a substrate including first, second, and third sub-pixel regions; an interlayer insulating layer and a passivation layer each separately disposed at the first, second, and third sub-pixel regions on the substrate; a reflective electrode disposed on the passivation layer of each of the first, second, and third sub-pixel regions; first, second, and third dielectric layers disposed corresponding to the first, second, and third sub-pixel regions, respectively, on the reflective electrode; a first electrode disposed on each of the first, second, and third dielectric layers; an insulating pattern covering an edge of the first electrode; a light-emitting layer disposed on the first electrode and the insulating pattern and substantially all over the substrate including the first, second, and third sub-pixel regions; and a second electrode disposed on the light-emitting layer, wherein the first, second, and third dielectric layers have different thicknesses.

公开(公告)号：US20190181202A1

公开(公告)日：2019-06-13

申请号：US16213238

申请日：2018-12-07

Applicant: LG Display Co., Ltd.

Inventor： Hyeong-Jun LIM ,  Ji-Yeon PARK ,  Han-Sun PARK

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

Abstract: An electroluminescent display device includes a substrate including a plurality of pixel regions; an air gap over the substrate and configured to separate the plurality of pixel regions; a first electrode in each of the plurality of pixel regions; an insulating pattern covering an edge of the first electrode; a light emitting portion on the first electrode and the insulating pattern; and a second electrode on the light emitting portion.

公开(公告)号：US20190172874A1

公开(公告)日：2019-06-06

申请号：US16210375

申请日：2018-12-05

Applicant: LG Display Co., Ltd.

Inventor： Hyeong-Jun LIM ,  Han-Sun PARK ,  Hyung-Seok BANG ,  Ji-Yeon PARK

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

Abstract: An electroluminescent display device is disclosed. The disclosed electroluminescent display device includes a substrate including a plurality of pixel regions; a plurality of light emitting diodes spaced apart from each other on the substrate and each corresponding to the plurality of pixel regions, respectively; a plurality of encapsulation films respectively covering each of the light emitting diodes of the plurality of light emitting diodes, wherein the plurality of encapsulation films has a first refractive index; a first partition wall disposed between each of the encapsulation films of the plurality of encapsulation films, wherein the first partition wall corresponds to a boundary between the plurality of pixel regions and has a second refractive index lower than the first refractive index; and a color filter layer disposed on the plurality of encapsulation films and the first partition wall.