公开(公告)号：US20240306435A1

公开(公告)日：2024-09-12

申请号：US18599269

申请日：2024-03-08

Applicant: Japan Display Inc.

Inventor： Hiroshi TABATAKE ,  Sho YANAGISAWA

IPC: H10K59/122 ,  G09G3/3225

CPC classification number: H10K59/122 ,  G09G3/3225 ,  G09G2300/0842

Abstract: According to one embodiment, a motherboard for display device includes a plurality of panel portions each including a display area where a plurality of display elements are arranged, a margin area around the plurality of panel portions and an alignment mark arranged in the margin area. The panel portion includes an organic insulating layer, a lower electrode, an upper electrode, and an organic layer that emits light in accordance with a potential difference between the lower electrode and the upper electrode. The organic insulating layer extends from the display area to the margin area. The organic insulating layer arranged in the margin area and an inorganic insulating layer covering the organic insulating layer are arranged above the alignment mark.

公开(公告)号：US20240260331A1

公开(公告)日：2024-08-01

申请号：US18632335

申请日：2024-04-11

Applicant: Japan Display Inc.

Inventor： Hiroshi TABATAKE

IPC: H10K59/122 ,  H10K50/813

CPC classification number: H10K59/122 ,  H10K50/813

Abstract: According to one embodiment, a display device includes a substrate, an insulating layer, a lower electrode, a rib including an aperture and covering a periphery of the lower electrode, a partition above the rib, an upper electrode being in contact with the partition, and an organic layer between the electrodes. The organic layer includes a first organic layer that is in contact with the lower electrode through the aperture, and a second organic layer on the partition. At least a part of the periphery of the lower electrode is located between the insulating layer and the partition in a thickness direction of the insulating layer.

公开(公告)号：US20240090272A1

公开(公告)日：2024-03-14

申请号：US18307817

申请日：2023-04-27

Applicant: Japan Display Inc.

Inventor： Hiroshi TABATAKE

IPC: H10K59/122 ,  H10K59/12

CPC classification number: H10K59/122 ,  H10K59/1201

Abstract: According to one embodiment, a method of manufacturing a display device, includes forming a lower electrode on a base, forming a rib which covers a part of the lower electrode, forming a partition including a lower portion disposed on the rib and an upper portion protruding from a side surface of the lower portion, removing the upper portion of at least a part of the partition, measuring a first width of the lower portion of the partition and a second width of the upper portion of the partition and measuring a distance between the side surface of the lower portion and an end portion of the upper portion based on the first and second widths.

公开(公告)号：US20230413613A1

公开(公告)日：2023-12-21

申请号：US18455632

申请日：2023-08-25

Applicant: Japan Display Inc.

Inventor： Hiroshi TABATAKE

IPC: H10K59/122 ,  H10K50/813

CPC classification number: H10K59/122 ,  H10K50/813

Abstract: According to one embodiment, a display device includes a substrate, an insulating layer, a lower electrode, a rib including an aperture and covering a periphery of the lower electrode, a partition above the rib, an upper electrode being in contact with the partition, and an organic layer between the electrodes. The organic layer includes a first organic layer that is in contact with the lower electrode through the aperture, and a second organic layer on the partition. At least a part of the periphery of the lower electrode is located between the insulating layer and the partition in a thickness direction of the insulating layer.

公开(公告)号：US20230403904A1

公开(公告)日：2023-12-14

申请号：US18457342

申请日：2023-08-29

Applicant: Japan Display Inc.

Inventor： Hiroshi TABATAKE

IPC: H10K59/35 ,  H10K50/84

CPC classification number: H10K59/353 ,  H10K50/841

Abstract: According to one embodiment, a display device includes a substrate, a pixel circuit, an insulating layer including a contact hole, a lower electrode connected to the pixel circuit via the contact hole, an upper electrode, an organic layer between the lower electrode and the upper electrode, a rib formed of an inorganic material and including an aperture, and a partition above the rib. The organic layer includes a first organic layer in contact with the lower electrode via the aperture and a second organic layer located on the partition and spaced apart from the first organic layer. The partition overlaps an entire of the contact hole in plan view.

公开(公告)号：US20230305654A1

公开(公告)日：2023-09-28

申请号：US18123383

申请日：2023-03-20

Applicant: Japan Display Inc.

Inventor： Hideyuki TAKAHASHI ,  Hiroshi TABATAKE ,  Sho YANAGISAWA

IPC: G06F3/041 ,  H10K59/131 ,  H10K59/80

CPC classification number: G06F3/04164 ,  G06F3/0412 ,  H10K59/131 ,  H10K59/873 ,  G06F3/0446

Abstract: Provided is a display device including a first dam surrounding the display area, a second dam surrounding the first dam, a first sensor electrode and a second sensor electrode overlapping the display area, a first sensor wiring and a second sensor wiring over the first dam and electrically connected to the first sensor electrode and the second sensor electrode, respectively, a first wiring under the second dam and electrically connected to the first sensor wiring at a first contact portion, and a second wiring under the second dam and electrically connected to the second sensor wiring at a second contact portion.

公开(公告)号：US20230301159A1

公开(公告)日：2023-09-21

申请号：US18184699

申请日：2023-03-16

Applicant: Japan Display Inc.

Inventor： Hiroshi TABATAKE

IPC: H10K59/80 ,  H10K59/131

CPC classification number: H10K59/873 ,  H10K59/131

Abstract: According to one embodiment, a display device includes a substrate, an insulating layer above the substrate, a lower electrode, a rib, a partition, an upper electrode, an organic layer between the electrodes, a dam structure including a protrusion in a surrounding area, and a conductive layer in the surrounding area covering at least a part of the dam structure and connected to the partition. The partition and the conductive layer include a conductive lower portion and an upper portion protruding from the lower portion. The end portion of the conductive layer is between the protrusion and the end portion of the substrate.

公开(公告)号：US20230232694A1

公开(公告)日：2023-07-20

申请号：US18156410

申请日：2023-01-19

Applicant: Japan Display Inc.

Inventor： Hiroshi TABATAKE

IPC: H10K59/80 ,  H10K59/122

CPC classification number: H10K59/873 ,  H10K59/122

Abstract: According to one embodiment, a display device includes a substrate, an insulating layer above the substrate, a lower electrode above the insulating layer in a display area, an upper electrode facing the lower electrode, an organic layer provided in the display area and a surrounding area, and a first ridge in the surrounding area. The first ridge includes a lower portion, and an upper portion provided on the lower portion and including an end portion protruding from a side surface of the lower portion. At least part of the organic layer is divided by the first ridge in the surrounding area.

公开(公告)号：US20230137112A1

公开(公告)日：2023-05-04

申请号：US18148002

申请日：2022-12-29

Applicant: Japan Display Inc.

Inventor： Kazuyoshi OMATA ,  Hiroyuki KIMURA ,  Makoto SHIBUSAWA ,  Hiroshi TABATAKE

IPC: G09G3/3233 ,  G09G3/32 ,  H10K59/121 ,  H10K59/131 ,  H05B45/60 ,  G09G3/3258

Abstract: According to one embodiment, a display apparatus includes a plurality of semiconductor layers, a first insulation film, a first conductive layer, a second insulation film and a display element includes a second conductive layer. The first conductive layer and the second conductive layer are opposed to each other to form a capacitance unit.

公开(公告)号：US20170287951A1

公开(公告)日：2017-10-05

申请号：US15462971

申请日：2017-03-20

Applicant: Japan Display Inc.

Inventor： Tetsuo MORITA ,  Hiroyuki KIMURA ,  Makoto SHIBUSAWA ,  Hiroshi TABATAKE ,  Yasuhiro OGAWA

IPC: H01L27/12 ,  H01L29/786 ,  H01L27/13

CPC classification number: H01L27/1255 ,  G02F1/13624 ,  G02F1/136286 ,  G02F1/1368 ,  H01L27/1225 ,  H01L27/124 ,  H01L27/13 ,  H01L27/3262 ,  H01L27/3265 ,  H01L29/78675 ,  H01L29/7869 ,  H01L2227/323

Abstract: Provided is a display device including: a capacitor having a first electrode, a first insulating film over the first electrode, and a second electrode over the first insulating film; and a first transistor over the capacitor. The first transistor includes the second electrode, a second insulating film over the second electrode, an oxide semiconductor film over the second insulating film, and a first source electrode and a first drain electrode over the oxide semiconductor film. The first source electrode and the first drain electrode are electrically connected to the oxide semiconductor film.