公开(公告)号：US20250098437A1

公开(公告)日：2025-03-20

申请号：US18969418

申请日：2024-12-05

Applicant: Japan Display Inc.

Inventor： Hiroshi TABATAKE

IPC: H10K59/122 ,  G09G3/3225 ,  H10K59/131 ,  H10K59/80

Abstract: According to one embodiment, a display device includes a substrate, a circuit layer including a metal-made feed line in a surrounding area, an insulating layer covering the circuit layer, a lower electrode, a rib, a partition above the rib, an upper electrode connected to the partition, an organic layer between the electrodes and a conductive layer connected to the partition. The partition and the conductive layer each includes a metal-made lower portion and an upper portion protruding from a side surface of the lower portion. The lower portion of the conductive layer and the feed line are in contact with each other in the first contact portion in the surrounding area.

公开(公告)号：US20250081750A1

公开(公告)日：2025-03-06

申请号：US18796306

申请日：2024-08-07

Applicant: Japan Display Inc.

Inventor： Kazuyuki HARADA ,  Hiroshi TABATAKE ,  Hideyuki TAKAHASHI ,  Takamitsu FUJIMOTO

IPC: H10K59/122 ,  H10K59/88

Abstract: According to one embodiment, a display device includes a partition which is provided between each adjacent pair of display elements in a display area, an electrode layer provided in a surrounding area, a conductive layer provided above the electrode layer, and an inorganic insulating layer provided between the electrode layer and the conductive layer. The partition and the conductive layer include a conductive lower portion and an upper portion which protrudes from side surfaces of the lower portion. The electrode layer includes an electrode aperture penetrating in a stacking direction. The conductive layer overlaps with the electrode aperture.

公开(公告)号：US20240373681A1

公开(公告)日：2024-11-07

申请号：US18648631

申请日：2024-04-29

Applicant: Japan Display Inc.

Inventor： Hiroshi TABATAKE

IPC: H10K59/122 ,  H10K59/12

Abstract: According to one embodiment, a manufacturing method for a display device includes forming a plurality of lower electrodes, a rib, a partition, a first stacked film including a first organic layer and a first upper electrode, and a first sealing layer. The manufacturing method includes forming a resist individually for each of a plurality of first sub-pixels aligned in a second direction. The manufacturing method includes removing the first sealing layer and the first stacked film using the resists as a mask.

公开(公告)号：US20240341124A1

公开(公告)日：2024-10-10

申请号：US18627476

申请日：2024-04-05

Applicant: Japan Display Inc.

Inventor： Hideyuki TAKAHASHI ,  Hiroyuki KIMURA ,  Hiroshi TABATAKE ,  Tetsuo MORITA

IPC: H10K59/122

CPC classification number: H10K59/122

Abstract: According to one embodiment, a display device includes first to third pixels arranged in a first direction, and a partition surrounding the pixels. The partition includes a first partition between the first and second pixels extending in a second direction along the first pixel, a second partition between the first and second pixels extending in the second direction along the second pixel, and a third partition between the second and third pixels extending in the second direction. The first and second partitions are spaced apart from each other in the first direction via a slit. The third partition is continuously formed between the second and third pixels.

公开(公告)号：US20240298503A1

公开(公告)日：2024-09-05

申请号：US18593687

申请日：2024-03-01

Applicant: Japan Display Inc.

Inventor： Hiroshi TABATAKE ,  Hideyuki TAKAHASHI

IPC: H10K59/80 ,  H10K59/131 ,  H10K59/40

CPC classification number: H10K59/8722 ,  H10K59/131 ,  H10K59/40

Abstract: According to one embodiment, a display device includes a substrate, an insulating layer, a lower electrode, a rib, a partition, an upper electrode, an organic layer, a dam structure, and a conductive layer. The dam structure includes at least one convex portion disposed in a peripheral area between the end portion of the substrate and a display area. The upper electrode and the organic layer are also disposed in the peripheral area. End portions of the upper electrode and the organic layer are located between the dam structure and the display area in plan view. An end portion of the conductive layer is located between the end portions of the upper electrode and the organic layer and the display area in plan view, and is covered by the upper electrode and the organic layer.

公开(公告)号：US20240268174A1

公开(公告)日：2024-08-08

申请号：US18633731

申请日：2024-04-12

Applicant: Japan Display Inc.

Inventor： Hiroshi TABATAKE

IPC: H10K59/35 ,  H10K50/84 ,  H10K59/123

CPC classification number: H10K59/353 ,  H10K50/841 ,  H10K59/123

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：US20240138197A1

公开(公告)日：2024-04-25

申请号：US18399954

申请日：2023-12-29

Applicant: Japan Display Inc.

Inventor： Hiroshi TABATAKE

IPC: H10K59/122 ,  G09G3/3225 ,  H10K59/131 ,  H10K59/80

CPC classification number: H10K59/122 ,  G09G3/3225 ,  H10K59/131 ,  H10K59/873 ,  G09G2300/0452 ,  G09G2300/0842

Abstract: According to one embodiment, a display device includes a substrate, a circuit layer including a metal-made feed line in a surrounding area, an insulating layer covering the circuit layer, a lower electrode, a rib, a partition above the rib, an upper electrode connected to the partition, an organic layer between the electrodes and a conductive layer connected to the partition. The partition and the conductive layer each includes a metal-made lower portion and an upper portion protruding from a side surface of the lower portion. The lower portion of the conductive layer and the feed line are in contact with each other in the first contact portion in the surrounding area.

公开(公告)号：US20230309367A1

公开(公告)日：2023-09-28

申请号：US18189247

申请日：2023-03-24

Applicant: Japan Display Inc.

Inventor： Hiroshi TABATAKE

IPC: H10K59/80 ,  H10K77/10 ,  H10K59/12 ,  H10K71/00

CPC classification number: H10K77/10 ,  H10K59/1201 ,  H10K59/871 ,  H10K59/8792 ,  H10K71/851

Abstract: According to one embodiment, a method of manufacturing a display device, includes forming a partition including a lower portion disposed on a first surface of a base and an upper portion protruding from a side surface of the lower portion, and measuring the distance between a side surface of the lower portion and an end portion of the upper portion from a side of a second surface opposing the first surface of the base.

公开(公告)号：US20230292551A1

公开(公告)日：2023-09-14

申请号：US18176503

申请日：2023-03-01

Applicant: Japan Display Inc.

Inventor： Masashi TSUBUKU ,  Takeshi SAKAI ,  Kentaro MIURA ,  Hajime WATAKABE ,  Takaya TAMARU ,  Hiroshi TABATAKE ,  Yutaka UMEDA

IPC: H10K59/121

CPC classification number: H10K59/1213 ,  H01L27/1255

Abstract: A display device includes a light-emitting element; a first transistor and a second transistor connected in series between the light-emitting element and a driving power line; a third transistor electrically connected to a gate electrode of the first transistor; and a fourth transistor connected in parallel between a drain electrode of the first transistor and the light-emitting element, wherein a ratio of a channel width W1 to a channel length L1 of the first transistor (a W1/L1 ratio) and a ratio of a channel width W2 to a channel length L2 of the second transistor (a W2/L2 ratio) are larger than a ratio of a channel width W3 to a channel length L3 of the third transistor (a W3/L3 ratio) and a ratio of a channel width W4 to a channel length L4 of the fourth transistor (a W4/L4 ratio).

公开(公告)号：US20230217730A1

公开(公告)日：2023-07-06

申请号：US18090530

申请日：2022-12-29

Applicant: Japan Display Inc.

Inventor： Hiroshi TABATAKE

IPC: H10K59/122 ,  H10K50/813

CPC classification number: H01L27/3246 ,  H01L51/5209

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.