公开(公告)号：US20240349577A1

公开(公告)日：2024-10-17

申请号：US18605835

申请日：2024-03-15

Applicant: Japan Display Inc.

Inventor： Ryota TAKASAKI ,  Naoya IWAHASHI ,  Sho YANAGISAWA

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

CPC classification number: H10K59/873 ,  H10K59/1201 ,  H10K59/122

Abstract: According to one embodiment, a display device includes a substrate, an organic insulating layer provided over a display area which displays an image and a surrounding area located on an external side relative to the display area above the substrate, a lower electrode provided on the organic insulating layer in the display area, an organic layer provided on the lower electrode and including a light emitting layer, and an upper electrode provided on the organic layer. In the surrounding area, the organic insulating layer includes a removed portion and has a stepwise cross section in which a thickness decreases toward the removed portion.

公开(公告)号：US20250017092A1

公开(公告)日：2025-01-09

申请号：US18763281

申请日：2024-07-03

Applicant: Japan Display Inc.

Inventor： Naoya IWAHASHI ,  Sho YANAGISAWA ,  Mitsugu TAMEKAWA

IPC: H10K71/16 ,  C23C14/04 ,  C23C14/12 ,  C23C14/24

Abstract: According to one embodiment, a method of manufacturing a display device includes depositing an organic EL material from an evaporation source onto the substrate via the vapor deposition mask by heating the evaporation source, thereby forming an organic EL layer, wherein the vapor deposition mask comprises a plurality of thin-film regions and a retaining frame, each of the plurality of thin-film regions includes a plurality of mask regions and connection regions, each of the plurality of thin-film regions has a propeller shape, each of the plurality of mask regions has a circular shape, and each of the plurality of mask regions comprises a plurality of aperture regions.

公开(公告)号：US20240341152A1

公开(公告)日：2024-10-10

申请号：US18592579

申请日：2024-03-01

Applicant: Japan Display Inc.

Inventor： Ryota TAKASAKI ,  Naoya IWAHASHI ,  Sho YANAGISAWA ,  Hiroshi TABATAKE ,  Takashi TSUCHIYA

IPC: H10K59/80

CPC classification number: H10K59/80515 ,  H10K59/80521

Abstract: According to one embodiment, a mother substrate includes panel portions, a margin portion, and a first partition provided in the margin portion. The first partition includes a first lower portion including an annular side surface, and a first upper portion provided on the first lower portion and including an annular protrusion which protrudes from the side surface. An inner circumferential portion includes, in plan view, a plurality of linear portions and a plurality of corner portions each connecting the adjacent two linear portions. In the linear portions, the side surface and an end portion of the protrusion linearly extend. In the corner portions, the side surface and the end portion of the protrusion are formed into an arcuate shape.

公开(公告)号：US20240196693A1

公开(公告)日：2024-06-13

申请号：US18509351

申请日：2023-11-15

Applicant: Japan Display Inc.,

Inventor： Sho YANAGISAWA ,  Ryota TAKASAKI ,  Naoya IWAHASHI ,  Hiroshi TABATAKE ,  Kazuyuki HARADA

IPC: H10K59/80

CPC classification number: H10K59/80515 ,  H10K59/80521

Abstract: According to one embodiment, a display device includes an organic insulating layer, a lower electrode, a rib, a partition including a lower portion and an upper portion protruding from a side surface of the lower portion, an organic layer provided on the lower electrode, an upper electrode, and a terminal electrode. The organic insulating layer comprises a first aperture from which the terminal electrode is exposed. The rib includes a second aperture from which the terminal electrode is exposed. The second aperture is larger than the first aperture in plan view. The organic insulating layer exposed from the rib between the first aperture and the second aperture has a frame-like shape.

公开(公告)号：US20250143093A1

公开(公告)日：2025-05-01

申请号：US18921030

申请日：2024-10-21

Applicant: Japan Display Inc.

Inventor： Naoya IWAHASHI ,  Sho YANAGISAWA

IPC: H10K59/122 ,  H10K59/35

Abstract: According to one embodiment, a display device includes a substrate, an organic insulating layer disposed above the substrate over a display area in which a plurality of display elements are disposed and over a peripheral area, a first partition disposed between the display elements adjacent to each other, and a second partition disposed in the peripheral area. The first partition and the second partition each include a conductive lower portion and an upper portion protruding from a side surface of the lower portion, the organic insulating layer includes an aperture in the peripheral area, and the second partition is disposed along an edge of the aperture on an outer side of the aperture.

公开(公告)号：US20250133914A1

公开(公告)日：2025-04-24

申请号：US18911261

申请日：2024-10-10

Applicant: Japan Display Inc.

Inventor： Ryota TAKASAKI ,  Naoya IWAHASHI ,  Sho YANAGISAWA

IPC: H10K59/122

Abstract: According to one embodiment, a display device includes an organic insulating layer provided over a display area and a surrounding area, a lower electrode provided in the display area, an inorganic insulating layer provided on the organic insulating layer, an organic layer provided on the lower electrode, an upper electrode provided on the organic layer, and a plurality of surrounding partitions provided in the surrounding area. The organic insulating layer has a removed portion along an outer edge of a substrate in the surrounding area. The inorganic insulating layer has a loop groove which surrounds the display area in the surrounding area. The surrounding partitions include a pair of first partitions facing each other across the groove.

公开(公告)号：US20250113708A1

公开(公告)日：2025-04-03

申请号：US18899440

申请日：2024-09-27

Applicant: Japan Display Inc.

Inventor： Naoya IWAHASHI ,  Sho YANAGISAWA ,  Hideyuki TAKAHASHI ,  Ryota TAKASAKI ,  Kazumi IIZAWA

IPC: H10K59/122

Abstract: According to one embodiment, a display device includes a lower electrode in a display area, a rib layer in the display area and a surrounding area, a first partition above the rib layer in the display area, an organic layer, an upper electrode and a second partition above the rib layer in the surrounding area. The rib layer has a pixel aperture. The organic layer is in contact with the lower electrode through the pixel aperture. The upper electrode covers the organic layer and is in contact with the first partition. Each of the partitions includes a lower portion and an upper portion. The second partition includes segments spaced apart from each other. Each of the segments has apertures.

公开(公告)号：US20250133916A1

公开(公告)日：2025-04-24

申请号：US18915402

申请日：2024-10-15

Applicant: Japan Display Inc.

Inventor： Naoya IWAHASHI ,  Sho YANAGISAWA ,  Hideyuki TAKAHASHI

IPC: H10K59/122

Abstract: According to one embodiment, a display device includes a substrate having display and surrounding areas, an organic insulating layer, a lower electrode above the organic insulating layer, a rib layer having a pixel aperture, a first partition in the display area, an organic layer contacting the lower electrode, an upper electrode covering the organic layer, and a second partition in the surrounding area. Each of the first and second partitions includes a lower portion and an upper portion having an end portion which protrudes from a side surface of the lower portion. The second partition includes segments spaced apart from each other. The rib layer has a slit surrounding at least one of the segments.

公开(公告)号：US20250133912A1

公开(公告)日：2025-04-24

申请号：US18907690

申请日：2024-10-07

Applicant: Japan Display Inc.

Inventor： Ryota TAKASAKI ,  Naoya IWAHASHI ,  Sho YANAGISAWA

IPC: H10K59/122

Abstract: According to one embodiment, a display device includes an organic insulating layer provided over a display area and a surrounding area, a lower electrode, an inorganic insulating layer, an organic layer, an upper electrode, and surrounding partitions provided in the surrounding area. Each of the surrounding partitions has a first lower portion located on the inorganic insulating layer, and a first upper portion located on the first lower portion and protruding from a side surface of the first lower portion. The organic insulating layer has a recess portion. The surrounding partitions include a first partition which overlaps the recess portion. A distance from the first upper portion of the first partition to an edge portion of the recess portion is greater than or equal to 50 μm.

公开(公告)号：US20240389400A1

公开(公告)日：2024-11-21

申请号：US18650153

申请日：2024-04-30

Applicant: Japan Display Inc.

Inventor： Naoya IWAHASHI ,  Ryota TAKASAKI ,  Sho YANAGISAWA ,  Kazumi IIZAWA

IPC: H10K59/122 ,  H10K59/12 ,  H10K71/16 ,  H10K71/20 ,  H10K71/60

Abstract: According to one embodiment, a display device includes an organic insulating layer provided over a display area and a surrounding area, a lower electrode provided on the organic insulating layer in the display area, an organic layer provided on the lower electrode and including a light emitting layer, an upper electrode provided on the organic layer, a first partition provided in the surrounding area and having a first lower portion and a first upper portion which is provided on the first lower portion and protrudes from a side surface of the first lower portion, and a metal layer provided in the surrounding area and overlapping an aperture of the organic insulating layer. The first partition is provided in the aperture.