公开(公告)号：US20240155903A1

公开(公告)日：2024-05-09

申请号：US18498118

申请日：2023-10-31

Applicant: Japan Display Inc.

Inventor： Sho YANAGISAWA

IPC: H10K59/131 ,  H10K59/12 ,  H10K59/121 ,  H10K59/88

CPC classification number: H10K59/1315 ,  H10K59/1201 ,  H10K59/1213 ,  H10K59/88

Abstract: A display device according to an embodiment of the present invention includes a substrate, a display part including a plurality of pixels, each of which includes a transistor having an oxide semiconductor layer on the substrate, a first wiring electrically connected to the plurality of pixels, a terminal electrically connected to the first wiring, and a second wiring which is an oxide conductive layer having the same composition as the oxide semiconductor layer, has a cross-sectional surface along a periphery of the substrate, and is electrically connected to the terminal.

公开(公告)号：US20230371337A1

公开(公告)日：2023-11-16

申请号：US18313396

申请日：2023-05-08

Applicant: Japan Display Inc.

Inventor： Sho YANAGISAWA ,  Mitsugu TAMEKAWA ,  Kota MAKISHI

IPC: H10K59/35

CPC classification number: H10K59/353

Abstract: A display device according to an embodiment of the present disclosure comprises a display area arranged with a plurality of pixels including a first pixel containing a first deposition material and a second pixel containing a second deposition material and having the same size as the first pixel and a non-display area located around the display area including a first area adjacent to one side of the display area and a second area adjacent to the other side opposite the one side of the display area. The first area is arranged with a first deposition pattern containing the first deposition material, and the second area is arranged with a second deposition pattern containing the second deposition material and having the same size as the first deposition pattern. The second deposition pattern is not arranged in the first area.

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：US20250133913A1

公开(公告)日：2025-04-24

申请号：US18909964

申请日：2024-10-09

Applicant: Japan Display Inc.

Inventor： Sho YANAGISAWA

IPC: H10K59/122

Abstract: According to one embodiment, a display device includes a substrate having a display area and a surrounding area, an organic insulating layer formed of an organic insulating material, a rib layer which covers the organic insulating layer and has pixel apertures, and display elements overlapping the pixel apertures. The substrate has a first side. The organic insulating layer has a second side between the first side and the display area as seen in plan view, and a protrusion which protrudes from the second side toward the first side as seen in plan view and is provided at a position distant from an end portion of the second side. Further, the rib layer has a first slit overlapping the protrusion.

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：US20250068273A1

公开(公告)日：2025-02-27

申请号：US18941296

申请日：2024-11-08

Applicant: Japan Display Inc.

Inventor： Hideyuki TAKAHASHI ,  Hiroshi TABATAKE ,  Sho YANAGISAWA

IPC: G06F3/041 ,  G06F3/044 ,  H10K59/131 ,  H10K59/80

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：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.

公开(公告)号：US20240365600A1

公开(公告)日：2024-10-31

申请号：US18625235

申请日：2024-04-03

Applicant: Japan Display Inc.

Inventor： Naoya IWAHASHI ,  Sho YANAGISAWA ,  Hideyuki TAKAHASHI

IPC: H10K59/122

CPC classification number: H10K59/122

Abstract: According to one embodiment, a display device includes a substrate, an organic insulating layer provided over a display area and a surrounding 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, an upper electrode provided on the organic layer, and a first partition provided in the surrounding area and including 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. The organic insulating layer includes a removed portion along an outer edge of the substrate in the surrounding area. The first partition is provided in the removed portion.

公开(公告)号：US20240315085A1

公开(公告)日：2024-09-19

申请号：US18582879

申请日：2024-02-21

Applicant: Japan Display Inc.

Inventor： Kazumi IIZAWA ,  Ryota TAKASAKI ,  Sho YANAGISAWA

IPC: H10K59/122 ,  H10K59/12 ,  H10K59/131

CPC classification number: H10K59/122 ,  H10K59/1201 ,  H10K59/131

Abstract: According to one embodiment, a mother substrate includes a substrate including a linear first side, a plurality of panel portions, a margin portion provided on an external side relative to the panel portions, and a first partition including a first lower portion provided in the margin portion, and a first upper portion provided on the first lower portion and protruding from a side surface of the first lower portion. The first partition has a shape which is not orthogonal to an extension direction of the first side.

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.