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：US20220352269A1

公开(公告)日：2022-11-03

申请号：US17657955

申请日：2022-04-05

Applicant: Japan Display Inc.

Inventor： Tetsuo MORITA ,  Sho YANAGISAWA ,  Kenji HARADA ,  Hiroshi TABATAKE ,  Hideyuki TAKAHASHI

IPC: H01L27/32 ,  H01L51/52

Abstract: According to one embodiment, a display device comprising a base, a first insulating layer, a first lower electrode, a second lower electrode, a first wiring, a second insulating layer disposed on the first wiring, a first organic layer disposed on the first lower electrode, a second organic layer disposed on the second lower electrode, a first separation wall disposed on the second insulating layer, and an upper wiring disposed continuously on the first organic layer, the second organic layer, and the first separation wall, wherein the upper wiring is electrically connected to the first wiring via a contact hole that penetrates the first separation wall and the second insulating layer.

公开(公告)号：US20250057014A1

公开(公告)日：2025-02-13

申请号：US18769470

申请日：2024-07-11

Applicant: Japan Display Inc.

Inventor： Sho YANAGISAWA ,  Hideyuki TAKAHASHI

IPC: H10K59/80 ,  H10K59/122

Abstract: According to one embodiment, a display device includes a substrate having a display area and a surrounding area, a plurality of display elements each of which includes a lower electrode, an upper electrode and an organic layer, a first partition provided between the adjacent display elements, a first dam portion which protrudes to an upper side of the substrate and surrounds the display area, and a second partition which overlaps at least part of the first dam portion. Further, each of the first and second partitions includes a conductive lower portion and an upper portion having an end portion protruding from a side surface of the lower portion.

公开(公告)号：US20250040373A1

公开(公告)日：2025-01-30

申请号：US18770692

申请日：2024-07-12

Applicant: Japan Display Inc.

Inventor： Sho YANAGISAWA

IPC: H10K59/131 ,  H10K59/12 ,  H10K59/80 ,  H10K71/16 ,  H10K77/10

Abstract: According to one embodiment, a display device includes a resinous substrate having flexibility, a circuit layer including a plurality of insulating layers provided over a display area and a surrounding area, a first organic insulating layer provided on the circuit layer, a first inorganic insulating layer provided on the first organic insulating layer, and a first partition including a first lower portion provided on the first inorganic insulating layer and a first upper portion which is provided on the first lower portion and protrudes from a side surface of the lower portion. The circuit layer has a belt-like area in which at least one of the plurality of insulating layers is lost in a belt-like shape. The first partition is provided in the belt-like area.

公开(公告)号：US20240276860A1

公开(公告)日：2024-08-15

申请号：US18436096

申请日：2024-02-08

Applicant: Japan Display Inc.

Inventor： Sho YANAGISAWA ,  Hiroshi TABATAKE ,  Kota MAKISHI ,  Kazuyuki ENDOU

IPC: H10K71/70 ,  H10K59/131 ,  H10K59/80

CPC classification number: H10K71/70 ,  H10K59/131 ,  H10K59/871

Abstract: According to one embodiment, a mother substrate for a display device includes an inspection portion. The inspection portion includes first, second, third and fourth pads, a first line portion connected to the first pad, a second line portion connected to the second pad, a third line portion connected to the third pad and the fourth pad and including a middle portion, a first partition connected to the middle portion, a second partition surrounding the first partition, an organic layer provided between the first partition and the second partition, and an upper electrode which covers the organic layer. The upper electrode is in contact with a lower portion of the first partition and a lower portion of the second partition.

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：US20250048847A1

公开(公告)日：2025-02-06

申请号：US18780565

申请日：2024-07-23

Applicant: Japan Display Inc.

Inventor： Sho YANAGISAWA

IPC: H10K59/122 ,  H10K59/12

Abstract: According to one embodiment, a display device includes a first inorganic insulating layer, an organic insulating layer, a lower electrode, a second 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 terminals provided on the first inorganic insulating layer. The organic insulating layer has first apertures which overlap the terminals, respectively, and at least one second aperture located between the adjacent terminals. The second inorganic insulating layer has third apertures which overlap the terminals, respectively, and is in contact with the first inorganic insulating layer in the second aperture.

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：US20230284510A1

公开(公告)日：2023-09-07

申请号：US18099261

申请日：2023-01-20

Applicant: Japan Display Inc.

Inventor： Sho YANAGISAWA ,  Masato ISHIKAWA ,  Tatsuya NISHINO ,  Hideyuki TAKAHASHI ,  Hiroshi TABATAKE

IPC: H10K59/80 ,  H10K59/131

CPC classification number: H10K59/8723 ,  H10K59/131 ,  H10K59/8722

Abstract: An organic electroluminescence display device includes a substrate including a first surface, a first area arranged on the first surface and including one or more first spacers and a plurality of pixels each including a light-emitting layer, a third area arranged on the first surface, surrounding the first area, and not including spacers, and a second area arranged on the first surface, surrounding the third area, and including one or more second spacers. The plurality of pixels each including the light-emitting layer is arranged along a first direction and a second direction intersecting the first direction, and a length of the third area in the second direction is a total length of pitches for at least two pixels.