公开(公告)号：US20250142733A1

公开(公告)日：2025-05-01

申请号：US19007808

申请日：2025-01-02

Applicant: Japan Display Inc.

Inventor： Koji ISHIZAKI ,  Daisuke SONODA ,  Toshimasa ISHIGAKI

IPC: H05K3/28 ,  G02F1/1333 ,  G06F3/041 ,  G06F3/044 ,  H05K1/11

Abstract: A detection device is provided including first substrate including first region, second region and third region arranged in first direction, second region arranged between first and third regions; first detection electrode arranged on first substrate; second detection electrode arranged on first substrate and being adjacent to first detection electrode; first electrode coupled to first detection electrode and continuously formed from first to third regions; second electrode coupled to second detection electrode, and continuously formed from first to third regions, convex portions located between first electrode and second electrode in second region and spaced away from first and second electrodes; and protective layer formed on first and second electrodes in first region and not formed on first electrode and second electrode in third region, wherein at least one of convex portions is covered with protective layer, and at least another one of convex portions is not covered with protective layer.

公开(公告)号：US20250140190A1

公开(公告)日：2025-05-01

申请号：US18931526

申请日：2024-10-30

Applicant: Japan Display Inc.

Inventor： Tetsuo MORITA ,  Hiroshi TABATAKE

IPC: G09G3/3233 ,  H10K59/131

Abstract: A display device can include a base, a plurality of pixels arranged in a display area on the base, and a data signal line supplying a data signal to each of the plurality of pixels. Each of the plurality of pixels can include a pixel circuit including a plurality of transistors and a light emitting element driven by the pixel circuit. The pixel circuit can drive the light emitting element to emit light in time division. The first transistor can be connected to the data signal line, among the plurality of transistors including the pixel circuit, can be an oxide transistor.

公开(公告)号：US20250134462A1

公开(公告)日：2025-05-01

申请号：US19009680

申请日：2025-01-03

Applicant: Japan Display Inc. ,  The University of Tokyo

Inventor： Kento Himoto ,  Takashi Nakamura ,  Takao Someya ,  Tomoyuki Yokota ,  Dongkai Cheng

IPC: A61B5/00 ,  A61B5/1455

Abstract: According to an aspect, a detection device includes: a plurality of optical sensors arranged in a detection area; a light source configured to emit light to the optical sensors; an analog front-end (AFE) circuit configured to acquire a detection value of each of the optical sensors; and a signal processing circuit configured to acquire predefined biometric information based on first time-domain data obtained by acquiring the detection values in chronological order. The signal processing circuit is configured to: convert the first time-domain data into a time-domain matrix and perform singular value decomposition on the time-domain matrix, and inversely calculate second time-domain data based on a predetermined singular value among a plurality of singular values obtained as a result of the singular value decomposition; and acquire the biometric information that changes in chronological order as image information using the second time-domain data.

公开(公告)号：US12289842B2

公开(公告)日：2025-04-29

申请号：US18302840

申请日：2023-04-19

Applicant: Japan Display Inc.

Inventor： Takumi Sano

IPC: B29C65/00 ,  H05K1/02 ,  H05K3/28 ,  H05K3/46 ,  B29C65/02 ,  B29C65/48 ,  B29C65/50 ,  B29C65/52 ,  B29C65/74 ,  B29C65/78 ,  H05K3/00

Abstract: According to one embodiment, a method of manufacturing a flexible substrate, includes forming a release layer on a glass substrate, forming an insulating base, forming a plurality of insulating layers, wiring lines and electrical elements, asking the release layer, the insulating base and the plurality of insulating layers from above to the glass substrate via a mask, forming an upper resin layer, removing the glass substrate and the release layer by peeling off an interface between the release layer and the insulating base and forming a lower resin layer so as to be in contact with a lower surface of the insulating base and a lower surface of the upper resin layer.

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：US20250133874A1

公开(公告)日：2025-04-24

申请号：US18989284

申请日：2024-12-20

Applicant: Japan Display Inc.

Inventor： Ryo ONODERA ,  Masumi NISHIMURA

IPC: H10H20/825 ,  H10H20/01 ,  H10H20/817 ,  H10H20/831

Abstract: A gallium nitride-based semiconductor device includes an amorphous substrate, an orientation control layer on the amorphous substrate, a gallium nitride-based semiconductor layer on the orientation control layer, and at least one electrode in contact with the gallium nitride-based semiconductor layer. The at least one electrode is formed on the gallium nitride-based semiconductor layer by vacuum evaporation using a resistance heating evaporation source as a metallic material as a vapor deposition material.

公开(公告)号：US20250131861A1

公开(公告)日：2025-04-24

申请号：US18918666

申请日：2024-10-17

Applicant: Japan Display Inc.

Inventor： Hitoshi TANAKA

IPC: G09G3/00 ,  H01L25/075 ,  H04N13/344

Abstract: According to an aspect, a display system includes: a wearable part; a first display device having a first display region; a second display device having a second display region; and a drive circuit. The first display region and the second display region are provided with sub-pixels arrayed along a first direction and a second direction. The sub-pixels include first sub-pixels, second sub-pixels, and third sub-pixels. The first sub-pixels are continuously arrayed in a third direction inclined with respect to the first and second directions, the second sub-pixels are continuously arrayed in the third direction, and the third sub-pixels are continuously arrayed in the third direction. A first angle between a fifth direction and the third direction is smaller than a second angle between the second direction and the third direction. The fifth direction is orthogonal to a fourth direction in which the first and second display regions are arranged.

公开(公告)号：US20250130668A1

公开(公告)日：2025-04-24

申请号：US19007758

申请日：2025-01-02

Applicant: Japan Display Inc.

Inventor： Naosuke FURUTANI ,  Hayato KURASAWA ,  Makoto HAYASHI

IPC: G06F3/041 ,  G02F1/1333 ,  G02F1/1335 ,  G02F1/1337 ,  G02F1/1343 ,  G02F1/1362 ,  G02F1/1368 ,  G06F3/044 ,  G09G3/36

Abstract: A display device with a touch sensor having a display function and a touch sensor function is provided. The display device includes a first substrate including a pixel electrode; a first electrode along a first direction; and a second substrate including a second electrode that includes patterns of electrodes along a second direction crossing the first direction and that faces the first electrode and the pixel electrode, wherein upon the display function being activated, the pixel electrode is supplied with a pixel signal, and the second electrode is supplied with common voltage, and upon the touch sensor function being activated, the first electrode is applied with a first signal and the second electrode is configured to receive the first signal to be a second signal as a touch detecting signal.