Patents by Inventor Hiroumi KINJO
Hiroumi KINJO has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 12379277Abstract: According to one embodiment, a calibration method includes placing a pressure sensor on a base material having magnetic properties, placing a magnet on the pressure sensor, attracting the magnet to the base material while interposing the pressure sensor therebetween and applying a predetermined pressing force onto the pressure sensor, detecting a sensor output of a pressure-sensitive portion pressed by the magnet, estimating the deterioration of the pressure sensor by comparing the sensor output with a specified value corresponding to characteristics of the magnet, generating correction data to calibrate the degradation and inputting the generated correction data to the pressure sensor.Type: GrantFiled: December 20, 2022Date of Patent: August 5, 2025Assignee: Japan Display Inc.Inventor: Hiroumi Kinjo
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Patent number: 12328994Abstract: An electronic device includes an insulating base including a strip-shaped portion having elasticity and an island-shaped portion connected to the strip-shaped portion, an organic insulating film disposed on the insulating base, an inorganic insulating film disposed on the organic insulating film, a wiring disposed between the strip-shaped portion and the organic insulating film, an electrical element disposed on the inorganic insulating film and electrically connected to the wiring, in the island-shaped portion, a barrier wall overlapping the island-shaped portion and the strip-shaped portion and surrounding the electrical element, and a sealing film covering the electrical element.Type: GrantFiled: May 27, 2022Date of Patent: June 10, 2025Assignee: Japan Display Inc.Inventors: Masatomo Hishinuma, Hiroumi Kinjo, Hayata Aoki
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Patent number: 12328813Abstract: According to one embodiment, an electronic device includes a first substrate and a second substrate. The first substrate includes a first insulating base, a wiring layer and a sensor electrode. The first insulating base is made into a mesh-like form. The wiring layer is disposed over a first band portion of the first insulating base. The sensor electrode is disposed over a first island-shaped portion of the first insulating base. The second substrate includes a second insulating base, a common electrode and a sensor sheet. The second insulating base is made into a mesh-like form. The common electrode is made into a mesh-like form. The sensor sheet overlaps a second island-shaped portion of the second insulating base in plan view and is disposed below the common electrode.Type: GrantFiled: April 5, 2023Date of Patent: June 10, 2025Assignee: Japan Display Inc.Inventors: Masatomo Hishinuma, Hiroumi Kinjo
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Publication number: 20250143094Abstract: According to one embodiment, a display device includes a substrate, an organic insulating layer provided on the substrate and having a recess portion, a lower electrode provided in the recess portion and embedded in the organic insulating layer, a rib which has a pixel aperture overlapping the lower electrode, an auxiliary line which includes a conductive lower portion and an upper portion, an upper electrode which faces the lower electrode and is connected to the auxiliary line, and an organic layer which is provided between the lower electrode and the upper electrode. An upper surface of the lower electrode is exposed from the organic insulating layer in the pixel aperture and is in contact with the organic layer.Type: ApplicationFiled: October 25, 2024Publication date: May 1, 2025Applicant: Japan Display Inc.Inventors: Hayata AOKI, Hiroumi KINJO
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Patent number: 12268069Abstract: According to one embodiment, a display device includes a lower electrode arranged on a first insulating layer, a second insulating layer arranged on the first insulating layer, having an opening overlapping the lower electrode, and being in a lattice form, a feed line arranged on the second insulating layer, having a first line portion, a second line portion, and a third line portion being continuous with the first and second line portions and having a different width from the first and second line portions, an organic layer arranged in the opening and covering the lower electrode, and an upper electrode being in contact with the first, second and third line portions, and covering the organic layer.Type: GrantFiled: October 5, 2023Date of Patent: April 1, 2025Assignee: Japan Display Inc.Inventors: Hayata Aoki, Hiroumi Kinjo, Masumi Nishimura
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Patent number: 12253425Abstract: A force sensor includes a resin substrate, an array substrate, a sensor layer, a common electrode, and a protective film that are sequentially stacked. The array substrate includes a stretchable base material stacked on the resin substrate, and an array layer stacked on the resin substrate with the stretchable base material interposed between the array layer and the resin substrate, and the stretchable base material includes a plurality of first extension parts extending in a first direction parallel to the resin substrate and arranged in a second direction parallel to the resin substrate and intersecting the first direction, a plurality of second extension parts extending in the second direction and arranged in the first direction, and a plurality of body parts provided at parts where the first extension parts intersect the second extension parts.Type: GrantFiled: January 12, 2023Date of Patent: March 18, 2025Assignee: Japan Display Inc.Inventors: Hiroumi Kinjo, Masatomo Hishinuma
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Publication number: 20250027824Abstract: According to an aspect, a force sensor includes: a sensor sheet having a first surface and a second surface on an opposite side to the first surface; a substrate facing the first surface; a first adhesive layer interposed between the substrate and the sensor sheet and made of an anisotropic conductive material; and a plurality of array electrodes interposed between the substrate and the first adhesive layer and separated from each other. The first surface of the sensor sheet is bonded to the first adhesive layer. The first adhesive layer has conductivity in a thickness direction and has insulation properties in a planar direction along a plane.Type: ApplicationFiled: October 2, 2024Publication date: January 23, 2025Inventor: Hiroumi KINJO
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Publication number: 20250022883Abstract: According to an aspect, a stretchable device includes: a stretchable substrate comprising bodies and hinges that couple the bodies to each other; and a pair of stretchable resins with the stretchable substrate interposed therebetween. The stretchable device includes a detection region in which a load is capable of being detected and a non-detection region when viewed in a stacking direction in which the stretchable substrate and the stretchable resins overlap. One or more of the hinges are detection hinges each provided with a strain gauge. All of the detection hinges overlap the detection region when viewed in the stacking direction. The stretchable resins each includes: a bonded region that overlaps the non-detection region when viewed in the stacking direction and is bonded to the stretchable substrate; and an unbonded region that overlaps the detection region when viewed in the stacking direction and is not bonded to the stretchable substrate.Type: ApplicationFiled: July 9, 2024Publication date: January 16, 2025Applicant: Japan Display Inc.Inventors: Yosuke HYODO, Hiroumi KINJO, Masatomo HISHINUMA
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Publication number: 20250016915Abstract: According to an aspect, a stretchable device includes: a stretchable substrate comprising a first resin layer, a resin base member, an array layer, and a second resin layer stacked in the order as listed; and a flexible printed circuit board electrically coupled to an electrical circuit included in the array layer. The resin base member includes end portions separated from each other. The electrical circuit comprises a plurality of first coupling terminals disposed on the end portions. The flexible printed circuit board comprises second coupling terminals facing the first coupling terminals. An anisotropic conductive resin layer electrically coupling the first coupling terminals to the second coupling terminals is provided between the first coupling terminals and the second coupling terminals. The first resin layer has: a first surface provided with the resin base member; and a dummy end portion provided to the first surface and disposed around the end portions.Type: ApplicationFiled: July 3, 2024Publication date: January 9, 2025Applicant: Japan Display Inc.Inventors: Takumi SANO, Hiroumi KINJO
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Patent number: 12185590Abstract: According to one embodiment, a display device includes a base, a first insulating layer disposed on the base, a first electrode disposed on the first insulating layer, a second insulating layer disposed on the first insulating layer and including an opening overlapping the first electrode, a first trench not overlapping the first electrode, and a first surface between the opening and the first trench, an organic layer including a light-emitting layer, and a second electrode covering the organic layer. The organic layer includes a first portion disposed in the opening and covering the first electrode, a second portion disposed on the first surface, and a third portion disposed in the first trench and separated from the second portion.Type: GrantFiled: October 21, 2021Date of Patent: December 31, 2024Assignee: Japan Display Inc.Inventor: Hiroumi Kinjo
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Patent number: 12185595Abstract: According to one embodiment, a display device includes a base, a driving transistor placed on the base, a first insulating layer placed on the driving transistor, a cathode electrode placed on the first insulating layer, an organic layer including a light-emitting layer placed on the cathode electrode, an anode electrode that covers the organic layer, a second insulating layer placed on the first insulating layer and having an opening superposed on the cathode electrode, and a barrier wall placed on the second insulating layer. The anode electrode is electrically connected to the driving transistor through a first contact hole formed in the first insulating layer and the second insulating layer.Type: GrantFiled: January 10, 2024Date of Patent: December 31, 2024Assignee: JAPAN DISPLAY INC.Inventor: Hiroumi Kinjo
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Publication number: 20240397827Abstract: A detecting device includes a plurality of ultrasonic transducers that transmit and receive ultrasonic waves. The detecting device includes a laminate, and a frame layer stacked on at least one face of a first face of the laminate and a second face opposite the first face. The laminate includes a flexible substrate, a circuit layer including a plurality of first electrodes and at least one second electrode, the circuit layer being stacked on the flexible substrate, and a piezoelectric layer stacked on the circuit layer. One of the ultrasonic transducers includes at least one of the first electrodes that is in contact with the piezoelectric layer, and at least one of the second electrodes that is in contact with the piezoelectric layer, and the frame layer has a cavity at a position that overlaps the first electrode in plan view.Type: ApplicationFiled: August 6, 2024Publication date: November 28, 2024Applicant: Japan Display Inc.Inventor: Hiroumi KINJO
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Publication number: 20240377268Abstract: A load detection device includes a force detector, an elastic deformation part, and an input unit disposed in order in a first direction. The force detector includes an array substrate provided with a plurality of array electrodes on a first surface, the first surface facing the first direction, and a sensor layer facing the array electrodes.Type: ApplicationFiled: May 8, 2024Publication date: November 14, 2024Inventor: Hiroumi KINJO
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Publication number: 20240377267Abstract: A load detection device includes a force detector and an elastic deformation part disposed in order in a first direction. The force detector includes an array substrate provided with a plurality of array electrodes on a first surface facing the first direction, and a sensor layer facing the array electrodes.Type: ApplicationFiled: May 8, 2024Publication date: November 14, 2024Inventor: Hiroumi KINJO
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Patent number: 12135250Abstract: A piezoelectric sensor, comprising: a stress applying layer in which a plurality of stress applying grooves extending in parallel with a first direction are formed in a predetermined region on a whole surface; and a piezoelectric layer that is layered on the stress applying layer and formed from a polymer piezoelectric material containing an optical active polymer.Type: GrantFiled: March 9, 2022Date of Patent: November 5, 2024Assignee: Japan Display Inc.Inventor: Hiroumi Kinjo
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Patent number: 12135252Abstract: A force sensor includes: a sensor sheet having a first surface and a second surface on an opposite side to the first surface; a substrate facing the first surface; a first adhesive layer interposed between the substrate and the sensor sheet and made of an anisotropic conductive material; and a plurality of array electrodes interposed between the substrate and the first adhesive layer and separated from each other. The first surface of the sensor sheet is bonded to the first adhesive layer. The first adhesive layer has conductivity in a thickness direction and has insulation properties in a planar direction along a plane.Type: GrantFiled: March 4, 2022Date of Patent: November 5, 2024Assignee: Japan Display Inc.Inventor: Hiroumi Kinjo
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Publication number: 20240361505Abstract: A manufacturing method of a liquid crystal optical element includes preparing a liquid crystal film having a cholesteric liquid crystal, preparing a transparent substrate in which at least a material forming a main surface is an inorganic material, applying a solution containing a silane coupling agent to the main surface of the transparent substrate, stacking the liquid crystal film on the silane coupling agent, and heating the silane coupling agent.Type: ApplicationFiled: April 25, 2024Publication date: October 31, 2024Applicant: Japan Display Inc.Inventors: Koichi IGETA, Yasushi TOMIOKA, Hiroumi KINJO, Shinichiro OKA
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Patent number: 12124145Abstract: According to one embodiment, a method of manufacturing a liquid crystal element, includes forming an alignment layer on a support, forming a cholesteric liquid crystal layer containing a plasticizer and having elasticity on the alignment layer, adhering a flexible substrate to the cholesteric liquid crystal layer via a first adhesive layer, peeling the cholesteric liquid crystal layer adhered to the flexible substrate, off from the support and the alignment layer, adhering the cholesteric liquid crystal layer to a rigid substrate via a second adhesive layer and removing the flexible substrate and the first adhesive layer.Type: GrantFiled: July 31, 2023Date of Patent: October 22, 2024Assignee: Japan Display Inc.Inventors: Hiroumi Kinjo, Koichi Igeta, Shinichiro Oka
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Patent number: 12114550Abstract: According to one embodiment, a display device includes a lower electrode arranged on a first insulating layer, a second insulating layer arranged on the first insulating layer, having an opening overlapping the lower electrode, and being in a lattice form, a feed line arranged on the second insulating layer, having a first line portion, a second line portion, and a third line portion being continuous with the first and second line portions and having a different width from the first and second line portions, an organic layer arranged in the opening and covering the lower electrode, and an upper electrode being in contact with the first, second and third line portions, and covering the organic layer.Type: GrantFiled: October 5, 2023Date of Patent: October 8, 2024Assignee: Japan Display Inc.Inventors: Hayata Aoki, Hiroumi Kinjo, Masumi Nishimura
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Patent number: 12114530Abstract: According to one embodiment, a display device comprises a pixel circuit, an insulating layer that covers the pixel circuit and includes a first trench, a first electrode disposed on the insulating layer, an organic layer disposed on the first electrode, a second electrode disposed on the organic layer, and a first filling layer that fills at least a part of the first trench. An end portion of the first electrode is located inside the first trench and is covered with the first filling layer.Type: GrantFiled: February 21, 2022Date of Patent: October 8, 2024Assignee: Japan Display Inc.Inventor: Hiroumi Kinjo