Display device
    1.
    发明授权

    公开(公告)号:US12185595B2

    公开(公告)日:2024-12-31

    申请号:US18408682

    申请日:2024-01-10

    Inventor: Hiroumi Kinjo

    Abstract: 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.

    Pressing force sensor with improved dynamic range increase

    公开(公告)号:US11656134B2

    公开(公告)日:2023-05-23

    申请号:US17124835

    申请日:2020-12-17

    Inventor: Hiroumi Kinjo

    CPC classification number: G01L1/205 G01L1/2293 H01L29/84

    Abstract: A pressing force sensor includes a sensor area, individual electrodes arranged in a matrix in a first direction and a second direction crossing the first direction in the sensor area, a common electrode opposed to the individual electrodes, first spacers arranged between the individual electrodes and the common electrode and overlapping the individual electrodes, and second spacers disposed in the sensor area and formed of a different material from the first spacers. With that arrangement, the dynamic range of the pressing force sensor is increased.

    Display device including a first electrode including an end portion inside a trench

    公开(公告)号:US12114530B2

    公开(公告)日:2024-10-08

    申请号:US17651833

    申请日:2022-02-21

    Inventor: Hiroumi Kinjo

    CPC classification number: H10K59/121 H10K59/353

    Abstract: 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.

    Force sensor
    5.
    发明授权

    公开(公告)号:US12253425B2

    公开(公告)日:2025-03-18

    申请号:US18153435

    申请日:2023-01-12

    Abstract: 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.

    Display device including an organic layer

    公开(公告)号:US12185590B2

    公开(公告)日:2024-12-31

    申请号:US17451676

    申请日:2021-10-21

    Inventor: Hiroumi Kinjo

    Abstract: 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.

    Display device
    7.
    发明授权

    公开(公告)号:US11910655B2

    公开(公告)日:2024-02-20

    申请号:US17521045

    申请日:2021-11-08

    Inventor: Hiroumi Kinjo

    CPC classification number: H10K59/122 H10K50/814 H10K59/123

    Abstract: 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.

    Display device
    8.
    发明授权

    公开(公告)号:US11818930B2

    公开(公告)日:2023-11-14

    申请号:US17645161

    申请日:2021-12-20

    CPC classification number: H10K59/131 H10K59/353

    Abstract: 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.

    Force sensor including multiple array substrates

    公开(公告)号:US11781925B2

    公开(公告)日:2023-10-10

    申请号:US17467757

    申请日:2021-09-07

    Inventor: Hiroumi Kinjo

    CPC classification number: G01L1/146 H01L25/0655

    Abstract: A force sensor including an array layer that includes array substrates arranged on an identical plane such that end portions thereof are adjacent to each other, the force sensor includes



    the array layer having a first surface on which array electrodes are disposed and a second surface opposite to the first surface;
    a conductive layer layered on the first surface of the array layer;
    a protection layer layered on the conductive layer; and
    a counter electrode interposed between the conductive layer and the protection layer, wherein
    a bonding member which bonds the adjacent array substrates and covers a joint between the adjacent array substrates is provided on the second surface of the array layer,
    the conductive layer is composed of a single member layered across each of the array substrates, and
    a sealing portion having a frame shape is provided on an outer circumference side of the conductive layer.

    Force sensor with conductive films
    10.
    发明授权

    公开(公告)号:US12135252B2

    公开(公告)日:2024-11-05

    申请号:US17686910

    申请日:2022-03-04

    Inventor: Hiroumi Kinjo

    Abstract: 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.

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