公开(公告)号：US12185595B2

公开(公告)日：2024-12-31

申请号：US18408682

申请日：2024-01-10

Applicant: Japan Display Inc.

Inventor： Hiroumi Kinjo

IPC: 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.

公开(公告)号：US11656134B2

公开(公告)日：2023-05-23

申请号：US17124835

申请日：2020-12-17

Applicant: Japan Display Inc.

Inventor： Hiroumi Kinjo

IPC: G01L1/20 ,  G01L1/22 ,  H01L29/84

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.

公开(公告)号：US12124145B2

公开(公告)日：2024-10-22

申请号：US18362091

申请日：2023-07-31

Applicant: Japan Display Inc.

Inventor： Hiroumi Kinjo ,  Koichi Igeta ,  Shinichiro Oka

IPC: G02F1/137 ,  G02F1/1333 ,  G02F1/1335 ,  G02F1/1337

CPC classification number: G02F1/13718 ,  G02F1/133365 ,  G02F1/133536 ,  G02F1/133757 ,  G02F1/133761 ,  G02F1/133788

Abstract: 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.

公开(公告)号：US12114530B2

公开(公告)日：2024-10-08

申请号：US17651833

申请日：2022-02-21

Applicant: Japan Display Inc.

Inventor： Hiroumi Kinjo

IPC: H10K59/121 ,  H10K59/35

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.

公开(公告)号：US11910655B2

公开(公告)日：2024-02-20

申请号：US17521045

申请日：2021-11-08

Applicant: Japan Display Inc.

Inventor： Hiroumi Kinjo

IPC: H10K59/122 ,  H10K50/814 ,  H10K59/123

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.

公开(公告)号：US11818930B2

公开(公告)日：2023-11-14

申请号：US17645161

申请日：2021-12-20

Applicant: Japan Display Inc.

Inventor： Hayata Aoki ,  Hiroumi Kinjo ,  Masumi Nishimura

IPC: H10K59/122 ,  H10K59/35 ,  H10K59/131

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.

公开(公告)号：US11781925B2

公开(公告)日：2023-10-10

申请号：US17467757

申请日：2021-09-07

Applicant: Japan Display Inc.

Inventor： Hiroumi Kinjo

IPC: G01L1/14 ,  H01L25/065

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.

公开(公告)号：US12135252B2

公开(公告)日：2024-11-05

申请号：US17686910

申请日：2022-03-04

Applicant: Japan Display Inc.

Inventor： Hiroumi Kinjo

IPC: G01L1/20 ,  G01L1/14 ,  G01L1/16

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.

公开(公告)号：US12135250B2

公开(公告)日：2024-11-05

申请号：US17690301

申请日：2022-03-09

Applicant: Japan Display Inc.

Inventor： Hiroumi Kinjo

IPC: G01L1/16 ,  H10N30/00 ,  H10N30/06 ,  H10N30/079 ,  H10N30/098 ,  H10N30/30 ,  H10N30/857 ,  H10N30/87

Abstract: 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.

公开(公告)号：US12114550B2

公开(公告)日：2024-10-08

申请号：US18481293

申请日：2023-10-05

Applicant: Japan Display Inc.

Inventor： Hayata Aoki ,  Hiroumi Kinjo ,  Masumi Nishimura

IPC: H10K59/131 ,  H10K50/86 ,  H10K59/122 ,  H10K59/35

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.