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公开(公告)号：US20230378195A1
公开(公告)日：2023-11-23
申请号：US18135744
申请日：2023-04-18
Applicant: Japan Display Inc.
Inventor： Takumi SANO
IPC: H01L27/12
CPC classification number: H01L27/1244 , H01L27/1218
Abstract: The purpose of the invention is to realize a flexible electronic device of high reliability. The present invention takes a following structure to realize the purpose. An electronic device including: a plurality of element areas, arrayed in a first direction with a first distance, and arrayed in a second direction with a second distance, the plurality of element areas being connected with each other in the first direction by a first organic insulating film, which meanderingly extends in the first direction, graphene being formed on a surface of the first organic insulating film to form a first wiring, the plurality of element areas being connected with each other in the second direction by a second organic insulating film, which meanderingly extends in the second direction, graphene being formed on a surface of the second organic insulating film to form a second wiring.
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公开(公告)号：US20230345747A1
公开(公告)日：2023-10-26
申请号：US18300537
申请日：2023-04-14
Applicant: Japan Display Inc.
Inventor： Takumi SANO
IPC: H10K39/38
CPC classification number: H10K39/38 , H10K39/401
Abstract: According to one embodiment, a flexible substrate including an insulating base including a plurality of first strip portions, a plurality of second strip portions, and a plurality of island-shaped portions located at the intersections of the first strip portions and the second strip portions, a plurality of electric elements each including a lower electrode, an upper electrode, and an active layer located between the lower electrode and the upper electrode, and overlapping with the island-shaped portions, and a first stress relaxation layer located between the lower electrode and the active layer, wherein the first stress relaxation layer is formed of a conductive resin material.
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公开(公告)号：US20220416182A1
公开(公告)日：2022-12-29
申请号：US17897562
申请日：2022-08-29
Applicant: Japan Display Inc.
Inventor： Takumi SANO
Abstract: According to one embodiment, an electronic device, wherein a insulating base and a wiring line are located between a first resin layer and a second resin layer, the insulating base includes a plurality of line portions in which the wiring line is located, and a plurality of island-shaped portions connected to the plurality of line portions, the second resin layer includes a first portion overlapping the plurality of line portions and the plurality of island-shaped portions, and a second portion located between the plurality of line portions, the second portion is in contact with the first resin layer, and at least one of the first resin layer, the first portion and the second portion is a shape memory resin layer.
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公开(公告)号：US20220087009A1
公开(公告)日：2022-03-17
申请号：US17455932
申请日：2021-11-22
Applicant: Japan Display Inc.
Inventor： Takumi SANO
IPC: H05K1/02
Abstract: According to one embodiment, a flexible substrate includes an insulating base including a first surface and a second surface on an opposite side to the first surface, a wiring layer provided on the second surface side of the insulating base and a resin layer including a support located on the first surface side of the insulating base and a coating layer located on the second surface side of the insulating base, the resin layer including a first area and a second area in planar view, the resin layer having a first elastic modulus in the first area and a second elastic modulus in the second area, and the first elastic modulus being greater than the second elastic modulus.
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公开(公告)号：US20220065722A1
公开(公告)日：2022-03-03
申请号：US17462519
申请日：2021-08-31
Applicant: Japan Display Inc.
Inventor： Takumi SANO , Shinichiro OKA
IPC: G01L9/08 , H01L41/047 , H01L41/113 , H01L41/193
Abstract: According to one embodiment, a pressure sensor includes an insulating base material, an switching element disposed on the insulating base material, a piezoelectric layer disposed on the insulating base material and the switching element and an underlying layer located between the piezoelectric layer and the insulating base material, and the modulus of elasticity of the underlying layer is greater than the modulus of elasticity of the piezoelectric layer.
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Patent Agency Ranking
公开(公告)号：US20180366662A1
公开(公告)日：2018-12-20
申请号：US15980790
申请日：2018-05-16
Applicant: Japan Display Inc.
Inventor： Takumi SANO
CPC classification number: H01L51/0097 , B32B3/26 , B32B7/12 , B32B9/045 , B32B27/08 , B32B27/281 , B32B27/36 , B32B2307/206 , B32B2457/206 , H01L27/3244 , H01L2251/5338
Abstract: According to one embodiment, a display device includes an insulating substrate including a first surface on which a plurality of pixels are disposed and a second surface on an opposite side to the first surface, a support substrate disposed on the second surface side of the insulating substrate and an adhesive layer located between the insulating substrate and the support substrate, and the display device includes a display area on which the plurality of pixels are arranged, and an end portion of the adhesive layer is located closer to the display area than an end portion of the insulating substrate.
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公开(公告)号：US20170244067A1
公开(公告)日：2017-08-24
申请号：US15442089
申请日：2017-02-24
Applicant: Japan Display Inc.
Inventor： Takumi SANO , Yasushi Kawata
IPC: H01L51/52
CPC classification number: H01L51/5256 , G02F1/13452 , G02F1/13458 , G02F2201/50 , H01L27/3258 , H01L27/3276 , H01L51/5203 , H01L51/5253
Abstract: According to one embodiment, a display device includes an insulating substrate including a first area and a second area adjacent to the first area, the insulating substrate including a first through hole formed in the second area which is formed thinner than the first area, a pad electrode disposed above the first through hole, a signal line electrically connected to the pad electrode, a line substrate including a connection line and disposed below the insulating substrate, a conductive material disposed inside the first through hole to electrically connect the pad electrode and the connection line, a first protection member disposed below the first area, and a second protection member disposed below the first protection member.
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公开(公告)号：US20250016920A1
公开(公告)日：2025-01-09
申请号：US18760610
申请日：2024-07-01
Applicant: Japan Display Inc.
Inventor： Takumi SANO , Yosuke HYODO
Abstract: According to an aspect, a stretchable device includes: a resin base member; an array layer provided to the resin base member; and a pair of resin layers that sandwich the resin base member and the array layer from both sides in a thickness direction in which the resin base member and the array layer are disposed, the resin layers being made of resin having lower elastic modulus than that of the resin base member. The resin base member includes: bodies separated from each other in a direction orthogonal to the thickness direction; and hinges coupling the bodies while meandering. The array layer includes functional elements overlapping the bodies when viewed in the thickness direction. The resin layers are provided with first rigid parts having higher elastic modulus than that of the resin that forms the resin layers. The first rigid parts overlap the bodies when viewed in the thickness direction.
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公开(公告)号：US20240147615A1
公开(公告)日：2024-05-02
申请号：US18483542
申请日：2023-10-10
Applicant: Japan Display Inc.
Inventor： Takumi SANO , Akio MURAYAMA , Shinichiro OKA , Masatomo HISHINUMA
CPC classification number: H05K1/032 , H05K1/0306 , H05K1/118 , H05K3/103 , H05K2201/10106 , H05K2201/10151
Abstract: According to one embodiment, an electronic device includes an elastic insulating base including a plurality of island-shaped portions and a plurality of strip-like portions each connecting respective adjacent pair of the plurality of island-shaped portions, electrical element located on each of the plurality of island-shaped portions and a plurality of wiring lines located in the plurality of strip-like portions respectively and each electrically connected to the electrical element. Each of the plurality of strip-like portions including a curved portion, and a ratio (R/W) of a radius (R) of curvature in the curved portions to the width W in the curved portion is in a range of 10≤R/W≤20.
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公开(公告)号：US20240114616A1
公开(公告)日：2024-04-04
申请号：US18479833
申请日：2023-10-03
Applicant: Japan Display Inc.
Inventor： Yosuke HYODO , Takumi SANO , Hiroumi KINJO , Masatomo HISHINUMA
IPC: H05K1/02
CPC classification number: H05K1/0283 , H05K2201/10151
Abstract: According to an aspect, a stretchable device includes: a resin base member; and a strain gauge, a signal line, and an output line stacked on the resin base member. The resin base member includes: a plurality of bodies disposed separately from each other; and a plurality of hinges that couple the bodies adjacently disposed while meandering in an intersecting direction intersecting an imaginary line that couples the bodies adjacently disposed. The hinges include a first hinge and a second hinge that couple the bodies adjacently disposed. A meander length of the second hinge in the intersecting direction is longer than a meander length of the first hinge in the intersecting direction. The strain gauge is provided to the first hinge. The signal line and the output line are provided to the second hinge.
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