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公开(公告)号：US09997589B2
公开(公告)日：2018-06-12
申请号：US15492348
申请日：2017-04-20
Applicant: Japan Display Inc.
Inventor： Kazuto Tsuruoka
CPC classification number: H01L27/3276 , H01L24/16 , H01L24/32 , H01L24/73 , H01L27/124 , H01L27/3255 , H01L51/0097 , H01L51/5237 , H01L2224/16225 , H01L2224/16227 , H01L2224/32225 , H01L2224/32227 , H01L2224/73203 , H01L2224/73204 , Y02E10/549 , Y02P70/521 , H01L2924/00
Abstract: A display device according to the invention includes: a first substrate that includes a flexible substrate, is segmented into a display area and a non-display area outside the display area, and includes a thin film transistor and an electroluminescent light-emitting element formed on the display area of the flexible substrate; and an IC chip that is bonded on the non-display area of the first substrate via an anisotropic conductive film, wherein the first substrate includes, between the flexible substrate and the anisotropic conductive film, at least one or more support layers whose plan view shape is larger than that of the IC chip and whose hardness is higher than that of the flexible substrate, and the IC chip is located inside the at least one or more support layers in a plan view.
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公开(公告)号：US09761654B2
公开(公告)日：2017-09-12
申请号：US15208705
申请日：2016-07-13
Applicant: Japan Display Inc.
Inventor： Kazuto Tsuruoka , Norio Oku
CPC classification number: H01L27/3276 , G02F1/1345 , G02F2201/42 , G09F9/30 , H01L23/481 , H01L27/124 , H01L27/1248 , H01L27/3248 , H01L27/3262 , H01L27/3297
Abstract: A display device includes a first substrate arranged with a plurality of pixels on a first surface, the plurality of pixels having a display element including a transistor, and a first wiring connected to the transistor, a through electrode arranged in a first contact hole reaching the first wiring from a second surface facing the first surface of the first substrate, a second wiring connected with the through electrode, a first insulation film arranged covering the second wiring on the second surface of the first substrate, and a terminal connected with a second wiring via a second contact hole arranged in the first insulation film.
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公开(公告)号：US11832472B2
公开(公告)日：2023-11-28
申请号：US17717194
申请日：2022-04-11
Applicant: Japan Display Inc.
Inventor： Jun Fujiyoshi , Kazuto Tsuruoka
IPC: H10K50/844 , H10K59/131 , H10K77/10 , H10K50/84 , H10K59/12 , H10K71/80 , H10K102/00
CPC classification number: H10K50/844 , H10K59/131 , H10K77/111 , H10K50/841 , H10K59/1201 , H10K71/80 , H10K2102/311 , Y02E10/549 , Y02P70/50
Abstract: The aim is to improve the bending resistance a display device. The display device in one embodiment includes a substrate including a first surface and a second surface and a curved part between the first surface and the second surface, a display element arranged on the first surface, a conducting layer connected with the display element and extending to the second surface from the first surface via the curved part, a plurality of protective layers having a lower ductility than the substrate and arranged in the substrate side and/or opposite side to the substrate side with respect to the conducting layer and along the curved part, wherein each of the plurality of protective layers spreading over the curved part, to a certain region of the first surface side from the curved part, and to a certain region of the second side from the curved part.
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公开(公告)号：US10910464B2
公开(公告)日：2021-02-02
申请号：US16805947
申请日：2020-03-02
Applicant: Japan Display Inc.
Inventor： Kazuto Tsuruoka
IPC: H01L27/32 , G09G3/3266 , H01L51/50 , H01L51/52
Abstract: A display device according to an embodiment of the present invention includes: on a substrate: an IC having a first and a second terminal array; a wiring layer having a first and a second electrode array, and a first organic layer having a covering part covering at least a part of a peripheral edge part of each of the first and the second electrode array; an electrically conductive film electrically connecting the first terminal array and the first electrode array, and the second terminal array and the second electrode array; a second organic layer provided in at least a part of an area between the covering part of the first electrode array and the covering part of the second electrode array, the electrically conductive film has a smaller thickness at a position above the second organic layer than at a position of the covering part of the first organic layer.
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公开(公告)号：US10411208B2
公开(公告)日：2019-09-10
申请号：US15671400
申请日：2017-08-08
Applicant: Japan Display Inc.
Inventor： Naohisa Andou , Kazuto Tsuruoka
Abstract: A display device includes: a spacer; a flexible substrate having flexibility, the flexible substrate being provided with a display area for performing image display, a picture-frame area, a bent area, and a terminal area including a terminal, the display area, the picture-frame area, the bent area, and the terminal area being arranged in this order, the terminal area being disposed on a rear surface side of the spacer due to the bent area being bent so as to follow the shape of the spacer; and a reinforcing film including a first reinforcing portion attached to the rear surface side of the display area, a second reinforcing portion attached to a display surface side of the terminal area, and a bent reinforcing portion attached to an inner surface side of the bent area at a portion in a width direction of the flexible substrate.
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Patent Agency Ranking
公开(公告)号：US10217956B2
公开(公告)日：2019-02-26
申请号：US16006901
申请日：2018-06-13
Applicant: Japan Display Inc.
Inventor： Naohisa Andou , Kazuto Tsuruoka
Abstract: Provided is a display device including: a base material; a display region over the base material; a wiring over the base material, the wiring extending from the display region to an outside of the display region; and a pair of metal films over the base material, where the wiring is located between the pair of metal films in a plane view. The display region may be positioned between the pair of metal films, and the wiring and the pair of metal films may exist in the same layer.
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公开(公告)号：US10034377B2
公开(公告)日：2018-07-24
申请号：US15070120
申请日：2016-03-15
Applicant: Japan Display Inc.
Inventor： Kazuto Tsuruoka , Norio Oku , Takuya Nakagawa
IPC: H05K1/00 , H05K1/14 , H05K1/11 , G02F1/1345 , H05K1/03
Abstract: A display device includes a flexible insulating substrate, an insulating layer on the insulating substrate, and a plurality of terminals made of a conductive material on the insulating layer. The insulating layer is disposed outside the area located between the terminals. The insulating substrate has a groove between the terminals.
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公开(公告)号：US20180090701A1
公开(公告)日：2018-03-29
申请号：US15709718
申请日：2017-09-20
Applicant: Japan Display Inc.
Inventor： Megumi SENDA , Naohisa Andou , Kazuto Tsuruoka
CPC classification number: H01L51/0097 , H01L27/3276 , H01L2251/5338
Abstract: To provide a display device including a spacer, a flexible substrate having a wire extending from a terminal area to a display area, and a reinforcement film having a first reinforcement attached on the rear side of the display area, a second reinforcement attached on the display side of the terminal area, a bending reinforcement attached on the respective both edge portions in the width direction of the flexible substrate on the inside surface side of the bending area, and an opening surrounded by the first reinforcement, the second reinforcement, and the bending reinforcement, wherein the opening has a shape of which width becomes larger as it goes from respective end sides to center in the width direction of the reinforcement film.
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公开(公告)号：US09806286B2
公开(公告)日：2017-10-31
申请号：US14742259
申请日：2015-06-17
Applicant: Japan Display Inc.
Inventor： Jun Fujiyoshi , Kazuto Tsuruoka
CPC classification number: H01L51/5253 , H01L27/3276 , H01L51/0097 , H01L51/524 , H01L2227/326 , H01L2251/5338 , Y02E10/549 , Y02P70/521
Abstract: The aim is to improve the bending resistance a display device. The display device in one embodiment includes a substrate including a first surface and a second surface and a curved part between the first surface and the second surface, a display element arranged on the first surface, a conducting layer connected with the display element and extending to the second surface from the first surface via the curved part, a plurality of protective layers having a lower ductility than the substrate and arranged in the substrate side and/or opposite side to the substrate side with respect to the conducting layer and along the curved part, wherein each of the plurality of protective layers spreading over the curved part, to a certain region of the first surface side from the curved part, and to a certain region of the second side from the curved part.
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公开(公告)号：US11094759B2
公开(公告)日：2021-08-17
申请号：US16364939
申请日：2019-03-26
Applicant: Japan Display Inc.
Inventor： Megumi Senda , Kazuto Tsuruoka
Abstract: A manufacturing method of a display device according to an embodiment of the present invention includes: forming a damming part in a component mounting area of a flexible base material having a display area provided with a plurality of pixels and the component mounting area where a component is mounted; and applying a resin composition to the component mounting area of the base material in a condition in which the component is mounted thereon, in this order. An outer periphery of the applied resin composition reaches a lateral surface of the damming part.
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