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公开(公告)号:US20220077266A1
公开(公告)日:2022-03-10
申请号:US17530848
申请日:2021-11-19
Applicant: Japan Display Inc.
Inventor: Yasukazu KIMURA , Masato HIRAMATSU , Takuma NISHINOHARA , Toshihiko ITOGA
Abstract: A display device includes a substrate having flexibility, a transistor having agate insulating film and further having a semiconductor layer and a gate electrode that sandwich the gate insulating film, the transistor formed in an area where the substrate is bent, and a gate wiring line so formed on the substrate as to be connected to the gate electrode, and the gate electrode has an area that is present in an area where the gate electrode overlaps with the semiconductor layer and is thinner than at least part of the gate wiring line.
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公开(公告)号:US20230225213A1
公开(公告)日:2023-07-13
申请号:US18152772
申请日:2023-01-11
Applicant: Japan Display Inc.
Inventor: Toshihiko ITOGA
IPC: H10N30/079 , H10N30/078 , H10N30/00
CPC classification number: H10N30/079 , H10N30/078 , H10N30/10516
Abstract: According to one embodiment, a method of manufacturing a piezoelectric element, includes forming lower electrodes on an insulating substrate, applying a precursor solution on the insulating substrate and the lower electrodes, drying the precursor solution by firing, thus forming a first precursor layer, patterning the first precursor layer into a shape of a plurality of islands located on the lower electrodes, respectively and crystallizing the island-shaped first precursor layer by firing, thus forming first piezoelectric layers.
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公开(公告)号:US20190312092A1
公开(公告)日:2019-10-10
申请号:US16451523
申请日:2019-06-25
Applicant: Japan Display Inc.
Inventor: Yasukazu KIMURA , Takuma NISHINOHARA , Toshihiko ITOGA , Hajime AKIMOTO
Abstract: A display device includes: a flexible substrate; a pixel over the flexible substrate, the pixel including a transistor and a display element; a first wiring for transmitting a signal to the pixel, the first wiring extending in a first direction; a second wiring extending in a second direction intersecting the first direction; an inorganic insulating layer on a higher level than the first wiring or the second wiring; and an organic insulating layer on a higher level than the inorganic insulating layer, wherein the inorganic insulating layer has an opening exposing a part of the upper surface of the first wiring or the second wiring is exposed, and the organic insulating layer is provided in such a way as to fill the opening.
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公开(公告)号:US20170179210A1
公开(公告)日:2017-06-22
申请号:US15373533
申请日:2016-12-09
Applicant: Japan Display Inc.
Inventor: Yasukazu KIMURA , Takuma NISHINOHARA , Toshihiko ITOGA , Hajime AKIMOTO
CPC classification number: H01L27/3258 , H01L27/1214 , H01L27/3248 , H01L27/3262 , H01L27/3265 , H01L27/3276 , H01L29/78618 , H01L51/0097 , H01L51/529 , H01L2251/5338 , Y02E10/549
Abstract: A display device includes: a flexible substrate; a pixel over the flexible substrate, the pixel including a transistor and a display element; a first wiring for transmitting a signal to the pixel, the first wiring extending in a first direction; a second wiring extending in a second direction intersecting the first direction; an inorganic insulating layer on a higher level than the first wiring or the second wiring; and an organic insulating layer on a higher level than the inorganic insulating layer, wherein the inorganic insulating layer has an opening exposing a part of the upper surface of the first wiring or the second wiring is exposed, and the organic insulating layer is provided in such a way as to fill the opening.
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公开(公告)号:US20220223782A1
公开(公告)日:2022-07-14
申请号:US17657266
申请日:2022-03-30
Applicant: Japan Display Inc.
Inventor: Toshihiko ITOGA , Takuo KAITOH
IPC: H01L41/187 , H01L41/047 , H01L41/04
Abstract: The purpose of the present invention is to form a semiconductor device in which an active area laminated on a PZT (lead zirconate titanate (PbZrTiO3) sensor having a piezoelectric effect. The main structure of the present invention is as follows. A semiconductor device having a PZT (lead zirconate titanate (PbZrTiO3)) sensor including: the PZT sensor including a lower electrode formed on a glass substrate, a PZT, an upper electrode, a first inorganic insulating film covering the upper electrode, and an upper wiring formed on the first inorganic insulating film and connected to the upper electrode through a first through-hole formed in the first inorganic insulating film; in which a polyimide film is formed over the PZT sensor; a plurality of TFTs are formed on the polyimide film, and a thickness of the polyimide film is 5 μm or more.
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公开(公告)号:US20180069066A1
公开(公告)日:2018-03-08
申请号:US15798896
申请日:2017-10-31
Applicant: Japan Display Inc.
Inventor: Yasukazu KIMURA , Takuma NISHINOHARA , Toshihiko ITOGA , Hajime AKIMOTO
IPC: H01L27/32 , H01L51/00 , H01L51/52 , H01L27/12 , H01L29/786
CPC classification number: H01L27/3258 , H01L27/1214 , H01L27/3248 , H01L27/3262 , H01L27/3265 , H01L27/3276 , H01L29/78618 , H01L51/0097 , H01L51/529 , H01L2251/5338 , Y02E10/549
Abstract: A display device includes: a flexible substrate; a pixel over the flexible substrate, the pixel including a transistor and a display element; a first wiring for transmitting a signal to the pixel, the first wiring extending in a first direction; a second wiring extending in a second direction intersecting the first direction; an inorganic insulating layer on a higher level than the first wiring or the second wiring; and an organic insulating layer on a higher level than the inorganic insulating layer, wherein the inorganic insulating layer has an opening exposing a part of the upper surface of the first wiring or the second wiring is exposed, and the organic insulating layer is provided in such a way as to fill the opening.
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公开(公告)号:US20150280172A1
公开(公告)日:2015-10-01
申请号:US14665881
申请日:2015-03-23
Applicant: Japan Display Inc.
Inventor: Takuma NISHINOHARA , Toshihiko ITOGA , Norio OKU , Yasukazu KIMURA , Jun FUJIYOSHI
IPC: H01L51/52 , H01L27/32 , H01L29/786 , H01L51/00
CPC classification number: H01L51/5253 , H01L27/322 , H01L27/3244 , H01L29/78606 , H01L51/003 , H01L51/0097 , H01L51/524 , H01L51/56 , H01L2251/301 , H01L2251/303 , H01L2251/5338 , H01L2251/566 , Y02E10/549
Abstract: A display device is provided including a first substrate comprising a resin material provided with a plurality region provided with a plurality of pixels including a display device, and a second substrate provided facing the first substrate and installed with the pixel region, wherein an outer periphery side surface of the first substrate having a taper shape and including a barrier layer covering an upper layer, lower layer and the outer periphery side surface of the first substrate.
Abstract translation: 提供了一种显示装置,包括:第一基板,包括设置有多个区域的树脂材料,所述多个区域设置有包括显示装置的多个像素;以及第二基板,其面向所述第一基板设置并安装有所述像素区域, 第一基板的表面具有锥形形状,并且包括覆盖第一基板的上层,下层和外周侧表面的阻挡层。
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公开(公告)号:US20150189717A1
公开(公告)日:2015-07-02
申请号:US14574735
申请日:2014-12-18
Applicant: Japan Display Inc.
Inventor: Takahide KURANAGA , Toshihiko ITOGA , Norio OKU
CPC classification number: H01L51/5246 , H01L51/525 , H01L2251/5338 , H01L2251/566
Abstract: A display device includes a first substrate having flexibility, a second substrate having flexibility arranged facing the first substrate, a light emitting element arranged in a display region of the first substrate, and a filling material covering the light emitting element and extending from the display region to an end part of the first substrate and the second substrate. The filling material is a solid and is provided on the inner side from the first substrate and second substrate.
Abstract translation: 显示装置包括具有柔性的第一基板,具有布置成面对第一基板的柔性的第二基板,布置在第一基板的显示区域中的发光元件和覆盖发光元件并从显示区域延伸的填充材料 到第一基板和第二基板的端部。 填充材料是固体,并且设置在从第一基板和第二基板的内侧。
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公开(公告)号:US20180294445A1
公开(公告)日:2018-10-11
申请号:US15943905
申请日:2018-04-03
Applicant: Japan Display Inc.
Inventor: Hiroki NAKAIE , Toshihiko ITOGA
CPC classification number: H01L51/56 , H01L51/0002 , H01L51/0024 , H01L51/003 , H01L51/0097 , H01L51/5253 , H01L2251/5338
Abstract: A manufacturing method of an organic EL display device according to an embodiment of the present invention includes: disposing a first organic substrate having flexibility on a glass substrate; disposing a barrier layer on the first organic substrate; disposing a second organic substrate having flexibility on the barrier layer such that a thickness of a terminal section area is thinner than a thickness of a pixel section area, or at least a part of the terminal section area is not covered; disposing a pixel control section on the terminal section area of the second organic substrate and a pixel generating section on the pixel section area, respectively; disposing a circuit section at least on the terminal section area, the circuit section having a thin film transistor, wherein the circuit section is formed directly on the second organic substrate.
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公开(公告)号:US20170287999A1
公开(公告)日:2017-10-05
申请号:US15474336
申请日:2017-03-30
Applicant: Japan Display Inc.
Inventor: Yasukazu KIMURA , Masato HIRAMATSU , Takuma NISHINOHARA , Toshihiko ITOGA
Abstract: A display device includes a substrate having flexibility, a transistor having a gate insulating film and further having a semiconductor layer and a gate electrode that sandwich the gate insulating film, the transistor formed in an area where the substrate is bent, and a gate wiring line so formed on the substrate as to be connected to the gate electrode, and the gate electrode has an area that is present in an area where the gate electrode overlaps with the semiconductor layer and is thinner than at least part of the gate wiring line.
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