Patents by Inventor Nobuo Naito
Nobuo Naito has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Publication number: 20230063788Abstract: A display device includes a display panel capable of being rolled up or folded and a cover member that is placed upon the display panel and that is capable of being rolled up or folded together with the display panel. A thermal shrinkage rate of the cover member in a bending direction along which the display panel is bent when the display panel is rolled up is smaller than a thermal shrinkage rate of the cover member in a perpendicular direction that is perpendicular to the bending direction, or a thermal shrinkage rate of the cover member in a bending direction along which the display panel is bent when the display panel is folded is smaller than a thermal shrinkage rate of the cover member in a perpendicular direction that is perpendicular to the bending direction.Type: ApplicationFiled: August 24, 2022Publication date: March 2, 2023Inventor: Nobuo NAITO
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Publication number: 20230068260Abstract: Provided is a display device including a display panel capable of being folded or rolled up, and a plate-shaped member placed on the display panel and capable of being folded or rolled up together with the display panel, the plate-shaped member including a bendable portion that is bent when the plate-shaped member is folded or rolled up together with the display panel, the bendable portion including a region group including a plurality of regions arranged in a bending direction along which the bendable portion is bent when the plate-shaped member is folded or rolled up together with the display panel, the bendable portion having openings with each of the regions having a plurality of through holes formed therein, an opening area ratio of the bendable portion in each of the regions being different from an opening area ratio of the bendable portion in an adjacent one of the regions.Type: ApplicationFiled: August 30, 2022Publication date: March 2, 2023Inventor: Nobuo NAITO
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Publication number: 20220232711Abstract: A display apparatus includes a display panel that is flexible, the display panel including a display surface and a back surface on a back side of the display surface, and a protection sheet attached to the back surface of the display panel and formed from woven fabric.Type: ApplicationFiled: January 18, 2022Publication date: July 21, 2022Inventor: Nobuo NAITO
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Publication number: 20220059789Abstract: The display panel is a display panel that is flexible, including: an EL structure layer including a plurality of EL elements arranged two-dimensionally; a foamed resin layer on a side of the EL structure layer that is opposite to a light emitting surface of the EL structure layer; a metal layer provided between the EL structure layer and the foamed resin layer; and a first adhesive layer provided between the EL structure layer and the metal layer and comprises an adhesive having an elastic modulus of 90 kPa or more.Type: ApplicationFiled: August 10, 2021Publication date: February 24, 2022Applicant: JOLED INC.Inventors: Nobuo NAITO, Takahiro SEKI
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Patent number: 9606270Abstract: The disclosure provides an optical sheet roll which enables improvement of yield by reducing the parts that are not usable as an optical sheet when cutting out an optical sheet in an adequate size. Also disclosed is a method for manufacturing the optical sheet roll; a method for manufacturing an optical sheet using the optical sheet roll; and a method for manufacturing a display device using the optical sheet roll.Type: GrantFiled: December 3, 2010Date of Patent: March 28, 2017Assignee: DAI NIPPON PRINTING CO., LTD.Inventor: Nobuo Naito
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Patent number: 9563004Abstract: Provided is an image source unit for improving use efficiency of the image light, including: a light source; and an optical sheet, the optical sheet including: a base material layer; an optical functional layer; and an adhesive layer, the optical functional layer including: light-transmissive portions arranged in parallel; and light-absorbing portions arranged between the light-transmissive portions, whose refractive index is set smaller than that of the light-transmissive portions, the light source side face of the light-transmissive portions includes unit light input control elements so that the elements project towards the light source side, the light-absorbing portions not being arranged between the unit light input control elements, the light source side face of the light-absorbing portions having a recess so that the bottom of the recess faces the opposite side from the light source, the adhesive layer is laminated on a light source side face of the optical functional layer.Type: GrantFiled: December 17, 2015Date of Patent: February 7, 2017Assignee: DAI NIPPON PRINTING CO., LTD.Inventors: Tsuyoshi Kashiwagi, Nobuo Naito
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Publication number: 20160103262Abstract: Provided is an image source unit for improving use efficiency of the image light, including: a light source; and an optical sheet, the optical sheet including: a base material layer; an optical functional layer; and an adhesive layer, the optical functional layer including: light-transmissive portions arranged in parallel; and light-absorbing portions arranged between the light-transmissive portions, whose refractive index is set smaller than that of the light-transmissive portions, the light source side face of the light-transmissive portions includes unit light input control elements so that the elements project towards the light source side, the light-absorbing portions not being arranged between the unit light input control elements, the light source side face of the light-absorbing portions having a recess so that the bottom of the recess faces the opposite side from the light source, the adhesive layer is laminated on a light source side face of the optical functional layer.Type: ApplicationFiled: December 17, 2015Publication date: April 14, 2016Inventors: Tsuyoshi KASHIWAGI, Nobuo NAITO
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Patent number: 9244204Abstract: The present invention is to provide an image source unit for improving use efficiency of the image light and also provide an image display unit comprising the image source unit. The image source unit 4 comprising: an image light source 5; and an optical sheet 10 laminated on the image light source, the optical sheet comprising: a base material layer 11; and an optical functional layer 12 formed on the image light source side surface of the base material layer, the optical functional layer comprising: light-transmissive portions 13 arranged parallel along the sheet face; and light-absorbing portion(s) 14 arranged between the light-transmissive portions, the image light source side face of the light-transmissive portion having protrusions 17 each having a curved or polygonal line so that the protrusions project towards the image light source side in cross section in the sheet-thickness direction.Type: GrantFiled: October 25, 2010Date of Patent: January 26, 2016Assignee: DAI NIPPON PRINTING CO., LTD.Inventors: Tsuyoshi Kashiwagi, Nobuo Naito
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Patent number: 8446002Abstract: A multilayer wiring substrate has a through hole that passes from a first surface through to a second surface. The multilayer wiring substrate includes an electrical connection terminal formed in at least one of an inner edge portion which is a periphery of the through hole, an outer edge portion which is an outer periphery of the substrate, and a non-edge portion, on at least one of the first surface and the second surface. The electrical connection terminal has a castellation structure that does not pass through to a surface opposite to a formation surface.Type: GrantFiled: March 2, 2010Date of Patent: May 21, 2013Assignee: Sony CorporationInventors: Noriko Shibuta, Tohru Terasaki, Tomoyasu Yamada, Nobuo Naito, Yukihiko Tsukuda, Ryu Nonoyama
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Patent number: 8344501Abstract: A multilayer wiring substrate has a through hole that passes from a first surface through to a second surface. The multilayer wiring substrate includes an electrical connection terminal formed in at least one of an inner edge portion which is a periphery of the through hole, an outer edge portion which is an outer periphery of the substrate, and a non-edge portion, on at least one of the first surface and the second surface. The electrical connection terminal has a castellation structure that does not pass through to a surface opposite to a formation surface.Type: GrantFiled: March 2, 2010Date of Patent: January 1, 2013Assignee: Sony CorporationInventors: Noriko Shibuta, Tohru Terasaki, Tomoyasu Yamada, Nobuo Naito, Yukihiko Tsukuda, Ryu Nonoyama
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Patent number: 8283577Abstract: Intended is to provide an electromagnetic shielding material having a conductive layer pattern by transferring a conductive composite to a transparent base material, and an electromagnetic shielding material having a metal layer formed on the transferred conductive layer. The electromagnetic shielding material is free from the troubles such as the breaking of wire, the non-conforming shape or the low contact, which is based on the non-conforming transfer of the conductive composite. The electromagnetic shielding material comprises a transparent base material, a primer layer formed over the transparent base material, and a conductive layer formed in a predetermined pattern on the primer layer. In the primer layer, a portion having the conductive layer formed therein has a thickness larger than the thickness of a portion without the conductive layer.Type: GrantFiled: June 6, 2008Date of Patent: October 9, 2012Assignee: Dai Nippon Printing Co., Ltd.Inventors: Nobuo Naito, Hironori Kamiyama, Nozomi Kaga, Yuichi Miyazaki, Takeshi Nishizono, Hidetsugu Tazawa, Shinya Kiura
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Publication number: 20120243098Abstract: The disclosure provides an optical sheet roll which enables improvement of yield by reducing the parts that are not usable as an optical sheet when cutting out an optical sheet in an adequate size. Also disclosed is a method for manufacturing the optical sheet roll; a method for manufacturing an optical sheet using the optical sheet roll; and a method for manufacturing a display device using the optical sheet roll.Type: ApplicationFiled: December 3, 2010Publication date: September 27, 2012Applicant: DAI NIPPON PRINTING CO., LTD.Inventor: Nobuo Naito
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Publication number: 20110110094Abstract: The present invention is to provide an image source unit for improving use efficiency of the image light and also provide an image display unit comprising the image source unit. The image source unit 4 comprising: an image light source 5; and an optical sheet 10 laminated on the image light source, the optical sheet comprising: a base material layer 11; and an optical functional layer 12 formed on the image light source side surface of the base material layer, the optical functional layer comprising: light-transmissive portions 13 arranged parallel along the sheet face; and light-absorbing portion(s) 14 arranged between the light-transmissive portions, the image light source side face of the light-transmissive portion having protrusions 17 each having a curved or polygonal line so that the protrusions project towards the image light source side in cross section in the sheet-thickness direction.Type: ApplicationFiled: October 25, 2010Publication date: May 12, 2011Inventors: Tsuyoshi KASHIWAGI, Nobuo NAITO
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Publication number: 20100244166Abstract: A multilayer wiring substrate has a through hole that passes from a first surface through to a second surface. The multilayer wiring substrate includes an electrical connection terminal formed in at least one of an inner edge portion which is a periphery of the through hole, an outer edge portion which is an outer periphery of the substrate, and a non-edge portion, on at least one of the first surface and the second surface. The electrical connection terminal has a castellation structure that does not pass through to a surface opposite to a formation surface.Type: ApplicationFiled: March 2, 2010Publication date: September 30, 2010Applicant: Sony CorporationInventors: Noriko Shibuta, Tohru Terasaki, Tomoyasu Yamada, Nobuo Naito, Yukihiko Tsukuda, Ryu Nonoyama
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Publication number: 20100230154Abstract: Intended is to provide an electromagnetic shielding material having a conductive layer pattern by transferring a conductive composite to a transparent base material, and an electromagnetic shielding material having a metal layer formed on the transferred conductive layer. The electromagnetic shielding material is free from the troubles such as the breaking of wire, the non-conforming shape or the low contact, which is based on the non-conforming transfer of the conductive composite. The electromagnetic shielding material comprises a transparent base material, a primer layer formed over the transparent base material, and a conductive layer formed in a predetermined pattern on the primer layer. In the primer layer, a portion having the conductive layer formed therein has a thickness larger than the thickness of a portion without the conductive layer.Type: ApplicationFiled: June 6, 2008Publication date: September 16, 2010Applicant: DAI NIPPON PRINTING CO., LTD.Inventors: Nobuo Naito, Hironori Kamiyama, Nozomi Kaga, Yuichi Miyazaki, Takeshi Nishizono, Hidetsugu Tazawa, Shinya Kiura
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Patent number: 7732038Abstract: An electromagnetic wave shielding filter 10 comprises a transparent substrate 1, and a mesh layer 3 containing an electrically conductive layer 2, formed on the transparent substrate 1 with a transparent adhesive layer 9. A transparent colored resin layer 4 containing a coloring agent is formed on the mesh layer 3, with a transparent barrier layer 5 interposed between the two layers. An anticorrosive layer 6 and a blackening layer 7 are formed on the electrically conductive layer 2 in the mesh layer 3. The transparent colored resin layer 4 also serves as an adhesive layer, and a functional layer 8, such as an optical filter, a protective sheet, or a display front substrate, is further laminated to the transparent colored resin layer 4.Type: GrantFiled: July 8, 2005Date of Patent: June 8, 2010Assignee: Dai Nippon Printing Co., Ltd.Inventors: Nobuo Naito, Fumihiro Arakawa
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Patent number: 7697304Abstract: An electromagnetic wave shielding device 1 comprises a transparent substrate 11, an adhesive layer 13 which is provided as needed, an electromagnetic wave shielding layer 15, and a transparent resin layer 17. The electromagnetic wave shielding layer 15 includes a mesh portion 103 facing a screen portion 100 of an image displaying device, a transparent resin layer anchoring portion 105 surrounding a periphery of the mesh portion 103, and including openings 105a having the same opening ratio as that of the openings 103a of the mesh portion 103, and a frame portion 107 surrounding an outer periphery of the transparent resin layer anchoring portion 105, and not having openings. The transparent resin layer 17 is provided such that it covers the surfaces of the mesh portion 103, and the transparent resin layer anchoring portion 105, and fills the openings 103a, 105a.Type: GrantFiled: July 25, 2005Date of Patent: April 13, 2010Assignee: Dai Nippon Printing Co., Ltd.Inventors: Nobuo Naito, Fumihiro Arakawa, Kazuhito Fuji
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Patent number: 7495182Abstract: An electromagnetic wave shielding sheet 1 comprises a transparent substrate 11, and line parts 107 that define openings 105, provided on the transparent substrate 11. The line parts 107 have a metal mesh layer 21, and a blackening layer 25A formed on the surface of the metal layer 21, on the side of the transparent substrate 11. Matted layers 31 are formed on the side faces of the line parts 107, and an anticorrosive layer 23A is provided between the blackening layer 25A and the transparent substrate 11.Type: GrantFiled: January 26, 2005Date of Patent: February 24, 2009Assignee: Dai Nippon Printing Co., Ltd.Inventors: Nobuo Naito, Fumihiro Arakawa, Tadahiro Masaki
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Patent number: 7491902Abstract: An electromagnetic wave shielding sheet 1 comprises a transparent substrate 11, and a first anticorrosive layer 23A, a first blackening layer 25A, a metal layer 21, and a second anticorrosive layer 23B that are successively formed on the transparent substrate 11 through an adhesive layer 13. A second blackening layer 25B is formed so that it fully covers the side faces of the first anticorrosive layer 23A, the first blackening layer 25A, the metal layer 21, and the second anticorrosive layer 23B, as well as the front face of the second anticorrosive layer 23B. At least either of the first anticorrosive layer 23A and the second anticorrosive layer 23B contains one or more metals selected from nickel, chromium, and silicon, and also zinc and/or tin when it is initially formed, and the zinc and/or tin is removed from the first anticorrosive layer 23A and/or the second anticorrosive layer 23B in an intermediate steps.Type: GrantFiled: January 20, 2005Date of Patent: February 17, 2009Assignee: Dai Nippon Printing Co., Ltd.Inventors: Nobuo Naito, Fumihiro Arakawa, Tadahiro Masaki
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Publication number: 20080277157Abstract: An electromagnetic wave shielding sheet 1 comprises a transparent substrate 11, and line parts 107 that define openings 105, provided on the transparent substrate 11. The line parts 107 have a metal mesh layer 21, and a blackening layer 25A formed on the surface of the metal layer 21, on the side of the transparent substrate 11. Matted layers 31 are formed on the side faces of the line parts 107, and an anticorrosive layer 23A is provided between the blackening layer 25A and the transparent substrate 11.Type: ApplicationFiled: January 26, 2005Publication date: November 13, 2008Applicant: DAI NIPPON PRINTING CO., LTDInventors: Nobuo Naito, Fumihiro Arakawa, Tadahiro Masaki