Patents by Inventor Keiji Horikawa
Keiji Horikawa 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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Patent number: 10998526Abstract: An organic electroluminescence (EL) display panel includes a substrate; a plurality of organic EL elements; and a sealing layer in this order. In the organic EL display panel, the sealing layer has a three-layered structure in the order of a first sealing layer, a second sealing layer, and a third sealing layer. In the organic EL display panel, the first sealing layer, the second sealing layer, and the third sealing layer each include amorphous silicon nitride. In the organic EL display panel, when composition of the first sealing layer, composition of the second sealing layer, and composition of the third sealing layer are each indicated as SiNx, a value of x in the composition of the second sealing layer is greater than both a value of x in the composition of the first sealing layer and a value of x in the composition of the third sealing layer.Type: GrantFiled: September 6, 2018Date of Patent: May 4, 2021Assignee: JOLED INC.Inventors: Keiji Horikawa, Kenji Harada, Akifumi Okigawa
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Patent number: 10396308Abstract: An organic electroluminescence (EL) display panel includes a multi-layered wiring laminate disposed on a substrate and including insulating layers and wiring disposed on at least one of the insulating layers and extending to a vicinity of an outer periphery of the wiring laminate; an organic EL element array disposed on the wiring laminate; a first inorganic insulating layer disposed on the array and extending outside the outer periphery of the wiring laminate in plan view; a resin sealing layer disposed on the first inorganic insulating layer, covering the array in plan view, and having an outer periphery above a resin insulating layer that is a highest layer among the insulating layers; a second inorganic insulating layer disposed on the resin sealing layer, extending outside the outer periphery of the resin sealing layer in plan view, and being in contact with the first inorganic insulating layer in a thickness direction.Type: GrantFiled: June 13, 2018Date of Patent: August 27, 2019Assignee: JOLED INC.Inventors: Akifumi Okigawa, Kenji Harada, Keiji Horikawa, Masaya Terai
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Patent number: 10347865Abstract: An organic electroluminescence (EL) display panel includes a multi-layered wiring laminate including: a first part on which an organic EL element array is disposed and in which a first portion of a resin insulating layer is present, the resin insulating layer being a highest layer among insulating layers; a second part surrounding the first part in plan view and in which a second portion of the resin insulating layer having a bank-shape is present; and a third part disposed between the first part and the second part in plan view and having a shape of a circumferential groove in which the resin insulating layer is not present. In the third part, wiring is on an inorganic insulating layer that is lower by a layer than the resin insulating layer. The wiring on the inorganic insulating layer is spaced away from the second portion of the resin insulating layer.Type: GrantFiled: May 24, 2018Date of Patent: July 9, 2019Assignee: JOLED INC.Inventors: Kenji Harada, Yasuharu Shinokawa, Akifumi Okigawa, Keiji Horikawa
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Publication number: 20190081280Abstract: An organic electroluminescence (EL) display panel includes a substrate; a plurality of organic EL elements; and a sealing layer in this order. In the organic EL display panel, the sealing layer has a three-layered structure in the order of a first sealing layer, a second sealing layer, and a third sealing layer. In the organic EL display panel, the first sealing layer, the second sealing layer, and the third sealing layer each include amorphous silicon nitride. In the organic EL display panel, when composition of the first sealing layer, composition of the second sealing layer, and composition of the third sealing layer are each indicated as SiNx, a value of x in the composition of the second sealing layer is greater than both a value of x in the composition of the first sealing layer and a value of x in the composition of the third sealing layer.Type: ApplicationFiled: September 6, 2018Publication date: March 14, 2019Inventors: Keiji HORIKAWA, Kenji HARADA, Akifumi OKIGAWA
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Publication number: 20180366680Abstract: An organic electroluminescence (EL) display panel includes a multi-layered wiring laminate disposed on a substrate and including insulating layers and wiring disposed on at least one of the insulating layers and extending to a vicinity of an outer periphery of the wiring laminate; an organic EL element array disposed on the wiring laminate; a first inorganic insulating layer disposed on the array and extending outside the outer periphery of the wiring laminate in plan view; a resin sealing layer disposed on the first inorganic insulating layer, covering the array in plan view, and having an outer periphery above a resin insulating layer that is a highest layer among the insulating layers; a second inorganic insulating layer disposed on the resin sealing layer, extending outside the outer periphery of the resin sealing layer in plan view, and being in contact with the first inorganic insulating layer in a thickness direction.Type: ApplicationFiled: June 13, 2018Publication date: December 20, 2018Inventors: Akifumi OKIGAWA, Kenji HARADA, Keiji HORIKAWA, Masaya TERAI
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Publication number: 20180358572Abstract: An organic electroluminescence (EL) display panel includes a multi-layered wiring laminate including: a first part on which an organic EL element array is disposed and in which a first portion of a resin insulating layer is present, the resin insulating layer being a highest layer among insulating layers; a second part surrounding the first part in plan view and in which a second portion of the resin insulating layer having a bank-shape is present; and a third part disposed between the first part and the second part in plan view and having a shape of a circumferential groove in which the resin insulating layer is not present. In the third part, wiring is on an inorganic insulating layer that is lower by a layer than the resin insulating layer. The wiring on the inorganic insulating layer is spaced away from the second portion of the resin insulating layer.Type: ApplicationFiled: May 24, 2018Publication date: December 13, 2018Inventors: Kenji HARADA, Yasuharu SHINOKAWA, Akifumi OKIGAWA, Keiji HORIKAWA
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Patent number: 10134532Abstract: A package electric double-layer capacitor having a first terminal that extends from a package at a first corner of a first cell, which is adjacent to a second cell, on one side in a second direction orthogonal to a first direction. A second terminal extends from the package at the first corner in the first direction and on a side of the first terminal opposite to the second cell. A third terminal extends from the package at a second corner of the second cell, which is adjacent to the first cell and the first corner. A fourth terminal extends from the package at the second corner in the first direction and on a side of the third terminal opposite to the first cell.Type: GrantFiled: September 5, 2017Date of Patent: November 20, 2018Assignee: MURATA MANUFACTURING CO., LTD.Inventors: Keiji Horikawa, Takayuki Hata, Tadahiro Minamikawa
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Publication number: 20180233300Abstract: An electric double-layer capacitor having a separator that contains polyacrylonitrile. An infrared absorption spectrum of the separator measured by a Fourier transform infrared spectrophotometer has a first peak in a range from 2240 cm?1 to 2250 cm?1 and a second peak in a range from 1580 cm?1 to 1630 cm?1. A ratio of an intensity of the second peak to an intensity of the first peak is 0.08 or more.Type: ApplicationFiled: April 11, 2018Publication date: August 16, 2018Inventor: KEIJI HORIKAWA
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Publication number: 20180190440Abstract: An electric double layer capacitor that includes a first electrode having a first polarizable electrode on a first collector electrode; a second electrode having a second polarizable electrode on a second collector electrode; and a separator interposed between the first polarizable electrode and the second polarizable electrode. The separator includes a bonding part filled with a resin. The bonding part extends to a surface of the separator closer to the first polarizable electrode, and the separator and the first polarizable electrode are bonded to each other by the bonding part.Type: ApplicationFiled: March 1, 2018Publication date: July 5, 2018Inventors: Keiji Horikawa, lwao Kurimoto, Keisuke Nakano
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Patent number: 9911547Abstract: An electric storage device having a multilayer body in which a separator layer is provided between a positive or negative first electrode and a second electrode of the opposite polarity to the first electrode, an electrolyte, and a package that holds the multilayer body and the electrolyte, and includes at least two first-polarity compound sheets, each configured by integrating a first-polarity collector electrode, a first-polarity active material layer provided on one main surface of the first-polarity collector electrode, and a separator layer that covers at least part of the one main surface. Another main surface of the first-polarity collector electrode in one of the at least two first-polarity compound sheets and another main surface of the first-polarity collector electrode in another of the first-polarity compound sheets are opposed to each other and joined via a joining layer. The joining layer contains a high-polymer having imide coupling in its main chain.Type: GrantFiled: June 25, 2014Date of Patent: March 6, 2018Assignee: MURATA MANUFACTURING CO., LTD.Inventor: Keiji Horikawa
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Patent number: 9887387Abstract: An organic EL display panel including: a substrate; display elements over the substrate; a first sealing layer over the display elements; a buffer layer covering the first sealing layer; and a second sealing layer covering the buffer layer. The first sealing layer, the buffer layer, and the second sealing layer are each made of a silicon nitride film, and a peak amount of ammonia gas desorbing from the silicon nitride film of the buffer layer within a predetermined temperature range is greater than one hundred times and smaller than one thousand times a peak amount of ammonia gas desorbing from each of the silicon nitride film of the first sealing layer and the silicon nitride film of the second sealing layer within the predetermined temperature range.Type: GrantFiled: March 30, 2017Date of Patent: February 6, 2018Assignee: JOLED INC.Inventor: Keiji Horikawa
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Publication number: 20170365420Abstract: An electric double-layer capacitor that includes a positive electrode, a negative electrode, and an electrolyte. The positive electrode includes a positive-electrode collector electrode and a positive-electrode polarizable electrode on the positive-electrode collector electrode. The negative electrode includes a negative-electrode collector electrode and a negative-electrode polarizable electrode on the negative-electrode collector electrode. The negative electrode faces the positive electrode. The electrolyte is interposed between the positive electrode and the negative electrode. A separator is provided between the positive-electrode polarizable electrode and the negative-electrode polarizable electrode adjacent to each other. No polarizable electrode is provided on an outer surface of the collector electrode of each one of the positive electrode and the negative electrode positioned outermost in a thickness direction of the electric double-layer capacitor.Type: ApplicationFiled: September 1, 2017Publication date: December 21, 2017Inventors: KEIJI HORIKAWA, Iwao Kurimoto, Takayuki Hata
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Publication number: 20170365421Abstract: A package electric double-layer capacitor having a first terminal that extends from a package at a first corner of a first cell, which is adjacent to a second cell, on one side in a second direction orthogonal to a first direction. A second terminal extends from the package at the first corner in the first direction and on a side of the first terminal opposite to the second cell. A third terminal extends from the package at a second corner of the second cell, which is adjacent to the first cell and the first corner. A fourth terminal extends from the package at the second corner in the first direction and on a side of the third terminal opposite to the first cell.Type: ApplicationFiled: September 5, 2017Publication date: December 21, 2017Inventors: KEIJI HORIKAWA, Takayuki Hata, Tadahiro Minamikawa
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Patent number: 9793062Abstract: An electric storage device includes an electrolyte and an electric storage unit including a positive electrode including a positive-electrode collector electrode and a positive-electrode active-material layer disposed on the positive-electrode collector electrode; a negative electrode including a negative-electrode collector electrode and a negative-electrode active-material layer disposed on the negative-electrode collector electrode and facing the positive-electrode active-material layer; a first insulating layer bonded to the positive electrode and the negative electrode to isolate the positive electrode and the negative electrode from each other; and a region that is sealed with the first insulating layer in plan view and that holds the electrolyte between the positive electrode and the negative electrode, wherein an air permeability P of the first insulating layer satisfies the formula 1250 s/100 cc<P<95000 s/100 cc.Type: GrantFiled: December 19, 2013Date of Patent: October 17, 2017Assignee: MURATA MANUFACTURING CO., LTD.Inventors: Masaharu Itaya, Keiji Horikawa, Manabu Sawada, Hiroyuki Harada, Yuusuke Ueba, Yukio Ehara, Yasuhiko Ueda, Yasutake Fukuda
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Publication number: 20170288173Abstract: An organic EL display panel including: a substrate; display elements over the substrate; a first sealing layer over the display elements; a buffer layer covering the first sealing layer; and a second sealing layer covering the buffer layer. The first sealing layer, the buffer layer, and the second sealing layer are each made of a silicon nitride film, and a peak amount of ammonia gas desorbing from the silicon nitride film of the buffer layer within a predetermined temperature range is greater than one hundred times and smaller than one thousand times a peak amount of ammonia gas desorbing from each of the silicon nitride film of the first sealing layer and the silicon nitride film of the second sealing layer within the predetermined temperature range.Type: ApplicationFiled: March 30, 2017Publication date: October 5, 2017Applicant: JOLED INC.Inventor: Keiji HORIKAWA
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Patent number: 9748046Abstract: A power storage device that includes a first adhesive member between a first current collector and a second surface layer, and a second adhesive member between a second current collector and a first surface layer. A first electrolyte retaining layer is provided between the first adhesive member and the first current collector. A second electrolyte retaining layer is provided between the second adhesive member and the second current collector.Type: GrantFiled: May 19, 2015Date of Patent: August 29, 2017Assignee: MURATA MANUFACTURING CO., LTD.Inventors: Yasuhiko Ueda, Keiji Horikawa, Mami Aoki
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Patent number: 9728343Abstract: A highly-reliable electrical storage device element and electrical storage device, in each of which on predetermined regions of predetermined end surfaces of a laminate forming an electrical storage component, sprayed end surface electrodes each having a high bond strength to the laminate are provided.Type: GrantFiled: December 27, 2013Date of Patent: August 8, 2017Assignee: MURATA MANUFACTURING CO., LTD.Inventors: Keiji Horikawa, Hiroki Horiguchi, Yukio Ehara, Yasuhiko Ueda, Hiroyuki Harada, Masaharu Itaya, Yasutake Fukuda, Shigeo Hayashi
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Patent number: 9653704Abstract: A display panel includes: a first substrate; a display unit disposed on a principal surface of the first substrate; a first sealing wall disposed in a frame shape on the principal surface of the first substrate, along an outer periphery of the first substrate; a second sealing wall disposed in a frame shape on the principal surface of the first substrate, along an outer periphery of the display unit; a desiccant material filled between the first sealing wall and the second sealing wall; a protective material filled on the display unit, in a region surrounded by the second sealing wall; and a second substrate. The second sealing wall covers at least a portion of a surface of the display unit opposite a surface of the display unit which is in contact with the first substrate.Type: GrantFiled: May 11, 2015Date of Patent: May 16, 2017Assignee: JOLED INC.Inventor: Keiji Horikawa
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Patent number: 9558893Abstract: A power storage device that includes an electrolyte retaining layer between a first internal electrode and a second internal electrode. The electrolyte retaining layer retains an electrolyte. The first internal electrode has a first current collector and a first active material layer. The first active material layer is on a surface of the first current collector, which is closer to the second internal electrode. The second internal electrode has a second current collector and a second active material layer. The second active material layer is on a surface of the second current collector, which is closer to the first internal electrode. At least one of the electrolyte retaining layer, first active material layer, and second active material layer is exposed at the first and second end surfaces of the power storage device.Type: GrantFiled: April 17, 2015Date of Patent: January 31, 2017Assignee: MURATA MANUFACTURING CO., LTD.Inventors: Keiji Horikawa, Hiroki Horiguchi, Takashi Hayashi, Yasuhiko Ueda
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Patent number: 9514893Abstract: An electrical storage unit that includes a positive electrode, which includes a positive-electrode collector electrode and a positive-electrode active material layer on the positive-electrode collector electrode, a negative electrode, which includes a negative-electrode collector electrode and a negative-electrode active material layer on the negative-electrode collector electrode, the negative-electrode active material layer facing the positive-electrode active material layer, and a first insulating layer bonded to the positive electrode and the negative electrode and separating the positive electrode from the negative electrode. The first insulating layer is bonded to part of a surface of the positive electrode and part of a surface of the negative electrode and includes a communication path for connecting the outside of the electrical storage unit to the inside of the electrical storage unit.Type: GrantFiled: December 17, 2013Date of Patent: December 6, 2016Assignee: MURATA MANUFACTURING CO., LTD.Inventors: Masaharu Itaya, Keiji Horikawa, Manabu Sawada, Hiroyuki Harada, Yuusuke Ueba, Yukio Ehara, Yasuhiko Ueda, Yasutake Fukuda