Patents by Inventor Hiroshi Katagiri
Hiroshi Katagiri 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: 11462707Abstract: A display panel including a substrate, anodes disposed on or above the substrate, light-emitting layers disposed on or above the anodes, a first intermediate layer disposed on or above the light-emitting layers, a second intermediate layer disposed on the first intermediate layer, and a cathode disposed on or above the second intermediate layer. The first intermediate layer includes a fluoride of a first metal or a complex of the first metal. The second intermediate layer includes a second metal. The anodes are light-transmissive and the cathode is light-reflective, or the anodes are light-reflective and the cathode is light-transmissive. The first metal is selected from a group consisting of alkali metals and alkaline earth metals. The second metal is selected from rare earth metals.Type: GrantFiled: September 22, 2020Date of Patent: October 4, 2022Assignee: JOLED INC.Inventors: Hiroshi Katagiri, Takahiro Komatsu
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Publication number: 20210098732Abstract: A display panel including a substrate, anodes disposed on or above the substrate, light-emitting layers disposed on or above the anodes, a first intermediate layer disposed on or above the light-emitting layers, a second intermediate layer disposed on the first intermediate layer, and a cathode disposed on or above the second intermediate layer. The first intermediate layer includes a fluoride of a first metal or a complex of the first metal. The second intermediate layer includes a second metal. The anodes are light-transmissive and the cathode is light-reflective, or the anodes are light-reflective and the cathode is light-transmissive. The first metal is selected from a group consisting of alkali metals and alkaline earth metals. The second metal is selected from rare earth metals.Type: ApplicationFiled: September 22, 2020Publication date: April 1, 2021Applicant: JOLED Inc.Inventors: Hiroshi KATAGIRI, Takahiro KOMATSU
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Patent number: 10381589Abstract: An organic electroluminescence (EL) element including an anode, a light-emitting layer above the anode, a first functional layer on and in contact with the light-emitting layer, a second functional layer on and in contact with the first functional layer, and a cathode above the second functional layer. A lowest unoccupied molecular orbital (LUMO) level of the first functional layer is lower than at least one of a LUMO level of the second functional layer and a Fermi level of a metal material included in the second functional layer.Type: GrantFiled: July 27, 2016Date of Patent: August 13, 2019Assignee: JOLED INC.Inventors: Kosuke Mishima, Junko Tanaka, Hiroshi Katagiri, Takahiro Komatsu
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Patent number: 10297776Abstract: An organic electroluminescence (EL) element including an anode, a cathode opposing the anode, a light-emitting layer between the anode and the cathode, a hole transport layer in contact with the light-emitting layer, between the light-emitting layer and the anode, and an electron transport layer in contact with the light-emitting layer, between the light-emitting layer and the cathode. A difference between a lowest unoccupied molecular orbital (LUMO) level of an organic material included in the light-emitting layer and a LUMO level of an organic material included in the electron transport layer is greater than a difference between a highest occupied molecular orbital (HOMO) level of an organic material included in the hole transport layer and a HOMO level of the organic material included in the light-emitting layer.Type: GrantFiled: July 7, 2016Date of Patent: May 21, 2019Assignee: JOLED INC.Inventors: Kosuke Mishima, Yoshiyuki Ota, Junko Tanaka, Takahiro Komatsu, Hiroshi Katagiri
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Patent number: 10181582Abstract: An organic EL element including an anode; a light-emitting layer above the anode; a first interlayer on the light-emitting layer, the first interlayer including a fluoride of a first metal that is an alkali metal or alkaline earth metal; a second interlayer on the first interlayer, the second interlayer including a second metal that has a property of cleaving a bond between the first metal and fluorine in the fluoride; a cathode on the second interlayer; and a sorption layer above the cathode, the sorption layer including a third metal that has a property of taking up and holding at least one of moisture and oxygen. A thickness D1 of the first interlayer and a thickness D2 of the second interlayer satisfy 5%?D2/D1?25%.Type: GrantFiled: February 24, 2015Date of Patent: January 15, 2019Assignee: JOLED INC.Inventors: Noriyuki Matsusue, Hiroshi Katagiri
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Publication number: 20170033308Abstract: An organic electroluminescence (EL) element including an anode, a light-emitting layer above the anode, a first functional layer on and in contact with the light-emitting layer, a second functional layer on and in contact with the first functional layer, and a cathode above the second functional layer. A lowest unoccupied molecular orbital (LUMO) level of the first functional layer is lower than at least one of a LUMO level of the second functional layer and a Fermi level of a metal material included in the second functional layer.Type: ApplicationFiled: July 27, 2016Publication date: February 2, 2017Applicants: JOLED INC., JAPAN DISPLAY INC.Inventors: Kosuke MISHIMA, Junko TANAKA, Hiroshi KATAGIRI, Takahiro KOMATSU
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Publication number: 20170033314Abstract: An organic EL element including an anode; a light-emitting layer above the anode; a first interlayer on the light-emitting layer, the first interlayer including a fluoride of a first metal that is an alkali metal or alkaline earth metal; a second interlayer on the first interlayer, the second interlayer including a second metal that has a property of cleaving a bond between the first metal and fluorine in the fluoride; a cathode on the second interlayer; and a sorption layer above the cathode, the sorption layer including a third metal that has a property of taking up and holding at least one of moisture and oxygen. A thickness D1 of the first interlayer and a thickness D2 of the second interlayer satisfy 5%?D2/D1?25%.Type: ApplicationFiled: February 24, 2015Publication date: February 2, 2017Applicant: JOLED INC.Inventors: Noriyuki MATSUSUE, Hiroshi KATAGIRI
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Publication number: 20170012231Abstract: An organic electroluminescence (EL) element including an anode, a cathode opposing the anode, a light-emitting layer between the anode and the cathode, a hole transport layer in contact with the light-emitting layer, between the light-emitting layer and the anode, and an electron transport layer in contact with the light-emitting layer, between the light-emitting layer and the cathode. A difference between a lowest unoccupied molecular orbital (LUMO) level of an organic material included in the light-emitting layer and a LUMO level of an organic material included in the electron transport layer is greater than a difference between a highest occupied molecular orbital (HOMO) level of an organic material included in the hole transport layer and a HOMO level of the organic material included in the light-emitting layer.Type: ApplicationFiled: July 7, 2016Publication date: January 12, 2017Applicants: JOLED INC., JAPAN DISPLAY INC.Inventors: Kosuke MISHIMA, Yoshiyuki OTA, Junko TANAKA, Takahiro KOMATSU, Hiroshi KATAGIRI
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Patent number: 9490444Abstract: The present invention provides an organic light-emitting element with improved chemical stability at the interface between the light-emitting layer and the electron transport layer, which maintains excellent, stable luminous efficiency for a long period. For this purpose, one aspect of the present invention is an organic EL element having a substrate, and a hole injection layer, a buffer layer, a light-emitting layer, a regulation layer, an electron transport layer and a cathode which are sequentially layered on one side of the substrate. The regulation layer is made of NaF, which is not chemically reactive with the light-emitting layer or the electron transport layer, and the electron transport layer is made of a CT complex using a host material and an n-type dopant, which are both organic materials.Type: GrantFiled: April 11, 2012Date of Patent: November 8, 2016Assignee: JOLED INC.Inventors: Masaki Aonuma, Hiroshi Katagiri
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Publication number: 20140159031Abstract: The present invention provides an organic light-emitting element with improved chemical stability at the interface between the light-emitting layer and the electron transport layer, which maintains excellent, stable luminous efficiency for a long period. For this purpose, one aspect of the present invention is an organic EL element having a substrate, and a hole injection layer, a buffer layer, a light-emitting layer, a regulation layer, an electron transport layer and a cathode which are sequentially layered on one side of the substrate. The regulation layer is made of NaF, which is not chemically reactive with the light-emitting layer or the electron transport layer, and the electron transport layer is made of a CT complex using a host material and an n-type dopant, which are both organic materials.Type: ApplicationFiled: April 11, 2012Publication date: June 12, 2014Applicant: Panasonic CorporationInventors: Masaki Aonuma, Hiroshi Katagiri
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Patent number: 8522424Abstract: According to an aspect of an embodiment, a wiring connection apparatus comprises a tray including a plurality of wiring connection members for connecting a plurality of wiring and a tray holder body, which holds the tray, wherein the tray is rotatably provided in the tray holder body, and a wiring introduction opening for introducing the plurality of wiring into the tray is formed in proximity to an axis of rotation of the tray.Type: GrantFiled: January 3, 2008Date of Patent: September 3, 2013Assignee: Fujitsu LimitedInventors: Yoshinori Hoshino, Naoya Yamazaki, Hiroshi Katagiri, Hideaki Matsumoto
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Patent number: 8153909Abstract: A coreless wiring board has no core board but a laminated structure in which a conductor layer and resin insulating layers are alternately laminated into a multilayer. Each of the resin insulating layers is formed to contain a glass cloth in an epoxy resin. A plurality of via holes is formed to penetrate each of the resin insulating layers, and a filled via conductor for electrically connecting the conductor layers is formed in the via holes respectively. A tip of the glass cloth contained in each of the resin insulating layers is protruded from an internal wall surface of the via hole and cuts into a sidewall of the filled via conductor.Type: GrantFiled: March 13, 2009Date of Patent: April 10, 2012Assignee: NGK Spark Plug Co., Ltd.Inventors: Hiroshi Katagiri, Toshiya Asano
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Patent number: 8093503Abstract: A coreless wiring board has no core board but a laminated structure in which a conductor layer and resin insulating layers are alternately laminated into a multilayer. Each of the resin insulating layers is formed to contain a glass cloth in an epoxy resin. A plurality of via holes taking a shape of an inverse truncated cone and having steps on internal wall surfaces is formed to penetrate each of the resin insulating layers, and a filled via conductor for electrically connecting the conductors is formed in each of the via holes.Type: GrantFiled: March 13, 2009Date of Patent: January 10, 2012Assignee: NGK Spark Plug Co., Ltd.Inventors: Hiroshi Katagiri, Toshiya Asano
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Publication number: 20100209063Abstract: A patch panel system includes a base panel having an array of openings and an array of engageable portions provided adjacent to the openings, and a first panel having a first opening and a first engageable portion which is arranged to be cooperatively engageable with the corresponding one of the engageable portions of the base panel, the first opening being configured to accommodate a first adapter, the corresponding of the openings in the base panel being configured to receive the first adapter therein.Type: ApplicationFiled: February 9, 2010Publication date: August 19, 2010Applicant: Fujitsu LimitedInventors: Yoshinori Hoshino, Hideo Araki, Hiroshi Katagiri
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Publication number: 20090236138Abstract: A coreless wiring board has no core board but a laminated structure in which a conductor layer and resin insulating layers are alternately laminated into a multilayer. Each of the resin insulating layers is formed to contain a glass cloth in an epoxy resin. A plurality of via holes is formed to penetrate each of the resin insulating layers, and a filled via conductor for electrically connecting the conductor layers is formed in the via holes respectively. A tip of the glass cloth contained in each of the resin insulating layers is protruded from an internal wall surface of the via hole and cuts into a sidewall of the filled via conductor.Type: ApplicationFiled: March 13, 2009Publication date: September 24, 2009Inventors: Hiroshi KATAGIRI, Toshiya Asano
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Publication number: 20090229874Abstract: A coreless wiring board has no core board but a laminated structure in which a conductor layer and resin insulating layers are alternately laminated into a multilayer. Each of the resin insulating layers is formed to contain a glass cloth in an epoxy resin. A plurality of via holes taking a shape of an inverse truncated cone and having steps on internal wall surfaces is formed to penetrate each of the resin insulating layers, and a filled via conductor for electrically connecting the conductors is formed in each of the via holes.Type: ApplicationFiled: March 13, 2009Publication date: September 17, 2009Inventors: Hiroshi KATAGIRI, Toshiya ASANO
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Publication number: 20080163482Abstract: According to an aspect of an embodiment, a wiring connection apparatus comprises a tray including a plurality of wiring connection members for connecting a plurality of wiring and a tray holder body, which holds the tray, wherein the tray is rotatably provided in the tray holder body, and a wiring introduction opening for introducing the plurality of wiring into the tray is formed in proximity to an axis of rotation of the tray.Type: ApplicationFiled: January 3, 2008Publication date: July 10, 2008Inventors: Yoshinori Hoshino, Naoya Yamazaki, Hiroshi Katagiri, Hideaki Matsumoto
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Publication number: 20080026216Abstract: An adhesive tape which is to be arranged between a lens and at least one of a plurality of chucks in an edge-machining apparatus comprises an adhesive face for being in contact with the lens. A measurement of an adhesive strength of the adhesive face is 4 gf (0.0392 N) or more when a polyethylene terephthalate plate which has been subjected to a surface treatment with a fluorine-modified silicone parting agent is used as a test plate in an adhesive strength test method based on a 180°-peeling method as defined in JIS Z 0237 “adhesive tape/adhesive sheet test method”. A technique which can be used to edge the lens in which an antifouling layer is formed by using a fluorine-containing silane compound having an excellent antifouling effect is also provided.Type: ApplicationFiled: September 21, 2007Publication date: January 31, 2008Applicant: Seiko Epson CorporationInventors: Akiko Kawase, Hiroshi Katagiri, Keiichi Suzuki, Katsuyoshi Takeshita
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Patent number: 7278906Abstract: An adhesive tape which is to be arranged between a lens and at least one of a plurality of chucks in an edge-machining apparatus comprises an adhesive face for being in contact with the lens. A measurement of an adhesive strength of the adhesive face is 4 gf (0.0392 N) or more when a polyethylene terephthalate plate which has been subjected to a surface treatment with a fluorine-modified silicone parting agent is used as a test plate in an adhesive strength test method based on a 180°-peeling method as defined in JIS Z 0237 “adhesive tape/adhesive sheet test method”. A technique which can be used to edge the lens in which an antifouling layer is formed by using a fluorine-containing silane compound having an excellent antifouling effect is also provided.Type: GrantFiled: July 27, 2004Date of Patent: October 9, 2007Assignee: Seiko Epson CorporationInventors: Akiko Kawase, Hiroshi Katagiri, Keiichi Suzuki, Katsuyoshi Takeshita
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Patent number: 7137701Abstract: A spectacle lens that can lower the slipperiness of a lens surface to an extent that allows an edging process by making without deteriorating the stain-proofing performance of the stain-proofing layer, when a stain-proofing layer is formed of two or more kinds of silane compounds including at least one or more kinds of fluorine-containing silane compounds, and as for the dynamic friction coefficient of lens surfaces defined by each of the two or more kinds of silane compounds as a single component, the highest value of the dynamic friction coefficients 1.4 times or more of the lowest value of the dynamic friction coefficients; and a manufacturing method thereof are provided.Type: GrantFiled: November 27, 2003Date of Patent: November 21, 2006Assignee: Seiko Epson CorporationInventors: Hiroshi Katagiri, Keiichi Suzuki, Akiko Kawase, Katsuyoshi Takeshita