Patents by Inventor Kenji Ozeki
Kenji Ozeki 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: 11616179Abstract: A method of manufacturing a light emitting device that comprises a first cover member and a second cover member, includes: providing a package that comprises a substrate, a plurality of resin walls, and a recessed part defined by an upper surface of the substrate and lateral surfaces of the plurality of resin walls, wherein the substrate includes a grooved part surrounding a first region; mounting a light emitting element in the first region; forming the second cover member in a region between the lateral surfaces defining the recessed part to an upper edge of an outer perimeter of the grooved part; forming the first cover member, which comprises depositing an uncured resin on the second cover member, and allowing the uncured resin to flow into a groove of the grooved part; and forming a light transmitting member on the first cover member and the light emitting element.Type: GrantFiled: October 28, 2021Date of Patent: March 28, 2023Assignee: NICHIA CORPORATIONInventors: Kenji Ozeki, Atsushi Kojima, Chinami Nakai
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Publication number: 20230005895Abstract: A light emitting device and a light emitting module both having narrow spacing between emission faces, as well as a method of manufacturing light emitting device and a method of manufacturing light emitting module are provided. A light emitting device 100 includes element structure bodies 15, at least one of the element structure bodies including a submount substrate 10, a light emitting element 20 disposed on the submount substrate 10, a light transmitting member 30 disposed on the light emitting element 20, and a first cover member 50 covering the lateral faces of the light emitting element 20 on the submount substrate 10, and a second cover member 60 supporting the element structure bodies 15 by covering the lateral faces of the element structure bodies 15.Type: ApplicationFiled: November 2, 2020Publication date: January 5, 2023Applicant: NICHIA CORPORATIONInventors: Kenji OZEKI, Kosuke SATO, Chinami NAKAI, Takashi ISHII, Atsushi KOJIMA
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Publication number: 20230003361Abstract: A light-emitting module includes a first substrate, a heat dissipation member, a second substrate, and a light-emitting element. The heat dissipation member is disposed on the first substrate. The second substrate is disposed on the heat dissipation member. The light-emitting element is disposed on a lower surface of the first substrate or an upper surface of the second substrate. The heat dissipation member includes a graphite member and a metal member. The graphite member has a first surface facing the first substrate and a second surface located opposite to the first surface. The graphite member has a first groove extending in a first direction in the first surface. The metal member includes a first internal metal member disposed in the first groove.Type: ApplicationFiled: June 28, 2022Publication date: January 5, 2023Applicant: NICHIA CORPORATIONInventors: Yoshiyuki KAGEYAMA, Kenji OZEKI
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Publication number: 20220397921Abstract: Provided is a hot and cold water mixer capable of performing stable temperature control, including a cold water supply pipe, a hot water supply pipe, a mixing pipe, flow rate adjustment valves, temperature sensors, flow rate sensors, a setting unit, and a control unit. When the control unit determines that either one of the flow rate adjustment valves cannot increase the flow rate, and also determines, by comparing the target flow rate for the one flow rate adjustment valve with the flow rate of water flowing through the one flow rate adjustment valve, that the target flow rate for the one flow rate adjustment valve is higher, the control unit calculates and updates the target flow rate for the other flow rate adjustment valve and controls the other flow rate adjustment valve based on the updated target flow rate.Type: ApplicationFiled: June 4, 2020Publication date: December 15, 2022Applicant: LIXIL CorporationInventors: Takayuki MIZUNO, Kenji OZEKI, Azumi KAMATA, Masaaki NAGATA
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Publication number: 20220302098Abstract: A light emitting device includes a substrate, a light emitting element, and a protective element. The substrate includes a support member and a plurality of wirings disposed on an upper surface of the support member. The substrate has a first side extending in a first direction and a second side opposite to the first side. The light emitting element is disposed on an upper surface of the substrate, and the protective element is disposed on the upper surface of the substrate. The plurality of wirings has a plurality of external connecting portions disposed adjacent to the first side and arranged in the first direction in a plan view. The protective element is disposed between the light emitting element and the second side of the substrate.Type: ApplicationFiled: June 10, 2022Publication date: September 22, 2022Applicant: NICHIA CORPORATIONInventors: Kenji OZEKI, Hiroki FUKUTA
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Publication number: 20220263003Abstract: A light-emitting device includes: a light-emiting element; a wiring board that includes: a substrate, and a wiring pattern including: a plating base layer disposed on the substrate so as to have a gap portion that surrounds a first region in which the light-emitting element is mounted, and a plating layer having a groove that surrounds the first region; a first covering member, at least a portion of which is located in the groove and includes: a reflective material containing layer that contains a first reflective material, and a light-transmissive layer formed above the reflective material containing layer; and a light-transmissive member disposed on the first covering member and the light-emitting element.Type: ApplicationFiled: May 4, 2022Publication date: August 18, 2022Applicant: NICHIA CORPORATIONInventors: Atsushi KOJIMA, Kenji OZEKI, Chinami NAKAI
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Patent number: 11393803Abstract: A light emitting device includes a substrate and a light emitting element mounted on the substrate, a light transmissive member, covering member, first and second protruding members, and a protective element. The light transmissive member is disposed on an upper surface of the light emitting element. The covering member covers an upper surface of the substrate, a lateral surface of the light emitting element, and at least a portion of a lateral surface of the light transmissive member such that an upper surface of the light transmissive member is exposed. The first protruding member and the second protruding member are provided on the substrate such that the light emitting element and the light transmissive member are positioned between the first protruding member and the second protruding member. The protective element is mounted on the substrate so as to be positioned between the light emitting element and the second protruding member.Type: GrantFiled: September 28, 2020Date of Patent: July 19, 2022Assignee: NICHIA CORPORATIONInventors: Kenji Ozeki, Hiroki Fukuta
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Publication number: 20220209079Abstract: A light-emitting module includes: a plurality of light-emitting elements; a first substrate having an upper surface that includes an element mounting region on which the light-emitting elements are mounted, the first substrate including a plurality of first terminals; a second substrate having an upper surface that includes a substrate mounting region on which the first substrate is mounted, the second substrate including a plurality of second terminals; a plurality of wires each connected to corresponding ones of the first terminals and the second terminals; a light-shielding covering member disposed outward of the element mounting region so as to cover the plurality of wires; and a light-transmissive first projection disposed along the element mounting region between the element mounting region and the first terminals so as to be in contact with the covering member.Type: ApplicationFiled: December 21, 2021Publication date: June 30, 2022Applicant: NICHIA CORPORATIONInventors: Kensuke YAMAOKA, Kenji OZEKI
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Publication number: 20220199877Abstract: A method of manufacturing a light-emitting device includes: a providing step including providing a plurality of light sources, each of the light sources having an upper surface including a light-emitting portion, a lower surface opposite to the upper surface, and lateral surfaces between the upper surface and the lower surface, wherein each of the light sources includes an external connection terminal at the lower surface, and wherein the plurality of light sources are ranked in terms of at least one of luminous flux or chromaticity; an extracting step including extracting a plurality of light sources in a desired rank from the plurality of light sources; and a bonding step including bonding the lateral surfaces of adjacent ones of the plurality of extracted light sources via a bonding member such that the upper surfaces and the lower surfaces of the light sources are exposed from the bonding member and such that the bonding member is spaced apart from the external connection terminals.Type: ApplicationFiled: December 15, 2021Publication date: June 23, 2022Applicant: NICHIA CORPORATIONInventors: Atsushi KOJIMA, Kenji OZEKI
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Patent number: 11362248Abstract: A method of manufacturing a light-emitting device includes: providing a wiring board that includes: a substrate, and a wiring pattern comprising: a plating base layer disposed on the substrate so as to have a gap portion that surrounds a first region in which a light-emitting element is to be mounted, and a plating layer having a groove that surrounds the first region; mounting the light-emitting element in the first region; supplying a first resin that contains a first reflective material into the groove; forming a first covering member, at least a portion of which is located in the groove and comprises: a reflective material containing layer containing the first reflective material, and a light-transmissive layer formed above the reflective material containing layer; and forming a light-transmissive member on the first covering member and the light-emitting element.Type: GrantFiled: July 14, 2020Date of Patent: June 14, 2022Assignee: NICHIA CORPORATIONInventors: Atsushi Kojima, Kenji Ozeki, Chinami Nakai
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Patent number: 11309467Abstract: A method for manufacturing a light emitting device includes preparing a light transmissive member block including a first light transmissive member block having a plate like shape and including a resin containing at least one phosphor and a second light transmissive member block including a material harder than a material of the first light transmissive member block. Grooves are formed on an upper face of the second light transmissive member block. The light transmissive member block is divided at the grooves to obtain a plurality of light transmissive members each having a first light transmissive member and a second light transmissive member. A lower face of the first light transmissive member and an upper face of a light emitting element are bonded together such that a lower face perimeter of the first light transmissive member is located outside of an upper face perimeter of the light emitting element.Type: GrantFiled: July 28, 2020Date of Patent: April 19, 2022Assignee: NICHIA CORPORATIONInventors: Kenji Ozeki, Shimpei Maeda
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Publication number: 20220052238Abstract: A method of manufacturing a light emitting device that comprises a first cover member and a second cover member, includes: providing a package that comprises a substrate, a plurality of resin walls, and a recessed part defined by an upper surface of the substrate and lateral surfaces of the plurality of resin walls, wherein the substrate includes a grooved part surrounding a first region; mounting a light emitting element in the first region; forming the second cover member in a region between the lateral surfaces defining the recessed part to an upper edge of an outer perimeter of the grooved part; forming the first cover member, which comprises depositing an uncured resin on the second cover member, and allowing the uncured resin to flow into a groove of the grooved part; and forming a light transmitting member on the first cover member and the light emitting element.Type: ApplicationFiled: October 28, 2021Publication date: February 17, 2022Applicant: NICHIA CORPORATIONInventors: Kenji OZEKI, Atsushi KOJIMA, Chinami NAKAI
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Publication number: 20220029061Abstract: A light-emitting device includes: a mounting board; at least one light-emitting element located on or above the mounting board; a first covering member comprising, in order from an upper surface of the mounting board: a containing layer comprising a light-absorbing material, and a light-transmissive layer; and a second covering member located over the first covering member and the light-emitting element. A thickness of the containing layer is less than a thickness of the light-emitting element.Type: ApplicationFiled: October 6, 2021Publication date: January 27, 2022Applicant: NICHIA CORPORATIONInventors: Kenji OZEKI, Atsushi KOJIMA, Chinami NAKAI, Yoshio ICHIHARA
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Publication number: 20220020733Abstract: A light emitting device includes: a mounting board; a plurality of light emitting elements disposed on the mounting board; a plurality of light transmissive members, each located on an upper surface of a respective one of the light emitting element; a first cover member located on or above the mounting board, the first cover member including: a first reflective material containing layer disposed between the light emitting elements and containing a first reflective material, and a light transmissive layer disposed between the light transmissive members; and a second cover member disposed around the light emitting elements.Type: ApplicationFiled: September 29, 2021Publication date: January 20, 2022Applicant: NICHIA CORPORATIONInventors: Kenji OZEKI, Atsushi KOJIMA, Chinami NAKAI
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Patent number: 11189765Abstract: A light emitting device includes: a substrate including a grooved part surrounding a first region; a light emitting element mounted in the first region; a first cover member comprising: a reflecting material-containing layer that is disposed in the groove of the grooved part and that contains a first reflecting material, and a light transmitting layer that covers at least a portion of lateral surfaces of the light emitting element; and a light transmitting member disposed on the first cover member and the light emitting element.Type: GrantFiled: December 24, 2019Date of Patent: November 30, 2021Assignee: NICHIA CORPORATIONInventors: Kenji Ozeki, Atsushi Kojima, Chinami Nakai
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Publication number: 20210367118Abstract: A light emitting device includes: a package in which a recess is defined; a light emitting element mounted on a bottom surface defining the recess; a first reflecting layer covering lateral surfaces defining the recess; and a second reflecting layer covering the bottom surface defining the recess, wherein the second reflecting layer is in contact with the first reflecting layer, wherein at least a portion of lateral surfaces of the light emitting element is exposed from the second reflecting layer.Type: ApplicationFiled: August 10, 2021Publication date: November 25, 2021Applicant: NICHIA CORPORATIONInventors: Kenji OZEKI, Atsushi KOJIMA, Chinami NAKAI
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Patent number: 11171260Abstract: A light-emitting device includes: a mounting board; at least one light-emitting element located on or above the mounting board; a first covering member comprising, in order from an upper surface of the mounting board: a containing layer comprising a light-absorbing material, and a light-transmissive layer; and a second covering member over the first covering member and the light-emitting element. A thickness of the containing layer is less than a thickness of the light-emitting element.Type: GrantFiled: September 27, 2019Date of Patent: November 9, 2021Assignee: NICHIA CORPORATIONInventors: Kenji Ozeki, Atsushi Kojima, Chinami Nakai, Yoshio Ichihara
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Patent number: 11164991Abstract: A light emitting device includes: a plurality of light emitting elements; a plurality of light transmissive members, each located on an upper surface of a respective one of the light emitting element; a mounting board on which the light emitting elements are disposed; a first cover member located on or above the mounting board, the first cover member comprising: a first reflective material containing layer disposed between the light emitting elements and containing a first reflective material, and a light transmissive layer disposed between the light transmissive members; and a second cover member disposed around the light emitting elements and comprising a second reflective material.Type: GrantFiled: December 20, 2019Date of Patent: November 2, 2021Assignee: NICHIA CORPORATIONInventors: Kenji Ozeki, Atsushi Kojima, Chinami Nakai
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Patent number: 11121297Abstract: A method of manufacturing a light emitting device includes: mounting a light emitting element in a package in which a recess is defined, the light emitting element being mounted on a bottom surface defining the recess; forming a first reflecting layer by covering lateral surfaces defining the recess with a first resin containing a first reflecting material; forming a second reflecting layer covering the bottom surface defining the recess, wherein the step of forming the second reflecting layer comprises settling the second reflecting material in the second resin by a centrifugal force so as to form (i) a layer containing a second reflecting material on the bottom surface defining the recess, and (ii) a light-transmissive layer above the layer containing the second reflecting material; and disposing a phosphor-containing layer on the second reflecting layer and the light emitting element, the phosphor-containing layer comprising a third resin that contains a phosphor.Type: GrantFiled: June 27, 2019Date of Patent: September 14, 2021Assignee: NICHIA CORPORATIONInventors: Kenji Ozeki, Atsushi Kojima, Chinami Nakai
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Patent number: 11079094Abstract: A light emitting device includes a light emitting element, a light-transmissive member, a covering member, and a base member. The light-transmissive member has a flange on a lateral surface thereof in such a manner as to continue from a periphery of an upper surface to a periphery of a lower surface of the light-transmissive member and to be positioned outside the upper surface of the light-transmissive member and an upper surface of the light emitting element in plan view. The flange has a thin portion at an inner side than the outer edge side of the flange. The thin portion has a thickness smaller than a thickness of the outer edge side of the flange.Type: GrantFiled: July 16, 2020Date of Patent: August 3, 2021Assignee: NICHIA CORPORATIONInventors: Kenji Ozeki, Masami Nishi