Patents by Inventor Suguru Beppu
Suguru Beppu 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: 11978822Abstract: A method of manufacturing a light-emitting device 1 includes a step of providing first phosphor sheets 11, a step of providing second phosphor sheets 12, a step of providing a light-emitting element 13, a selection step of selecting a combination of one of the first phosphor sheets 11 and one of the second phosphor sheets 12 on the basis of a wavelength conversion characteristic of each of the first phosphor sheets 11 and a wavelength conversion characteristic of each of the second phosphor sheets 12, a step of obtaining a plurality of first phosphor pieces 11c and a plurality of second phosphor pieces 12c from the selected first phosphor sheet 11 and the selected second phosphor sheet 12, and a step of disposing one of the first phosphor pieces 11c and one of the second phosphor pieces 12c on or above the light-emitting element 13.Type: GrantFiled: October 26, 2021Date of Patent: May 7, 2024Assignee: NICHIA CORPORATIONInventor: Suguru Beppu
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Patent number: 11894497Abstract: A method of manufacturing a covering member includes: providing a first light-reflective member comprising a through-hole, the through-hole having first and second openings; arranging a light-transmissive resin containing a wavelength-conversion material within the through-hole; distributing the wavelength-conversion material predominantly on a side of the first opening of the through-hole within the light-transmissive resin; and after the step of distributing the wavelength-conversion material, removing a portion of the light-transmissive resin from a side of the second opening of the through-hole.Type: GrantFiled: September 28, 2020Date of Patent: February 6, 2024Assignee: NICHIA CORPORATIONInventors: Tadao Hayashi, Teruhito Azuma, Suguru Beppu, Kunihiro Izuno, Tsuyoshi Okahisa
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Publication number: 20220045235Abstract: A method of manufacturing a light-emitting device 1 includes a step of providing first phosphor sheets 11, a step of providing second phosphor sheets 12, a step of providing a light-emitting element 13, a selection step of selecting a combination of one of the first phosphor sheets 11 and one of the second phosphor sheets 12 on the basis of a wavelength conversion characteristic of each of the first phosphor sheets 11 and a wavelength conversion characteristic of each of the second phosphor sheets 12, a step of obtaining a plurality of first phosphor pieces 11c and a plurality of second phosphor pieces 12c from the selected first phosphor sheet 11 and the selected second phosphor sheet 12, and a step of disposing one of the first phosphor pieces 11c and one of the second phosphor pieces 12c on or above the light-emitting element 13.Type: ApplicationFiled: October 26, 2021Publication date: February 10, 2022Applicant: NICHIA CORPORATIONInventor: Suguru BEPPU
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Patent number: 11211521Abstract: A method of manufacturing a light-emitting device 1 includes a step of providing first phosphor sheets 11, a step of providing second phosphor sheets 12, a step of providing a light-emitting element 13, a selection step of selecting a combination of one of the first phosphor sheets 11 and one of the second phosphor sheets 12 on the basis of a wavelength conversion characteristic of each of the first phosphor sheets 11 and a wavelength conversion characteristic of each of the second phosphor sheets 12, a step of obtaining a plurality of first phosphor pieces 11c and a plurality of second phosphor pieces 12c from the selected first phosphor sheet 11 and the selected second phosphor sheet 12, and a step of disposing one of the first phosphor pieces 11c and one of the second phosphor pieces 12c on or above the light-emitting element 13.Type: GrantFiled: June 10, 2020Date of Patent: December 28, 2021Assignee: NICHIA CORPORATIONInventor: Suguru Beppu
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Patent number: 11056627Abstract: A light emitting device includes: a light emitting element; a wavelength conversion member disposed on or above an upper surface of the light emitting element; a light-transmissive member disposed on an upper surface of the wavelength conversion member; and a light reflective member disposed on each side surface of the light emitting element, the wavelength conversion member, and the light-transmissive member, wherein an upper surface of the light reflective member is coplanar with an upper surface of the light-transmissive member, and wherein each of the upper surface of the light reflective member and the upper surface of the light-transmissive member is a cut surface.Type: GrantFiled: February 7, 2020Date of Patent: July 6, 2021Assignee: NICHIA CORPORATIONInventors: Suguru Beppu, Yoichi Bando, Hiroto Tamaki, Takuya Nakabayashi
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Publication number: 20210013385Abstract: A method of manufacturing a covering member includes: providing a first light-reflective member comprising a through-hole, the through-hole having first and second openings; arranging a light-transmissive resin containing a wavelength-conversion material within the through-hole; distributing the wavelength-conversion material predominantly on a side of the first opening of the through-hole within the light-transmissive resin; and after the step of distributing the wavelength-conversion material, removing a portion of the light-transmissive resin from a side of the second opening of the through-hole.Type: ApplicationFiled: September 28, 2020Publication date: January 14, 2021Applicant: NICHIA CORPORATIONInventors: Tadao HAYASHI, Teruhito AZUMA, Suguru BEPPU, Kunihiro IZUNO, Tsuyoshi OKAHISA
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Publication number: 20200395502Abstract: A method of manufacturing a light-emitting device 1 includes a step of providing first phosphor sheets 11, a step of providing second phosphor sheets 12, a step of providing a light-emitting element 13, a selection step of selecting a combination of one of the first phosphor sheets 11 and one of the second phosphor sheets 12 on the basis of a wavelength conversion characteristic of each of the first phosphor sheets 11 and a wavelength conversion characteristic of each of the second phosphor sheets 12, a step of obtaining a plurality of first phosphor pieces 11c and a plurality of second phosphor pieces 12c from the selected first phosphor sheet 11 and the selected second phosphor sheet 12, and a step of disposing one of the first phosphor pieces 11c and one of the second phosphor pieces 12c on or above the light-emitting element 13.Type: ApplicationFiled: June 10, 2020Publication date: December 17, 2020Applicant: NICHIA CORPORATIONInventor: Suguru BEPPU
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Patent number: 10825967Abstract: A method of manufacturing a covering member includes: providing a first light-reflective member comprising a through-hole, the through-hole having first and second openings; arranging a light-transmissive resin containing a wavelength-conversion material within the through-hole; distributing the wavelength-conversion material predominantly on a side of the first opening of the through-hole within the light-transmissive resin; and after the step of distributing the wavelength-conversion material, removing a portion of the light-transmissive resin from a side of the second opening of the through-hole.Type: GrantFiled: June 20, 2019Date of Patent: November 3, 2020Assignee: NICHIA CORPORATIONInventors: Tadao Hayashi, Teruhito Azuma, Suguru Beppu, Kunihiro Izuno, Tsuyoshi Okahisa
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Publication number: 20200176652Abstract: A light emitting device includes: a light emitting element; a wavelength conversion member disposed on or above an upper surface of the light emitting element; a light-transmissive member disposed on an upper surface of the wavelength conversion member; and a light reflective member disposed on each side surface of the light emitting element, the wavelength conversion member, and the light-transmissive member, wherein an upper surface of the light reflective member is coplanar with an upper surface of the light-transmissive member, and wherein each of the upper surface of the light reflective member and the upper surface of the light-transmissive member is a cut surface.Type: ApplicationFiled: February 7, 2020Publication date: June 4, 2020Applicant: NICHIA CORPORATIONInventors: Suguru BEPPU, Yoichi BANDO, Hiroto TAMAKI, Takuya NAKABAYASHI
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Patent number: 10600942Abstract: A light emitting device includes a semiconductor light emitting element; and a light reflective member having a multilayer structure and covering the side faces of the semiconductor light emitting element. The light reflective member includes: a first layer disposed on an inner, semiconductor light emitting element side, the first layer comprising a light-transmissive resin containing a light reflective substance, and a second layer disposed in contact with an outer side of the first layer, the second layer comprising a light-transmissive resin containing the light reflective substance at a lower content than that of the first layer.Type: GrantFiled: December 12, 2018Date of Patent: March 24, 2020Assignee: NICHIA CORPORATIONInventors: Suguru Beppu, Yoichi Bando, Hiroto Tamaki, Takuya Nakabayashi
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Publication number: 20190312183Abstract: A method of manufacturing a covering member includes: providing a first light-reflective member comprising a through-hole, the through-hole having first and second openings; arranging a light-transmissive resin containing a wavelength-conversion material within the through-hole; distributing the wavelength-conversion material predominantly on a side of the first opening of the through-hole within the light-transmissive resin; and after the step of distributing the wavelength-conversion material, removing a portion of the light-transmissive resin from a side of the second opening of the through-hole.Type: ApplicationFiled: June 20, 2019Publication date: October 10, 2019Applicant: NICHIA CORPORATIONInventors: Tadao HAYASHI, Teruhito AZUMA, Suguru BEPPU, Kunihiro IZUNO, Tsuyoshi OKAHISA
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Patent number: 10381525Abstract: A method of manufacturing a light emitting device includes: mounting a light emitting element on a board; forming a cover layer that contains light reflecting material at a place on the board where the light emitting element is not positioned after the mounting of the light emitting element; and forming a phosphor layer that contains a phosphor by spraying on surfaces of the light emitting element and the cover layer after the forming of the cover layer.Type: GrantFiled: October 11, 2018Date of Patent: August 13, 2019Assignee: NICHIA CORPORATIONInventor: Suguru Beppu
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Patent number: 10374134Abstract: A light emitting device includes: a covering member including a first light-reflective member having a through-hole, and a light-transmissive resin disposed in the through-hole; a light-emitting element arranged to face the light-transmissive resin; a second light-reflective member arranged to face the first light-reflective member around the light-emitting element, the second light-reflective member covering a lateral surface of the light-emitting element; and a bonding member bonding the light-transmissive resin and the light-emitting element, the bonding member covering at least a part of the lateral surface of the light-emitting element. The light-transmissive resin contains a wavelength-conversion material distributed predominantly on either (i) a side of a lower surface of the light-transmissive resin facing the light-emitting element, or (ii) a side of an upper surface of the light-transmissive resin apart from the light-emitting element.Type: GrantFiled: May 27, 2016Date of Patent: August 6, 2019Assignee: NICHIA CORPORATIONInventors: Tadao Hayashi, Teruhito Azuma, Suguru Beppu, Kunihiro Izuno, Tsuyoshi Okahisa
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Publication number: 20190140152Abstract: A light emitting device includes a semiconductor light emitting element; and a light reflective member having a multilayer structure and covering the side faces of the semiconductor light emitting element. The light reflective member includes: a first layer disposed on an inner, semiconductor light emitting element side, the first layer comprising a light-transmissive resin containing a light reflective substance, and a second layer disposed in contact with an outer side of the first layer, the second layer comprising a light-transmissive resin containing the light reflective substance at a lower content than that of the first layer.Type: ApplicationFiled: December 12, 2018Publication date: May 9, 2019Applicant: NICHIA CORPORATIONInventors: Suguru BEPPU, Yoichi BANDO, Hiroto TAMAKI, Takuya NAKABAYASHI
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Publication number: 20190081217Abstract: A method of manufacturing a light emitting device includes: mounting a light emitting element on a board; forming a cover layer that contains light reflecting material at a place on the board where the light emitting element is not positioned after the mounting of the light emitting element; and forming a phosphor layer that contains a phosphor by spraying on surfaces of the light emitting element and the cover layer after the forming of the cover layer.Type: ApplicationFiled: October 11, 2018Publication date: March 14, 2019Inventor: Suguru BEPPU
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Patent number: 10193036Abstract: A light emitting device includes a semiconductor light emitting element; and a light reflective member having a multilayer structure and covering the side faces of the semiconductor light emitting element. The light reflective member includes: a first layer disposed on an inner, semiconductor light emitting element side, the first layer comprising a light-transmissive resin containing a light reflective substance, and a second layer disposed in contact with an outer side of the first layer, the second layer comprising a light-transmissive resin containing the light reflective substance at a lower content than that of the first layer.Type: GrantFiled: January 25, 2018Date of Patent: January 29, 2019Assignee: NICHIA CORPORATIONInventors: Suguru Beppu, Yoichi Bando, Hiroto Tamaki, Takuya Nakabayashi
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Patent number: 10128416Abstract: A method for manufacturing a light emitting device, having mounting a light emitting element on a board, forming a phosphor layer that contains a phosphor by spraying on surfaces of the board and the light emitting element after the mounting of the light emitting element; and forming a cover layer that contains at least one type of light reflecting material and light blocking material on a surface of the phosphor layer over the board.Type: GrantFiled: September 8, 2016Date of Patent: November 13, 2018Assignee: NICHIA CORPORATIONInventor: Suguru Beppu
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Publication number: 20180151786Abstract: A light emitting device includes a semiconductor light emitting element; and a light reflective member having a multilayer structure and covering the side faces of the semiconductor light emitting element. The light reflective member includes: a first layer disposed on an inner, semiconductor light emitting element side, the first layer comprising a light-transmissive resin containing a light reflective substance, and a second layer disposed in contact with an outer side of the first layer, the second layer comprising a light-transmissive resin containing the light reflective substance at a lower content than that of the first layer.Type: ApplicationFiled: January 25, 2018Publication date: May 31, 2018Applicant: NICHIA CORPORATIONInventors: Suguru BEPPU, Yoichi BANDO, Hiroto TAMAKI, Takuya NAKABAYASHI
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Patent number: 9978914Abstract: A light emitting device includes a board, a light emitting element, a phosphor layer and a cover layer. The light emitting element is mounted on the board. The phosphor layer is in a substantially uniform thickness composed of a plurality of layers formed on a surface of the light emitting element. The cover layer contains light reflecting material at a place on the board where the light emitting element is not mounted. The cover layer covers the phosphor layer.Type: GrantFiled: May 9, 2016Date of Patent: May 22, 2018Assignee: NICHIA CORPORATIONInventor: Suguru Beppu
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Patent number: 9917236Abstract: A light emitting device includes a semiconductor light emitting element; and a light reflective member having a multilayer structure and covering the side faces of the semiconductor light emitting element. The light reflective member includes: a first layer disposed on an inner, semiconductor light emitting element side, the first layer comprising a light-transmissive resin containing a light reflective substance, and a second layer disposed in contact with an outer side of the first layer, the second layer comprising a light-transmissive resin containing the light reflective substance at a lower content than that of the first layer.Type: GrantFiled: April 24, 2017Date of Patent: March 13, 2018Assignee: NICHIA CORPORATIONInventors: Suguru Beppu, Yoichi Bando, Hiroto Tamaki, Takuya Nakabayashi