Patents by Inventor Kunihito Sugimoto
Kunihito Sugimoto 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: 11417811Abstract: A light emitting element includes a semiconductor stacked body, an insulating film, first and second electrodes, a second external connection portion, and first external connection portions. The first semiconductor layer is exposed at a plurality of exposed portions disposed in a plurality of rows in plan view. The first external connection portions include at least one smaller-size first external connection portion disposed between adjacent ones of the rows other than the outermost one of the rows, and at least one larger-size first external connection portion extending from the end region, in which a spacing between a first outer edge of a second semiconductor layer and the exposed portions in the outermost one of the rows is narrower than a spacing between the exposed portions in adjacent ones of the rows, to at least a position between the outermost one of the rows and an adjacent one of the rows.Type: GrantFiled: December 17, 2019Date of Patent: August 16, 2022Assignee: NICHIA CORPORATIONInventors: Koichi Takenaga, Takanori Fukumori, Satoshi Shichijo, Hiroki Fukuta, Kunihito Sugimoto
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Patent number: 11024770Abstract: A light emitting element includes a semiconductor layered body, an insulating film, first and second electrodes, and first and second external connection parts. The first semiconductor layer is exposed from the light emitting layer and the second semiconductor layer at exposed portions arranged in columns each extending in a first direction. The insulating film defines openings respectively located above the exposed portions. The first electrode is connected to the first semiconductor layer through the openings and covers a part of the second semiconductor layer via the insulating film. The first external connection part is connected to the first electrode and spaced apart from the exposed portions in the plan view. The first external connection part has a shape elongated in the first direction between adjacent ones of the columns of the exposed portions. The second external connection part is connected to the second semiconductor layer via the second electrode.Type: GrantFiled: September 6, 2018Date of Patent: June 1, 2021Assignee: NICHIA CORPORATIONInventors: Satoshi Shichijo, Hiroki Fukuta, Kunihito Sugimoto, Yasuhiro Miki, Koichi Takenaga
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Publication number: 20200212278Abstract: A light emitting element includes a semiconductor stacked body, an insulating film, first and second electrodes, a second external connection portion, and first external connection portions. The first semiconductor layer is exposed at a plurality of exposed portions disposed in a plurality of rows in plan view. The first external connection portions include at least one smaller-size first external connection portion disposed between adjacent ones of the rows other than the outermost one of the rows, and at least one larger-size first external connection portion extending from the end region, in which a spacing between a first outer edge of a second semiconductor layer and the exposed portions in the outermost one of the rows is narrower than a spacing between the exposed portions in adjacent ones of the rows, to at least a position between the outermost one of the rows and an adjacent one of the rows.Type: ApplicationFiled: December 17, 2019Publication date: July 2, 2020Inventors: Koichi TAKENAGA, Takanori FUKUMORI, Satoshi SHICHIJO, Hiroki FUKUTA, Kunihito SUGIMOTO
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Patent number: 10651336Abstract: A light-emitting device includes: a mounting base; a plurality of light-emitting elements mounted on or above the mounting base; a plurality of light-transmissive members respectively disposed on upper surfaces of the plurality of light-emitting elements; a plurality of light guide members respectively covering lateral surfaces of the plurality of light-emitting elements; a plurality of antireflective films respectively disposed on upper surfaces of the plurality of the light-transmissive members; and a covering member covering lateral surfaces of the plurality of antireflective films.Type: GrantFiled: September 23, 2019Date of Patent: May 12, 2020Assignee: NICHIA CORPORATIONInventors: Takeshi Kususe, Satoshi Shichijo, Kunihito Sugimoto
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Publication number: 20200020824Abstract: A light-emitting device includes: a mounting base; a plurality of light-emitting elements mounted on or above the mounting base; a plurality of light-transmissive members respectively disposed on upper surfaces of the plurality of light-emitting elements; a plurality of light guide members respectively covering lateral surfaces of the plurality of light-emitting elements; a plurality of antireflective films respectively disposed on upper surfaces of the plurality of the light-transmissive members; and a covering member covering lateral surfaces of the plurality of antireflective films.Type: ApplicationFiled: September 23, 2019Publication date: January 16, 2020Applicant: NICHIA CORPORATIONInventors: Takeshi KUSUSE, Satoshi SHICHIJO, Kunihito SUGIMOTO
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Patent number: 10461215Abstract: A method of manufacturing a light-emitting device includes: directly bonding a plurality of light-emitting elements to a collective light-transmissive member having a plate shape, each light-emitting element comprising a plurality of electrodes; subsequently, forming stud bumps on each electrode of each light-emitting element; subsequently, dividing the collective light-transmissive member to obtain a plurality of light-transmissive members on each of which one or more of the light-emitting elements are bonded; and subsequently, mounting the light-emitting elements on or above a mounting base by a flip-chip technique.Type: GrantFiled: June 29, 2018Date of Patent: October 29, 2019Assignee: NICHIA CORPORATIONInventors: Takeshi Kususe, Satoshi Shichijo, Kunihito Sugimoto
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Patent number: 10367129Abstract: A light emitting device includes a mounting board including: a base part, and one or more wiring structures, each of which includes one or more first wiring parts, and one or more second wiring parts, in that order, from a base part side, wherein, in a plan view, an area of each of the one or more second wiring parts is smaller than an area of each of the one or more first wiring parts; one or more light emitting elements bonded to the second wiring parts via bonding members; and a reflective member covering at least a portion of the bonding members and at least a portion of the one or more wiring structures. A reflectance of the one or more first wiring parts is higher than a reflectance of the bonding members. The one or more second wiring parts and the bonding members comprise the same material at their outermost surfaces.Type: GrantFiled: June 12, 2017Date of Patent: July 30, 2019Assignee: NICHIA CORPORATIONInventors: Satoshi Shichijo, Kunihito Sugimoto
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Patent number: 10283688Abstract: A light emitting device includes a mounting board, a first light emitting element and a second light emitting element. The mounting board includes an insulator which includes a front face and a back face, a pair of front face wiring parts disposed on the front face of the insulator, a connection wiring part disposed on the front face of the insulator and spaced apart from the front face wiring parts, a pair of back face terminals disposed on the back face of the insulator, first interlayer wiring parts penetrating the insulator and electrically connecting the front face wiring parts and the back face terminals, and one or more second interlayer wiring parts embedded in the insulator to be in contact with the connection wiring part, and spaced apart from the back face terminals.Type: GrantFiled: August 18, 2017Date of Patent: May 7, 2019Assignee: NICHIA CORPORATIONInventors: Akira Goto, Kunihito Sugimoto
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Publication number: 20190097086Abstract: A light emitting element includes a semiconductor layered body, an insulating film, first and second electrodes, and first and second external connection parts. The first semiconductor layer is exposed from the light emitting layer and the second semiconductor layer at exposed portions arranged in columns each extending in a first direction. The insulating film defines openings respectively located above the exposed portions. The first electrode is connected to the first semiconductor layer through the openings and covers a part of the second semiconductor layer via the insulating film. The first external connection part is connected to the first electrode and spaced apart from the exposed portions in the plan view. The first external connection part has a shape elongated in the first direction between adjacent ones of the columns of the exposed portions. The second external connection part is connected to the second semiconductor layer via the second electrode.Type: ApplicationFiled: September 6, 2018Publication date: March 28, 2019Inventors: Satoshi SHICHIJO, Hiroki FUKUTA, Kunihito SUGIMOTO
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Patent number: 10186633Abstract: A method of manufacturing a light emitting device includes: forming a light-transmissive member that is substantially rectangular in a plan view to cover an upper surface of a light emitting element mounted on a base member; and forming a frame body so as to surround the light-transmissive member, wherein, in the step of forming the frame body, the frame body is formed such that a distance from an upper surface of the base member to an upper end of the frame body is smaller along a short side of the light-transmissive member than along a long side of the light-transmissive member.Type: GrantFiled: August 22, 2017Date of Patent: January 22, 2019Assignee: NICHIA CORPORATIONInventors: Satoshi Shichijo, Kunihito Sugimoto, Kenji Ozeki, Shogo Abe
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Patent number: 10181459Abstract: A method of manufacturing a light-emitting device incudes providing a supporting member having a recess; disposing a light-emitting element at a bottom surface of the recess; disposing a first light-reflecting resin at the bottom surface of the recess; disposing a second light-reflecting resin in the recess, a viscosity of the second light-reflecting resin being higher than a viscosity of the first light-reflecting resin; and curing the first light-reflecting resin and the second light-reflecting resin to form a light-reflecting wall.Type: GrantFiled: November 8, 2016Date of Patent: January 15, 2019Assignee: NICHIA CORPORATIONInventors: Kenji Ozeki, Takakazu Kono, Kunihito Sugimoto
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Publication number: 20190006554Abstract: A method of manufacturing a light-emitting device includes: directly bonding a plurality of light-emitting elements to a collective light-transmissive member having a plate shape, each light-emitting element comprising a plurality of electrodes; subsequently, forming stud bumps on each electrode of each light-emitting element; subsequently, dividing the collective light-transmissive member to obtain a plurality of light-transmissive members on each of which one or more of the light-emitting elements are bonded; and subsequently, mounting the light-emitting elements on or above a mounting base by a flip-chip technique.Type: ApplicationFiled: June 29, 2018Publication date: January 3, 2019Applicant: NICHIA CORPORATIONInventors: Takeshi KUSUSE, Satoshi SHICHIJO, Kunihito SUGIMOTO
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Publication number: 20180053886Abstract: A light emitting device includes a mounting board, a first light emitting element and a second light emitting element. The mounting board includes an insulator which includes a front face and a back face, a pair of front face wiring parts disposed on the front face of the insulator, a connection wiring part disposed on the front face of the insulator and spaced apart from the front face wiring parts, a pair of back face terminals disposed on the back face of the insulator, first interlayer wiring parts penetrating the insulator and electrically connecting the front face wiring parts and the back face terminals, and one or more second interlayer wiring parts embedded in the insulator to be in contact with the connection wiring part, and spaced apart from the back face terminals.Type: ApplicationFiled: August 18, 2017Publication date: February 22, 2018Inventors: Akira Goto, Kunihito Sugimoto
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Publication number: 20170373225Abstract: A light emitting device includes a base member; a light emitting element mounted on the base member; a light-transmissive member that covers an upper surface of the light emitting element, and is substantially rectangular in a plan view; and a light reflecting member that covers a lateral surface of the light-transmissive member, the light reflecting member having a substantially rectangular frame shape in a plan view. A width of the light reflecting member is smaller along a short side of the light-transmissive member than along a long side of the light-transmissive member. A height of the light reflecting member is smaller along the short side of the light-transmissive member than along the long side of the light-transmissive member at a position separated from an outer edge of the light reflecting member by a predetermined distance.Type: ApplicationFiled: August 22, 2017Publication date: December 28, 2017Applicant: NICHIA CORPORATIONInventors: Satoshi SHICHIJO, Kunihito SUGIMOTO, Kenji OZEKI, Shogo ABE
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Publication number: 20170358724Abstract: A light emitting device includes a mounting board including: a base part, and one or more wiring structures, each of which includes one or more first wiring parts, and one or more second wiring parts, in that order, from a base part side, wherein, in a plan view, an area of each of the one or more second wiring parts is smaller than an area of each of the one or more first wiring parts; one or more light emitting elements bonded to the second wiring parts via bonding members; and a reflective member covering at least a portion of the bonding members and at least a portion of the one or more wiring structures. A reflectance of the one or more first wiring parts is higher than a reflectance of the bonding members. The one or more second wiring parts and the bonding members comprise the same material at their outermost surfaces.Type: ApplicationFiled: June 12, 2017Publication date: December 14, 2017Applicant: NICHIA CORPORATIONInventors: Satoshi SHICHIJO, Kunihito SUGIMOTO
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Patent number: 9780258Abstract: A light emitting device includes a base member; a light emitting element mounted on the base member; a light-transmissive member that covers an upper surface of the light emitting element, and is substantially rectangular in a plan view; and a light reflecting member that covers a lateral surface of the light-transmissive member, the light reflecting member having a substantially rectangular frame shape in a plan view. A width of the light reflecting member is smaller along a short side of the light-transmissive member than along a long side of the light-transmissive member. A height of the light reflecting member is smaller along the short side of the light-transmissive member than along the long side of the light-transmissive member at a position separated from an outer edge of the light reflecting member by a predetermined distance.Type: GrantFiled: July 21, 2016Date of Patent: October 3, 2017Assignee: NICHIA CORPORATIONInventors: Satoshi Shichijo, Kunihito Sugimoto, Kenji Ozeki, Shogo Abe
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Patent number: 9722156Abstract: A light-emitting device includes a light-emitting element; a first light transmissive member that is disposed over the light-emitting element and that includes a first upper surface, a lower surface, a first lateral surface; and a second lateral surface positioned outside the first lateral surface, a second light transmissive member that covers at least a part of the first lateral surface; and a light reflective member that is disposed on a lateral surface of the second light transmissive member, the second lateral surface of the first light transmissive member, and a lateral surface of the light-emitting element.Type: GrantFiled: August 18, 2016Date of Patent: August 1, 2017Assignee: NICHIA CORPORATIONInventors: Satoshi Shichijo, Kunihito Sugimoto, Kenji Ozeki
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Publication number: 20170154879Abstract: A method of manufacturing a light-emitting device incudes providing a supporting member having a recess; disposing a light-emitting element at a bottom surface of the recess; disposing a first light-reflecting resin at the bottom surface of the recess; disposing a second light-reflecting resin in the recess, a viscosity of the second light-reflecting resin being higher than a viscosity of the first light-reflecting resin; and curing the first light-reflecting resin and the second light-reflecting resin to form a light-reflecting wall.Type: ApplicationFiled: November 8, 2016Publication date: June 1, 2017Applicant: NICHIA CORPORATIONInventors: Kenji OZEKI, Takakazu KONO, Kunihito SUGIMOTO
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Publication number: 20170054064Abstract: A light-emitting device includes a light-emitting element; a first light transmissive member that is disposed over the light-emitting element and that includes a first upper surface, a lower surface, a first lateral surface; and a second lateral surface positioned outside the first lateral surface, a second light transmissive member that covers at least a part of the first lateral surface; and a light reflective member that is disposed on a lateral surface of the second light transmissive member, the second lateral surface of the first light transmissive member, and a lateral surface of the light-emitting element.Type: ApplicationFiled: August 18, 2016Publication date: February 23, 2017Inventors: Satoshi SHICHIJO, Kunihito SUGIMOTO, Kenji OZEKI
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Publication number: 20170025572Abstract: A light emitting device includes a base member; a light emitting element mounted on the base member; a light-transmissive member that covers an upper surface of the light emitting element, and is substantially rectangular in a plan view; and a light reflecting member that covers a lateral surface of the light-transmissive member, the light reflecting member having a substantially rectangular frame shape in a plan view. A width of the light reflecting member is smaller along a short side of the light-transmissive member than along a long side of the light-transmissive member. A height of the light reflecting member is smaller along the short side of the light-transmissive member than along the long side of the light-transmissive member at a position separated from an outer edge of the light reflecting member by a predetermined distance.Type: ApplicationFiled: July 21, 2016Publication date: January 26, 2017Applicant: NICHIA CORPORATIONInventors: Satoshi SHICHIJO, Kunihito SUGIMOTO, Kenji OZEKI, Shogo ABE