Patents by Inventor Yuki Tanuma
Yuki Tanuma 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: 11799266Abstract: A semiconductor light-emitting device, includes: a semiconductor light-emitting element; a support including a base and a conductive part and configured to support the semiconductor light-emitting element; and a cover configured to overlap the semiconductor light-emitting element as viewed in a first direction, and to transmit light from the semiconductor light-emitting element, wherein the cover includes a base layer having a front surface and a rear surface which transmit the light from the semiconductor light-emitting element and face opposite sides to each other in the first direction, wherein the rear surface faces the semiconductor light-emitting element, wherein the base layer includes a plurality of undulation parts bonded to the support by a bonding material, and wherein the undulation parts are more uneven than the rear surface.Type: GrantFiled: November 4, 2019Date of Patent: October 24, 2023Assignee: ROHM CO., LTD.Inventor: Yuki Tanuma
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Publication number: 20220190556Abstract: A semiconductor light emitting device includes a substrate, a common conductive portion formed on the substrate, a semiconductor light emitting element mounted on the common conductive portion, and an electronic component mounted on the common conductive portion and electrically connected to the semiconductor light emitting element by the common conductive portion. This structure shortens the conductive path between the semiconductor light emitting element and the electronic component, thereby reducing capacitance caused by the conductive path between the semiconductor light emitting element and the electronic component. Thus, while reducing parasitic capacitance, the semiconductor light emitting element and the electronic component are electrically connected.Type: ApplicationFiled: April 17, 2020Publication date: June 16, 2022Inventors: Satohiro KIGOSHI, Yuki TANUMA, Gen MUTO, Minoru MURAYAMA, Okimoto KONDO, Chikoto IKEDA, Yusuke NAKAKOHARA
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Publication number: 20200144784Abstract: A semiconductor light-emitting device, includes: a semiconductor light-emitting element; a support including a base and a conductive part and configured to support the semiconductor light-emitting element; and a cover configured to overlap the semiconductor light-emitting element as viewed in a first direction, and to transmit light from the semiconductor light-emitting element, wherein the cover includes a base layer having a front surface and a rear surface which transmit the light from the semiconductor light-emitting element and face opposite sides to each other in the first direction, wherein the rear surface faces the semiconductor light-emitting element, wherein the base layer includes a plurality of undulation parts bonded to the support by a bonding material, and wherein the undulation parts are more uneven than the rear surface.Type: ApplicationFiled: November 4, 2019Publication date: May 7, 2020Applicant: ROHM CO., LTD.Inventor: Yuki TANUMA
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Patent number: 10593823Abstract: An optical device includes a light-emitting unit and a light-receiving unit. The light-emitting unit emits light forward in a first direction. The light-emitting unit has a light-emitting-side through hole that causes light traveling backward in the first direction to pass through. The light-receiving unit is arranged backward in the first direction relative to the light-emitting unit. The light-receiving unit has a light receiver that receives light after the light has passed through the light-emitting-side through hole.Type: GrantFiled: December 13, 2016Date of Patent: March 17, 2020Assignee: ROHM CO., LTD.Inventors: Hideyuki Utsumi, Yuki Tanuma
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Publication number: 20180358503Abstract: An optical device includes a light-emitting unit and a light-receiving unit. The light-emitting unit emits light forward in a first direction. The light-emitting unit has a light-emitting-side through hole that causes light traveling backward in the first direction to pass through. The light-receiving unit is arranged backward in the first direction relative to the light-emitting unit. The light-receiving unit has a light receiver that receives light after the light has passed through the light-emitting-side through hole.Type: ApplicationFiled: December 13, 2016Publication date: December 13, 2018Inventors: Hideyuki UTSUMI, Yuki TANUMA
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Patent number: 10090448Abstract: A light-emitting module is provided with a light-emitting element, a base, and a wiring pattern. The base includes an installation surface facing in a first direction and a mounting surface facing in a second direction which is at right angles to the first direction. The light-emitting element is installed on the installation surface. The wiring pattern is formed on the base and is in electrical contact with the light-emitting element. The base includes a pair of mounting recesses recessed from the mounting surface and spaced from each other in a third direction which is at right angles to both the first direction and the second direction. The wiring pattern includes a pair of mounting-surface electrodes respectively covering at least a part of the pair of mounting recesses.Type: GrantFiled: February 4, 2015Date of Patent: October 2, 2018Assignee: ROHM CO., LTD.Inventors: Yuki Tanuma, Satoshi Uchida, Norio Yoshizawa, Hiroaki Watanabe, Takeyuki Adachi
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Patent number: 10084117Abstract: A light emitting device includes a light emitting element, a wire connected to the light emitting element, and a substrate supporting the light emitting element. The substrate is formed with a first recess and a second recess that are open in a common surface of the substrate. The first recess includes a first bottom surface and a first side surface connected to the first bottom surface, and the light emitting element is disposed on the first bottom surface. The second recess includes a second bottom surface and a second side surface connected to the second bottom surface, and the wire is bonded to the second bottom surface. Both of the first side surface and the second side surface reach the common surface. The first side surface is connected to both of the second bottom surface and the second side surface. The opening area of the first recess is larger than the opening area of the second recess.Type: GrantFiled: September 26, 2016Date of Patent: September 25, 2018Assignee: ROHM CO., LTD.Inventors: Yuki Tanuma, Tomoharu Horio
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Patent number: 9954143Abstract: The present invention provides a light emitting device which is capable of enhancing the radiant intensity on a single direction. The light emitting device comprises a substrate, a lens bonded to the substrate, and an LED chip bonded to the substrate and exposed in a gap clipped between the substrate and the lens, wherein the lens has a light output surface which bulges in a direction that is defined from the substrate toward the LED chip and is contained in a thickness direction of the substrate to transmit the light emitted from the LED chip.Type: GrantFiled: October 27, 2015Date of Patent: April 24, 2018Assignee: ROHM CO., LTD.Inventor: Yuki Tanuma
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Publication number: 20170012178Abstract: A light emitting device includes a light emitting element, a wire connected to the light emitting element, and a substrate supporting the light emitting element. The substrate is formed with a first recess and a second recess that are open in a common surface of the substrate. The first recess includes a first bottom surface and a first side surface connected to the first bottom surface, and the light emitting element is disposed on the first bottom surface. The second recess includes a second bottom surface and a second side surface connected to the second bottom surface, and the wire is bonded to the second bottom surface. Both of the first side surface and the second side surface reach the common surface. The first side surface is connected to both of the second bottom surface and the second side surface. The opening area of the first recess is larger than the opening area of the second recess.Type: ApplicationFiled: September 26, 2016Publication date: January 12, 2017Inventors: Yuki TANUMA, Tomoharu HORIO
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Patent number: 9510442Abstract: An LED light source unit for a backlight of a liquid crystal display is provided. The light source unit includes a plurality of LED chips, an insulating substrate, and a metal film covering a principal surface of the substrate. The LED chips are mounted on the metal film. With this arrangement, brightness of the light source unit is enhanced.Type: GrantFiled: August 25, 2011Date of Patent: November 29, 2016Assignee: ROHM CO., LTD.Inventors: Yuki Tanuma, Tomoharu Horio, Tadatoshi Miwa, Hiroyuki Tajiri, Takumi Yamade
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Patent number: 9458982Abstract: A light emitting device includes a light emitting element, a wire, and a substrate. The substrate is formed with a first recess and a second recess that are open in a common surface of the substrate. The first recess includes a first bottom surface and a first side surface connected to the first bottom surface. The light emitting element is disposed on the first bottom surface. The second recess includes a second bottom surface and a second side surface connected to the second bottom surface. The wire is bonded to the second bottom surface. Both of the first side surface and the second side surface reach the common surface. The first side surface is connected to both of the second bottom surface and the second side surface. The opening area of the first recess is larger than the opening area of the second recess.Type: GrantFiled: September 15, 2014Date of Patent: October 4, 2016Assignee: ROHM CO., LTD.Inventors: Yuki Tanuma, Tomoharu Horio
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Patent number: 9435931Abstract: An LED lighting apparatus of the invention includes a substrate having a length in a first direction and a width in a second direction. LED chips are supported on the substrate along the first direction. A light guide, having a thickness in the second direction, includes an incident surface, a reflective surface and an emitting surface. The incident surface faces in a third direction perpendicular to the first and second directions for receiving light emitted from the LED chips. The reflective surface spreads in the first and third directions and reflects light from the incident surface in the second direction. The emitting surface spreads in the first and third directions and allows light from the reflective surface to exit. The substrate is supported by a case that includes side plates around the light guide and a bottom plate connecting the side plates.Type: GrantFiled: July 9, 2013Date of Patent: September 6, 2016Assignee: ROHM CO., LTD.Inventor: Yuki Tanuma
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Publication number: 20160064619Abstract: The present invention provides a light emitting device which is capable of enhancing the radiant intensity on a single direction. The light emitting device comprises a substrate, a lens bonded to the substrate, and an LED chip bonded to the substrate and exposed in a gap clipped between the substrate and the lens, wherein the lens has a light output surface which bulges in a direction that is defined from the substrate toward the LED chip and is contained in a thickness direction of the substrate to transmit the light emitted from the LED chip.Type: ApplicationFiled: October 27, 2015Publication date: March 3, 2016Inventor: Yuki Tanuma
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Patent number: 9202989Abstract: A light emitting device is capable of enhancing the radiant intensity on a single direction. The light emitting device includes a substrate and an LED chip bonded to the substrate, wherein the substrate has a first cavity formed thereon having a first bottom surface for disposing the LED chip and a first lateral connecting to the first bottom surface, and the substrate has a second cavity formed thereon having a second bottom surface for bonding the metal wire and a second lateral connecting to the second bottom surface; and the first lateral has a notch formed thereon, which connects to the second bottom surface and the second lateral, and an area of the second bottom surface of the second cavity is smaller than that of the first bottom surface of the first cavity.Type: GrantFiled: September 2, 2014Date of Patent: December 1, 2015Assignee: ROHM CO., LTD.Inventor: Yuki Tanuma
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Publication number: 20150226409Abstract: A light-emitting module is provided with a light-emitting element, a base, and a wiring pattern. The base includes an installation surface facing in a first direction and a mounting surface facing in a second direction which is at right angles to the first direction. The light-emitting element is installed on the installation surface. The wiring pattern is formed on the base and is in electrical contact with the light-emitting element. The base includes a pair of mounting recesses recessed from the mounting surface and spaced from each other in a third direction which is at right angles to both the first direction and the second direction. The wiring pattern includes a pair of mounting-surface electrodes respectively covering at least a part of the pair of mounting recesses.Type: ApplicationFiled: February 4, 2015Publication date: August 13, 2015Inventors: Yuki TANUMA, Satoshi UCHIDA, Norio YOSHIZAWA, Hiroaki WATANABE, Takeyuki ADACHI
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Publication number: 20150003077Abstract: A light emitting device includes a light emitting element, a wire connected to the light emitting element, and a substrate supporting the light emitting element. The substrate is formed with a first recess and a second recess that are open in a common surface of the substrate. The first recess includes a first bottom surface and a first side surface connected to the first bottom surface, and the light emitting element is disposed on the first bottom surface. The second recess includes a second bottom surface and a second side surface connected to the second bottom surface, and the wire is bonded to the second bottom surface. Both of the first side surface and the second side surface reach the common surface. The first side surface is connected to both of the second bottom surface and the second side surface. The opening area of the first recess is larger than the opening area of the second recess.Type: ApplicationFiled: September 15, 2014Publication date: January 1, 2015Inventors: Yuki TANUMA, Tomoharu HORIO
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Publication number: 20140374777Abstract: A light emitting device is capable of enhancing the radiant intensity on a single direction. The light emitting device includes a substrate and an LED chip bonded to the substrate, wherein the substrate has a first cavity formed thereon having a first bottom surface for disposing the LED chip and a first lateral connecting to the first bottom surface, and the substrate has a second cavity formed thereon having a second bottom surface for bonding the metal wire and a second lateral connecting to the second bottom surface; and the first lateral has a notch formed thereon, which connects to the second bottom surface and the second lateral, and an area of the second bottom surface of the second cavity is smaller than that of the first bottom surface of the first cavity.Type: ApplicationFiled: September 2, 2014Publication date: December 25, 2014Inventor: Yuki Tanuma
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Patent number: 8860064Abstract: A light emitting device includes a light emitting element, a wire connected to the light emitting element, and a substrate supporting the light emitting element. The substrate is formed with a first recess and a second recess that are open in a common surface of the substrate. The first recess includes a first bottom surface and a first side surface connected to the first bottom surface, and the light emitting element is disposed on the first bottom surface. The second recess includes a second bottom surface and a second side surface connected to the second bottom surface, and the wire is bonded to the second bottom surface. Both of the first side surface and the second side surface reach the common surface. The first side surface is connected to both of the second bottom surface and the second side surface. The opening area of the first recess is larger than the opening area of the second recess.Type: GrantFiled: March 28, 2013Date of Patent: October 14, 2014Assignee: Rohm Co., Ltd.Inventors: Yuki Tanuma, Tomoharu Horio
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Patent number: 8853725Abstract: The present invention provides a light emitting device which is capable of enhancing the radiant intensity on a single direction. The light emitting device comprises a substrate, a lens bonded to the substrate, and an LED chip bonded to the substrate and exposed in a gap clipped between the substrate and the lens, wherein the lens has a light output surface which bulges in a direction that is defined from the substrate toward the LED chip and is contained in a thickness direction of the substrate to transmit the light emitted from the LED chip.Type: GrantFiled: November 18, 2011Date of Patent: October 7, 2014Assignee: Rohm Co., Ltd.Inventor: Yuki Tanuma
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Publication number: 20140022815Abstract: An LED lighting apparatus of the invention includes a substrate having a length in a first direction and a width in a second direction. LED chips are supported on the substrate along the first direction. A light guide, having a thickness in the second direction, includes an incident surface, a reflective surface and an emitting surface. The incident surface faces in a third direction perpendicular to the first and second directions for receiving light emitted from the LED chips. The reflective surface spreads in the first and third directions and reflects light from the incident surface in the second direction. The emitting surface spreads in the first and third directions and allows light from the reflective surface to exit. The substrate is supported by a case that includes side plates around the light guide and a bottom plate connecting the side plates.Type: ApplicationFiled: July 9, 2013Publication date: January 23, 2014Inventor: Yuki TANUMA