Patents by Inventor Saiki Yamamoto
Saiki Yamamoto 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: 11942582Abstract: A light-emitting module including a substrate, a light-emitting device disposed on the substrate, a lens, and an optical sensor. The light-emitting device includes at least one light-emitting element and a light-transmissive member disposed on a light extraction surface of the at least one light-emitting element. The lens is disposed apart from the light-emitting device at a position where the lens faces the light-emitting device. The optical sensor has an upper surface including a light-receiving surface to receive light through the lens and is disposed on the substrate at a position where at least a part of the light-receiving surface faces the lens. A center of the light-emitting device is located at a center of the lens in a plan view.Type: GrantFiled: November 30, 2022Date of Patent: March 26, 2024Assignee: NICHIA CORPORATIONInventors: Saiki Yamamoto, Shinya Matsuoka
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Publication number: 20230094131Abstract: A light-emitting module including a substrate, a light-emitting device disposed on the substrate, a lens, and an optical sensor. The light-emitting device includes at least one light-emitting element and a light-transmissive member disposed on a light extraction surface of the at least one light-emitting element. The lens is disposed apart from the light-emitting device at a position where the lens faces the light-emitting device. The optical sensor has an upper surface including a light-receiving surface to receive light through the lens and is disposed on the substrate at a position where at least a part of the light-receiving surface faces the lens. A center of the light-emitting device is located at a center of the lens in a plan view.Type: ApplicationFiled: November 30, 2022Publication date: March 30, 2023Applicant: NICHIA CORPORATIONInventors: Saiki YAMAMOTO, Shinya MATSUOKA
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Patent number: 11545603Abstract: A light-emitting module includes a substrate, at least one light-emitting element disposed on the substrate, at least one electronic component disposed on the substrate, a lens disposed apart from the at least one light-emitting element and the at least one electronic component to face the at least one light-emitting element and the at least one electronic component, and at least one plate-shaped covering member each disposed between the lens and a corresponding one of the at least one electronic component. The at least one covering member contains a coloring agent.Type: GrantFiled: April 9, 2020Date of Patent: January 3, 2023Assignee: NICHIA CORPORATIONInventors: Saiki Yamamoto, Shinya Matsuoka
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Patent number: 11398460Abstract: The light-emitting device includes a first light-emitting element having an emission peak wavelength of 430 nm or more and less than 490 nm, a second light-emitting element having an emission peak wavelength of 490 nm or more and 570 nm or less, a support body at which the first light-emitting element and the second light-emitting element are disposed, and a light-transmissive member containing a red phosphor and covering the first light-emitting element and the second light-emitting element. A content density of the red phosphor in the light-transmissive member in a space between the first and second light-emitting elements is higher in a part below an upper surface of the second light-emitting element than in a part above the upper surface thereof.Type: GrantFiled: March 3, 2021Date of Patent: July 26, 2022Assignee: NICHIA CORPORATIONInventors: Atsushi Yamamoto, Keiko Ono, Saiki Yamamoto, Tomokazu Maruyama, Takeshi Morikawa, Seitaro Akagawa
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Publication number: 20210183831Abstract: The light-emitting device includes a first light-emitting element having an emission peak wavelength of 430 nm or more and less than 490 nm, a second light-emitting element having an emission peak wavelength of 490 nm or more and 570 nm or less, a support body at which the first light-emitting element and the second light-emitting element are disposed, and a light-transmissive member containing a red phosphor and covering the first light-emitting element and the second light-emitting element. A content density of the red phosphor in the light-transmissive member in a space between the first and second light-emitting elements is higher in a part below an upper surface of the second light-emitting element than in a part above the upper surface thereof.Type: ApplicationFiled: March 3, 2021Publication date: June 17, 2021Applicant: NICHIA CORPORATIONInventors: Atsushi YAMAMOTO, Keiko ONO, Saiki YAMAMOTO, Tomokazu MARUYAMA, Takeshi MORIKAWA, Seitaro AKAGAWA
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Patent number: 10971481Abstract: The light-emitting device includes a first light-emitting element having an emission peak wavelength of 430 nm or more and less than 490 nm, a second light-emitting element having an emission peak wavelength of 490 nm or more and 570 nm or less, a support body at which the first light-emitting element and the second light-emitting element are disposed, and a light-transmissive member containing a red phosphor and covering the first light-emitting element and the second light-emitting element. A content density of the red phosphor in the light-transmissive member in a space between the first and second light-emitting elements is higher in a part below an upper surface of the second light-emitting element than in a part above the upper surface thereof.Type: GrantFiled: November 20, 2019Date of Patent: April 6, 2021Assignee: NICHIA CORPORATIONInventors: Atsushi Yamamoto, Keiko Ono, Saiki Yamamoto, Tomokazu Maruyama, Takeshi Morikawa, Seitaro Akagawa
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Publication number: 20200343422Abstract: A light-emitting module includes a substrate, at least one light-emitting element disposed on the substrate, at least one electronic component disposed on the substrate, a lens disposed apart from the at least one light-emitting element and the at least one electronic component to face the at least one light-emitting element and the at least one electronic component, and at least one plate-shaped covering member each disposed between the lens and a corresponding one of the at least one electronic component. The at least one covering member contains a coloring agent.Type: ApplicationFiled: April 9, 2020Publication date: October 29, 2020Applicant: NICHIA CORPORATIONInventors: Saiki YAMAMOTO, Shinya MATSUOKA
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Publication number: 20200091121Abstract: The light-emitting device includes a first light-emitting element having an emission peak wavelength of 430 nm or more and less than 490 nm, a second light-emitting element having an emission peak wavelength of 490 nm or more and 570 nm or less, a support body at which the first light-emitting element and the second light-emitting element are disposed, and a light-transmissive member containing a red phosphor and covering the first light-emitting element and the second light-emitting element. A content density of the red phosphor in the light-transmissive member in a space between the first and second light-emitting elements is higher in a part below an upper surface of the second light-emitting element than in a part above the upper surface thereof.Type: ApplicationFiled: November 20, 2019Publication date: March 19, 2020Applicant: NICHIA CORPORATIONInventors: Atsushi YAMAMOTO, Keiko ONO, Saiki YAMAMOTO, Tomokazu MARUYAMA, Takeshi MORIKAWA, Seitaro AKAGAWA
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Patent number: 10529695Abstract: The light-emitting device includes a first light-emitting element having an emission peak wavelength of 430 nm or more and less than 490 nm, a second light-emitting element having an emission peak wavelength of 490 nm or more and 570 nm or less, a support body at which the first light-emitting element and the second light-emitting element are disposed, and a light-transmissive member containing a red phosphor and covering the first light-emitting element and the second light-emitting element. A content density of the red phosphor in the light-transmissive member in a space between the first and second light-emitting elements is higher in a part below an upper surface of the second light-emitting element than in a part above the upper surface thereof.Type: GrantFiled: August 1, 2016Date of Patent: January 7, 2020Assignee: NICHIA CORPORATIONInventors: Atsushi Yamamoto, Keiko Ono, Saiki Yamamoto, Tomokazu Maruyama, Takeshi Morikawa, Seitaro Akagawa
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Patent number: 10475977Abstract: A light emitting device includes an element container and a light emitting element. The element container has a first electrode lead, a second electrode lead, and a resin molded body integrated with the first electrode lead and the second electrode lead and includes an indentation at an outer surface, a wire covered with the resin molded body and extending from the first electrode lead to the indentation. The light emitting element is housed in the element container and electrically connected to the first electrode lead and the second electrode lead.Type: GrantFiled: October 31, 2018Date of Patent: November 12, 2019Assignee: NICHIA CORPORATIONInventors: Motohisa Nogi, Saiki Yamamoto
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Publication number: 20190074420Abstract: A light emitting device includes an element container and a light emitting element. The element container has a first electrode lead, a second electrode lead, and a resin molded body integrated with the first electrode lead and the second electrode lead and includes an indentation at an outer surface, a wire covered with the resin molded body and extending from the first electrode lead to the indentation. The light emitting element is housed in the element container and electrically connected to the first electrode lead and the second electrode lead.Type: ApplicationFiled: October 31, 2018Publication date: March 7, 2019Applicant: NICHIA CORPORATIONInventors: Motohisa NOGI, Saiki YAMAMOTO
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Patent number: 10147856Abstract: A composite substrate includes a plate-like lead frame having a plurality of supporting leads and a plurality of element containers supported by the supporting leads. The plurality of element containers each has a first electrode lead, a second electrode lead, and a resin molded body integrated with the first electrode lead and the second electrode lead, and within the resin molded body, the first electrode lead, the second electrode lead, and the supporting lead are held spaced apart from one another. At least one of the plurality of element containers has a wire that connects the first electrode lead and the supporting lead and is covered with the resin molded body.Type: GrantFiled: November 18, 2015Date of Patent: December 4, 2018Assignee: NICHIA CORPORATIONInventors: Motohisa Nogi, Saiki Yamamoto
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Patent number: 9698328Abstract: A light emitting device includes an electrically conductive member, a light emitting element, a wire, and a sealing member. The wire contains gold and silver and connects the electrically conductive member and the light emitting element. The wire includes a ball portion and a recrystallized region. The ball portion is provided on an electrode of the light emitting element. The recrystallized region is provided on the ball portion and has a length in a range of 50 ?m to 90 ?m. The sealing member has a lower surface and an upper surface opposite to the lower surface and covers the light emitting element and the wire so that the lower surface faces the electrically conductive member and the light emitting element and so that a distance from a top of the ball portion to the upper surface of the sealing member is 90 ?m to 230 ?m.Type: GrantFiled: October 30, 2015Date of Patent: July 4, 2017Assignee: NICHIA CORPORATIONInventors: Takanori Akaishi, Kensaku Hamada, Saiki Yamamoto
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Publication number: 20170040301Abstract: The light-emitting device includes a first light-emitting element having an emission peak wavelength of 430 nm or more and less than 490 nm, a second light-emitting element having an emission peak wavelength of 490 nm or more and 570 nm or less, a support body at which the first light-emitting element and the second light-emitting element are disposed, and a light-transmissive member containing a red phosphor and covering the first light-emitting element and the second light-emitting element. A content density of the red phosphor in the light-transmissive member in a space between the first and second light-emitting elements is higher in a part below an upper surface of the second light-emitting element than in a part above the upper surface thereof.Type: ApplicationFiled: August 1, 2016Publication date: February 9, 2017Applicant: NICHIA CORPORATIONInventors: Atsushi YAMAMOTO, Keiko ONO, Saiki YAMAMOTO, Tomokazu MARUYAMA, Takeshi MORIKAWA, Seitaro AKAGAWA
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Publication number: 20160141475Abstract: A composite substrate includes a plate-like lead frame having a plurality of supporting leads and a plurality of element containers supported by the supporting leads. The plurality of element containers each has a first electrode lead, a second electrode lead, and a resin molded body integrated with the first electrode lead and the second electrode lead, and within the resin molded body, the first electrode lead, the second electrode lead, and the supporting lead are held spaced apart from one another. At least one of the plurality of element containers has a wire that connects the first electrode lead and the supporting lead and is covered with the resin molded body.Type: ApplicationFiled: November 18, 2015Publication date: May 19, 2016Applicant: NICHIA CORPORATIONInventors: Motohisa NOGI, Saiki YAMAMOTO
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Publication number: 20160126435Abstract: A light emitting device includes an electrically conductive member, a light emitting element, a wire, and a sealing member. The wire contains gold and silver and connects the electrically conductive member and the light emitting element. The wire includes a ball portion and a recrystallized region. The ball portion is provided on an electrode of the light emitting element. The recrystallized region is provided on the ball portion and has a length in a range of 50 ?m to 90 ?m. The sealing member has a lower surface and an upper surface opposite to the lower surface and covers the light emitting element and the wire so that the lower surface faces the electrically conductive member and the light emitting element and so that a distance from a top of the ball portion to the upper surface of the sealing member is 90 ?m to 230 ?m.Type: ApplicationFiled: October 30, 2015Publication date: May 5, 2016Applicant: NICHIA CORPORATIONInventors: Takanori AKAISHI, Kensaku HAMADA, Saiki YAMAMOTO
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Patent number: 9213199Abstract: Provided is a liquid crystal display device which exhibits power saving property and high display quality and is capable of suppressing the time-dependent degradation in display quality. The above problem is solved by providing a liquid crystal display device comprising a liquid crystal cell unit including a color filter having a transparent substrate and a plurality of coloring layers formed on the transparent substrate, a counter substrate and a liquid crystal layer formed between the color filter and the counter substrate and a backlight unit including a light emitting device having a blue light emitting element, and a red fluorescent substance and a green fluorescent substance, and the plurality of coloring layers has a blue coloring layer containing a color material of a specific triarylmethane-based compound and the red fluorescent substance is a surface-treated M12[M21-xMn4+xF6] (for example, M1 represents K+ and M2 represents Si).Type: GrantFiled: March 17, 2015Date of Patent: December 15, 2015Assignees: DAI NIPPON PRINTING CO., LTD., NICHIA CORPORATIONInventors: Kazuyuki Hino, Seiji Tawaraya, Atsushi Yamamoto, Tomokazu Yoshida, Saiki Yamamoto
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Publication number: 20150268492Abstract: Provided is a liquid crystal display device which exhibits power saving property and high display quality and is capable of suppressing the time-dependent degradation in display quality. The above problem is solved by providing a liquid crystal display device comprising a liquid crystal cell unit including a color filter having a transparent substrate and a plurality of coloring layers formed on the transparent substrate, a counter substrate and a liquid crystal layer formed between the color filter and the counter substrate and a backlight unit including a light emitting device having a blue light emitting element, and a red fluorescent substance and a green fluorescent substance, and the plurality of coloring layers has a blue coloring layer containing a color material of a specific triarylmethane-based compound and the red fluorescent substance is a surface-treated M12[M21-xMn4+xF6] (for example, M1 represents K+ and M2 represents Si).Type: ApplicationFiled: March 17, 2015Publication date: September 24, 2015Inventors: Kazuyuki HINO, Seiji TAWARAYA, Atsushi YAMAMOTO, Tomokazu YOSHIDA, Saiki YAMAMOTO
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Patent number: 8847272Abstract: A light emitting device includes a package equipped on a front face with a window for installing a light emitting element, and outer lead electrodes. The package has a back face opposed to the front face and a bottom face that is located between the back face and the front face. The bottom face is adjacent to the front face. The outer lead electrodes protrude from the bottom face of the package. An end of each of the outer lead electrodes branches in at least two distal end parts on the bottom face. One of the distal end parts of each of the outer lead electrodes extends toward one of side faces of the package and is bent along the side face, and other one of the distal end parts of each of the outer lead electrodes extends toward the back face of the package.Type: GrantFiled: November 12, 2013Date of Patent: September 30, 2014Assignee: Nichia CorporationInventor: Saiki Yamamoto
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Patent number: 8803182Abstract: To provide a light emitting device that is compact and has high efficiency of extracting light comprising a support body that incorporates a light emitting element. The light emitting device has the protective element 106 mounted on the electrically conductive member 103a and the base 105 mounted on the electrically conductive member 103a, while at least part of the protective element 106 is covered with the base 105, and the light emitting element 104 is mounted on the top surface of the base 105.Type: GrantFiled: February 23, 2010Date of Patent: August 12, 2014Assignee: Nichia CorporationInventor: Saiki Yamamoto