Patents by Inventor Itaru Oshiyama
Itaru Oshiyama 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: 12389699Abstract: The present technology relates to a solid-state imaging device and an electronic apparatus capable of improving sensitivity while suppressing deterioration of color mixing. The solid-state imaging device includes: a substrate; a first photoelectric conversion region that is provided in the substrate; a second photoelectric conversion region that is provided in the substrate; a trench that is provided between the first photoelectric conversion region and the second photoelectric conversion region and penetrates through the substrate; a first concave portion region that has a plurality of concave portions provided on a light receiving surface side of the substrate, above the first photoelectric conversion region; and a second concave portion region that has a plurality of concave portions provided on the light receiving surface side of the substrate, above the second photoelectric conversion region.Type: GrantFiled: October 26, 2022Date of Patent: August 12, 2025Assignee: SONY SEMICONDUCTOR SOLUTIONS CORPORATIONInventor: Itaru Oshiyama
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Patent number: 12356747Abstract: The present disclosure relates to an image capturing element, a manufacturing method, and an electronic device that make it possible to improve effects of reducing crosstalk. A trench part provided from a light-receiving surface side of a semiconductor substrate in which photoelectric conversion parts that photoelectrically convert emitted light are formed and between the plurality of photoelectric conversion parts; and a protrusion part provided with at least an inclined surface that is inclined with respect to a side surface of the trench part to widen a space of the trench part in one part of the trench part are provided. The present technology can be applied, for example, to backlit solid-state image capturing elements.Type: GrantFiled: October 23, 2019Date of Patent: July 8, 2025Assignee: Sony Semiconductor Solutions CorporationInventors: Hironori Hoshi, Atsushi Okuyama, Itaru Oshiyama
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Patent number: 12339475Abstract: A solid-state imaging apparatus includes a pixel array in which a plurality of pixels are two-dimensionally arranged, wherein each pixel has a first photoelectric conversion region formed above a semiconductor layer, a second photoelectric conversion region formed in the semiconductor layer, a first filter configured to transmit a light in a predetermined wavelength region corresponding to a color component, and a second filter having different transmission characteristics from the first filter.Type: GrantFiled: March 29, 2024Date of Patent: June 24, 2025Assignee: Sony Group CorporationInventors: Tetsuji Yamaguchi, Atsushi Toda, Itaru Oshiyama
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Patent number: 12255260Abstract: A first photodetector according to an embodiment of the present disclosure includes: a substrate having a first surface that serves as a light-receiving surface and a second surface opposed to the first surface, and including an uneven structure provided on the first surface and a light-receiving section that performs photoelectric conversion to generate electric charge corresponding to an amount of light reception for each pixel; a passivation film stacked on the first surface of the substrate; and a reflectance adjustment layer including a plurality of protrusions configuring the uneven structure and the passivation film embedded in a plurality of recesses configuring the uneven structure, and having a refractive index between the substrate and the passivation film.Type: GrantFiled: July 7, 2021Date of Patent: March 18, 2025Assignee: Sony Semiconductor Solutions CorporationInventors: Itaru Oshiyama, Yoshiki Ebiko
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Publication number: 20240347577Abstract: Groove portions are provided between adjacent photoelectric conversion portions, and sidewall surfaces and bottom surfaces of the groove portions are covered with a first fixed charge film, and open ends of the groove portions are closed by a second fixed charge film with voids inside of the groove portions.Type: ApplicationFiled: June 26, 2024Publication date: October 17, 2024Applicant: SONY SEMICONDUCTOR SOLUTIONS CORPORATIONInventors: Itaru OSHIYAMA, Shinichiro NOUDO, Yasufumi MIYOSHI
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Patent number: 12107112Abstract: Groove portions are provided between adjacent photoelectric conversion portions, and sidewall surfaces and bottom surfaces of the groove portions are covered with a first fixed charge film, and open ends of the groove portions are closed by a second fixed charge film with voids inside of the groove portions.Type: GrantFiled: August 20, 2019Date of Patent: October 1, 2024Assignee: Sony Semiconductor Solutions CorporationInventors: Itaru Oshiyama, Shinichiro Noudo, Yasufumi Miyoshi
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Publication number: 20240244855Abstract: A solid-state imaging apparatus includes a pixel array in which a plurality of pixels are two-dimensionally arranged, wherein each pixel has a first photoelectric conversion region formed above a semiconductor layer, a second photoelectric conversion region formed in the semiconductor layer, a first filter configured to transmit a light in a predetermined wavelength region corresponding to a color component, and a second filter having different transmission characteristics from the first filter.Type: ApplicationFiled: March 29, 2024Publication date: July 18, 2024Applicant: SONY GROUP CORPORATIONInventors: Tetsuji YAMAGUCHI, Atsushi TODA, Itaru OSHIYAMA
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Patent number: 12029054Abstract: A solid-state imaging apparatus includes a pixel array part in which a plurality of pixels are two-dimensionally arranged, in which each pixel has a first photoelectric conversion region formed above a semiconductor layer, a second photoelectric conversion region formed in the semiconductor layer, a first filter configured to transmit a light in a predetermined wavelength region corresponding to a color component, and a second filter having different transmission characteristics from the first filter, one photoelectric conversion region out of the first photoelectric conversion region and the second photoelectric conversion region photoelectrically converts a light in a visible light region, the other photoelectric conversion region photoelectrically converts a light in an infrared region, the first filter is formed above the first photoelectric conversion region, and the second filter has transmission characteristics of making wavelengths of lights in an infrared region absorbed in the other photoelectric coType: GrantFiled: April 19, 2023Date of Patent: July 2, 2024Assignee: Sony Group CorporationInventors: Tetsuji Yamaguchi, Atsushi Toda, Itaru Oshiyama
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Patent number: 12015039Abstract: The present technology relates to an image pickup device and an electronic apparatus that are configured to enhance characteristics. A solid-state image pickup device includes a photoelectric conversion section that is arranged on a semiconductor substrate and configured to photoelectrically convert an incident light, a moth-eye section that includes recesses and projections formed on a surface on a light incident side in the semiconductor substrate and has, when a cross section approximately parallel to a direction toward the photoelectric conversion section from the light incident side is viewed, a recessed portion protruding toward the side of the photoelectric conversion section, the recessed portion having a curvature or a polygonal shape, and a region that is arranged adjacent to and opposite to the photoelectric conversion section of the moth-eye section and has a refractive index different from a refractive index of the semiconductor substrate.Type: GrantFiled: July 7, 2021Date of Patent: June 18, 2024Assignee: Sony Group CorporationInventors: Satoe Miyata, Itaru Oshiyama
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Patent number: 11990492Abstract: The present technology relates to a solid state imaging sensor that is possible to suppress the reflection of incident light with a wide wavelength band. A reflectance adjusting layer is provided on the substrate in an incident direction of the incident light with respect to the substrate such as Si and configured to adjust reflection of the incident light on the substrate. The reflectance adjusting layer includes a first layer formed on the substrate and a second layer formed on the first layer. The first layer includes a concavo-convex structure provided on the substrate and a material which is filled into a concave portion of the concavo-convex structure and has a refractive index lower than that of the substrate, and the second layer includes a material having a refractive index lower than that of the first layer. It is possible to reduce the reflection on the substrate such as Si by using the principle of the interference of the thin film. Such a technology can be applied to solid state imaging sensors.Type: GrantFiled: December 22, 2022Date of Patent: May 21, 2024Assignee: Sony Group CorporationInventors: Itaru Oshiyama, Hiroshi Tanaka
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Publication number: 20240128293Abstract: There is provided an imaging device including: a semiconductor substrate including a photoelectric conversion section provided for each of pixels that are two-dimensionally arranged, in which the photoelectric conversion section performs photoelectric conversion on incident light; and an uneven structure provided on a light-receiving-side principal surface of the semiconductor substrate, in which the uneven structure includes a plurality of pillars arranged at a period shorter than a wavelength of light belonging to a visible light band.Type: ApplicationFiled: July 15, 2020Publication date: April 18, 2024Applicant: SONY SEMICONDUCTOR SOLUTIONS CORPORATIONInventors: Itaru OSHIYAMA, Ryo OGATA
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Publication number: 20240006438Abstract: There is provided an imaging device capable of reducing sensitivity unevenness of a pixel located near a boundary between a pixel section and an optical black section. An imaging device includes a semiconductor layer, a pixel section that is provided in the semiconductor layer and receives light from an object, an optical black section that is provided in the semiconductor layer and includes a light shielding film that shields light, a color filter provided on one surface side of the semiconductor layer, and a low refractive index material that is provided on one surface side of the semiconductor layer and has a refractive index lower than a refractive index of the color filter. The pixel section and the optical black section are adjacent to each other. The low refractive index material is disposed between filter components of the color filter in the pixel section, and is not disposed in the optical black section.Type: ApplicationFiled: November 9, 2021Publication date: January 4, 2024Applicant: SONY SEMICONDUCTOR SOLUTIONS CORPORATIONInventors: Itaru OSHIYAMA, Shigehiro IKEHARA
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Publication number: 20230335656Abstract: A first photodetector according to an embodiment of the present disclosure includes: a substrate having a first surface that serves as a light-receiving surface and a second surface opposed to the first surface, and including an uneven structure provided on the first surface and a light-receiving section that performs photoelectric conversion to generate electric charge corresponding to an amount of light reception for each pixel; a passivation film stacked on the first surface of the substrate; and a reflectance adjustment layer including a plurality of protrusions configuring the uneven structure and the passivation film embedded in a plurality of recesses configuring the uneven structure, and having a refractive index between the substrate and the passivation film.Type: ApplicationFiled: July 7, 2021Publication date: October 19, 2023Applicant: SONY SEMICONDUCTOR SOLUTIONS CORPORATIONInventors: Itaru OSHIYAMA, Yoshiki EBIKO
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Publication number: 20230292536Abstract: A solid-state imaging apparatus includes a pixel array part in which a plurality of pixels are two-dimensionally arranged, in which each pixel has a first photoelectric conversion region formed above a semiconductor layer, a second photoelectric conversion region formed in the semiconductor layer, a first filter configured to transmit a light in a predetermined wavelength region corresponding to a color component, and a second filter having different transmission characteristics from the first filter, one photoelectric conversion region out of the first photoelectric conversion region and the second photoelectric conversion region photoelectrically converts a light in a visible light region, the other photoelectric conversion region photoelectrically converts a light in an infrared region, the first filter is formed above the first photoelectric conversion region, and the second filter has transmission characteristics of making wavelengths of lights in an infrared region absorbed in the other photoelectric coType: ApplicationFiled: April 19, 2023Publication date: September 14, 2023Applicant: SONY GROUP CORPORATIONInventors: Tetsuji YAMAGUCHI, Atsushi TODA, Itaru OSHIYAMA
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Patent number: 11659724Abstract: A solid-state imaging apparatus includes a pixel array part in which a plurality of pixels are two-dimensionally arranged, in which each pixel has a first photoelectric conversion region formed above a semiconductor layer, a second photoelectric conversion region formed in the semiconductor layer, a first filter configured to transmit a light in a predetermined wavelength region corresponding to a color component, and a second filter having different transmission characteristics from the first filter, one photoelectric conversion region out of the first photoelectric conversion region and the second photoelectric conversion region photoelectrically converts a light in a visible light region, the other photoelectric conversion region photoelectrically converts a light in an infrared region, the first filter is formed above the first photoelectric conversion region, and the second filter has transmission characteristics of making wavelengths of lights in an infrared region absorbed in the other photoelectric coType: GrantFiled: December 29, 2021Date of Patent: May 23, 2023Assignee: SONY GROUP CORPORATIONInventors: Tetsuji Yamaguchi, Atsushi Toda, Itaru Oshiyama
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Publication number: 20230143614Abstract: The present technology relates to a solid-state imaging device and an electronic apparatus capable of improving sensitivity while suppressing deterioration of color mixing. The solid-state imaging device includes: a substrate; a first photoelectric conversion region that is provided in the substrate; a second photoelectric conversion region that is provided in the substrate; a trench that is provided between the first photoelectric conversion region and the second photoelectric conversion region and penetrates through the substrate; a first concave portion region that has a plurality of concave portions provided on a light receiving surface side of the substrate, above the first photoelectric conversion region; and a second concave portion region that has a plurality of concave portions provided on the light receiving surface side of the substrate, above the second photoelectric conversion region.Type: ApplicationFiled: October 26, 2022Publication date: May 11, 2023Inventor: ITARU OSHIYAMA
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Publication number: 20230126141Abstract: The present technology relates to a solid state imaging sensor that is possible to suppress the reflection of incident light with a wide wavelength band. A reflectance adjusting layer is provided on the substrate in an incident direction of the incident light with respect to the substrate such as Si and configured to adjust reflection of the incident light on the substrate. The reflectance adjusting layer includes a first layer formed on the substrate and a second layer formed on the first layer. The first layer includes a concavo-convex structure provided on the substrate and a material which is filled into a concave portion of the concavo-convex structure and has a refractive index lower than that of the substrate, and the second layer includes a material having a refractive index lower than that of the first layer. It is possible to reduce the reflection on the substrate such as Si by using the principle of the interference of the thin film. Such a technology can be applied to solid state imaging sensors.Type: ApplicationFiled: December 22, 2022Publication date: April 27, 2023Applicant: SONY GROUP CORPORATIONInventors: ITARU OSHIYAMA, HIROSHI TANAKA
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Patent number: 11557621Abstract: The present technology relates to a solid state imaging sensor that is possible to suppress the reflection of incident light with a wide wavelength band. A reflectance adjusting layer is provided on the substrate in an incident direction of the incident light with respect to the substrate such as Si and configured to adjust reflection of the incident light on the substrate. The reflectance adjusting layer includes a first layer formed on the substrate and a second layer formed on the first layer. The first layer includes a concavo-convex structure provided on the substrate and a material which is filled into a concave portion of the concavo-convex structure and has a refractive index lower than that of the substrate, and the second layer includes a material having a refractive index lower than that of the first layer. It is possible to reduce the reflection on the substrate such as Si by using the principle of the interference of the thin film. Such a technology can be applied to solid state imaging sensors.Type: GrantFiled: July 28, 2021Date of Patent: January 17, 2023Assignee: SONY GROUP CORPORATIONInventors: Itaru Oshiyama, Hiroshi Tanaka
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Patent number: 11508768Abstract: The present technology relates to a solid-state imaging device and an electronic apparatus capable of improving sensitivity while suppressing deterioration of color mixing. The solid-state imaging device includes a substrate, a first photoelectric conversion region in the substrate, a second photoelectric conversion region in the substrate, a trench between the first photoelectric conversion region and the second photoelectric conversion region and penetrates through the substrate, a first concave portion region that has a plurality of concave portions provided on a light receiving surface side of the substrate, above the first photoelectric conversion regions, and a second concave portion region that has a plurality of concave portions provided on the light receiving surface side of the substrate, above the second photoelectric conversion region. The technology of the present disclosure can be applied to, for example, a backside illumination solid-state imaging device and the like.Type: GrantFiled: December 28, 2018Date of Patent: November 22, 2022Assignee: SONY SEMICONDUCTOR SOLUTIONS CORPORATIONInventor: Itaru Oshiyama
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Publication number: 20220223642Abstract: The present disclosure relates to an image capturing element, a manufacturing method, and an electronic device that make it possible to improve effects of reducing crosstalk. A trench part provided from a light-receiving surface side of a semiconductor substrate in which photoelectric conversion parts that photoelectrically convert emitted light are formed and between the plurality of photoelectric conversion parts; and a protrusion part provided with at least an inclined surface that is inclined with respect to a side surface of the trench part to widen a space of the trench part in one part of the trench part are provided. The present technology can be applied, for example, to backlit solid-state image capturing elements.Type: ApplicationFiled: October 23, 2019Publication date: July 14, 2022Inventors: Hironori HOSHI, Atsushi OKUYAMA, Itaru OSHIYAMA