Patents by Inventor Gen Yonezawa
Gen Yonezawa 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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Publication number: 20240085775Abstract: An illumination device includes: a plurality of light source assemblies; and a plate-shaped optical unit on which light source light beams from the plurality of light source assemblies are incident from mutually different directions, and the plate-shaped optical unit is sectioned into a reflection surface and a transmission surface in accordance with an incident light intensity distribution of each of the light source light beams. Then, transmitted light having passed through the plate-shaped optical unit among the light source light beams and reflected light having been reflected by the plate-shaped optical unit among the light source light beams are emitted with directions aligned, and a boundary between the transmission surface and the reflection surface in the plate-shaped optical unit is formed at a position where incident light intensities of the light source light beams individually from the plurality of light source assemblies have substantially equal values to each other.Type: ApplicationFiled: November 17, 2023Publication date: March 14, 2024Applicant: SONY GROUP CORPORATIONInventors: Shingo OHKAWA, Gen YONEZAWA
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Patent number: 11921312Abstract: There are provided a light emitting unit that enhances the uniformity of in-plane colors, as well as a display and a lighting apparatus that include such a light emitting unit thereon. The light emitting unit includes: a plurality of light emitting sections each having a light source and a wavelength conversion member, the wavelength conversion member converting a wavelength of light emitted from the light source; an optical component having a light incident surface in opposition to the plurality of light emitting sections; and a color unevenness prevention structure suppressing direct entering of light from the light source into the optical component.Type: GrantFiled: July 7, 2021Date of Patent: March 5, 2024Assignee: SATURN LICENSING LLCInventors: Shingo Ohkawa, Tomoharu Nakamura, Gen Yonezawa
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Patent number: 11865829Abstract: There is provided a functional element that includes a first substrate, a second substrate disposed to face the first substrate, and a buffer layer provided between the first substrate and the second substrate. The buffer layer has, in a layer thereof, a distribution of concentration of a metallic element. The distribution changes in a film thickness direction.Type: GrantFiled: December 26, 2018Date of Patent: January 9, 2024Assignees: SONY CORPORATION, TOHOKU UNIVERSITYInventors: Yoshihisa Sato, Gen Yonezawa, Shohei Abe, Yuichi Takahashi, Takehito Shimatsu, Miyuki Uomoto
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Patent number: 11829060Abstract: An illumination device includes: a plurality of light source assemblies; and a plate-shaped optical unit on which light source light beams from the plurality of light source assemblies are incident from mutually different directions, and the plate-shaped optical unit is sectioned into a reflection surface and a transmission surface in accordance with an incident light intensity distribution of each of the light source light beams. Then, transmitted light having passed through the plate-shaped optical unit among the light source light beams and reflected light having been reflected by the plate-shaped optical unit among the light source light beams are emitted with directions aligned, and a boundary between the transmission surface and the reflection surface in the plate-shaped optical unit is formed at a position where incident light intensities of the light source light beams individually from the plurality of light source assemblies have substantially equal values to each other.Type: GrantFiled: September 18, 2020Date of Patent: November 28, 2023Assignee: SONY GROUP CORPORATIONInventors: Shingo Ohkawa, Gen Yonezawa
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Publication number: 20220382138Abstract: An illumination device includes: a plurality of light source assemblies; and a plate-shaped optical unit on which light source light beams from the plurality of light source assemblies are incident from mutually different directions, and the plate-shaped optical unit is sectioned into a reflection surface and a transmission surface in accordance with an incident light intensity distribution of each of the light source light beams. Then, transmitted light having passed through the plate-shaped optical unit among the light source light beams and reflected light having been reflected by the plate-shaped optical unit among the light source light beams are emitted with directions aligned, and a boundary between the transmission surface and the reflection surface in the plate-shaped optical unit is formed at a position where incident light intensities of the light source light beams individually from the plurality of light source assemblies have substantially equal values to each other.Type: ApplicationFiled: September 18, 2020Publication date: December 1, 2022Applicant: SONY GROUP CORPORATIONInventors: Shingo OHKAWA, Gen YONEZAWA
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Publication number: 20220078381Abstract: An object of the present technology is to provide a technology for processing light that reaches a light shielding plate that defines a reachable range of light to a panel unit. The present technology provides a spatial light modulation module including: a panel unit that forms image display light; and a light shielding plate that defines an illumination light reachable range of the panel unit, in which at least a part of an illumination light reachable surface of the light shielding plate is inclined with respect to a reflection surface of the panel unit. It is preferable that at least a part of the illumination light reachable surface reflects the illumination light. Furthermore, the present technology also provides a spatial light modulation element and a light shielding plate included in the module. Furthermore, the present technology also provides a projection type display device including the module.Type: ApplicationFiled: December 7, 2019Publication date: March 10, 2022Inventors: GEN YONEZAWA, MOTOSUKE OHMI
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Publication number: 20220055343Abstract: A structure body according to an embodiment of the present disclosure includes: a first base having one surface, and having a density lower than a density that is determined by a crystal structure and a composition of a constituent material; a second base disposed to face the one surface of the first base; and a buffer layer provided between the first base and the second base, and containing at least a metal element.Type: ApplicationFiled: December 6, 2019Publication date: February 24, 2022Applicants: SONY GROUP CORPORATION, TOHOKU UNIVERSITYInventors: Yuichi TAKAHASHI, Shohei ABE, Gen YONEZAWA, Takehito SHIMATSU, Miyuki UOMOTO
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Publication number: 20220032582Abstract: A structure according to an embodiment of the present disclosure includes: a first substrate; a second substrate opposed to the first substrate; a bonding layer provided between the first substrate and the second substrate; and a first decorative layer provided between the first substrate and the second substrate.Type: ApplicationFiled: December 19, 2019Publication date: February 3, 2022Applicants: SONY GROUP CORPORATION, TOHOKU UNIVERSITYInventors: Yuichi TAKAHASHI, Gen YONEZAWA, Shohei ABE, Takehito SHIMATSU, Miyuki UOMOTO
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Publication number: 20210333461Abstract: There are provided a light emitting unit that enhances the uniformity of in-plane colors, as well as a display and a lighting apparatus that include such a light emitting unit thereon. The light emitting unit includes: a plurality of light emitting sections each having a light source and a wavelength conversion member, the wavelength conversion member converting a wavelength of light emitted from the light source; an optical component having a light incident surface in opposition to the plurality of light emitting sections; and a color unevenness prevention structure suppressing direct entering of light from the light source into the optical component.Type: ApplicationFiled: July 7, 2021Publication date: October 28, 2021Applicant: Saturn Licensing LLCInventors: Shingo Ohkawa, Tomoharu Nakamura, Gen Yonezawa
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Patent number: 11086064Abstract: There are provided a light emitting unit that enhances the uniformity of in-plane colors, as well as a display and a lighting apparatus that include such a light emitting unit thereon. The light emitting unit includes: a plurality of light emitting sections each having a light source and a wavelength conversion member, the wavelength conversion member converting a wavelength of light emitted from the light source; an optical component having a light incident surface in opposition to the plurality of light emitting sections; and a color unevenness prevention structure suppressing direct entering of light from the light source into the optical component.Type: GrantFiled: October 24, 2019Date of Patent: August 10, 2021Assignee: Saturn Licensing LLCInventors: Shingo Ohkawa, Tomoharu Nakamura, Gen Yonezawa
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Publication number: 20200369000Abstract: A functional element according to an embodiment of the present disclosure includes: a first substrate; a second substrate disposed to face the first substrate; and a buffer layer provided between the first substrate and the second substrate. The buffer layer has, in a layer thereof, a distribution of concentration of a metallic element. The distribution changes in a film thickness direction.Type: ApplicationFiled: December 26, 2018Publication date: November 26, 2020Inventors: YOSHIHISA SATO, GEN YONEZAWA, SHOHEI ABE, YUICHI TAKAHASHI, TAKEHITO SHIMATSU, MIYUKI UOMOTO
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Publication number: 20200057186Abstract: There are provided a light emitting unit that enhances the uniformity of in-plane colors, as well as a display and a lighting apparatus that include such a light emitting unit thereon. The light emitting unit includes: a plurality of light emitting sections each having a light source and a wavelength conversion member, the wavelength conversion member converting a wavelength of light emitted from the light source; an optical component having a light incident surface in opposition to the plurality of light emitting sections; and a color unevenness prevention structure suppressing direct entering of light from the light source into the optical component.Type: ApplicationFiled: October 24, 2019Publication date: February 20, 2020Applicant: Saturn Licensing LLCInventors: Shingo Ohkawa, Tomoharu Nakamura, Gen Yonezawa
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Patent number: 10488572Abstract: There are provided a light emitting unit that enhances the uniformity of in-plane colors, as well as a display and a lighting apparatus that include such a light emitting unit thereon. The light emitting unit includes: a plurality of light emitting sections each having a light source and a wavelength conversion member, the wavelength conversion member converting a wavelength of light emitted from the light source; an optical component having a light incident surface in opposition to the plurality of light emitting sections; and a color unevenness prevention structure suppressing direct entering of light from the light source into the optical component.Type: GrantFiled: January 25, 2018Date of Patent: November 26, 2019Assignee: Saturn Licensing LLCInventors: Shingo Ohkawa, Tomoharu Nakamura, Gen Yonezawa
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Publication number: 20180164488Abstract: There are provided a light emitting unit that enhances the uniformity of in-plane colors, as well as a display and a lighting apparatus that include such a light emitting unit thereon. The light emitting unit includes: a plurality of light emitting sections each having a light source and a wavelength conversion member, the wavelength conversion member converting a wavelength of light emitted from the light source; an optical component having a light incident surface in opposition to the plurality of light emitting sections; and a color unevenness prevention structure suppressing direct entering of light from the light source into the optical component.Type: ApplicationFiled: January 25, 2018Publication date: June 14, 2018Applicant: Saturn Licensing LLCInventors: Shingo Ohkawa, Tomoharu Nakamura, Gen Yonezawa
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Patent number: 9915769Abstract: There are provided a light emitting unit that enhances the uniformity of in-plane colors, as well as a display and a lighting apparatus that include such a light emitting unit thereon. The light emitting unit includes: a plurality of light emitting sections each having a light source and a wavelength conversion member, the wavelength conversion member converting a wavelength of light emitted from the light source; an optical component having a light incident surface in opposition to the plurality of light emitting sections; and a color unevenness prevention structure suppressing direct entering of light from the light source into the optical component.Type: GrantFiled: July 18, 2016Date of Patent: March 13, 2018Assignee: Saturn Licensing LLCInventors: Shingo Ohkawa, Tomoharu Nakamura, Gen Yonezawa
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Publication number: 20160327723Abstract: There are provided a light emitting unit that enhances the uniformity of in-plane colors, as well as a display and a lighting apparatus that include such a light emitting unit thereon. The light emitting unit includes: a plurality of light emitting sections each having a light source and a wavelength conversion member, the wavelength conversion member converting a wavelength of light emitted from the light source; an optical component having a light incident surface in opposition to the plurality of light emitting sections; and a color unevenness prevention structure suppressing direct entering of light from the light source into the optical component.Type: ApplicationFiled: July 18, 2016Publication date: November 10, 2016Applicant: Sony CorporationInventors: Shingo Ohkawa, Tomoharu Nakamura, Gen Yonezawa
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Patent number: 9423554Abstract: There are provided a light emitting unit that enhances the uniformity of in-plane colors, as well as a display and a lighting apparatus that include such a light emitting unit thereon. The light emitting unit includes: a plurality of light emitting sections each having a light source and a wavelength conversion member, the wavelength conversion member converting a wavelength of light emitted from the light source; an optical component having a light incident surface in opposition to the plurality of light emitting sections; and a color unevenness prevention structure suppressing direct entering of light from the light source into the optical component.Type: GrantFiled: April 3, 2013Date of Patent: August 23, 2016Assignee: Sony CorporationInventors: Shingo Ohkawa, Tomoharu Nakamura, Gen Yonezawa
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Patent number: 9239418Abstract: A light emitting device includes: a light source; an optical component including a light incident surface, the light incident surface facing the light source; and a wavelength conversion member provided between the light source and the light incident surface, the wavelength conversion member crossing a first region and extending to a second region outside the first region, the first region being surrounded by the light incident surface and light paths of light that is emitted from the light source and enters edges of the light incident surface.Type: GrantFiled: July 13, 2015Date of Patent: January 19, 2016Assignee: Sony CorporationInventors: Tomoharu Nakamura, Kazue Shimizu, Gen Yonezawa, Shingo Ohkawa
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Publication number: 20150323726Abstract: A light emitting device includes: a light source; an optical component including a light incident surface, the light incident surface facing the light source; and a wavelength conversion member provided between the light source and the light incident surface, the wavelength conversion member crossing a first region and extending to a second region outside the first region, the first region being surrounded by the light incident surface and light paths of light that is emitted from the light source and enters edges of the light incident surface.Type: ApplicationFiled: July 13, 2015Publication date: November 12, 2015Applicant: SONY CORPORATIONInventors: Tomoharu Nakamura, Kazue Shimizu, Gen Yonezawa, Shingo Ohkawa
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Patent number: 9110204Abstract: A light emitting device includes: a light source; an optical component including a light incident surface, the light incident surface facing the light source; and a wavelength conversion member provided between the light source and the light incident surface, the wavelength conversion member crossing a first region and extending to a second region outside the first region, the first region being surrounded by the light incident surface and light paths of light that is emitted from the light source and enters edges of the light incident surface.Type: GrantFiled: April 4, 2013Date of Patent: August 18, 2015Assignee: Sony CorporationInventors: Tomoharu Nakamura, Kazue Shimizu, Gen Yonezawa, Shingo Ohkawa