Patents by Inventor MASAHIRO ISHIGE
MASAHIRO ISHIGE 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).
-
Patent number: 11868033Abstract: A wavelength conversion element according to an embodiment of the present disclosure includes: a phosphor layer; a refrigerant; a refrigerant transport member; and a housing. The phosphor layer includes a plurality of phosphor particles. The phosphor layer has a gap therein. The refrigerant cools the phosphor layer. The refrigerant transport member is provided in contact with the phosphor layer. The refrigerant transport member circulates the refrigerant. The phosphor layer, the refrigerant, and the refrigerant transport member are encapsulated in the housing.Type: GrantFiled: August 7, 2019Date of Patent: January 9, 2024Assignee: SONY GROUP CORPORATIONInventors: Shota Nishi, Izushi Kobayashi, Yuki Maeda, Masahiro Ishige
-
Patent number: 11774048Abstract: A light source apparatus according to an embodiment of the present disclosure includes: a supporting substrate including a phosphor layer on one surface; a driver that causes the supporting substrate to be rotationally driven; a first supporting member that is opposed to another surface opposite to the one surface of the supporting substrate; a plurality of first heat dissipation members each having heat dissipation performance different from each other depending on a distance from the phosphor layer, the plurality of first heat dissipation members being provided concentrically on the other surface of the supporting substrate; and a plurality of second heat dissipation members provided concentrically on a surface, of the first supporting member, that is opposed to the supporting substrate, the plurality of second heat dissipation members being disposed alternately with the plurality of first heat dissipation members.Type: GrantFiled: May 26, 2020Date of Patent: October 3, 2023Assignee: Sony Group CorporationInventors: Shota Nishi, Takeharu Takasawa, Masahiro Ishige
-
Publication number: 20220316661Abstract: A light source apparatus according to an embodiment of the present disclosure includes: a supporting substrate including a phosphor layer on one surface; a driver that causes the supporting substrate to be rotationally driven; a first supporting member that is opposed to another surface opposite to the one surface of the supporting substrate; a plurality of first heat dissipation members each having heat dissipation performance different from each other depending on a distance from the phosphor layer, the plurality of first heat dissipation members being provided concentrically on the other surface of the supporting substrate; and a plurality of second heat dissipation members provided concentrically on a surface, of the first supporting member, that is opposed to the supporting substrate, the plurality of second heat dissipation members being disposed alternately with the plurality of first heat dissipation members.Type: ApplicationFiled: May 26, 2020Publication date: October 6, 2022Applicant: SONY GROUP CORPORATIONInventors: Shota NISHI, Takeharu TAKASAWA, Masahiro ISHIGE
-
Publication number: 20210341823Abstract: A wavelength conversion element according to an embodiment of the present disclosure includes: a phosphor layer; a refrigerant; a refrigerant transport member; and a housing. The phosphor layer includes a plurality of phosphor particles. The phosphor layer has a gap therein. The refrigerant cools the phosphor layer. The refrigerant transport member is provided in contact with the phosphor layer. The refrigerant transport member circulates the refrigerant. The phosphor layer, the refrigerant, and the refrigerant transport member are encapsulated in the housing.Type: ApplicationFiled: August 7, 2019Publication date: November 4, 2021Applicant: SONY CORPORATIONInventors: Shota NISHI, Izushi KOBAYASHI, Yuki MAEDA, Masahiro ISHIGE
-
Patent number: 10955734Abstract: A light source apparatus according to an embodiment of the present disclosure includes: a rotator including a light emission unit on one surface, a heat dissipation member that is coupled to the rotator, and has a first cylindrical surface substantially parallel to a rotation axis of the rotator, and a housing that contains the rotator and the heat dissipation member, and has a second cylindrical surface substantially parallel to the first cylindrical surface of the heat dissipation member.Type: GrantFiled: November 10, 2017Date of Patent: March 23, 2021Assignee: Sony CorporationInventors: Masahiro Ishige, Izushi Kobayashi, Takeharu Takasawa
-
Patent number: 10890835Abstract: A light conversion device according to one embodiment of the disclosure includes a light conversion section that is rotatable about an axis of rotation, a cooling section that cools the light conversion section, a housing that houses the light conversion section and the cooling section, and a partition member that is provided on the light conversion section, and partitions a space in the housing.Type: GrantFiled: April 5, 2016Date of Patent: January 12, 2021Assignee: SONY CORPORATIONInventors: Izushi Kobayashi, Masahiro Ishige
-
Patent number: 10884328Abstract: A projection display apparatus according to an embodiment of the present disclosure includes: a light source optical system including a light source section, a light conversion section that converts light emitted from the light source section to light having a wavelength band different from a wavelength band of the emitted light, and a cooling section that cools the light conversion section; and an external casing that houses the light source optical system and has an air inlet and an air outlet that form an airflow path in a linear shape. The light source section and the light conversion section are disposed on the airflow path, and the cooling section is disposed at a position shifted from the airflow path.Type: GrantFiled: June 28, 2017Date of Patent: January 5, 2021Assignee: SONY CORPORATIONInventors: Hiroyuki Meguro, Masahiro Ishige, Ryo Kusui
-
Patent number: 10865950Abstract: A light source unit includes a substrate that is rotatable, a phosphor layer disposed at a center of the substrate, a light source that irradiates the phosphor layer with exciting light, and a support section that supports a portion, of the substrate, except for the center of the substrate. This makes it difficult for heat generated in the phosphor layer to travel to a motor through the substrate.Type: GrantFiled: July 26, 2019Date of Patent: December 15, 2020Assignee: SONY CORPORATIONInventors: Masahiro Ishige, Izushi Kobayashi, Yoshihisa Sato, Hiroki Morita
-
Publication number: 20200033705Abstract: A projection display apparatus according to an embodiment of the present disclosure includes: a light source optical system including a light source section, a light conversion section that converts light emitted from the light source section to light having a wavelength band different from a wavelength band of the emitted light, and a cooling section that cools the light conversion section; and an external casing that houses the light source optical system and has an air inlet and an air outlet that form an airflow path in a linear shape. The light source section and the light conversion section are disposed on the airflow path, and the cooling section is disposed at a position shifted from the airflow path.Type: ApplicationFiled: June 28, 2017Publication date: January 30, 2020Applicant: SONY CORPORATIONInventors: Hiroyuki MEGURO, Masahiro ISHIGE, Ryo KUSUI
-
Patent number: 10527914Abstract: An object of the present invention is to improve the efficiency of heat dissipation from a phosphor wheel while suppressing the air resistance and noise of the phosphor wheel during the driving of a light source apparatus. A phosphor wheel according to the present invention includes a disc-like substrate, a phosphor layer formed on the substrate, and a plurality of heat dissipation fins overlapping with each other when viewed in a direction orthogonal to a surface of the substrate.Type: GrantFiled: September 11, 2018Date of Patent: January 7, 2020Assignee: SONY CORPORATIONInventors: Izushi Kobayashi, Masahiro Ishige, Yuki Maeda
-
Publication number: 20190369469Abstract: A light source apparatus according to an embodiment of the present disclosure includes: a rotator including a light emission unit on one surface, a heat dissipation member that is coupled to the rotator, and has a first cylindrical surface substantially parallel to a rotation axis of the rotator, and a housing that contains the rotator and the heat dissipation member, and has a second cylindrical surface substantially parallel to the first cylindrical surface of the heat dissipation member.Type: ApplicationFiled: November 10, 2017Publication date: December 5, 2019Applicant: Sony CorporationInventors: Masahiro Ishige, Izushi Kobayashi, Takeharu Takasawa
-
Publication number: 20190346092Abstract: A light source unit according to an embodiment of the disclosure includes a substrate configured to be rotatable, a phosphor layer disposed at a center of the substrate, a light source that irradiates the phosphor layer with exciting light, and a support section that supports a portion, of the substrate, except for the center of the substrate. This makes it difficult for heat generated in the phosphor layer to travel to a motor through the substrate.Type: ApplicationFiled: July 26, 2019Publication date: November 14, 2019Inventors: MASAHIRO ISHIGE, IZUSHI KOBAYASHI, YOSHIHISA SATO, HIROKI MORITA
-
Patent number: 10415772Abstract: A light source unit according to an embodiment of the disclosure includes a substrate configured to be rotatable, a phosphor layer disposed at a center of the substrate, a light source that irradiates the phosphor layer with exciting light, and a support section that supports a portion, of the substrate, except for the center of the substrate. This makes it difficult for heat generated in the phosphor layer to travel to a motor through the substrate.Type: GrantFiled: April 20, 2016Date of Patent: September 17, 2019Assignee: SONY CORPORATIONInventors: Masahiro Ishige, Izushi Kobayashi, Yoshihisa Sato, Hiroki Morita
-
Publication number: 20190049830Abstract: This light source device includes: a wavelength conversion element that absorbs a portion of an incident first color beam and outputs a second color beam in a wavelength region that is different from a wavelength region of the first color beam, and outputs an unabsorbed portion of the first color beam; a first optical system that outputs the first color beam toward the wavelength conversion element, while concentrating the first color beam, and sets a focal position of the first color beam to a position shifted from a position on the wavelength conversion element; and a second optical system that is disposed on light output side of the wavelength conversion element, and includes an optical member that concentrates light on a different position depending on a wavelength.Type: ApplicationFiled: January 19, 2017Publication date: February 14, 2019Inventors: SHINICHIRO TAJIRI, MASAHIRO ISHIGE
-
Publication number: 20190049075Abstract: A light source unit according to an embodiment of the disclosure includes a substrate configured to be rotatable, a phosphor layer disposed at a center of the substrate, a light source that irradiates the phosphor layer with exciting light, and a support section that supports a portion, of the substrate, except for the center of the substrate. This makes it difficult for heat generated in the phosphor layer to travel to a motor through the substrate.Type: ApplicationFiled: April 20, 2016Publication date: February 14, 2019Inventors: MASAHIRO ISHIGE, IZUSHI KOBAYASHI, YOSHIHISA SATO, HIROKI MORITA
-
Publication number: 20190011817Abstract: An object of the present invention is to improve the efficiency of heat dissipation from a phosphor wheel while suppressing the air resistance and noise of the phosphor wheel during the driving of a light source apparatus. A phosphor wheel (100) according to the present invention includes: a disc-like substrate (120); a phosphor layer (130) formed on the substrate; and a plurality of heat dissipation fins (154a, 154b, and 154c) overlapping with each other when viewed in a direction orthogonal to a surface of the substrate.Type: ApplicationFiled: September 11, 2018Publication date: January 10, 2019Inventors: IZUSHI KOBAYASHI, MASAHIRO ISHIGE, YUKI MAEDA
-
Patent number: 10114276Abstract: An object of the present invention is to improve the efficiency of heat dissipation from a phosphor wheel while suppressing the air resistance and noise of the phosphor wheel during the driving of a light source apparatus. A phosphor wheel (100) according to the present invention includes: a disc-like substrate (120); a phosphor layer (130) formed on the substrate; and a plurality of heat dissipation fins (154a, 154b, and 154c) overlapping with each other when viewed in a direction orthogonal to a surface of the substrate.Type: GrantFiled: July 16, 2015Date of Patent: October 30, 2018Assignee: SONY CORPORATIONInventors: Izushi Kobayashi, Masahiro Ishige, Yuki Maeda
-
Publication number: 20180135816Abstract: An illuminating unit according to an embodiment of the disclosure includes: a mounting member; a light source section that is aligned on the mounting member, and has one or more solid-state light sources that emit light in a predetermined wavelength band; and an optical conversion section that is coupled to the light source section, and converts outgoing light emitted from the solid-state light source into light in a wavelength band that is different from the wavelength band of the outgoing light.Type: ApplicationFiled: March 28, 2016Publication date: May 17, 2018Inventors: MASAHIRO ISHIGE, MOTOSUKE OHMI, IZUSHI KOBAYASHI, YOSHIHISA SATO
-
Publication number: 20180066835Abstract: A light conversion device according to one embodiment of the disclosure includes a light conversion section that is rotatable about an axis of rotation, a cooling section that cools the light conversion section, a housing that houses the light conversion section and the cooling section, and a partition member that is provided on the light conversion section, and partitions a space in the housing.Type: ApplicationFiled: April 5, 2016Publication date: March 8, 2018Inventors: IZUSHI KOBAYASHI, MASAHIRO ISHIGE
-
Publication number: 20170293211Abstract: An object of the present invention is to improve the efficiency of heat dissipation from a phosphor wheel while suppressing the air resistance and noise of the phosphor wheel during the driving of a light source apparatus. A phosphor wheel (100) according to the present invention includes: a disc-like substrate (120); a phosphor layer (130) formed on the substrate; and a plurality of heat dissipation fins (154a, 154b, and 154c) overlapping with each other when viewed in a direction orthogonal to a surface of the substrate.Type: ApplicationFiled: July 16, 2015Publication date: October 12, 2017Inventors: IZUSHI KOBAYASHI, MASAHIRO ISHIGE, YUKI MAEDA