Patents by Inventor Manabu OKUNO
Manabu OKUNO 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: 20240248384Abstract: A light source device includes a light source element that emits light source light in a first wavelength region, a selective reflection element that separates the light source light into first light and second light, a first light direction conversion element that reflects the first light guided in a first direction from the selective reflection element in a second direction, and a wavelength conversion element that converts the first light into third light in a second wavelength region. The first light direction conversion element reflects the third light in a third direction opposite to the first direction. The selective reflection element transmits the third light reflected by the first light direction conversion element. The selective reflection element guides the second light and the third light in the third direction. The light source element emits the light source light in a direction different from the second direction.Type: ApplicationFiled: April 3, 2024Publication date: July 25, 2024Inventors: Yoshiki Tanaka, Takashi Ikeda, Manabu Okuno, Makoto Maeda
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Publication number: 20240248385Abstract: A light source device includes: a light source element emitting first light; a first selective reflection element disposed at a position where the first light is incident, the first selective reflection element transmitting a component of first linear polarized light and reflecting a component of second linear polarized light; a second selective reflection element disposed at a position for receiving incident light that has passed through or been reflected by the first selective reflection element, the second selective reflection element transmitting or reflecting the incident light in accordance with a wavelength region; and a first polarization direction conversion element disposed between the first and second selective reflection element, the first polarization direction conversion element converting the first linear polarized light into elliptical polarized light.Type: ApplicationFiled: April 2, 2024Publication date: July 25, 2024Inventors: Takashi Ikeda, Yoshiki TANAKA, Makoto Maeda, Yusaku Nishikawa, Manabu Okuno
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Publication number: 20240201574Abstract: A projection image apparatus includes an illumination optical system generating illumination light by combining laser light of a first and a second color, a light modulator generating image light by modulating the illumination light, and a projection optical system enlarging and projecting the image light. The light source is configured to have a small difference between a height of a light source image of the laser light of the first color and a height of a light source image of the laser light of the second color. The illumination optical system includes a relay optical system including a first diaphragm of reflective type having a variable opening diameter, the first diaphragm disposed at a first pupil position. The projection optical system includes a second diaphragm of absorption type having a variable opening diameter, the second diaphragm disposed at a second pupil position conjugate with the first pupil position.Type: ApplicationFiled: February 28, 2024Publication date: June 20, 2024Inventors: Shigekazu Yamagishi, Manabu OKUNO
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Patent number: 11982930Abstract: A light source apparatus includes a plurality of light emitting apparatuses. Each of the light emitting apparatuses includes a plurality of light emitting devices each of which has a light emitting area and a non-light emitting area on an emission surface thereof that emits light. At least two light emitting apparatuses of the light emitting apparatuses constitute a light emitting apparatus group disposed such that the emission surfaces of the respective light emitting apparatuses are parallel to each other with a predetermined distance, and that a distance between light emitting areas of the respective light emitting apparatuses when viewed along a direction perpendicular to the emission surfaces of the at least two of the light emitting apparatuses is shorter than a distance between the light emitting areas of the respective light emitting apparatuses when the emission surfaces of the respective light emitting apparatuses are on the same plane.Type: GrantFiled: November 25, 2022Date of Patent: May 14, 2024Assignee: Panasonic Intellectual Property Management Co., Ltd.Inventors: Takaaki Tanaka, Manabu Okuno
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Publication number: 20230091332Abstract: A light source apparatus includes a plurality of light emitting apparatuses. Each of the light emitting apparatuses includes a plurality of light emitting devices each of which has a light emitting area and a non-light emitting area on an emission surface thereof that emits light. At least two light emitting apparatuses of the light emitting apparatuses constitute a light emitting apparatus group disposed such that the emission surfaces of the respective light emitting apparatuses are parallel to each other with a predetermined distance, and that a distance between light emitting areas of the respective light emitting apparatuses when viewed along a direction perpendicular to the emission surfaces of the at least two of the light emitting apparatuses is shorter than a distance between the light emitting areas of the respective light emitting apparatuses when the emission surfaces of the respective light emitting apparatuses are on the same plane.Type: ApplicationFiled: November 25, 2022Publication date: March 23, 2023Inventors: Takaaki TANAKA, Manabu OKUNO
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Patent number: 11537035Abstract: A light source apparatus includes a plurality of light emitting apparatuses. Each of the light emitting apparatuses includes a plurality of light emitting devices each of which has a light emitting area and a non-light emitting area on an emission surface thereof that emits light. At least two light emitting apparatuses of the light emitting apparatuses constitute a light emitting apparatus group disposed such that the emission surfaces of the respective light emitting apparatuses are parallel to each other with a predetermined distance, and that a distance between light emitting areas of the respective light emitting apparatuses when viewed along a direction perpendicular to the emission surfaces of the at least two of the light emitting apparatuses is shorter than a distance between the light emitting areas of the respective light emitting apparatuses when the emission surfaces of the respective light emitting apparatuses are on the same plane.Type: GrantFiled: March 9, 2021Date of Patent: December 27, 2022Assignee: Panasonic Intellectual Property Management Co., Ltd.Inventors: Takaaki Tanaka, Manabu Okuno
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Patent number: 11513433Abstract: A lighting device of the present disclosure includes a light source device and a reflective component. The reflective component reflects an illumination light incident from the light source device off the reflecting surface of the reflective component at incident angle ?, and emits the illumination light reflected toward a display element at exit angle ?. The reflecting surface of the reflective component is rotated with respect to two axes orthogonal to each other. 20 degrees?|???|?60 degrees is satisfied. Where, each of the incident angle ? and the exit angle ? is angle of the illumination light to a horizontal direction of the display element when the illumination light is incident on a front surface of the display element.Type: GrantFiled: October 23, 2020Date of Patent: November 29, 2022Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.Inventors: Manabu Okuno, Yoshimasa Fushimi
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Patent number: 11388377Abstract: The display device includes a light source unit that emits light, a first display element, and a second display element. The display device further includes a light separating and synthesizing member that separates the light emitted from the light source unit into first light and second light having different wavelength regions, emits the first light toward the first display element, emits the second light toward the second display element, and synthesizes the first light that has been reflected and modulated by the first display element and the second light that has been reflected and modulated by the second display element. The display device further includes a light absorbing member that covers a part of the first display element. The light absorbing member absorbs a part of the modulated second light reflected by the second display element and directed toward the first display element.Type: GrantFiled: December 23, 2020Date of Patent: July 12, 2022Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.Inventors: Manabu Okuno, Manabu Chikayama
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Patent number: 11126072Abstract: A phosphor wheel of exemplary embodiment in the present disclosure includes a substrate, a phosphor region circularly provided on one surface of the substrate, a light processing region circularly provided on an other surface of the substrate and entered by incident light, a light processing body provided in the light processing region, a light-transmissive region provided in the substrate, and a drive device rotating the substrate.Type: GrantFiled: April 17, 2019Date of Patent: September 21, 2021Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.Inventors: Yoshiki Tanaka, Manabu Okuno, Takashi Ikeda
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Publication number: 20210203895Abstract: The display device includes a light source unit that emits light, a first display element, and a second display element. The display device further includes a light separating and synthesizing member that separates the light emitted from the light source unit into first light and second light having different wavelength regions, emits the first light toward the first display element, emits the second light toward the second display element, and synthesizes the first light that has been reflected and modulated by the first display element and the second light that has been reflected and modulated by the second display element. The display device further includes a light absorbing member that covers a part of the first display element. The light absorbing member absorbs a part of the modulated second light reflected by the second display element and directed toward the first display element.Type: ApplicationFiled: December 23, 2020Publication date: July 1, 2021Inventors: Manabu OKUNO, Manabu CHIKAYAMA
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Publication number: 20210191243Abstract: A light source apparatus includes a plurality of light emitting apparatuses. Each of the light emitting apparatuses includes a plurality of light emitting devices each of which has a light emitting area and a non-light emitting area on an emission surface thereof that emits light. At least two light emitting apparatuses of the light emitting apparatuses constitute a light emitting apparatus group disposed such that the emission surfaces of the respective light emitting apparatuses are parallel to each other with a predetermined distance, and that a distance between light emitting areas of the respective light emitting apparatuses when viewed along a direction perpendicular to the emission surfaces of the at least two of the light emitting apparatuses is shorter than a distance between the light emitting areas of the respective light emitting apparatuses when the emission surfaces of the respective light emitting apparatuses are on the same plane.Type: ApplicationFiled: March 9, 2021Publication date: June 24, 2021Inventors: Takaaki TANAKA, Manabu OKUNO
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Publication number: 20210124250Abstract: A lighting device of the present disclosure includes a light source device and a reflective component. The reflective component reflects an illumination light incident from the light source device off the reflecting surface of the reflective component at incident angle ?, and emits the illumination light reflected toward a display element at exit angle ?. The reflecting surface of the reflective component is rotated with respect to two axes orthogonal to each other. 20 degrees?|???|?60 degrees is satisfied. Where, each of the incident angle ? and the exit angle ? is angle of the illumination light to a horizontal direction of the display element when the illumination light is incident on a front surface of the display element.Type: ApplicationFiled: October 23, 2020Publication date: April 29, 2021Inventors: Manabu OKUNO, Yoshimasa FUSHIMI
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Publication number: 20210041779Abstract: A first light source device includes: a solid-state light source; a condenser element that collects light from the solid-state light source; a retardation plate that converts linearly polarized light into circularly polarized light; and a reflection plate, wherein the retardation plate is disposed at a point of incidence of collected light and divergent light between the condenser element and the reflection plate. A second light source device includes: a solid-state light source; a retardation plate that changes a polarization direction of light from the solid-state light source to make a ratio of p-polarization and s-polarization components of the light constant under control; and a dichroic mirror that separates the light from the retardation plate according to the polarization direction, wherein the retardation plate is disposed at a point of incidence of one of collected light and divergent light between the solid-state light source and the dichroic mirror.Type: ApplicationFiled: October 14, 2020Publication date: February 11, 2021Inventors: Takaaki TANAKA, Manabu OKUNO
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Patent number: 10845578Abstract: A light source device 20 includes light source units 200a to 200d, lenses 203a, 203b, and 205, and mirrors 204a and 204b. Light source units 200a, 200b and/or light source units 200c, 200d are placed such that the light from units 200a to 200d either enters lens 203a at a position deviated from the optical axis of lens 203a or enters lens 203b at a position deviated from the optical axis of lens 203b.Type: GrantFiled: January 30, 2020Date of Patent: November 24, 2020Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.Inventors: Manabu Okuno, Yohei Katsumata
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Publication number: 20200363710Abstract: A wavelength conversion composite includes a plurality of light-incident layers for emitting lights of different wavelength ranges in response to an incident light. The plurality of light-incident layers are disposed in layers on the same plane, adjacent edges of two adjacent light-incident layers among the plurality of light-incident layers being in contact with each other so that the plurality of light-incident layers form an integral whole.Type: ApplicationFiled: May 8, 2020Publication date: November 19, 2020Inventors: Takashi IKEDA, Makoto MAEDA, Manabu OKUNO
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Patent number: 10838289Abstract: A first light source device includes: a solid-state light source; a condenser element that collects light from the solid-state light source; a retardation plate that converts linearly polarized light into circularly polarized light; and a reflection plate, wherein the retardation plate is disposed at a point of incidence of collected light and divergent light between the condenser element and the reflection plate. A second light source device includes: a solid-state light source; a retardation plate that changes a polarization direction of light from the solid-state light source to make a ratio of polarization and s-polarization components of the light constant under control; and a dichroic mirror that separates the light from the retardation according to the polarization direction, wherein the retardation plate is disposed at a point of incidence of one of collected light and divergent light between the solid-state light source and the dichroic mirror.Type: GrantFiled: June 6, 2017Date of Patent: November 17, 2020Assignee: Panasonic Intellectual Property Management Co., Ltd.Inventors: Takaaki Tanaka, Manabu Okuno
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Publication number: 20200249449Abstract: A light source device 20 includes light source units 200a to 200d, lenses 203a, 203b, and 205, and mirrors 204a and 204b. Light source units 200a, 200b and/or light source units 200c, 200d are placed such that the light from units 200a to 200d either enters lens 203a at a position deviated from the optical axis of lens 203a or enters lens 203b at a position deviated from the optical axis of lens 203b.Type: ApplicationFiled: January 30, 2020Publication date: August 6, 2020Inventors: Manabu OKUNO, Yohei KATSUMATA
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Publication number: 20190331992Abstract: A phosphor wheel of exemplary embodiment in the present disclosure includes a substrate, a phosphor region circularly provided on one surface of the substrate, a light processing region circularly provided on an other surface of the substrate and entered by incident light, a light processing body provided in the light processing region, a light-transmissive region provided in the substrate, and a drive device rotating the substrate.Type: ApplicationFiled: April 17, 2019Publication date: October 31, 2019Inventors: YOSHIKI TANAKA, MANABU OKUNO, TAKASHI IKEDA
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Patent number: 10310364Abstract: The light source device and the projection display apparatus include a solid-state light source unit, a dichroic mirror, a fluorescent plate, a first wave plate, and a multi-reflection mirror. The solid-state light source unit emits first and second linearly polarized light rays at a predetermined ratio, the first and the second linearly polarized light rays being orthogonal to each other. The dichroic mirror separates the first and the second linearly polarized light rays, and combines blue light with yellow light. The fluorescent plate emits the yellow light to the dichroic mirror when the fluorescent plate is excited by the first linearly polarized light ray separated by the dichroic mirror. The first wave plate converts the second linearly polarized light ray separated by the dichroic mirror, into circularly polarized light. The multi-reflection mirror reflects the circularly polarized light to the dichroic mirror as the blue light.Type: GrantFiled: April 3, 2018Date of Patent: June 4, 2019Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.Inventors: Manabu Okuno, Takaaki Tanaka
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Patent number: 10146114Abstract: A projection display apparatus of the present disclosure includes a solid state light source discharging blue light in a first wavelength range; a wheel having a transmission part transmitting blue light and a first light-emitting body emitting light in response to irradiation with blue light; a second light-emitting body emitting light in a second wavelength range closer to the longer wavelengths than the first wavelength range is and adjacent to the first wavelength range, in response to irradiation with blue light that has passed through the transmission part; a light uniformizing element uniformizing the blue light and the light emitted from the first and second light-emitting body; a light modulation element modulating the light uniformized by the light uniformizing element; and projection unit projecting the light modulated by the light modulation element.Type: GrantFiled: April 25, 2017Date of Patent: December 4, 2018Assignee: Panasonic Intellectual Property Management Co., Ltd.Inventors: Michihiro Okuda, Manabu Okuno