Patents by Inventor Ryoh Kikuchi
Ryoh Kikuchi 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: 20230018259Abstract: A light-emitting device includes: a first layer; a second layer; a light-emitting element layer positioned between the first layer and the second layer and including a light-emitting element; a first adhesive layer positioned between the first layer and the light-emitting element layer, and having a thickness of 10 ?m or greater and less than 25 ?m and a shear modulus at 23 degrees Celsius of 4.0E+04 Pa or greater and less than 1.0E+05 Pa; and a second adhesive layer positioned between the light-emitting element layer and the second layer, and having a thickness of greater than 0 ?m and no greater than 15 ?m and a shear modulus at 23 degrees Celsius of 1.0E+05 Pa or greater.Type: ApplicationFiled: December 26, 2019Publication date: January 19, 2023Inventors: RYOH KIKUCHI, TAKEHIRO MURAO, KENICHIROH TSUCHIDA, YASUYUKI TOGASHI
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Patent number: 11061247Abstract: A liquid crystal (LC) device includes an optical stack arrangement including from the viewing side: a first electrode component; a first LC alignment layer; an LC layer; a second LC alignment layer; and a second electrode component. A voltage is applied to the LC device to create a potential difference between the first and second electrode components to switch an alignment of liquid crystals of selected portions of the LC layer from a first state when no voltage is applied to a second state when the voltage is applied. The first and second LC alignment layers are vertical alignment layers that induce a vertical alignment of the liquid crystals such that the first state when no voltage is applied is a vertical alignment state, and the liquid LC crystals switch to a planar alignment state as the second state when the voltage is applied.Type: GrantFiled: September 25, 2018Date of Patent: July 13, 2021Assignee: Sharp Kabushiki KaishaInventors: Andrew Acreman, Nathan James Smith, Takehiro Murao, Ryoh Kikuchi
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Patent number: 10725319Abstract: Provided is a display device capable of high-quality three-dimensional displaying. During three-dimensional displaying for a viewing position ?, in a first term, an entirety of a first predetermined region of a second liquid crystal panel takes on a light-blocking state and a first adjacent region, which is adjacent to the first predetermined region in the first direction, takes on a light-transmitting state. In a second term, at least one of two side regions in the first predetermined region takes on the light-transmitting state, a remaining region of the first predetermined region takes on the light-blocking state, and at least part of the first adjacent region takes on the light-transmitting state.Type: GrantFiled: January 6, 2017Date of Patent: July 28, 2020Assignee: SHARP KABUSHIKI KAISHAInventors: Takehiro Murao, Ryoh Kikuchi, Takayuki Yamada, Nathan James Smith, Andre Filipe Marques Da Silva, Martin Paul Buckthorpe
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Publication number: 20200096796Abstract: A liquid crystal (LC) device includes an optical stack arrangement including from the viewing side: a first electrode component; a first LC alignment layer; an LC layer; a second LC alignment layer; and a second electrode component. A voltage is applied to the LC device to create a potential difference between the first and second electrode components to switch an alignment of liquid crystals of selected portions of the LC layer from a first state when no voltage is applied to a second state when the voltage is applied. The first and second LC alignment layers are vertical alignment layers that induce a vertical alignment of the liquid crystals such that the first state when no voltage is applied is a vertical alignment state, and the liquid LC crystals switch to a planar alignment state as the second state when the voltage is applied.Type: ApplicationFiled: September 25, 2018Publication date: March 26, 2020Inventors: Andrew Acreman, Nathan James Smith, Takehiro Murao, Ryoh Kikuchi
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Patent number: 10587866Abstract: A reconfigurable parallax barrier panel comprising an electro-optic material has a first region, a second region and a first compensation region. First electrodes are addressable to define, in the first region of the panel, a parallax barrier array selected from a plurality of predetermined parallax barrier arrays, and second electrodes are addressable define, in the second region of the panel, independently of the first parallax barrier array, a parallax barrier array selected from the plurality of predetermined parallax barrier arrays. Electrodes of the first compensation region are addressable to define, dependent on the first parallax barrier array and on the second parallax barrier array, at least one slit and/or at least one barrier between the first region and the second region.Type: GrantFiled: July 14, 2016Date of Patent: March 10, 2020Assignee: Sharp Kabushiki KaishaInventors: Nathan James Smith, Hywel Hopkin, Takehiro Murao, Ryoh Kikuchi
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Publication number: 20190283607Abstract: The present invention enhances instant readability by causing a driver to visually recognize, without a feeling of stranger an image obtained by photographing an area around a vehicle. A display section (11, 12, 13) is provided ahead of a driver, and the display section displays an image, obtained by photographing an area around an automobile (1), so that the image is recognized to be located on a deeper side away from the driver, an amount, by which a visible object is recognized to be located on a deeper side than a display screen, corresponding to a distance which causes the driver to recognize the visible object reflected by a mirror.Type: ApplicationFiled: November 24, 2017Publication date: September 19, 2019Inventors: TAKEHIRO MURAO, RYOH KIKUCHI, TAKAYUKI YAMADA, TAKEHIKO NAKAGAWA, YOSHIMITSU INAMORI, NAOKI SHIRAISHI
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Patent number: 10390008Abstract: A reconfigurable parallax barrier panel, for use in a display system with a 3D mode, includes a first substrate, a second substrate, and an electro-optic material positioned between the first and second substrates. The first and second substrates each respectively has a plurality of first and second electrodes, the electrodes being independently addressable from one another and comprising a plurality of electrode portions extending along a first direction and laterally spaced from one another along a second direction different from the first direction. The electrode portions of the first electrodes are arranged in a cyclic arrangement having a first pitch, and the electrode portions of the second electrodes are arranged in a cyclic arrangement having a second pitch that is different to the first pitch. The first and second electrodes are driven to generate different reconfigurable parallax barrier arrays corresponding to different viewing distances in a 3D mode of operation.Type: GrantFiled: January 10, 2017Date of Patent: August 20, 2019Assignee: Sharp Kabushiki KaishaInventors: Nathan James Smith, André Filipe Marques da Silva, Takehiro Murao, Ryoh Kikuchi, Takayuki Yamada, Andrew Acreman
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Publication number: 20190182476Abstract: First electrodes and second electrodes of a switching liquid crystal panel of a stereoscopic display device are provided on different layers with an insulating film interposed, gaps between the second electrodes are light-transmitting regions, the first electrodes are provided corresponding to gaps between the second electrodes in plan view, and, when an electrode width of the first electrodes, a gap width of the first electrodes, an electrode width of the second electrodes, and a gap width of the second electrodes in the X-axis direction are taken as WL1, GL1, WU1, and GU1 respectively, WU1=GL1<WL1=GU1.Type: ApplicationFiled: December 7, 2018Publication date: June 13, 2019Inventors: RYOH KIKUCHI, TAKEHIRO MURAO, TAKAYUKI YAMADA
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Publication number: 20190166357Abstract: An aspect of the present invention provides a display device that does riot hinder driving. An electronic mirror in accordance with an embodiment of the present invention includes: a depth adjusting section for adjusting a depth of a visible object contained in an image, in a case where 2D display is switched to 3D display or in a case where 3D display is switched to 2D display; and an output image generating section for generating an image which reaches, in a predetermined time period, the depth having been adjusted by the depth adjusting section.Type: ApplicationFiled: November 28, 2018Publication date: May 30, 2019Inventors: Takehiko Nakagawa, Yoshimitsu Inamori, Eri Yanagawa, Takehiro Murao, Ryoh Kikuchi, Takayuki Yamada
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Publication number: 20190166358Abstract: An aspect of the present invention provides a display device that does not hinder driving. An electronic mirror includes: an image display device capable of switching between 2D display and 3D display, the 3D display being carried out by a parallax barrier method; and a distance measuring device for measuring a distance from eyes of a user to a display screen of the image display device. The electronic mirror switches display from the 3D display to the 2D display in a case where the distance measured by the distance measuring device falls outside a predetermined range during the 3D display.Type: ApplicationFiled: November 28, 2018Publication date: May 30, 2019Inventors: Takehiko NAKAGAWA, Yoshimitsu INAMORI, Eri YANAGAWA, Takehiro MURAO, Ryoh KIKUCHI, Takayuki YAMADA
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Publication number: 20190011717Abstract: Provided is a display device capable of high-quality three-dimensional displaying. During three-dimensional displaying for a viewing position ?, in a first term, an entirety of a first predetermined region of a second liquid crystal panel takes on a light-blocking state and a first adjacent region, which is adjacent to the first predetermined region in the first direction, takes on a light-transmitting state. In a second term, at least one of two side regions in the first predetermined region takes on the light-transmitting state, a remaining region of the first predetermined region takes on the light-blocking state, and at least part of the first adjacent region takes on the light-transmitting state.Type: ApplicationFiled: January 6, 2017Publication date: January 10, 2019Inventors: TAKEHIRO MURAO, RYOH KIKUCHI, TAKAYUKI YAMADA, Nathan James SMITH, Andre Filipe MARQUES DA SILVA, Martin Paul BUCKTHORPE
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Publication number: 20180199030Abstract: A reconfigurable parallax barrier panel, for use in a display system with a 3D mode, includes a first substrate, a second substrate, and an electro-optic material positioned between the first and second substrates. The first and second substrates each respectively has a plurality of first and second electrodes, the electrodes being independently addressable from one another and comprising a plurality of electrode portions extending along a first direction and laterally spaced from one another along a second direction different from the first direction. The electrode portions of the first electrodes are arranged in a cyclic arrangement having a first pitch, and the electrode portions of the second electrodes are arranged in a cyclic arrangement having a second pitch that is different to the first pitch. The first and second electrodes are driven to generate different reconfigurable parallax barrier arrays corresponding to different viewing distances in a 3D mode of operation.Type: ApplicationFiled: January 10, 2017Publication date: July 12, 2018Inventors: Nathan James SMITH, André Filipe Marques da Silva, Takehiro Murao, Ryoh Kikuchi, Takayuki Yamada, Andrew Acreman
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Publication number: 20180192038Abstract: A reconfigurable parallax barrier panel comprising an electro-optic material has a first region, a second region and a first compensation region. First electrodes are addressable to define, in the first region of the panel, a parallax barrier array selected from a plurality of predetermined parallax barrier arrays, and second electrodes are addressable define, in the second region of the panel, independently of the first parallax barrier array, a parallax barrier array selected from the plurality of predetermined parallax barrier arrays. Electrodes of the first compensation region are addressable to define, dependent on the first parallax barrier array and on the second parallax barrier array, at least one slit and/or at least one barrier between the first region and the second region.Type: ApplicationFiled: July 14, 2016Publication date: July 5, 2018Inventors: Nathan James SMITH, Hywel HOPKIN, Takehiro MURAO, Ryoh KIKUCHI
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Patent number: 9906777Abstract: A stereoscopic display device (1) of the present invention includes a display panel (10), a switch liquid crystal panel (20), a first polarizing plate (15) and a second polarizing plate (24), and a control unit for moving a parallax barrier in which transmitting regions and non-transmitting regions are formed in periodic fashion in a predetermined alignment direction, in such a manner that the parallax barrier is moved in the predetermined alignment direction in accordance with position information, and causing the switch liquid crystal panel (20) to display the parallax barrier. A first alignment film (216) and a second alignment film (226) of the switch liquid crystal panel (20) are rubbed so that molecule long axes of liquid crystal molecules in the vicinities of the center of a liquid crystal layer (23) in the thickness direction in a state where no voltage is applied are oriented in a direction perpendicular to the alignment direction as viewed in a plan view.Type: GrantFiled: August 26, 2014Date of Patent: February 27, 2018Assignee: Sharp Kabushiki KaishaInventors: Ryoh Kikuchi, Takehiro Murao, Takuto Yoshino, Hiroshi Fukushima
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Patent number: 9874770Abstract: A display device (1) includes a display panel (10), a switch liquid crystal panel (20), and a control unit (40). The switch liquid crystal panel (20) includes a transparent electrode (2) provided in an active area (AA) on at least one of a first substrate (21) and a second substrate (22), and a metal line (3) provided outside the active area (AA) on at least one of the first substrate (21) and the second substrate (22), along four sides of the active area (AA).Type: GrantFiled: August 13, 2014Date of Patent: January 23, 2018Assignee: SHARP KABUSHIKI KAISHAInventors: Ryoh Kikuchi, Takehiro Murao, Takuto Yoshino, Hiroshi Fukushima
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Patent number: 9872013Abstract: Obtained is a configuration of a stereoscopic display device that allows a viewer to easily correct settings for stereoscopic display. A stereoscopic display device (1) includes: a display panel (10) for displaying an image; a switch liquid crystal panel (20) that is arranged so as to be stacked on the display panel (10); a position sensor for acquiring position information of a viewer; and a control unit for causing the switch liquid crystal panel (20) to display a parallax barrier in which transmitting regions and non-transmitting regions are formed in periodic fashion in a predetermined alignment direction. The control unit has, as operation modes, at least a tracking mode in which, according to the position information, the parallax barrier is moved in the alignment direction and is displayed on the switch liquid crystal panel (20), and a calibration mode for calibration of a reference position of the position information.Type: GrantFiled: August 28, 2014Date of Patent: January 16, 2018Assignee: SHARP KABUSHIKI KAISHAInventors: Takuto Yoshino, Takehiro Murao, Hiroshi Fukushima, Ryoh Kikuchi
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Patent number: 9784982Abstract: A configuration of a stereoscopic display device that is capable of maintaining crosstalk at a low level even when a viewer moves is provided. A stereoscopic display device (1) includes: a display panel (10) for displaying an image; a switch liquid crystal panel (20) that is arranged so as to be stacked on the display panel (10); a position sensor for acquiring position information of a viewer; and a control unit for moving a parallax barrier in which transmitting regions and non-transmitting regions are formed in periodic fashion in a predetermined alignment direction, in such a manner that the parallax barrier is moved in the predetermined alignment direction in accordance with the position information, and causing the switch liquid crystal panel (20) to display the parallax barrier. The switch liquid crystal panel (20) includes: a liquid crystal layer (23) in which refractive index anisotropy ?n of liquid crystal molecules is 0.Type: GrantFiled: August 20, 2014Date of Patent: October 10, 2017Assignee: SHARP KABUSHIKI KAISHAInventors: Takehiro Murao, Ryoh Kikuchi, Takuto Yoshino, Hiroshi Fukushima
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Publication number: 20170269357Abstract: Provided is a configuration of a stereoscopic display device that is capable of performing stereoscopic display in a plurality of orientations and reducing crosstalk. A stereoscopic display device (1) includes a display panel (10), a switching liquid crystal panel (20), a position sensor that acquires position information of a viewer, and a control device. The switching liquid crystal panel (20) includes a first substrate (21) and a second substrate (22); a liquid crystal layer; a plurality of first electrodes (211) arranged along a first direction at first intervals (BP1); a plurality of auxiliary electrodes (212) arranged along the first direction at the first intervals (BP1); an insulating film; and a plurality of second electrode (221) arranged along a second direction that intersects with the first direction at second intervals (BP2). The auxiliary electrodes (221) are arranged between the first electrodes (211), when viewed in a plan view.Type: ApplicationFiled: November 26, 2015Publication date: September 21, 2017Inventors: Takehiro MURAO, Ryoh KIKUCHI
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Patent number: 9599832Abstract: The objective is to provide a stereoscopic display device that can be switched among 2D display mode, 3D display mode and mirror mode. The device includes: a display panel (12); a switch liquid crystal panel (14); an absorptive polarizer (16); and a reflective polarizer (22). The switch liquid crystal panel (14) is located closer to the viewer than the display panel (12) is. The absorptive polarizer (16) is located closer to the viewer than the switch liquid crystal panel (14) is. The reflective polarizer (22) is located between the display panel (12) and the switch liquid crystal panel (14). The reflective polarizer (22) has a transmission axis (L6) perpendicular to the transmission axis (L3) of the absorptive polarizer (16) and passes those components of light entering the reflective polarizer (22) that are parallel to the transmission axis (L6) while reflecting those components that are perpendicular to the transmission axis (L6).Type: GrantFiled: December 21, 2012Date of Patent: March 21, 2017Assignee: Sharp Kabushiki KaishaInventors: Takehiro Murao, Ryoh Kikuchi, Takuto Yoshino, Hiroshi Fukushima, Tomoo Takatani
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Publication number: 20170045763Abstract: Provided is a configuration of a stereoscopic display device that can suppress light leakage in inter-wire regions and keep crosstalk to a minimum. A stereoscopic display device includes a display panel, switching liquid crystal panel, location sensor that acquires location information of a viewer, and a controller. The switching liquid crystal panel includes a first substrate and second substrate, a liquid crystal layer, a plurality of segment electrodes arranged with prescribed gaps therebetween along a first direction and each extending in a second direction orthogonal to the first direction, a first insulating film rubbed in a first rubbing direction that is at a 45° to 90° angle to the second direction, a common electrode, and a second alignment film covering the common electrode and rubbed in a second rubbing direction that is orthogonal to the first rubbing direction. The controller changes the potential of the plurality of segment electrodes in accordance with the location information of the viewer.Type: ApplicationFiled: February 26, 2015Publication date: February 16, 2017Applicant: Sharp Kabushiki KaishaInventors: Takehiro MURAO, Ryoh KIKUCHI, Takuto YOSHINO, Hiroshi FUKUSHIMA