Patents by Inventor Akinori Kubota
Akinori Kubota 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: 11843022Abstract: An X-ray imaging panel includes: a photodiode that converts scintillation light that is obtained from an X-ray that passes through an object into a signal; a first thin-film transistor; a first insulating film that covers at least a part of the first thin-film transistor and that has a first opening above the first thin-film transistor; a lower electrode that is disposed below the photodiode, that covers at least a part of the first insulating film, that is formed in the first opening of the first insulating film, and that is connected to the first thin-film transistor in the first opening; and a second insulating film that is disposed above the lower electrode and that is formed in the first opening. The photodiode covers the first opening in which the second insulating film is formed, and the photodiode is connected to the lower electrode.Type: GrantFiled: November 29, 2021Date of Patent: December 12, 2023Assignee: SHARP KABUSHIKI KAISHAInventors: Rikiya Takita, Akinori Kubota, Hiroyuki Moriwaki, Makoto Nakazawa
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Publication number: 20230314633Abstract: A radiation detection module includes an active matrix substrate and a scintillator. The active matrix substrate includes a support substrate including a first main surface, the first main surface including a first region and a second region surrounding the first region, and a plurality of pixels one-dimensionally or two-dimensionally arrayed in the first region of the first main surface, the plurality of pixels each of which includes a switching element and a photoelectric conversion element electrically connected to the switching element. The scintillator covers the photoelectric conversion elements of the plurality of pixels. A thickness of the support substrate in the first region is smaller than a thickness in the second region.Type: ApplicationFiled: March 29, 2023Publication date: October 5, 2023Inventors: Wataru NAKAMURA, Akinori KUBOTA, Yu NAKAMURA
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Patent number: 11754728Abstract: An X-ray imaging apparatus includes an X-ray source, an X-ray imaging panel, and a controller. The controller includes an image processing unit that generates an inspection image in accordance with a data signal read from a thin-film transistor with the thin-film transistor supplied with a gate signal, a detection control unit that detects a dark-spot pixel from the inspection image, and a threshold correction unit that applies, to a gate of the thin-film transistor corresponding to the dark-spot pixel, a positive shift voltage that raises a gate-off threshold voltage of the thin-film transistor.Type: GrantFiled: June 2, 2022Date of Patent: September 12, 2023Assignee: SHARP DISPLAY TECHNOLOGY CORPORATIONInventors: Kohzoh Takahashi, Akinori Kubota
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Publication number: 20220390626Abstract: An X-ray imaging apparatus includes an X-ray source, an X-ray imaging panel, and a controller. The controller includes an image processing unit that generates an inspection image in accordance with a data signal read from a thin-film transistor with the thin-film transistor supplied with a gate signal, a detection control unit that detects a dark-spot pixel from the inspection image, and a threshold correction unit that applies, to a gate of the thin-film transistor corresponding to the dark-spot pixel, a positive shift voltage that raises a gate-off threshold voltage of the thin-film transistor.Type: ApplicationFiled: June 2, 2022Publication date: December 8, 2022Inventors: Kohzoh TAKAHASHI, Akinori KUBOTA
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Patent number: 11488992Abstract: An active matrix substrate includes a pixel region including a plurality of pixels over a substrate and a frame region outside the pixel region. In the plurality of pixels, a plurality of photoelectric conversion elements are provided. In the frame region, an antistatic hole is provided. The pixel region and a portion of the frame region are covered with an insulating film, and the antistatic hole is bored through the insulating film. An antistatic wire is provided in the frame region so as to surround the pixel region, and has a surface exposed in the antistatic hole.Type: GrantFiled: July 8, 2020Date of Patent: November 1, 2022Assignee: SHARP KABUSHIKI KAISHAInventors: Rikiya Takita, Akinori Kubota, Fumiki Nakano
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Patent number: 11462644Abstract: A TFT module includes TFTs; gate bus lines; a plurality of source bus lines; unit electrodes connected with the source bus lines via the TFTs; a gate driver configured to supply a scan signal from a first end of the gate bus lines and a source driver configured to supply a data signal from a first end of the source bus lines, the gate driver and the source driver being provided in a second region lying around a first region in which the unit electrodes are provided; current sensing circuits provided in the second region; and feedback lines. Each of the feedback lines is connected with a corresponding current sensing circuit and with a second end of a corresponding source bus line or gate bus line, the second end being opposite to the first end.Type: GrantFiled: August 2, 2018Date of Patent: October 4, 2022Assignee: SHARP KABUSHIKI KAISHAInventors: Masashi Otsubo, Akio Takahashi, Akinori Kubota
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Publication number: 20220181379Abstract: An X-ray imaging panel includes: a photodiode that converts scintillation light that is obtained from an X-ray that passes through an object into a signal; a first thin-film transistor; a first insulating film that covers at least a part of the first thin-film transistor and that has a first opening above the first thin-film transistor; a lower electrode that is disposed below the photodiode, that covers at least a part of the first insulating film, that is formed in the first opening of the first insulating film, and that is connected to the first thin-film transistor in the first opening; and a second insulating film that is disposed above the lower electrode and that is formed in the first opening. The photodiode covers the first opening in which the second insulating film is formed, and the photodiode is connected to the lower electrode.Type: ApplicationFiled: November 29, 2021Publication date: June 9, 2022Inventors: RIKIYA TAKITA, AKINORI KUBOTA, HIROYUKI MORIWAKI, MAKOTO NAKAZAWA
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Patent number: 11139651Abstract: An imaging panel includes multiple photoelectric conversion elements respectively mounted in multiple pixels defined by multiple gate lines and data lines formed on a substrate. The imaging panel further includes, outside pixel regions defined by the pixels, multiple first non-linear elements respectively connected to the data lines, multiple first protective wiring respectively connected to the data lines, and a first common wiring connected to the first non-linear elements. Each of the first non-linear elements is connected in a reverse-biased state between the data line connected to the first non-linear element and the first common wiring. Each of the first protective wiring extends to the edge of the substrate.Type: GrantFiled: March 26, 2020Date of Patent: October 5, 2021Assignee: SHARP KABUSHIKI KAISHAInventors: Hiroyuki Moriwaki, Makoto Nakazawa, Akinori Kubota, Fumiki Nakano
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Patent number: 11018439Abstract: A scanned antenna according to an embodiment includes a plurality of first antenna elements and a plurality of second antenna elements. The first antenna elements are driven by a gate driver connected to a plurality of first gate bus lines and a first source driver connected to a plurality of first source bus lines. The second antenna elements are driven by a gate driver connected to a plurality of second gate bus lines and a second source driver connected to a plurality of second source bus lines. The gate driver and the gate driver operate independently of each other, and the first source driver and the second source driver operate independently of each other.Type: GrantFiled: November 5, 2018Date of Patent: May 25, 2021Assignee: SHARP KABUSHIKI KAISHAInventors: Masashi Otsubo, Yoshinobu Hirayama, Akinori Kubota
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Publication number: 20210013251Abstract: An active matrix substrate includes a pixel region including a plurality of pixels over a substrate and a frame region outside the pixel region. In the plurality of pixels, a plurality of photoelectric conversion elements are provided. In the frame region, an antistatic hole is provided. The pixel region and a portion of the frame region are covered with an insulating film, and the antistatic hole is bored through the insulating film. An antistatic wire is provided in the frame region so as to surround the pixel region, and has a surface exposed in the antistatic hole.Type: ApplicationFiled: July 8, 2020Publication date: January 14, 2021Inventors: RIKIYA TAKITA, AKINORI KUBOTA, FUMIKI NAKANO
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Publication number: 20200313429Abstract: An imaging panel includes multiple photoelectric conversion elements respectively mounted in multiple pixels defined by multiple gate lines and data lines formed on a substrate. The imaging panel further includes, outside pixel regions defined by the pixels, multiple first non-linear elements respectively connected to the data lines, multiple first protective wiring respectively connected to the data lines, and a first common wiring connected to the first non-linear elements. Each of the first non-linear elements is connected in a reverse-biased state between the data line connected to the first non-linear element and the first common wiring. Each of the first protective wiring extends to the edge of the substrate.Type: ApplicationFiled: March 26, 2020Publication date: October 1, 2020Inventors: HIROYUKI MORIWAKI, MAKOTO NAKAZAWA, AKINORI KUBOTA, FUMIKI NAKANO
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Publication number: 20200168746Abstract: A TFT module 101 includes: a substrate; a plurality of TFTs (10); a plurality of gate bus lines (GL); a plurality of source bus lines (SL); a plurality of unit electrodes (UE) connected with the source bus lines via the TFTs; a gate driver (GD) configured to supply a scan signal from a first end of the plurality of gate bus lines and a source driver (SD) configured to supply a data signal from a first end of the plurality of source bus lines, the gate driver and the source driver being provided in a second region (R2) lying around a first region in which the plurality of unit electrodes (UE) are provided; a plurality of current sensing circuits (SC) provided in the second region; and a plurality of feedback lines (FBL). Each of the feedback lines is connected with a corresponding current sensing circuit and with a second end of a corresponding source bus line or gate bus line, the second end being opposite to the first end.Type: ApplicationFiled: August 2, 2018Publication date: May 28, 2020Inventors: Masashi OTSUBO, Akio TAKAHASHI, Akinori KUBOTA
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Patent number: 10504888Abstract: Provided is a technique of image pickup without being affected by leakage current on an active matrix substrate that includes photoelectric conversion elements. An active matrix substrate 1 includes photoelectric conversion elements that are respectively provided with respect to a plurality of pixels defined by gate lines and data lines 10, and a bias line 13 supplying a bias voltage to each photoelectric conversion element. Further, the active matrix substrate 1 further includes a plurality of data protection circuit units 16a that are connected with the data lines 10, respectively, and a first common line 17a that is connected with the data protection circuits 16a and has a potential equal to or lower than those of the data lines 10, outside the image pickup area composed of a plurality of pixels.Type: GrantFiled: September 28, 2018Date of Patent: December 10, 2019Assignee: SHARP KABUSHIKI KAISHAInventors: Hiroyuki Moriwaki, Akinori Kubota, Fumiki Nakano, Wataru Nakamura
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Publication number: 20190140363Abstract: A scanned antenna according to an embodiment includes a plurality of first antenna elements and a plurality of second antenna elements. The first antenna elements are driven by a gate driver connected to a plurality of first gate bus lines and a first source driver connected to a plurality of first source bus lines. The second antenna elements are driven by a gate driver connected to a plurality of second gate bus lines and a second source driver connected to a plurality of second source bus lines. The gate driver and the gate driver operate independently of each other, and the first source driver and the second source driver operate independently of each other.Type: ApplicationFiled: November 5, 2018Publication date: May 9, 2019Inventors: MASASHI OTSUBO, YOSHINOBU HIRAYAMA, AKINORI KUBOTA
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Publication number: 20190096876Abstract: Provided is a technique of image pickup without being affected by leakage current on an active matrix substrate that includes photoelectric conversion elements. An active matrix substrate 1 includes photoelectric conversion elements that are respectively provided with respect to a plurality of pixels defined by gate lines and data lines 10, and a bias line 13 supplying a bias voltage to each photoelectric conversion element. Further, the active matrix substrate 1 further includes a plurality of data protection circuit units 16a that are connected with the data lines 10, respectively, and a first common line 17a that is connected with the data protection circuits 16a and has a potential equal to or lower than those of the data lines 10, outside the image pickup area composed of a plurality of pixels.Type: ApplicationFiled: September 28, 2018Publication date: March 28, 2019Inventors: HIROYUKI MORIWAKI, AKINORI KUBOTA, FUMIKI NAKANO, WATARU NAKAMURA
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Patent number: 9213456Abstract: The source driver (20) of the present invention substantially evenly divides one (1) horizontal scanning period into sub-periods the number of which is equal to or larger than a multiple of the number of the primary colors. In each of sub-periods (i) which are among all the sub-periods and (ii) the number of which is identical with the multiple, a source signal is supplied to source lines (i) which are connected with pixels for displaying a certain primary color and (ii) the number of which is obtained by dividing a total number of the plurality of source lines by the multiple.Type: GrantFiled: January 13, 2012Date of Patent: December 15, 2015Assignee: SHARP KABUSHIKI KAISHAInventors: Akizumi Fujioka, Mikihiro Noma, Akinori Kubota, Kohji Ogata
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Patent number: 9041636Abstract: A liquid crystal display devices (1a, 1b) each include a touch panel (2), a liquid crystal panel (3), a touch panel controller (4), a liquid crystal driving controller (timing generator) (5), oscillation circuits (7a, 7b), a correcting circuit (10), and a frequency counter (11). The frequency counter (11) counts a reference clock signal CLK supplied from the oscillation circuit (7a) or (7b). The correcting circuit (10) determines, in accordance with information supplied from the frequency counter (11), whether or not a frequency of the reference clock signal CLK is a predetermined frequency. In a case where the frequency of the reference clock signal CLK is not the predetermined frequency, the correcting circuit (10) corrects (i) a frequency at which the liquid crystal panel (3) is driven or (ii) a frequency at which sensing of the touch panel (2) is carried out.Type: GrantFiled: January 10, 2012Date of Patent: May 26, 2015Assignee: Sharp Kabushiki KaishaInventors: Akizumi Fujioka, Akinori Kubota
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Publication number: 20130293515Abstract: The source driver (20) of the present invention substantially evenly divides one (1) horizontal scanning period into sub-periods the number of which is equal to or larger than a multiple of the number of the primary colors. In each of sub-periods (i) which are among all the sub-periods and (ii) the number of which is identical with the multiple, a source signal is supplied to source lines (i) which are connected with pixels for displaying a certain primary color and (ii) the number of which is obtained by dividing a total number of the plurality of source lines by the multiple.Type: ApplicationFiled: January 13, 2012Publication date: November 7, 2013Applicant: SHARP KABUSHIKI KAISHAInventors: Akizumi Fujioka, Mikihiro Noma, Akinori Kubota, Kohji Ogata
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Publication number: 20130286302Abstract: A liquid crystal display devices (1a, 1b) each include a touch panel (2), a liquid crystal panel (3), a touch panel controller (4), a liquid crystal driving controller (timing generator) (5), oscillation circuits (7a, 7b), a correcting circuit (10), and a frequency counter (11). The frequency counter (11) counts a reference clock signal CLK supplied from the oscillation circuit (7a) or (7b). The correcting circuit (10) determines, in accordance with information supplied from the frequency counter (11), whether or not a frequency of the reference clock signal CLK is a predetermined frequency. In a case where the frequency of the reference clock signal CLK is not the predetermined frequency, the correcting circuit (10) corrects (i) a frequency at which the liquid crystal panel (3) is driven or (ii) a frequency at which sensing of the touch panel (2) is carried out.Type: ApplicationFiled: January 10, 2012Publication date: October 31, 2013Applicant: SHARP KABUSHIKI KAISHAInventors: Akizumi Fujioka, Akinori Kubota
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Publication number: 20130162918Abstract: A display device includes a display panel, a touch panel arranged on a display surface side of the display panel, a switching liquid crystal panel including a parallax barrier that enables three-dimension display, a common board that is commonly used as a base board of the touch panel and a base board of the switching liquid crystal panel, a plurality of electrodes provided on the common board and used for the touch panel and the switching liquid crystal panel, and a drive circuit configured to apply a synthesized signal to some of the electrodes. The synthesized signal is configured by synthesizing a touch panel drive signal and a switching liquid crystal drive signal.Type: ApplicationFiled: September 6, 2011Publication date: June 27, 2013Inventors: Masashi Mayumi, Akinori Kubota, Hiroshi Hamada, Mikihiro Noma