Patents by Inventor Shuji Hagino

Shuji Hagino 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).

  • Publication number: 20240087517
    Abstract: An electronic device including a plurality of sensing pixel circuits is provided. At least one of the sensing pixel circuits includes a photoelectric sensing element, a first transistor device, a second transistor device, a third transistor device and a fourth transistor device. The fourth transistor device includes a first end, a second end and a control end. The first end of the fourth transistor device is coupled to a first end of the first transistor device. The second end of the fourth transistor device is coupled to a bias voltage. The control end of the fourth transistor device is coupled to a scan line. The fourth transistor device serves as a current sink in a pre-trap period.
    Type: Application
    Filed: September 12, 2022
    Publication date: March 14, 2024
    Applicant: Innolux Corporation
    Inventors: Yuko Furui, Akihiro Iwatsu, Shuji Hagino
  • Patent number: 11656124
    Abstract: A sensing device provided herein includes a first pixel circuit, a readout circuit, a first switch, a second switch, and a first capacitor. The readout circuit is electrically connected to the first pixel circuit. The first switch is electrically connected between the first pixel circuit and the readout circuit. The second switch is electrically connected between the first switch and the readout circuit. The first capacitor includes a first electrode electrically connected to the first switch and the second switch.
    Type: Grant
    Filed: January 26, 2022
    Date of Patent: May 23, 2023
    Assignee: INNOLUX CORPORATION
    Inventors: Yuko Furui, Akihiro Iwatsu, Shuji Hagino
  • Patent number: 11523077
    Abstract: An electronic device and a control method are provided. The electronic device includes a sensing pixel. The sensing pixel includes a photosensitive element, a first transistor, a second transistor and a third transistor. The first transistor is coupled to the photosensitive element and for receiving a reset signal. The second transistor is coupled to the photosensitive element. The third transistor is coupled to the second transistor and for receiving a scan signal. During a reset period, a reset signal waveform of the reset signal and a first scan signal waveform of the scan signal are at least partially overlapped.
    Type: Grant
    Filed: December 21, 2020
    Date of Patent: December 6, 2022
    Assignee: Innolux Corporation
    Inventors: Yuko Furui, Akihiro Iwatsu, Shuji Hagino
  • Publication number: 20220201228
    Abstract: An electronic device and a control method are provided. The electronic device includes a sensing pixel. The sensing pixel includes a photosensitive element, a first transistor, a second transistor and a third transistor. The first transistor is coupled to the photosensitive element and for receiving a reset signal. The second transistor is coupled to the photosensitive element. The third transistor is coupled to the second transistor and for receiving a scan signal. During a reset period, a reset signal waveform of the reset signal and a first scan signal waveform of the scan signal are at least partially overlapped.
    Type: Application
    Filed: December 21, 2020
    Publication date: June 23, 2022
    Applicant: Innolux Corporation
    Inventors: Yuko Furui, Akihiro Iwatsu, Shuji Hagino
  • Patent number: 11363229
    Abstract: An electronic device is provided. The electronic device includes: a substrate, a plurality of pixels, a plurality of data lines, an amplifier and a current source. The pixels and data lines are disposed on the substrate. The amplifier and the current source are coupled to one of the data lines, wherein at least a portion of the one of data lines forms a conduction path. One of the pixels is coupled to the one of the data lines at a first node, and the first node is on the first conduction path. A first current that flows from the first node to the first source terminal is different from a second current that flows from the first node to the first output terminal.
    Type: Grant
    Filed: April 27, 2021
    Date of Patent: June 14, 2022
    Assignee: INNOLUX CORPORATION
    Inventors: Yuko Furui, Akihiro Iwatsu, Shuji Hagino
  • Patent number: 9472151
    Abstract: A display panel comprises a display area, a plurality of scan lines and data lines, a data driving circuit and a demultiplexing unit. The scan lines and the data lines cross each other within the display area. At least two of the data lines have different capacitances. The data driving circuit outputs a plurality of control signal and a data signal. The demultiplexing unit includes a plurality of thin-film transistors coupled with the data driving circuit and the data lines. The thin-film transistors receive the data signal and transmit the data signal to the correspondingly coupled data lines through channel layers of the thin-film transistors according to the control signals. The channel layers of at least two of the thin-film transistors coupled with the at least two data lines have different widths.
    Type: Grant
    Filed: September 14, 2015
    Date of Patent: October 18, 2016
    Assignee: INNOLUX CORPORATION
    Inventors: Hirofumi Watsuda, Shuji Hagino
  • Publication number: 20160005371
    Abstract: A display panel comprises a display area, a plurality of scan lines and data lines, a data driving circuit and a demultiplexing unit. The scan lines and the data lines cross each other within the display area. At least two of the data lines have different capacitances. The data driving circuit outputs a plurality of control signal and a data signal. The demultiplexing unit includes a plurality of thin-film transistors coupled with the data driving circuit and the data lines. The thin-film transistors receive the data signal and transmit the data signal to the correspondingly coupled data lines through channel layers of the thin-film transistors according to the control signals. The channel layers of at least two of the thin-film transistors coupled with the at least two data lines have different widths.
    Type: Application
    Filed: September 14, 2015
    Publication date: January 7, 2016
    Inventors: Hirofumi WATSUDA, Shuji HAGINO
  • Patent number: 9190005
    Abstract: A display panel comprises a display area, a plurality of scan lines and data lines, a data driving circuit and a demultiplexing unit. The scan lines and the data lines cross each other within the display area. At least two of the data lines have different capacitances. The data driving circuit outputs a plurality of control signal and a data signal. The demultiplexing unit includes a plurality of thin-film transistors coupled with the data driving circuit and the data lines. The thin-film transistors receive the data signal and transmit the data signal to the correspondingly coupled data lines through channel layers of the thin-film transistors according to the control signals. The channel layers of at least two of the thin-film transistors coupled with the at least two data lines have different widths.
    Type: Grant
    Filed: March 5, 2014
    Date of Patent: November 17, 2015
    Assignee: INNOLUX CORPORATION
    Inventors: Hirofumi Watsuda, Shuji Hagino
  • Publication number: 20150255030
    Abstract: A display panel comprises a display area, a plurality of scan lines and data lines, a data driving circuit and a demultiplexing unit. The scan lines and the data lines cross each other within the display area. At least two of the data lines have different capacitances. The data driving circuit outputs a plurality of control signal and a data signal. The demultiplexing unit includes a plurality of thin-film transistors coupled with the data driving circuit and the data lines. The thin-film transistors receive the data signal and transmit the data signal to the correspondingly coupled data lines through channel layers of the thin-film transistors according to the control signals. The channel layers of at least two of the thin-film transistors coupled with the at least two data lines have different widths.
    Type: Application
    Filed: March 5, 2014
    Publication date: September 10, 2015
    Applicant: InnoLux Corporation
    Inventors: Hirofumi WATSUDA, Shuji HAGINO
  • Patent number: 8284122
    Abstract: The invention aims at providing a matrix addressing method and circuitry and display device, which enable power savings without as little degrading the legibility of content of an image as possible. A matrix addressing method for driving pixels arranged over a display area by signals supplied to row electrodes and column electrodes arranged to cross one another.
    Type: Grant
    Filed: May 9, 2006
    Date of Patent: October 9, 2012
    Assignee: TPO Hong Kong Holding Limited
    Inventors: Shuji Hagino, Hidetoshi Watanabe, Yuko Furui, Akihiro Iwatsu
  • Patent number: 8115880
    Abstract: A liquid crystal display (LCD) panel includes a first substrate, a second substrate, a common electrode driving circuit and a reverse gain circuit. A storage capacitor electrode is disposed on the first substrate. A common electrode is disposed on the second substrate which is disposed oppositely to the first substrate. The common electrode driving circuit is electrically connected with the common electrode and outputs a common voltage level signal to the common electrode. The reverse gain circuit is electrically connected to the storage capacitor electrode through a connecting terminal and outputs a reverse gain voltage signal to the common electrode according to a voltage signal of the storage capacitor electrode.
    Type: Grant
    Filed: April 20, 2009
    Date of Patent: February 14, 2012
    Assignee: Chimei Innolux Corporation
    Inventor: Shuji Hagino
  • Patent number: 7928948
    Abstract: The invention aims at preventing an occurrence of artefacts while reducing power consumption. A matrix addressing method for alternately driving pixels. The frame period of the images is formed by successively sequencing on a time series a plurality of block periods, the block periods each being composed of a first half block being a period for successively sequencing on a time series application timings of the pixel voltages for one or more row electrodes to be provided with one polarity, the second half block being a period for successively sequencing on a time series application timings of the pixel voltages for one or more row electrodes to be provided with the other polarity. Ones of even-numbered row electrodes and odd-numbered row electrodes in arrangement order on the display screen are selected in the first half block. The others spatially adjoining the ones are selected in the second half block.
    Type: Grant
    Filed: August 11, 2005
    Date of Patent: April 19, 2011
    Assignee: TPO Hong Kong Holdings Limited Corp.
    Inventors: Shuji Hagino, Hidetoshi Watanabe, Akihiro Iwatsu, Keitaro Yamashita
  • Publication number: 20090268115
    Abstract: A liquid crystal display (LCD) panel includes a first substrate, a second substrate, a common electrode driving circuit and a reverse gain circuit. A storage capacitor electrode is disposed on the first substrate. A common electrode is disposed on the second substrate which is disposed oppositely to the first substrate. The common electrode driving circuit is electrically connected with the common electrode and outputs a common voltage level signal to the common electrode. The reverse gain circuit is electrically connected to the storage capacitor electrode through a connecting terminal and outputs a reverse gain voltage signal to the common electrode according to a voltage signal of the storage capacitor electrode.
    Type: Application
    Filed: April 20, 2009
    Publication date: October 29, 2009
    Inventor: Shuji Hagino
  • Publication number: 20090213042
    Abstract: The invention aims at providing a matrix addressing method and circuitry and display device, which enable power savings without as little degrading the legibility of content of an image as possible. A matrix addressing method for driving pixels arranged over a display area by signals supplied to row electrodes and column electrodes arranged to cross one another.
    Type: Application
    Filed: May 9, 2006
    Publication date: August 27, 2009
    Applicant: TPO HONG KONG HOLDING LIMITED
    Inventors: Shuji Hagino, Hidetoshi Watanabe, Yuko Furui, Akihiro Iwatsu
  • Patent number: 7492360
    Abstract: An image display device having a voltage supplying device generating a first changing voltage for setting a transistor to an on-state and a second changing voltage for setting a transistor to an off-state to operate so as to establish a first supply mode, a second supply mode and a third supply mode to a plurality of gate buses for determining the corrected common electrode voltage.
    Type: Grant
    Filed: August 28, 2003
    Date of Patent: February 17, 2009
    Assignee: TPO Hong Kong Holding Limited
    Inventors: Masakatsu Yamashita, Shuji Hagino, Masaru Yasui
  • Publication number: 20070247478
    Abstract: The invention aims at preventing an occurrence of artefacts while reducing power consumption. A matrix addressing method for alternately driving pixels. The frame period of the images is formed by successively sequencing on a time series a plurality of block periods, the block periods each being composed of a first half block being a period for successively sequencing on a time series application timings of the pixel voltages for one or more row electrodes to be provided with one polarity, the second half block being a period for successively sequencing on a time series application timings of the pixel voltages for one or more row electrodes to be provided with the other polarity. Ones of even-numbered row electrodes and odd-numbered row electrodes in arrangement order on the display screen are selected in the first half block. The others spatially adjoining the ones are selected in the second half block.
    Type: Application
    Filed: August 11, 2005
    Publication date: October 25, 2007
    Applicant: TPO HONG KONG HOLDING LIMITED CORP.
    Inventors: Shuji Hagino, Hidetoshi Watanabe, Akihiro Iwatsu, Keitaro Yamashita
  • Publication number: 20070097152
    Abstract: The present invention provides a driving circuit capable of reducing power consumption in an amplifier for outputting a target voltage. A driving circuit for driving a capacitive load Ccol of a display device, comprising: driving signal supplying means (10) for supplying a driving signal Vin having a target voltage to be applied; an amplifying stage (20) for receiving the driving signal Vin and selectively outputting the driving signal Vin to the capacitive load Ccol; and a pair of current sources Ipcp, Ipcn for selectively supplying a positive current and a negative current to the capacitive load Ccol, respectively during their on-states. The driving circuit repeats a repetitive operation including a pre-operation where any one of the current sources Ipcp, Ipcn is switched ON in accordance with the driving signal Vin and then switched OFF and a post-operation where the amplifying stage (20) is switched to a state for outputting the driving signal Vin to the capacitive load Ccol after the pre-operation.
    Type: Application
    Filed: December 6, 2004
    Publication date: May 3, 2007
    Applicant: KONINKLIJKE PHILIPS ELECTRONIC, N.V.
    Inventors: Shuji Hagino, Martin Herrmann, Marko Radovic, Eckart Rzittka
  • Publication number: 20070052641
    Abstract: An object of the invention is to provide the miniaturized gray scale voltage outputting device.
    Type: Application
    Filed: December 22, 2003
    Publication date: March 8, 2007
    Applicant: KONINKLIJKE PHILIPS ELECTRONICS N.V.
    Inventors: Shuji Hagino, Masaru Yasui
  • Patent number: 7158108
    Abstract: Column electrode driving circuit for a display device which reduces power consumption arid is capable of gray-scale displaying. The driving circuit include a gray-scale voltage producing system including amplifiers whose inputs are applied with a plurality of gray-scale voltages, respectively, and a selecting system for selecting and outputting any of output signals of the amplifiers for each pixel or each predetermined displayed unit in accordance with an image signal indicative of a gray-scale level for the pixel or displayed unit. The gray-scale voltage producing system causes any amplifiers of the amplifiers, which correspond to a predetermined number of predetermined gray scale levels, to be powered off and causing the other amplifiers to be powered on during a predetermined mode, the selecting system select any of output signals of the amplifiers powered on during the predetermined mode. A further construction based on potential divider circuits is also disclosed.
    Type: Grant
    Filed: November 29, 2002
    Date of Patent: January 2, 2007
    Assignee: Koninklijke Philips Electronics, N.V.
    Inventor: Shuji Hagino
  • Publication number: 20060007193
    Abstract: An object of the invention is to provide a image display device in which the component cost and the equipment cost are reduced and a voltage level of a common electrode is easily adjustable to an optimum level.
    Type: Application
    Filed: August 28, 2003
    Publication date: January 12, 2006
    Inventors: Masakatsu Yamashita, Shuji Hagino, Masaru Yasui