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).
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Publication number: 20240087517Abstract: 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: ApplicationFiled: September 12, 2022Publication date: March 14, 2024Applicant: Innolux CorporationInventors: Yuko Furui, Akihiro Iwatsu, Shuji Hagino
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Patent number: 11656124Abstract: 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: GrantFiled: January 26, 2022Date of Patent: May 23, 2023Assignee: INNOLUX CORPORATIONInventors: Yuko Furui, Akihiro Iwatsu, Shuji Hagino
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Patent number: 11523077Abstract: 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: GrantFiled: December 21, 2020Date of Patent: December 6, 2022Assignee: Innolux CorporationInventors: Yuko Furui, Akihiro Iwatsu, Shuji Hagino
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Publication number: 20220201228Abstract: 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: ApplicationFiled: December 21, 2020Publication date: June 23, 2022Applicant: Innolux CorporationInventors: Yuko Furui, Akihiro Iwatsu, Shuji Hagino
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Patent number: 11363229Abstract: 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: GrantFiled: April 27, 2021Date of Patent: June 14, 2022Assignee: INNOLUX CORPORATIONInventors: Yuko Furui, Akihiro Iwatsu, Shuji Hagino
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Patent number: 9472151Abstract: 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: GrantFiled: September 14, 2015Date of Patent: October 18, 2016Assignee: INNOLUX CORPORATIONInventors: Hirofumi Watsuda, Shuji Hagino
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Publication number: 20160005371Abstract: 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: ApplicationFiled: September 14, 2015Publication date: January 7, 2016Inventors: Hirofumi WATSUDA, Shuji HAGINO
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Patent number: 9190005Abstract: 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: GrantFiled: March 5, 2014Date of Patent: November 17, 2015Assignee: INNOLUX CORPORATIONInventors: Hirofumi Watsuda, Shuji Hagino
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Publication number: 20150255030Abstract: 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: ApplicationFiled: March 5, 2014Publication date: September 10, 2015Applicant: InnoLux CorporationInventors: Hirofumi WATSUDA, Shuji HAGINO
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Patent number: 8284122Abstract: 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: GrantFiled: May 9, 2006Date of Patent: October 9, 2012Assignee: TPO Hong Kong Holding LimitedInventors: Shuji Hagino, Hidetoshi Watanabe, Yuko Furui, Akihiro Iwatsu
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Patent number: 8115880Abstract: 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: GrantFiled: April 20, 2009Date of Patent: February 14, 2012Assignee: Chimei Innolux CorporationInventor: Shuji Hagino
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Patent number: 7928948Abstract: 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: GrantFiled: August 11, 2005Date of Patent: April 19, 2011Assignee: TPO Hong Kong Holdings Limited Corp.Inventors: Shuji Hagino, Hidetoshi Watanabe, Akihiro Iwatsu, Keitaro Yamashita
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Publication number: 20090268115Abstract: 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: ApplicationFiled: April 20, 2009Publication date: October 29, 2009Inventor: Shuji Hagino
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Publication number: 20090213042Abstract: 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: ApplicationFiled: May 9, 2006Publication date: August 27, 2009Applicant: TPO HONG KONG HOLDING LIMITEDInventors: Shuji Hagino, Hidetoshi Watanabe, Yuko Furui, Akihiro Iwatsu
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Patent number: 7492360Abstract: 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: GrantFiled: August 28, 2003Date of Patent: February 17, 2009Assignee: TPO Hong Kong Holding LimitedInventors: Masakatsu Yamashita, Shuji Hagino, Masaru Yasui
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Publication number: 20070247478Abstract: 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: ApplicationFiled: August 11, 2005Publication date: October 25, 2007Applicant: TPO HONG KONG HOLDING LIMITED CORP.Inventors: Shuji Hagino, Hidetoshi Watanabe, Akihiro Iwatsu, Keitaro Yamashita
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Publication number: 20070097152Abstract: 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: ApplicationFiled: December 6, 2004Publication date: May 3, 2007Applicant: KONINKLIJKE PHILIPS ELECTRONIC, N.V.Inventors: Shuji Hagino, Martin Herrmann, Marko Radovic, Eckart Rzittka
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Publication number: 20070052641Abstract: An object of the invention is to provide the miniaturized gray scale voltage outputting device.Type: ApplicationFiled: December 22, 2003Publication date: March 8, 2007Applicant: KONINKLIJKE PHILIPS ELECTRONICS N.V.Inventors: Shuji Hagino, Masaru Yasui
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Patent number: 7158108Abstract: 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: GrantFiled: November 29, 2002Date of Patent: January 2, 2007Assignee: Koninklijke Philips Electronics, N.V.Inventor: Shuji Hagino
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Publication number: 20060007193Abstract: 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: ApplicationFiled: August 28, 2003Publication date: January 12, 2006Inventors: Masakatsu Yamashita, Shuji Hagino, Masaru Yasui