Patents by Inventor Yasuyuki Teranishi

Yasuyuki Teranishi 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: 20230004249
    Abstract: A display device includes a substrate, first electrodes, second electrodes, and a driver. The first electrodes are disposed in a matrix (row-column configuration) in a display region of the substrate. The second electrodes are disposed in a peripheral region on the outside of the display region of the substrate. The driver supplies a drive signal to the first electrodes and the second electrodes. The first electrodes output detection signals corresponding to self-capacitance changes in the first electrodes. The second electrodes output detection signals corresponding to self-capacitance changes in the second electrodes.
    Type: Application
    Filed: September 9, 2022
    Publication date: January 5, 2023
    Inventors: Yasuyuki TERANISHI, Gen KOIDE
  • Publication number: 20220413646
    Abstract: A touch detection device is provided and includes a plurality of driving electrodes for detecting an external proximity object in a detection area; a first driving circuit to drive the plurality of driving electrodes; and a second driving circuit to drive the plurality of driving electrodes, wherein the first driving circuit and the second driving circuit sandwich the detection area in a plan view.
    Type: Application
    Filed: August 26, 2022
    Publication date: December 29, 2022
    Inventors: Daisuke ITO, Hiroshi MIZUHASHI, Makoto HAYASHI, Yasuyuki TERANISHI, Tadayoshi KATSUTA
  • Patent number: 11520426
    Abstract: A detection apparatus is provided and includes touch detection surface serving as detection region having two dimensions; first electrodes arranged in first and second directions in the two dimensions; and connection lines connected to first electrodes in one-to-one manner and connected to signal output unit, base electrode opposed to first electrodes with predetermined gap there between, electrode driver configured to provide drive signal and force signal to first electrodes, wherein signal output unit is configured to output first signal indicating position where touch operation has been performed when drive signal is provided to first electrodes, first signal being represented by self-capacitances of first electrodes, and to output second signal indicating force that is applied to detection region when force signal is provided to first electrodes and that brings first electrodes close to base electrode, second signal is signal based on electrostatic capacitances obtained by individual detection, and indivi
    Type: Grant
    Filed: October 29, 2021
    Date of Patent: December 6, 2022
    Assignee: Japan Display Inc.
    Inventors: Hayato Kurasawa, Yasuyuki Teranishi
  • Patent number: 11474629
    Abstract: A display device includes a substrate, first electrodes, second electrodes, and a driver. The first electrodes are disposed in a matrix (row-column configuration) in a display region of the substrate. The second electrodes are disposed in a peripheral region on the outside of the display region of the substrate. The driver supplies a drive signal to the first electrodes and the second electrodes. The first electrodes output detection signals corresponding to self-capacitance changes in the first electrodes. The second electrodes output detection signals corresponding to self-capacitance changes in the second electrodes.
    Type: Grant
    Filed: July 9, 2020
    Date of Patent: October 18, 2022
    Assignee: Japan Display Inc.
    Inventors: Yasuyuki Teranishi, Gen Koide
  • Patent number: 11429212
    Abstract: A touch detection device is provided and includes driving electrodes for detecting an external proximity object, extending in first direction and arranged in second direction; first voltage line extending in second direction; second voltage line extending in second direction; third voltage line extending in second direction, third voltage line being narrower in than first voltage line and second voltage line in width; and switching circuit for electrically connecting driving electrodes and first voltage line, second voltage line, or third voltage line.
    Type: Grant
    Filed: September 18, 2020
    Date of Patent: August 30, 2022
    Assignee: Japan Display Inc.
    Inventors: Daisuke Ito, Hiroshi Mizuhashi, Makoto Hayashi, Yasuyuki Teranishi, Tadayoshi Katsuta
  • Publication number: 20220050573
    Abstract: A detection apparatus is provided and includes touch detection surface serving as detection region having two dimensions; first electrodes arranged in first and second directions in the two dimensions; and connection lines connected to first electrodes in one-to-one manner and connected to signal output unit, base electrode opposed to first electrodes with predetermined gap there between, electrode driver configured to provide drive signal and force signal to first electrodes, wherein signal output unit is configured to output first signal indicating position where touch operation has been performed when drive signal is provided to first electrodes, first signal being represented by self-capacitances of first electrodes, and to output second signal indicating force that is applied to detection region when force signal is provided to first electrodes and that brings first electrodes close to base electrode, second signal is signal based on electrostatic capacitances obtained by individual detection, and indivi
    Type: Application
    Filed: October 29, 2021
    Publication date: February 17, 2022
    Inventors: Hayato KURASAWA, Yasuyuki TERANISHI
  • Publication number: 20220043536
    Abstract: A noise immunity of a detected capacitance is prevented or inhibited from lowering on a driving electrode different in width from the other driving electrodes, provided in an input device. A touch panel serving as an input device has a plurality of driving electrodes extending in an X-axis direction and arranged in a Y-axis direction intersecting with the X-axis direction, and a driving electrode arranged outside one side of an arrangement of the driving electrodes and extending in the X-axis direction. Further, the touch panel TP1 has a plurality of detecting electrodes extending in the Y-axis direction and arranged in the X-axis direction. The width of the driving electrode is smaller than the widths of the driving electrodes and the detecting electrode includes an expanding portion for expanding the area of the detecting electrode on the side opposite to the plurality of driving electrodes via the driving electrode.
    Type: Application
    Filed: October 22, 2021
    Publication date: February 10, 2022
    Inventors: Yasuyuki TERANISHI, Takafumi SUZUKI, Kohei AZUMI
  • Patent number: 11243628
    Abstract: According to one embodiment, a sensor-equipped display device includes first electrodes and a detection electrode. The first electrodes constitute sensor drive electrodes by being supplied with sensor drive signals separately and sequentially or sensor drive electrodes by simultaneously supplying the sensor drive signals to the first electrodes adjacent to each other. A width of the sensor drive electrode including the first electrode on the edge is smaller than a width of the other sensor drive electrode not including the first electrode on the edge.
    Type: Grant
    Filed: September 10, 2020
    Date of Patent: February 8, 2022
    Assignee: Japan Display Inc.
    Inventors: Hayato Kurasawa, Yasuyuki Teranishi, Hiroshi Mizuhashi, Koji Ishizaki, Daisuke Ito
  • Publication number: 20220036825
    Abstract: Provided are a pixel circuit and a pixel control method capable of quickly controlling pixels with a simpler configuration of a combination of a photosensor and an image sensor. The pixel circuit includes a photosensor, and a dual gate transistor having a first gate connected to a first terminal of the photosensor, and a second gate connected to a pixel unit drive circuit, and a bias electrode connected to a second terminal of the photosensor. The dual gate transistor operates as a switch of the pixel unit drive circuit and an amplifier of the photosensor. A pulse level of the second gate is adaptively controlled.
    Type: Application
    Filed: October 15, 2021
    Publication date: February 3, 2022
    Inventors: Yasuyuki TERANISHI, Masafumi MATSUI, Kenichi TAKATORI
  • Patent number: 11182034
    Abstract: A noise immunity of a detected capacitance is prevented or inhibited from lowering on a driving electrode different in width from the other driving electrodes, provided in an input device. A touch panel serving as an input device has a plurality of driving electrodes extending in an X-axis direction and arranged in a Y-axis direction intersecting with the X-axis direction, and a driving electrode arranged outside one side of an arrangement of the driving electrodes and extending in the X-axis direction. Further, the touch panel TP1 has a plurality of detecting electrodes extending in the Y-axis direction and arranged in the X-axis direction. The width of the driving electrode is smaller than the widths of the driving electrodes and the detecting electrode includes an expanding portion for expanding the area of the detecting electrode on the side opposite to the plurality of driving electrodes via the driving electrode.
    Type: Grant
    Filed: September 14, 2020
    Date of Patent: November 23, 2021
    Assignee: Japan Display Inc.
    Inventors: Yasuyuki Teranishi, Takafumi Suzuki, Kohei Azumi
  • Patent number: 11169636
    Abstract: A detection apparatus is provided including a touch detection surface serving as a detection region having two dimensions; and first electrode components including divided electrodes arranged in the touch detection surface, first connection lines connected to one of the divided electrodes on a one-to-one basis, and a detection unit configured to output a detection signal to the divided electrodes via the first connection lines, wherein the first connection lines has a first switch between a corresponding one of the divided electrodes and the detection unit, in each of the first electrode components, the first connection lines are connected to each other between the first switches and the detection unit, and in each of the first electrode components, the divided electrodes function as one first electrode when all the first switches are closed.
    Type: Grant
    Filed: February 21, 2020
    Date of Patent: November 9, 2021
    Assignee: Japan Display Inc.
    Inventors: Hayato Kurasawa, Yasuyuki Teranishi
  • Patent number: 11169639
    Abstract: A display device is provided and includes a substrate; pixel electrode on the substrate; a signal line coupled to the pixel electrode; a plurality of drive electrodes including a first drive electrode overlapping the signal line; a drive signal line configured to supply a drive signal to the first drive electrode; and a drive electrode switch connecting the drive signal line and the first drive electrode, wherein during a touch detection period, the drive electrode switch is closed to apply the drive signal to the first drive electrode.
    Type: Grant
    Filed: December 22, 2020
    Date of Patent: November 9, 2021
    Assignee: Japan Display Inc.
    Inventors: Yoshitoshi Kida, Koji Noguchi, Yasuyuki Teranishi, Hiroshi Mizuhashi, Kohei Azumi
  • Publication number: 20210294453
    Abstract: A touch panel, a display panel, and a display unit achieving prevention of erroneous detection caused by external noise. The touch panel includes: a plurality of detection scan electrodes extending in a first direction and a plurality of detection electrodes facing the plurality of detection scan electrodes and extending in a second direction which intersects the first direction. A ratio of fringe capacitance to total capacitance between one or more selected detection scan electrodes and a first detection electrode is different from a ratio of fringe capacitance to total capacitance between the one or more selected detection scan electrodes and a second detection electrode. The one or more selected detection scan electrodes are selected, in a desired unit, from the plurality of detection scan electrodes, to be supplied with a selection pulse, and each of the first and the second detection electrodes is selected from the plurality of detection electrodes.
    Type: Application
    Filed: June 4, 2021
    Publication date: September 23, 2021
    Applicant: Japan Display Inc.
    Inventors: Takayuki Nakanishi, Koji Noguchi, Koji Ishizaki, Yasuyuki Teranishi, Takeya Takeuchi
  • Patent number: 11112916
    Abstract: A display device is provided and includes display panel including display region; and detection device, wherein detection device includes: detection electrodes arrayed in sensor region of substrate and provided in region overlapping display region; drive circuit wires coupled to detection electrodes, extending in second direction, and disposed side by side in first direction; analog front ends each configured to receive at least one detection signal corresponding to capacitance change in at least one of detection electrodes caused when drive signals are supplied; multiplexer capable of changing number of wires simultaneously coupled to one of analog front ends; and control circuit configured to control multiplexer, and control circuit changes number of detection electrodes simultaneously coupled to one of analog front ends depending on distance between target object and detection electrodes in third direction intersecting first and second directions.
    Type: Grant
    Filed: July 24, 2020
    Date of Patent: September 7, 2021
    Assignee: Japan Display Inc.
    Inventor: Yasuyuki Teranishi
  • Patent number: 11029794
    Abstract: A touch panel, a display panel, and a display unit achieving prevention of erroneous detection caused by external noise. The touch panel includes: a plurality of detection scan electrodes extending in a first direction and a plurality of detection electrodes facing the plurality of detection scan electrodes and extending in a second direction which intersects the first direction. A ratio of fringe capacitance to total capacitance between one or more selected detection scan electrodes and a first detection electrode is different from a ratio of fringe capacitance to total capacitance between the one or more selected detection scan electrodes and a second detection electrode. The one or more selected detection scan electrodes are selected, in a desired unit, from the plurality of detection scan electrodes, to be supplied with a selection pulse, and each of the first and the second detection electrodes is selected from the plurality of detection electrodes.
    Type: Grant
    Filed: October 22, 2018
    Date of Patent: June 8, 2021
    Assignee: JAPAN DISPLAY INC.
    Inventors: Takayuki Nakanishi, Koji Noguchi, Koji Ishizaki, Yasuyuki Teranishi, Takeya Takeuchi
  • Publication number: 20210109614
    Abstract: A display device is provided and includes a substrate; pixel electrode on the substrate; a signal line coupled to the pixel electrode; a plurality of drive electrodes including a first drive electrode overlapping the signal line; a drive signal line configured to supply a drive signal to the first drive electrode; and a drive electrode switch connecting the drive signal line and the first drive electrode, wherein during a touch detection period, the drive electrode switch is closed to apply the drive signal to the first drive electrode.
    Type: Application
    Filed: December 22, 2020
    Publication date: April 15, 2021
    Inventors: Yoshitoshi KIDA, Koji NOGUCHI, Yasuyuki TERANISHI, Hiroshi MIZUHASHI, Kohei AZUMI
  • Patent number: 10955953
    Abstract: A liquid crystal display device is provided and includes a liquid crystal element array having pixel electrodes and switching elements arranged in a matrix form; scanning lines arranged in each row of the liquid crystal element array and supply a scanning signal to switching elements; signal lines arranged in each column of the liquid crystal element array and supply an image signal to the pixel electrodes through switching elements; touch electrodes overlapping pixel electrodes and arranged in the column of the liquid crystal element array; signal line drive circuit arranged along one side of the liquid crystal element array parallel to the row of the liquid crystal element array and forms the image signal; first circuit arranged along the other side of the liquid crystal element array parallel to the row of the liquid crystal element array and is connected to the touch electrodes; and second circuit arranged along the one side of the liquid crystal element array and is connected to the touch electrodes, whe
    Type: Grant
    Filed: April 27, 2020
    Date of Patent: March 23, 2021
    Assignee: Japan Display Inc.
    Inventors: Hiroshi Mizuhashi, Yasuyuki Teranishi, Toshiaki Fukushima, Daisuke Ito, Gen Koide, Tadayoshi Katsuta
  • Patent number: 10949016
    Abstract: According to one embodiment, a display device which displays an image in a display area based on a pixel signal is provided. The display device includes a first substrate, a second substrate opposed to the first substrate, a first electrode arranged in the first substrate and overlapping a frame area outside the display area, second electrodes arranged in the second substrate and overlapping the display area, and a touch detection driver configured to output a drive signal to the first electrode and detect contact or proximity of an object with the frame area based on electrostatic capacitance between the first electrode and the second electrodes.
    Type: Grant
    Filed: January 16, 2018
    Date of Patent: March 16, 2021
    Assignee: Japan Display Inc.
    Inventors: Yasuyuki Teranishi, Yoshiharu Nakajima
  • Patent number: 10942386
    Abstract: According to one embodiment, a display device includes a first substrate, a second substrate and an adhesive layer. The first substrate includes drive electrodes arranged at a first intervals in a first direction. The second substrate is opposed to the first substrate and includes detection electrodes arranged at a second intervals in a second direction perpendicular to the first direction. The adhesive layer bonds the first substrate and the second substrate together. A first detection electrodes of the detection electrodes are shaped in accordance with a shape of a display area which displays an image.
    Type: Grant
    Filed: April 25, 2019
    Date of Patent: March 9, 2021
    Assignee: Japan Display Inc.
    Inventor: Yasuyuki Teranishi
  • Publication number: 20210004111
    Abstract: A touch detection device is provided and includes driving electrodes for detecting an external proximity object, extending in first direction and arranged in second direction; first voltage line extending in second direction; second voltage line extending in second direction; third voltage line extending in second direction, third voltage line being narrower in than first voltage line and second voltage line in width; and switching circuit for electrically connecting driving electrodes and first voltage line, second voltage line, or third voltage line.
    Type: Application
    Filed: September 18, 2020
    Publication date: January 7, 2021
    Inventors: Daisuke ITO, Hiroshi MIZUHASHI, Makoto HAYASHI, Yasuyuki TERANISHI, Tadayoshi KATSUTA