Patents by Inventor Shigeyuki Agematsu

Shigeyuki Agematsu 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).

  • DISPLAY DEVICE WITH TOUCH DETECTION FUNCTION AND CONTROL METHOD THEREOF
    Publication number: 20190212869
    Abstract: According to an aspect, a display device with a touch detection function includes: a touch detector including first group electrodes extending in a first direction and second group electrodes extending in a second direction intersecting the first direction; a display unit that displays an image; a display controller that controls the display unit to display the image on the display unit; and a touch detection controller that detects contact or proximity of a detection target object based on mutual capacitances between the first and the second group electrodes. The touch detection controller measures a frame frequency that is a number of times frames are displayed per unit time, to sequentially output touch drive signals having a frequency corresponding to the frame frequency to the first group electrodes, and to detect the contact or proximity of the detection target object based on signals output from the respective second group electrodes.
    Type: Application
    Filed: March 13, 2019
    Publication date: July 11, 2019
    Inventor: Shigeyuki Agematsu
  • Display device with touch detection function and control method thereof
    Patent number: 10275079
    Abstract: According to an aspect, a display device with a touch detection function includes: a touch detector including first group electrodes extending in a first direction and second group electrodes extending in a second direction intersecting the first direction; a display unit that displays an image; a display controller that controls the display unit to display the image on the display unit; and a touch detection controller that detects contact or proximity of a detection target object based on mutual capacitances between the first and the second group electrodes. The touch detection controller measures a frame frequency that is a number of times frames are displayed per unit time, to sequentially output touch drive signals having a frequency corresponding to the frame frequency to the first group electrodes, and to detect the contact or proximity of the detection target object based on signals output from the respective second group electrodes.
    Type: Grant
    Filed: March 21, 2017
    Date of Patent: April 30, 2019
    Assignee: Japan Display Inc.
    Inventor: Shigeyuki Agematsu
  • DISPLAY DEVICE WITH TOUCH DETECTION FUNCTION AND CONTROL METHOD THEREOF
    Publication number: 20170277345
    Abstract: According to an aspect, a display device with a touch detection function includes: a touch detector including first group electrodes extending in a first direction and second group electrodes extending in a second direction intersecting the first direction; a display unit that displays an image; a display controller that controls the display unit to display the image on the display unit; and a touch detection controller that detects contact or proximity of a detection target object based on mutual capacitances between the first and the second group electrodes. The touch detection controller measures a frame frequency that is a number of times frames are displayed per unit time, to sequentially output touch drive signals having a frequency corresponding to the frame frequency to the first group electrodes, and to detect the contact or proximity of the detection target object based on signals output from the respective second group electrodes.
    Type: Application
    Filed: March 21, 2017
    Publication date: September 28, 2017
    Inventor: Shigeyuki Agematsu