Patents by Inventor Takehiko Soda

Takehiko Soda 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).

  • Patent number: 11764244
    Abstract: A first conductive pattern and a third conductive pattern are joined to each other in a junction plane, and a second conductive pattern and a fourth conductive pattern are joined to each other in the junction plane, and an insulation layer is arranged at least in one of spaces between the first conductive pattern and the second conductive pattern and between the third conductive pattern and the fourth conductive pattern.
    Type: Grant
    Filed: June 29, 2021
    Date of Patent: September 19, 2023
    Assignee: CANON KABUSHIKI KAISHA
    Inventors: Takehiko Soda, Kazutoshi Torashima, Yasushi Nakata
  • Patent number: 11521557
    Abstract: A display apparatus includes a data signal output unit, a first light emitting element, a first transistor, a first capacitive element, a second transistor, and a third transistor. The first transistor is connected to the first light emitting element and includes a gate. The first capacitive element includes a first node and a second node. The second transistor is provided on a first input path through which a signal from the data signal output unit is input to the gate. The third transistor is provided on a second input path through which a signal from the data signal output unit is input to the gate and which is different from the first input path. The first node is connected to the second transistor, the third transistor, and the gate. The second node is configured to be supplied with a power source potential.
    Type: Grant
    Filed: October 28, 2020
    Date of Patent: December 6, 2022
    Assignee: CANON KABUSHIKI KAISHA
    Inventor: Takehiko Soda
  • Patent number: 11463644
    Abstract: An imaging device includes a pixel unit having a plurality of pixels forming a plurality of rows and a plurality of columns, and a readout unit that divides the pixel unit into a plurality of pixel blocks based on a division pattern, each pixel block including at least two pixels, and combines signals from the at least two pixels included in one pixel block to generate one signal for each of the pixel blocks. A detection unit detects a change in signal values between a plurality of signals sequentially generated by the readout unit of the one pixel block. A control unit controls the readout unit to output a signal individually from each of the pixels included in at least one pixel block in response to detecting a change in the signal values, and controls the readout unit so that the division patterns are different in at least two frames.
    Type: Grant
    Filed: August 23, 2019
    Date of Patent: October 4, 2022
    Assignee: CANON KABUSHIKI KAISHA
    Inventors: Takehiko Soda, Kazutoshi Torashima, Hiroo Akabori, Hideo Kobayashi
  • Publication number: 20220132068
    Abstract: An imaging device as an embodiment includes: a pixel unit having a plurality of pixels arranged to form a plurality of rows and a plurality of columns; a readout unit that divides the pixel unit into a plurality of pixel blocks in accordance with a division pattern, each pixel block including at least two of the plurality of pixels, and combines signals from the at least two of the plurality of pixels included in one pixel block of the plurality of pixel blocks to generate one signal for each of the plurality of pixel blocks; a detection unit that detects that a change in signal values between a plurality of signals that are sequentially generated by the readout unit of the one pixel block; and a control unit that controls the readout unit.
    Type: Application
    Filed: August 23, 2019
    Publication date: April 28, 2022
    Inventors: Takehiko Soda, Kazutoshi Torashima, Hiroo Akabori, Hideo Kobayashi
  • Patent number: 11282453
    Abstract: A display device including pixels is provided. Each pixels includes a light emitting element, a first transistor configured to supply current to the light emitting element, a second transistor configured to control emission of the light emitting element, a first capacitor including a first electrode and a second electrode, and a second capacitor including a third electrode and a fourth electrode. The first electrode is connected to a gate electrode of the first transistor. The second and third electrodes are connected to a main terminal of the first transistor. The fourth electrode is connected to a main terminal of the second transistor. The first capacitor is arranged between the substrate and the second capacitor. At least a portion of an outer edge of the first electrode is arranged more to an inside than that of the third electrode.
    Type: Grant
    Filed: September 22, 2020
    Date of Patent: March 22, 2022
    Assignee: Canon Kabushiki Kaisha
    Inventors: Hiromasa Tsuboi, Takehiko Soda
  • Publication number: 20210327944
    Abstract: A first conductive pattern and a third conductive pattern are joined to each other in a junction plane, and a second conductive pattern and a fourth conductive pattern are joined to each other in the junction plane, and an insulation layer is arranged at least in one of spaces between the first conductive pattern and the second conductive pattern and between the third conductive pattern and the fourth conductive pattern.
    Type: Application
    Filed: June 29, 2021
    Publication date: October 21, 2021
    Inventors: Takehiko Soda, Kazutoshi Torashima, Yasushi Nakata
  • Patent number: 11087680
    Abstract: A display device comprises a pixel area in which a plurality of pixels are arranged, and a dummy pixel area which is provided around the pixel area and in which a plurality of dummy pixels are arranged. Each of the pixel and the dummy pixel includes a light-emitting element including a first electrode and a second electrode, and a driving transistor. The first electrode of the light-emitting element is connected to the driving transistor in the pixel, and in the dummy pixel, the light-emitting element is not connected to the driving transistor, a first potential is supplied to the first electrode, a second potential is supplied to the second electrode, and the light-emitting element does not emit light at a potential difference between the first potential and the second potential.
    Type: Grant
    Filed: October 30, 2019
    Date of Patent: August 10, 2021
    Assignee: Canon Kabushiki Kaisha
    Inventors: Hiromasa Tsuboi, Yasushi Matsuno, Takehiko Soda
  • Patent number: 11081515
    Abstract: A first conductive pattern and a third conductive pattern are joined to each other in a junction plane, and a second conductive pattern and a fourth conductive pattern are joined to each other in the junction plane, and an insulation layer is arranged at least in one of spaces between the first conductive pattern and the second conductive pattern and between the third conductive pattern and the fourth conductive pattern.
    Type: Grant
    Filed: September 11, 2020
    Date of Patent: August 3, 2021
    Assignee: CANON KABUSHIKI KAISHA
    Inventors: Takehiko Soda, Kazutoshi Torashima, Yasushi Nakata
  • Publication number: 20210134231
    Abstract: A display apparatus includes a data signal output unit, a first light emitting element, a first transistor, a first capacitive element, a second transistor, and a third transistor. The first transistor is connected to the first light emitting element and includes a gate. The first capacitive element includes a first node and a second node. The second transistor is provided on a first input path through which a signal from the data signal output unit is input to the gate. The third transistor is provided on a second input path through which a signal from the data signal output unit is input to the gate and which is different from the first input path. The first node is connected to the second transistor, the third transistor, and the gate. The second node is configured to be supplied with a power source potential.
    Type: Application
    Filed: October 28, 2020
    Publication date: May 6, 2021
    Inventor: Takehiko Soda
  • Patent number: 10985216
    Abstract: A display apparatus comprises a pixel including a plurality of sub pixels. Each of the sub pixels includes a current driven light emitting device, a transistor for supplying an electric current to the light emitting device and a capacitive element for maintaining a gate voltage of the transistor. The capacitive element of one sub pixel and the capacitive element of the other sub pixel at least partially overlap each other.
    Type: Grant
    Filed: January 8, 2019
    Date of Patent: April 20, 2021
    Assignee: CANON KABUSHIKI KAISHA
    Inventor: Takehiko Soda
  • Publication number: 20210005142
    Abstract: A display device including pixels is provided. Each pixels includes a light emitting element, a first transistor configured to supply current to the light emitting element, a second transistor configured to control emission of the light emitting element, a first capacitor including a first electrode and a second electrode, and a second capacitor including a third electrode and a fourth electrode. The first electrode is connected to a gate electrode of the first transistor. The second and third electrodes are connected to a main terminal of the first transistor. The fourth electrode is connected to a main terminal of the second transistor. The first capacitor is arranged between the substrate and the second capacitor. At least a portion of an outer edge of the first electrode is arranged more to an inside than that of the third electrode.
    Type: Application
    Filed: September 22, 2020
    Publication date: January 7, 2021
    Inventors: Hiromasa Tsuboi, Takehiko Soda
  • Publication number: 20200411579
    Abstract: A first conductive pattern and a third conductive pattern are joined to each other in a junction plane, and a second conductive pattern and a fourth conductive pattern are joined to each other in the junction plane, and an insulation layer is arranged at least in one of spaces between the first conductive pattern and the second conductive pattern and between the third conductive pattern and the fourth conductive pattern.
    Type: Application
    Filed: September 11, 2020
    Publication date: December 31, 2020
    Inventors: Takehiko Soda, Kazutoshi Torashima, Yasushi Nakata
  • Patent number: 10818232
    Abstract: A display device including pixels is provided. Each pixels includes a light emitting element, a first transistor configured to supply current to the light emitting element, a second transistor configured to control emission of the light emitting element, a first capacitor including a first electrode and a second electrode, and a second capacitor including a third electrode and a fourth electrode. The first electrode is connected to a gate electrode of the first transistor. The second and third electrodes are connected to a main terminal of the first transistor. The fourth electrode is connected to a main terminal of the second transistor. The first capacitor is arranged between the substrate and the second capacitor. At least a portion of an outer edge of the first electrode is arranged more to an inside than that of the third electrode.
    Type: Grant
    Filed: October 29, 2019
    Date of Patent: October 27, 2020
    Assignee: Canon Kabushiki Kaisha
    Inventors: Hiromasa Tsuboi, Takehiko Soda
  • Patent number: 10804311
    Abstract: A first conductive pattern and a third conductive pattern are joined to each other in a junction plane, and a second conductive pattern and a fourth conductive pattern are joined to each other in the junction plane, and an insulation layer is arranged at least in one of spaces between the first conductive pattern and the second conductive pattern and between the third conductive pattern and the fourth conductive pattern.
    Type: Grant
    Filed: March 25, 2019
    Date of Patent: October 13, 2020
    Assignee: CANON KABUSHIKI KAISHA
    Inventors: Takehiko Soda, Kazutoshi Torashima, Yasushi Nakata
  • Patent number: 10769993
    Abstract: A display apparatus includes a pixel including a first sub-pixel and a second sub-pixel disposed adjacently to each other, and the second sub-pixel is different in emission color from the first sub-pixel. Each of the first sub-pixel and the second sub-pixel includes a first electrode, a second electrode, and a functional layer disposed between the first electrode and the second electrode. The first electrode of the first sub-pixel includes a first pixel electrode and a second pixel electrode. The first electrode of the second sub-pixel includes a first pixel electrode and a second pixel electrode. The second pixel electrode of the first sub-pixel is disposed in each of regions between the first sub-pixel and the second sub-pixel.
    Type: Grant
    Filed: September 12, 2018
    Date of Patent: September 8, 2020
    Assignee: Canon Kabushiki Kaisha
    Inventor: Takehiko Soda
  • Publication number: 20200143740
    Abstract: A display device including pixels is provided. Each pixels includes a light emitting element, a first transistor configured to supply current to the light emitting element, a second transistor configured to control emission of the light emitting element, a first capacitor including a first electrode and a second electrode, and a second capacitor including a third electrode and a fourth electrode. The first electrode is connected to a gate electrode of the first transistor. The second and third electrodes are connected to a main terminal of the first transistor. The fourth electrode is connected to a main terminal of the second transistor. The first capacitor is arranged between the substrate and the second capacitor. At least a portion of an outer edge of the first electrode is arranged more to an inside than that of the third electrode.
    Type: Application
    Filed: October 29, 2019
    Publication date: May 7, 2020
    Inventors: Hiromasa Tsuboi, Takehiko Soda
  • Publication number: 20200143741
    Abstract: A display device comprises a pixel area in which a plurality of pixels are arranged, and a dummy pixel area which is provided around the pixel area and in which a plurality of dummy pixels are arranged. Each of the pixel and the dummy pixel includes a light-emitting element including a first electrode and a second electrode, and a driving transistor. The first electrode of the light-emitting element is connected to the driving transistor in the pixel, and in the dummy pixel, the light-emitting element is not connected to the driving transistor, a first potential is supplied to the first electrode, a second potential is supplied to the second electrode, and the light-emitting element does not emit light at a potential difference between the first potential and the second potential.
    Type: Application
    Filed: October 30, 2019
    Publication date: May 7, 2020
    Inventors: Hiromasa Tsuboi, Yasushi Matsuno, Takehiko Soda
  • Patent number: 10586490
    Abstract: A display device in which selection circuits and display blocks are arranged is provided. Each of display blocks comprises signal lines extending in a column direction and pixels arranged in a matrix pattern. Pixels each comprise a light emitting element. Each of selection circuits switches a signal line to which to supply an image signal among signal lines such that the image signal is written to each pixel aligned in a row direction among pixels. In one frame period, an order in which signal lines corresponding to respective pixels arranged in a first row among the pixels aligned in the row direction are selected, and an order in which signal lines corresponding to respective pixels arranged in a second row different to the first row among the pixels aligned in the row direction are selected are different to each other.
    Type: Grant
    Filed: May 18, 2018
    Date of Patent: March 10, 2020
    Assignee: Canon Kabushiki Kaisha
    Inventor: Takehiko Soda
  • Publication number: 20190305028
    Abstract: A first conductive pattern and a third conductive pattern are joined to each other in a junction plane, and a second conductive pattern and a fourth conductive pattern are joined to each other in the junction plane, and an insulation layer is arranged at least in one of spaces between the first conductive pattern and the second conductive pattern and between the third conductive pattern and the fourth conductive pattern.
    Type: Application
    Filed: March 25, 2019
    Publication date: October 3, 2019
    Inventors: Takehiko Soda, Kazutoshi Torashima, Yasushi Nakata
  • Publication number: 20190214439
    Abstract: A display apparatus comprises a pixel including a plurality of sub pixels. Each of the sub pixels includes a current driven light emitting device, a transistor for supplying an electric current to the light emitting device and a capacitive element for maintaining a gate voltage of the transistor. The capacitive element of one sub pixel and the capacitive element of the other sub pixel at least partially overlap each other.
    Type: Application
    Filed: January 8, 2019
    Publication date: July 11, 2019
    Inventor: Takehiko Soda