Patents by Inventor Takehiro Shima

Takehiro Shima 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: 20250006149
    Abstract: According to one embodiment, a display device includes a pair of substrates including a display area in which pixels are arranged, pixel electrodes and memories provided in the pixels, signal lines supplied with digital signals, switching elements connecting the memories and the signal lines, scanning lines supplied with scanning signals, a first driver unit, and a second driver unit. The first driver unit is provided in a peripheral area around the display area, and supplies the digital signal to the signal line. The second driver unit is provided in the peripheral area, and supplies the scanning signal to the scanning line. In the display device, at least a part of the first driver unit is provided between the display area and the second driver unit.
    Type: Application
    Filed: September 12, 2024
    Publication date: January 2, 2025
    Applicant: Japan Display Inc.
    Inventor: Takehiro SHIMA
  • Patent number: 12174500
    Abstract: According to an aspect, a display device includes: an array substrate comprising reflective electrodes arrayed in a matrix having a row-column configuration in a first direction and a second direction and a light-transmitting conductive layer at least partially overlapping any one of the reflective electrodes when viewed in a third direction orthogonal to the first direction and the second direction; a counter substrate comprising a common electrode overlapping the reflective electrodes when viewed in the third direction and a color filter including a plurality of colors; and a backlight. The array substrate is disposed between the counter substrate and the backlight. Part of the light-transmitting conductive layer protrudes between two reflective electrodes adjacently disposed in the first direction among the reflective electrodes.
    Type: Grant
    Filed: November 30, 2022
    Date of Patent: December 24, 2024
    Assignee: Japan Display Inc.
    Inventors: Takayuki Nakao, Takehiro Shima
  • Patent number: 12118954
    Abstract: According to one embodiment, a display device includes a pair of substrates including a display area in which pixels are arranged, pixel electrodes and memories provided in the pixels, signal lines supplied with digital signals, switching elements connecting the memories and the signal lines, scanning lines supplied with scanning signals, a first driver unit, and a second driver unit. The first driver unit is provided in a peripheral area around the display area, and supplies the digital signal to the signal line. The second driver unit is provided in the peripheral area, and supplies the scanning signal to the scanning line. In the display device, at least a part of the first driver unit is provided between the display area and the second driver unit.
    Type: Grant
    Filed: July 19, 2023
    Date of Patent: October 15, 2024
    Assignee: Japan Display Inc.
    Inventor: Takehiro Shima
  • Publication number: 20230368745
    Abstract: According to one embodiment, a display device includes a pair of substrates including a display area in which pixels are arranged, pixel electrodes and memories provided in the pixels, signal lines supplied with digital signals, switching elements connecting the memories and the signal lines, scanning lines supplied with scanning signals, a first driver unit, and a second driver unit. The first driver unit is provided in a peripheral area around the display area, and supplies the digital signal to the signal line. The second driver unit is provided in the peripheral area, and supplies the scanning signal to the scanning line. In the display device, at least a part of the first driver unit is provided between the display area and the second driver unit.
    Type: Application
    Filed: July 19, 2023
    Publication date: November 16, 2023
    Applicant: Japan Display Inc.
    Inventor: Takehiro SHIMA
  • Patent number: 11749220
    Abstract: According to one embodiment, a display device includes a pair of substrates including a display area in which pixels are arranged, pixel electrodes and memories provided in the pixels, signal lines supplied with digital signals, switching elements connecting the memories and the signal lines, scanning lines supplied with scanning signals, a first driver unit, and a second driver unit. The first driver unit is provided in a peripheral area around the display area, and supplies the digital signal to the signal line. The second driver unit is provided in the peripheral area, and supplies the scanning signal to the scanning line. In the display device, at least a part of the first driver unit is provided between the display area and the second driver unit.
    Type: Grant
    Filed: December 22, 2022
    Date of Patent: September 5, 2023
    Assignee: Japan Display Inc.
    Inventor: Takehiro Shima
  • Patent number: 11747692
    Abstract: According to one embodiment, a display device includes a display area where a plurality of pixels are arrayed, a first drive circuit arranged adjacent to the display area in a first direction, the first drive circuit configured to supply a drive signal to a gate electrode included in each of switching elements, and a memory power line extending in a second direction intersecting the first direction in the display area and configured to supply a potential to a memories. An outer edge of the display area is defined by outermost edges of the pixels located on an outermost side in the display area. A first distance from the first drive circuit to the outer edge is shorter than a second distance from the first drive circuit to the memory power line.
    Type: Grant
    Filed: July 28, 2022
    Date of Patent: September 5, 2023
    Assignee: Japan Display Inc.
    Inventor: Takehiro Shima
  • Publication number: 20230176428
    Abstract: According to an aspect, a display device includes: an array substrate including pixels arrayed in a first direction and a second direction, each pixel including a reflective electrode and a light-transmitting electrode, the light-transmitting electrode partially overlapping the reflective electrode when viewed in the third direction orthogonal to the first direction and the second direction; a counter substrate including a common electrode overlapping the reflective electrodes and a color filter including a plurality of colors; and a backlight facing the counter substrate with the array substrate therebetween. The color filter is configured such that different colors are adjacently arranged in a first direction and each color extends in a second direction. Part of one of the light-transmitting electrodes protrudes between two of the reflective electrodes adjacently disposed in the second direction.
    Type: Application
    Filed: December 2, 2022
    Publication date: June 8, 2023
    Inventors: Takayuki NAKAO, Takehiro SHIMA
  • Publication number: 20230176430
    Abstract: A display device includes: an array substrate including reflective electrodes arrayed in a first direction and a second direction, light-transmitting conductive layers each overlapping at least part of one of the reflective electrodes when viewed in a third direction, and a signal line between two of the reflective electrodes adjacently disposed in the first direction and extending in the second direction; a counter substrate including a common electrode overlapping the reflective electrodes when viewed in the third direction and a color filter including a plurality of colors; and a backlight. The array substrate is disposed between the counter substrate and the backlight. The color filter is configured such that different colors are arranged in the first direction and each color extends in the second direction. Part of one of the light-transmitting conductive layers protrudes between the two reflective electrodes and overlaps the signal line when viewed in the third direction.
    Type: Application
    Filed: December 2, 2022
    Publication date: June 8, 2023
    Inventors: Takayuki NAKAO, Takehiro SHIMA
  • Publication number: 20230176431
    Abstract: According to an aspect, a display device includes: an array substrate comprising reflective electrodes arrayed in a matrix having a row-column configuration in a first direction and a second direction and a light-transmitting conductive layer at least partially overlapping any one of the reflective electrodes when viewed in a third direction orthogonal to the first direction and the second direction; a counter substrate comprising a common electrode overlapping the reflective electrodes when viewed in the third direction and a color filter including a plurality of colors; and a backlight. The array substrate is disposed between the counter substrate and the backlight. Part of the light-transmitting conductive layer protrudes between two reflective electrodes adjacently disposed in the first direction among the reflective electrodes.
    Type: Application
    Filed: November 30, 2022
    Publication date: June 8, 2023
    Inventors: Takayuki NAKAO, Takehiro SHIMA
  • Publication number: 20230119257
    Abstract: According to one embodiment, a display device includes a pair of substrates including a display area in which pixels are arranged, pixel electrodes and memories provided in the pixels, signal lines supplied with digital signals, switching elements connecting the memories and the signal lines, scanning lines supplied with scanning signals, a first driver unit, and a second driver unit. The first driver unit is provided in a peripheral area around the display area, and supplies the digital signal to the signal line. The second driver unit is provided in the peripheral area, and supplies the scanning signal to the scanning line. In the display device, at least a part of the first driver unit is provided between the display area and the second driver unit.
    Type: Application
    Filed: December 22, 2022
    Publication date: April 20, 2023
    Applicant: Japan Display Inc.
    Inventor: Takehiro SHIMA
  • Patent number: 11562706
    Abstract: According to one embodiment, a display device includes a pair of substrates including a display area in which pixels are arranged, pixel electrodes and memories provided in the pixels, signal lines supplied with digital signals, switching elements connecting the memories and the signal lines, scanning lines supplied with scanning signals, a first driver unit, and a second driver unit. The first driver unit is provided in a peripheral area around the display area, and supplies the digital signal to the signal line. The second driver unit is provided in the peripheral area, and supplies the scanning signal to the scanning line. In the display device, at least a part of the first driver unit is provided between the display area and the second driver unit.
    Type: Grant
    Filed: November 15, 2021
    Date of Patent: January 24, 2023
    Assignee: Japan Display Inc.
    Inventor: Takehiro Shima
  • Publication number: 20220365381
    Abstract: According to one embodiment, a display device includes a display area where a plurality of pixels are arrayed, a first drive circuit arranged adjacent to the display area in a first direction, the first drive circuit configured to supply a drive signal to a gate electrode included in each of switching elements, and a memory power line extending in a second direction intersecting the first direction in the display area and configured to supply a potential to a memories. An outer edge of the display area is defined by outermost edges of the pixels located on an outermost side in the display area. A first distance from the first drive circuit to the outer edge is shorter than a second distance from the first drive circuit to the memory power line.
    Type: Application
    Filed: July 28, 2022
    Publication date: November 17, 2022
    Inventor: Takehiro SHIMA
  • Patent number: 11430403
    Abstract: A display device is provided and includes first and second pixel electrodes in first direction; first and second signal lines in first direction configured to be supplied with first or second binary signals inverted relative to each other; first potential line in second direction crossing first direction configured to be supplied with first potential; second potential line extending in second direction and configured to be supplied with second potential; first switching circuit configured to couple first pixel electrode to first or second potential lines; and second switching circuit configured to couple second pixel electrode to first or second potential lines.
    Type: Grant
    Filed: April 28, 2021
    Date of Patent: August 30, 2022
    Assignee: Japan Display Inc.
    Inventors: Takayuki Nakao, Takehiro Shima
  • Publication number: 20220076644
    Abstract: According to one embodiment, a display device includes a pair of substrates including a display area in which pixels are arranged, pixel electrodes and memories provided in the pixels, signal lines supplied with digital signals, switching elements connecting the memories and the signal lines, scanning lines supplied with scanning signals, a first driver unit, and a second driver unit. The first driver unit is provided in a peripheral area around the display area, and supplies the digital signal to the signal line. The second driver unit is provided in the peripheral area, and supplies the scanning signal to the scanning line. In the display device, at least a part of the first driver unit is provided between the display area and the second driver unit.
    Type: Application
    Filed: November 15, 2021
    Publication date: March 10, 2022
    Applicant: Japan Display Inc.
    Inventor: Takehiro SHIMA
  • Patent number: 11205395
    Abstract: According to one embodiment, a display device includes a pair of substrates including a display area in which pixels are arranged, pixel electrodes and memories provided in the pixels, signal lines supplied with digital signals, switching elements connecting the memories and the signal lines, scanning lines supplied with scanning signals, a first driver unit, and a second driver unit. The first driver unit is provided in a peripheral area around the display area, and supplies the digital signal to the signal line. The second driver unit is provided in the peripheral area, and supplies the scanning signal to the scanning line. In the display device, at least a part of the first driver unit is provided between the display area and the second driver unit.
    Type: Grant
    Filed: October 26, 2020
    Date of Patent: December 21, 2021
    Assignee: Japan Display Inc.
    Inventor: Takehiro Shima
  • Publication number: 20210248971
    Abstract: A display device is provided and includes first and second pixel electrodes in first direction; first and second signal lines in first direction configured to be supplied with first or second binary signals inverted relative to each other; first potential line in second direction crossing first direction configured to be supplied with first potential; second potential line extending in second direction and configured to be supplied with second potential; first switching circuit configured to couple first pixel electrode to first or second potential lines; and second switching circuit configured to couple second pixel electrode to first or second potential lines.
    Type: Application
    Filed: April 28, 2021
    Publication date: August 12, 2021
    Inventors: Takayuki NAKAO, Takehiro SHIMA
  • Patent number: 10997937
    Abstract: According to an aspect, a display device includes: two pixels having different areas; a first signal line extending in an arrangement direction of the two pixels and coupled to one of the two pixels; a second signal line extending in the arrangement direction and coupled to the other of the two pixels; and a scan line extending between the two pixels in an intersection direction intersecting the arrangement direction and coupled to the two pixels.
    Type: Grant
    Filed: January 14, 2020
    Date of Patent: May 4, 2021
    Assignee: Japan Display Inc.
    Inventors: Takayuki Nakao, Takehiro Shima
  • Patent number: 10996783
    Abstract: A display device with a touch sensor is provided and includes a substrate; pixel electrodes on the substrate; thin film transistors (TFTs) coupled to the pixel electrodes; touch sensor electrodes arranged opposite to the pixel electrodes; a gate buffer coupled to the TFTs; a first switch coupled to the gate buffer; first-L and first-H lines coupled to the first switch; a second line coupled to the gate buffer; and a drive control circuit applying a drive signal to the touch sensor electrodes, wherein a signal supplied to the TFTs is one of a pulse wave signal and a signal in which different three potentials are switched at given timings, wherein three potentials include a first potential supplied through the first-L line, a second potential supplied through the second line, and a third potential supplied through first-H line, wherein the first switch switches to couple the gate buffer with first-L line and first-H line in synchronization with the drive signal in which a first and second common potential are r
    Type: Grant
    Filed: March 11, 2020
    Date of Patent: May 4, 2021
    Assignee: Japan Display Inc.
    Inventors: Takeya Takeuchi, Hiroshi Mizuhashi, Tadayoshi Katsuta, Takehiro Shima
  • Publication number: 20210056920
    Abstract: According to one embodiment, a display device includes a pair of substrates including a display area in which pixels are arranged, pixel electrodes and memories provided in the pixels, signal lines supplied with digital signals, switching elements connecting the memories and the signal lines, scanning lines supplied with scanning signals, a first driver unit, and a second driver unit. The first driver unit is provided in a peripheral area around the display area, and supplies the digital signal to the signal line. The second driver unit is provided in the peripheral area, and supplies the scanning signal to the scanning line. In the display device, at least a part of the first driver unit is provided between the display area and the second driver unit.
    Type: Application
    Filed: October 26, 2020
    Publication date: February 25, 2021
    Applicant: Japan Display Inc.
    Inventor: Takehiro SHIMA
  • Patent number: 10923055
    Abstract: According to one embodiment, a display device includes a pixel electrode and a memory provided in each of pixels, a common electrode, a signal line to which a digital signal is supplied, a first drive line to which a display signal is supplied, a second drive line to which a non-display signal is supplied, a storage control circuit which stores the digital signal in the memory in a storage period, and a select control circuit which selectively supplies, in a display period, to the pixel electrode, one of the display signal and the non-display signal. The second drive circuit maintains potential of the common signal of the display period in the storage period when the display period transitions to the storage period.
    Type: Grant
    Filed: August 12, 2019
    Date of Patent: February 16, 2021
    Assignee: Japan Display Inc.
    Inventors: Takehiro Shima, Takayuki Nakao