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).
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Publication number: 20250006149Abstract: 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: ApplicationFiled: September 12, 2024Publication date: January 2, 2025Applicant: Japan Display Inc.Inventor: Takehiro SHIMA
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Patent number: 12174500Abstract: 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: GrantFiled: November 30, 2022Date of Patent: December 24, 2024Assignee: Japan Display Inc.Inventors: Takayuki Nakao, Takehiro Shima
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Patent number: 12118954Abstract: 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: GrantFiled: July 19, 2023Date of Patent: October 15, 2024Assignee: Japan Display Inc.Inventor: Takehiro Shima
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Publication number: 20230368745Abstract: 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: ApplicationFiled: July 19, 2023Publication date: November 16, 2023Applicant: Japan Display Inc.Inventor: Takehiro SHIMA
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Patent number: 11749220Abstract: 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: GrantFiled: December 22, 2022Date of Patent: September 5, 2023Assignee: Japan Display Inc.Inventor: Takehiro Shima
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Patent number: 11747692Abstract: 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: GrantFiled: July 28, 2022Date of Patent: September 5, 2023Assignee: Japan Display Inc.Inventor: Takehiro Shima
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Publication number: 20230176428Abstract: 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: ApplicationFiled: December 2, 2022Publication date: June 8, 2023Inventors: Takayuki NAKAO, Takehiro SHIMA
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Publication number: 20230176430Abstract: 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: ApplicationFiled: December 2, 2022Publication date: June 8, 2023Inventors: Takayuki NAKAO, Takehiro SHIMA
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Publication number: 20230176431Abstract: 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: ApplicationFiled: November 30, 2022Publication date: June 8, 2023Inventors: Takayuki NAKAO, Takehiro SHIMA
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Publication number: 20230119257Abstract: 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: ApplicationFiled: December 22, 2022Publication date: April 20, 2023Applicant: Japan Display Inc.Inventor: Takehiro SHIMA
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Patent number: 11562706Abstract: 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: GrantFiled: November 15, 2021Date of Patent: January 24, 2023Assignee: Japan Display Inc.Inventor: Takehiro Shima
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Publication number: 20220365381Abstract: 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: ApplicationFiled: July 28, 2022Publication date: November 17, 2022Inventor: Takehiro SHIMA
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Patent number: 11430403Abstract: 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: GrantFiled: April 28, 2021Date of Patent: August 30, 2022Assignee: Japan Display Inc.Inventors: Takayuki Nakao, Takehiro Shima
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Publication number: 20220076644Abstract: 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: ApplicationFiled: November 15, 2021Publication date: March 10, 2022Applicant: Japan Display Inc.Inventor: Takehiro SHIMA
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Patent number: 11205395Abstract: 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: GrantFiled: October 26, 2020Date of Patent: December 21, 2021Assignee: Japan Display Inc.Inventor: Takehiro Shima
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Publication number: 20210248971Abstract: 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: ApplicationFiled: April 28, 2021Publication date: August 12, 2021Inventors: Takayuki NAKAO, Takehiro SHIMA
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Patent number: 10997937Abstract: 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: GrantFiled: January 14, 2020Date of Patent: May 4, 2021Assignee: Japan Display Inc.Inventors: Takayuki Nakao, Takehiro Shima
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Patent number: 10996783Abstract: 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 rType: GrantFiled: March 11, 2020Date of Patent: May 4, 2021Assignee: Japan Display Inc.Inventors: Takeya Takeuchi, Hiroshi Mizuhashi, Tadayoshi Katsuta, Takehiro Shima
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Publication number: 20210056920Abstract: 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: ApplicationFiled: October 26, 2020Publication date: February 25, 2021Applicant: Japan Display Inc.Inventor: Takehiro SHIMA
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Patent number: 10923055Abstract: 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: GrantFiled: August 12, 2019Date of Patent: February 16, 2021Assignee: Japan Display Inc.Inventors: Takehiro Shima, Takayuki Nakao