Patents by Inventor Yukiya Hirabayashi
Yukiya Hirabayashi 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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Patent number: 11947750Abstract: A display device with a sensor in which deterioration of display quality is suppressed even when sensor wires are superimposed on respective slits of detection electrodes disposed side by side. The display device includes detection electrodes, sensor wires, pixels, scanning lines, and signal lines on a first insulating substrate. The detection electrodes are arrayed in a matrix in first and second directions. The sensor wires and signal lines are disposed alternately in the first direction and provided on the same layer. Switching elements of two of the pixels disposed side by side in the first direction each are coupled to one of the signal lines, and the signal line is superimposed on the corresponding detection electrode that straddles the two pixels. The sensor wires are disposed between the two pixels disposed side by side and superimposed on the respective slits of the two detection electrodes disposed side by side.Type: GrantFiled: January 19, 2023Date of Patent: April 2, 2024Assignee: Japan Display Inc.Inventors: Yoshihide Ohue, Yukiya Hirabayashi
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Publication number: 20240103324Abstract: An electrooptical device includes a first substrate, a first electrode disposed on the first substrate, a second substrate facing the first substrate, a second electrode disposed on the second substrate, and a liquid crystal layer positioned between the first substrate and the second substrate. The first substrate includes a first terminal, a second terminal, a first conductive portion electrically coupled to the first terminal, and a second conductive portion electrically coupled to the second terminal, the second substrate includes a third conductive portion electrically coupled to the second electrode, and a fourth conductive portion electrically coupled to the third conductive portion, and the electrooptical device further includes a first coupling member electrically coupling the first conductive portion and the third conductive portion, and a second coupling member electrically coupling the second conductive portion and the fourth conductive portion.Type: ApplicationFiled: September 21, 2023Publication date: March 28, 2024Inventors: Yukiya HIRABAYASHI, Osamu KOBAYASHI, Shunpei TAKEUCHI
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Publication number: 20240012276Abstract: A light adjustment device includes a panel unit having a rectangular pillar shape and including a plurality of light adjustment panels stacked in a first direction, each light adjustment panel having a polygonal shape and including a lower substrate and an upper substrate overlapping the lower substrate. The light adjustment panels each have a first side, a second side adjacent to the first side, and a first corner at which the first side intersects the second side, and when two light adjustment panels adjacent to each other in a first direction among the light adjustment panels are viewed in the first direction, the first corner of one of the light adjustment panels is positioned inside of an edge of the other light adjustment panel, and the first corner of the other light adjustment panel is positioned inside of an edge of the one light adjustment panel.Type: ApplicationFiled: July 6, 2023Publication date: January 11, 2024Applicant: Japan Display Inc.Inventors: Shunpei TAKEUCHI, Kohei YAMAGUCHI, Katsuichi IDE, Yukiya HIRABAYASHI, Osamu KAI, Hiroya MORIMOTO, Koichi NAGAO
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Publication number: 20230375887Abstract: A light adjustment device in which a plurality of liquid crystal cells each including a light adjustment region configured to polarize light emitted from a light source are stacked in a direction in which the light is emitted is disclosed. The liquid crystal cells each include a first substrate including a plurality of first drive electrodes extending in a first direction in the light adjustment region, and a second substrate sandwiching a liquid crystal layer between the first substrate and the second substrate and including a plurality of second drive electrodes extending in a second direction different from the first direction in the light adjustment region.Type: ApplicationFiled: August 4, 2023Publication date: November 23, 2023Inventors: Takahiro OCHIAI, Yukiya HIRABAYASHI, Shunpei TAKEUCHI, Osamu KOBAYASHI, Takeo KOITO, Koichi NAGAO
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Patent number: 11774793Abstract: According to one embodiment, an electronic apparatus includes a first substrate, a second substrate opposed to the first substrate, a liquid crystal layer held between the first substrate and the second substrate, an active area in which pixels are arranged, and a peripheral area positioned in a periphery of the active area. The peripheral area includes a drive element area in which a drive element configured to drive each of the pixels is arranged.Type: GrantFiled: August 19, 2022Date of Patent: October 3, 2023Assignee: JAPAN DISPLAY INC.Inventors: Toshiharu Matsushima, Yukiya Hirabayashi
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Publication number: 20230152915Abstract: A display device with a sensor in which deterioration of display quality is suppressed even when sensor wires are superimposed on respective slits of detection electrodes disposed side by side. The display device includes detection electrodes, sensor wires, pixels, scanning lines, and signal lines on a first insulating substrate. The detection electrodes are arrayed in a matrix in first and second directions. The sensor wires and signal lines are disposed alternately in the first direction and provided on the same layer. Switching elements of two of the pixels disposed side by side in the first direction each are coupled to one of the signal lines, and the signal line is superimposed on the corresponding detection electrode that straddles the two pixels. The sensor wires are disposed between the two pixels disposed side by side and superimposed on the respective slits of the two detection electrodes disposed side by side.Type: ApplicationFiled: January 19, 2023Publication date: May 18, 2023Inventors: Yoshihide OHUE, Yukiya HIRABAYASHI
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Patent number: 11592920Abstract: A display device with a sensor in which the deterioration of display quality is suppressed even when the sensor wires are superimposed on the respective slits of two detection electrodes disposed side by side. The display device includes pixels, scanning lines, signal lines on a first insulating substrate, detection electrodes arrayed in a matrix in first and second directions, and sensor wires and signal lines disposed alternately in the first direction and provided on the same layer. Switching elements of two of the pixels disposed side by side in the first direction each are coupled to one of the signal lines, and the signal line is superimposed on the corresponding detection electrode that straddles the two pixels. The sensor wires are disposed between the two pixels disposed side by side in the first direction and superimposed on the respective slits of the two detection electrodes.Type: GrantFiled: August 4, 2021Date of Patent: February 28, 2023Assignee: Japan Display Inc.Inventors: Yoshihide Ohue, Yukiya Hirabayashi
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Publication number: 20230056040Abstract: According to one embodiment, an electronic apparatus includes a first substrate, a second substrate opposed to the first substrate, a liquid crystal layer held between the first substrate and the second substrate, an active area in which pixels are arranged, and a peripheral area positioned in a periphery of the active area. The peripheral area includes a drive element area in which a drive element configured to drive each of the pixels is arranged.Type: ApplicationFiled: August 19, 2022Publication date: February 23, 2023Applicant: Japan Display Inc.Inventors: Toshiharu MATSUSHIMA, Yukiya HIRABAYASHI
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Publication number: 20210365141Abstract: A display device with a sensor in which the deterioration of display quality is suppressed even when the sensor wires are superimposed on the respective slits of two detection electrodes disposed side by side. The display device includes pixels, scanning lines, signal lines on a first insulating substrate, detection electrodes arrayed in a matrix in first and second directions, and sensor wires and signal lines disposed alternately in the first direction and provided on the same layer. Switching elements of two of the pixels disposed side by side in the first direction each are coupled to one of the signal lines, and the signal line is superimposed on the corresponding detection electrode that straddles the two pixels. The sensor wires are disposed between the two pixels disposed side by side in the first direction and superimposed on the respective slits of the two detection electrodes.Type: ApplicationFiled: August 4, 2021Publication date: November 25, 2021Inventors: Yoshihide OHUE, Yukiya HIRABAYASHI
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Patent number: 10606384Abstract: According to an aspect, a display device includes: a display unit that has a plurality of scanning signal lines to which a scanning signal is applied; a shift register that has a plurality of transfer circuits configured in a plurality of stages that perform a shift operation for temporarily storing a shift signal that has been input and sequentially transmitting the stored shift signal to a subsequent stage in synchronization with a clock signal having a discontinued period, and outputs the scanning signal to a scanning signal line corresponding to a transfer circuit that maintains the shift signal; and a signal line that transmits a holding potential signal for maintaining a potential of the shift signal to a transfer circuit that maintains the shift signal in the discontinued period of the clock signal.Type: GrantFiled: March 2, 2017Date of Patent: March 31, 2020Assignee: Japan Display Inc.Inventors: Masayuki Koga, Yukiya Hirabayashi, Takahiro Ochiai
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Patent number: 9934748Abstract: Disclosed herein is a display device including: a display section configured to have a plurality of scanning signal lines to which respective scanning signals are applied, the display section performing line-sequential scanning by repeating interruption and resumption of the line-sequential scanning on a basis of the plurality of scanning signals, and displaying an image; and a scanning section configured to generate the plurality of scanning signals such that transition times on a pulse termination side of the respective scanning signals are equal to each other.Type: GrantFiled: May 23, 2017Date of Patent: April 3, 2018Assignee: Japan Display Inc.Inventors: Yukiya Hirabayashi, Koji Shimizu, Yutaka Ozawa
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Publication number: 20170256227Abstract: Disclosed herein is a display device including: a display section configured to have a plurality of scanning signal lines to which respective scanning signals are applied, the display section performing line-sequential scanning by repeating interruption and resumption of the line-sequential scanning on a basis of the plurality of scanning signals, and displaying an image; and a scanning section configured to generate the plurality of scanning signals such that transition times on a pulse termination side of the respective scanning signals are equal to each other.Type: ApplicationFiled: May 23, 2017Publication date: September 7, 2017Inventors: Yukiya Hirabayashi, Koji Shimizu, Yutaka Ozawa
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Publication number: 20170177131Abstract: According to an aspect, a display device includes: a display unit that has a plurality of scanning signal lines to which a scanning signal is applied; a shift register that has a plurality of transfer circuits configured in a plurality of stages that perform a shift operation for temporarily storing a shift signal that has been input and sequentially transmitting the stored shift signal to a subsequent stage in synchronization with a clock signal having a discontinued period, and outputs the scanning signal to a scanning signal line corresponding to a transfer circuit that maintains the shift signal; and a signal line that transmits a holding potential signal for maintaining a potential of the shift signal to a transfer circuit that maintains the shift signal in the discontinued period of the clock signal.Type: ApplicationFiled: March 2, 2017Publication date: June 22, 2017Inventors: Masayuki KOGA, Yukiya HIRABAYASHI, Takahiro OCHIAI
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Patent number: 9685135Abstract: Disclosed herein is a display device including: a display section configured to have a plurality of scanning signal lines to which respective scanning signals are applied, the display section performing line-sequential scanning by repeating interruption and resumption of the line-sequential scanning on a basis of the plurality of scanning signals, and displaying an image; and a scanning section configured to generate the plurality of scanning signals such that transition times on a pulse termination side of the respective scanning signals are equal to each other.Type: GrantFiled: October 5, 2016Date of Patent: June 20, 2017Assignee: Japan Display Inc.Inventors: Yukiya Hirabayashi, Koji Shimizu, Yutaka Ozawa
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Patent number: 9619087Abstract: According to an aspect, a display device includes: a display unit that has a plurality of scanning signal lines to which a scanning signal is applied; a shift register that has a plurality of transfer circuits configured in a plurality of stages that perform a shift operation for temporarily storing a shift signal that has been input and sequentially transmitting the stored shift signal to a subsequent stage in synchronization with a clock signal having a discontinued period, and outputs the scanning signal to a scanning signal line corresponding to a transfer circuit that maintains the shift signal; and a signal line that transmits a holding potential signal for maintaining a potential of the shift signal to a transfer circuit that maintains the shift signal in the discontinued period of the clock signal.Type: GrantFiled: March 7, 2014Date of Patent: April 11, 2017Assignee: Japan Display Inc.Inventors: Masayuki Koga, Yukiya Hirabayashi, Takahiro Ochiai
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Publication number: 20170025083Abstract: Disclosed herein is a display device including: a display section configured to have a plurality of scanning signal lines to which respective scanning signals are applied, the display section performing line-sequential scanning by repeating interruption and resumption of the line-sequential scanning on a basis of the plurality of scanning signals, and displaying an image; and a scanning section configured to generate the plurality of scanning signals such that transition times on a pulse termination side of the respective scanning signals are equal to each other.Type: ApplicationFiled: October 5, 2016Publication date: January 26, 2017Inventors: Yukiya Hirabayashi, Koji Shimizu, Yutaka Ozawa
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Patent number: 9495922Abstract: Disclosed herein is a display device including: a display section configured to have a plurality of scanning signal lines to which respective scanning signals are applied, the display section performing line-sequential scanning by repeating interruption and resumption of the line-sequential scanning on a basis of the plurality of scanning signals, and displaying an image; and a scanning section configured to generate the plurality of scanning signals such that transition times on a pulse termination side of the respective scanning signals are equal to each other.Type: GrantFiled: February 21, 2013Date of Patent: November 15, 2016Assignee: Japan Display Inc.Inventors: Yukiya Hirabayashi, Koji Shimizu, Yutaka Ozawa
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Patent number: 9146432Abstract: An electro-optic device includes: a pixel area having plural pixels; and a frame area formed in a periphery of the pixel area, on an insulating substrate, wherein the frame area includes a drive circuit driving the pixels, a control signal line to which control signals controlling the drive circuit are applied, a common potential electrode having the same potential as a common potential applied to every pixels in common, and an electrostatic protection circuit protecting the drive circuit, and the electrostatic protection circuit includes plural diodes connected in series to each other between the control signal line and the common potential electrode as well as formed by thin-film transistors.Type: GrantFiled: October 22, 2012Date of Patent: September 29, 2015Assignee: Japan Display Inc.Inventor: Yukiya Hirabayashi
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Patent number: 8879015Abstract: A liquid crystal display device includes a first substrate, a first thin film transistor formed on the first substrate, a pixel electrode and a common electrode formed above the first thin film transistor of the first substrate, a liquid crystal layer formed above the pixel electrode and the common electrode, a second substrate provided above the pixel electrode and the common electrode via the liquid crystal layer, a shield electrode formed on a substantially entire surface of the liquid crystal layer side of the second substrate, a switch device being electrically connected to the shield electrode and the interconnection, wherein the switch device is turned on when a potential of the shield electrode is larger than the specific potential of the interconnection and a difference between the potential of the shield electrode and the specific potential of the interconnection is larger than predetermined potential.Type: GrantFiled: December 9, 2009Date of Patent: November 4, 2014Assignee: Japan Display West Inc.Inventors: Shuhei Yoshida, Joji Nishimura, Yukiya Hirabayashi, Hideki Uehara
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Publication number: 20140267156Abstract: According to an aspect, a display device includes: a display unit that has a plurality of scanning signal lines to which a scanning signal is applied; a shift register that has a plurality of transfer circuits configured in a plurality of stages that perform a shift operation for temporarily storing a shift signal that has been input and sequentially transmitting the stored shift signal to a subsequent stage in synchronization with a clock signal having a discontinued period, and outputs the scanning signal to a scanning signal line corresponding to a transfer circuit that maintains the shift signal; and a signal line that transmits a holding potential signal for maintaining a potential of the shift signal to a transfer circuit that maintains the shift signal in the discontinued period of the clock signal.Type: ApplicationFiled: March 7, 2014Publication date: September 18, 2014Applicant: Japan Display Inc.Inventors: Masayuki KOGA, Yukiya HIRABAYASHI, Takahiro OCHIAI