Patents by Inventor Takayuki Nakanishi
Takayuki Nakanishi 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: 20230072599Abstract: The sensor module includes a sensor substrate, a plurality of sensor electrodes, and a plurality of sensor wirings. The sensor substrate has a sensor region and a sensor frame region surrounding the sensor region. The plurality of sensor electrodes is located over the sensor region and is arranged in a plurality of rows and a plurality of columns. The plurality of sensor wirings respectively corresponds to the plurality of sensor electrodes, is electrically connected to the corresponding sensor electrodes, respectively, and each has a terminal over the sensor frame region. The plurality of terminals is arranged along a side of the sensor region. At least one of the sensor wirings connected to the sensor electrode includes a resistance-adjusting portion in each column. A resistance of the resistance-adjusting portion is higher than a resistance of another portion in the sensor wiring including the resistance-adjusting portion.Type: ApplicationFiled: August 10, 2022Publication date: March 9, 2023Inventor: Takayuki NAKANISHI
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Publication number: 20230076426Abstract: A sensing device includes a plurality of sensing electrodes arranged in the row and column directions to detect a close object, a plurality of wirings connected to each of the plurality of sensing electrodes, a sensing circuit connected to the plurality of wirings and detecting voltage values of a plurality of sensing electrodes in a plurality of sensing periods and a calculation circuit calculating a position of the close object in proximity using the voltage values detected by the sensing circuit. The sensing circuit uses a set of sensing electrodes adjacent to each other in row and column direction as a sensing unit, sets the plurality of sensing periods consecutively, and changes the sensing electrodes included in the sensing unit to be different by one row in the row direction or one column for each sensing periods.Type: ApplicationFiled: August 31, 2022Publication date: March 9, 2023Inventors: Fumihoru NAKANO, Naoki TAKADA, Takayuki NAKANISHI
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Publication number: 20230073861Abstract: A sensor module includes: a plurality of sensor electrodes arranged in a plurality of rows and a plurality of columns; a plurality of terminals respectively corresponding to the plurality of sensor electrodes; and a plurality of sensor wirings respectively corresponding to the plurality of sensor electrodes. Each of the plurality of sensor wirings electrically connects the respective sensor electrode to the respective terminal without passing through any other sensor electrode. Each of the plurality of sensor electrodes does not overlap at least the plurality of sensor wirings other than the corresponding sensor wiring.Type: ApplicationFiled: August 26, 2022Publication date: March 9, 2023Inventors: Takayuki NAKANISHI, Makoto HAYASHI
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Publication number: 20230072065Abstract: A proximity sensor is arranged with a first electrode input with a first signal, a second electrode input with a second signal different from the first signal, a third electrode arranged closer to the first electrode than the second electrode, and the second signal has a reverse phase of the first signal.Type: ApplicationFiled: November 16, 2022Publication date: March 9, 2023Applicant: Japan Display Inc.Inventors: Takayuki NAKANISHI, Naoki TAKADA, Fumitaka GOTOH, Shota HOSAKA
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Publication number: 20230017680Abstract: According to one embodiment, a display device includes a display panel and a ring-shaped electrode. The display panel includes a display area for displaying an image, a plurality of first electrodes arranged to surround the display area, and at least one second electrode arranged to surround the plurality of first electrodes. The ring-shaped electrode is arranged on the display panel and is arranged at a position overlapping with the second electrode in planar view. The ring-shaped electrode includes a protruding portion overlapping with at least one of the plurality of first electrodes in planar view.Type: ApplicationFiled: September 19, 2022Publication date: January 19, 2023Inventors: Akihiko FUJISAWA, Kaoru ITO, Tsutomu HARADA, Takayuki NAKANISHI
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Publication number: 20220413631Abstract: An input detection system includes a detection device including a plurality of drive electrodes and a plurality of detection electrodes arrayed in a detection region, and a drive electrode scan circuit configured to supply a drive signal to the drive electrodes, and an input device including an LC circuit, a first electrode coupled to one end side of the LC circuit, and a second electrode coupled to the other end side of the LC circuit. The drive electrode scan circuit supplies the drive signal to at least equal to or more than one of the drive electrodes and supplies, to the others of the drive electrodes, an opposite phase signal as a drive signal having an opposite phase to a phase of the drive signal.Type: ApplicationFiled: June 27, 2022Publication date: December 29, 2022Inventors: Yuto KAKINOKI, Makoto HAYASHI, Takaaki KONO, Takayuki NAKANISHI
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Patent number: 11536991Abstract: According to one embodiment, a display device includes an illumination device, a display panel modulating light from the illumination device and emitting image light, a polarized light modulation element transmitting the image light from the display panel and diffusing external light, and a magnification mirror magnifying an image by the image light transmitted through the polarized light modulation element. The polarized light modulation element is a liquid crystal lens including a first substrate, a second substrate, a liquid crystal layer held between the first substrate and the second substrate, and a first control electrode and a second control electrode applying voltage to the liquid crystal layer.Type: GrantFiled: May 14, 2021Date of Patent: December 27, 2022Assignee: Japan Display Inc.Inventor: Takayuki Nakanishi
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Patent number: 11531432Abstract: A proximity sensor is arranged with a first electrode input with a first signal, a second electrode input with a second signal different from the first signal, a third electrode arranged closer to the first electrode than the second electrode, and the second signal has a reverse phase of the first signal.Type: GrantFiled: August 24, 2021Date of Patent: December 20, 2022Assignee: Japan Display Inc.Inventors: Takayuki Nakanishi, Naoki Takada, Fumitaka Gotoh, Shota Hosaka
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Patent number: 11499093Abstract: A rare earth complex including a rare earth ion and a ligand coordinated with the rare earth ion and having a condensed polycyclic aromatic group.Type: GrantFiled: February 22, 2018Date of Patent: November 15, 2022Assignee: NATIONAL UNIVERSITY CORPORATION HOKKAIDO UNIVERSITYInventors: Yuichi Kitagawa, Fumiya Suzue, Takayuki Nakanishi, Koji Fushimi, Yasuchika Hasegawa
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Patent number: 11494020Abstract: A display device comprises a first power supply line supplying a first potential, a second power supply line supplying a second potential, a third power supply line supplying a touch driving signal, and a display unit including a plurality of sub-pixels. The display unit comprises a plurality of first electrodes respectively provided in the plurality of sub-pixels and electrically connected to the first power supply line, a second electrode provided to be common among the plurality of sub-pixels and electrically connected to the second power supply line, a light emitting layer provided between the first electrode and the second electrode, a plurality of third electrodes electrically connected to the third power supply line, and a signal control circuit supplying a signal synchronized with a touch driving signal to the second electrode in a period in which a touch driving signal is supplied to the plurality of third electrodes.Type: GrantFiled: June 23, 2021Date of Patent: November 8, 2022Assignee: Japan Display Inc.Inventors: Hiroshi Mizuhashi, Hayato Kurasawa, Yoshitoshi Kida, Toshinori Uehara, Takayuki Nakanishi
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Patent number: 11448933Abstract: According to an aspect, a display device includes: a display region in which a plurality of pixels are arrayed in a row direction and a column direction; a plurality of gate lines extending in the row direction and coupled to the pixels; a plurality of signal lines extending in the column direction and coupled to the pixels; a plurality of pixel electrodes provided in the pixels; a plurality of first electrodes facing the pixel electrodes; a plurality of auxiliary wiring lines coupled to the respective first electrodes; a second electrode provided in the same layer as the auxiliary wiring lines and overlapping with the signal lines; and a detection circuit configured to detect force applied to the display region based on at least first capacitance generated between the second electrode and the signal lines.Type: GrantFiled: June 15, 2021Date of Patent: September 20, 2022Assignee: JAPAN DISPLAY INC.Inventors: Yuto Kakinoki, Naoki Takada, Takayuki Nakanishi
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Patent number: 11415826Abstract: A display device includes a display region in which a plurality of pixels are arrayed in a row direction and a column direction. Gate lines each configured to supply gate signals to the pixels are aligned in the row direction. Signal lines each configured to supply pixel signals to the pixels are aligned in the column direction. At least one first semiconductor force sensor is provided in the display region. At least one second semiconductor force sensor is provided in a frame region outside the display region. A detection circuit detects force applied to the display region based on a middle-point voltage between the first semiconductor force sensor and the second semiconductor force sensor.Type: GrantFiled: May 12, 2021Date of Patent: August 16, 2022Assignee: Japan Display Inc.Inventors: Naoki Takada, Takayuki Nakanishi, Yuto Kakinoki
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Patent number: 11360597Abstract: A display device with an input function is provided having a plurality of pixel parts arranged at intervals in a first direction and a second direction intersecting the first direction, and a display region including a plurality of light-transmitting parts arranged in the gap portions of the pixel parts, the pixel parts include at least one pixel provided with light-emitting elements, the light-transmitting part includes a sensor electrode for detecting electrostatic capacitance.Type: GrantFiled: December 3, 2020Date of Patent: June 14, 2022Assignee: Japan Display Inc.Inventor: Takayuki Nakanishi
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Publication number: 20220128852Abstract: The display device includes a display panel and a front surface panel that is superimposed with the display panel, and that is switched between a reflective state in which incident light is reflected and a transmissive state in which incident light is transmitted. The front surface panel can detect presence of an object to be detected.Type: ApplicationFiled: January 5, 2022Publication date: April 28, 2022Applicant: Japan Display Inc.Inventors: Koji YOSHIDA, Hirofumi OHIRA, Soichiro OHAMA, Naoki TAKADA, Takayuki NAKANISHI
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Patent number: 11284548Abstract: A display device with an input function is provided with a display panel, a touch sensor arranged overlapping the display panel, and an electromagnetic shield arranged overlapping the display panel, the display panel, the touch sensor, and the electromagnetic shield have flexibility, the display panel includes a substrate having flexibility, a functional circuit layer arranged on the first surface of the substrate, and a display element layer provided in a location facing the first surface via the functional circuit layer, the touch sensor includes a plurality of electrostatic capacitance type sensor electrodes arranged in a location facing the functional circuit layer via the display element layer, the electromagnetic shield is arranged in a location further outside than the touch sensor from the rolled axis or the folded axis of the substrate when the functional circuit layer and the display element layer are rolled or folded inward.Type: GrantFiled: August 26, 2020Date of Patent: March 22, 2022Assignee: Japan Display Inc.Inventor: Takayuki Nakanishi
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Publication number: 20220050549Abstract: Detection device is provided and includes first and second electrodes disposed facing or close to first electrodes; first drive circuit configured to supply first drive signal; second driver circuit configured to supply second drive signal; and detector configured to detect detection signal output from first electrodes, wherein detection device has first period in which detector detects first detection signal output from first electrodes in response to supply of second drive signal to second electrodes, if first detection signal detected in first period is equal to or higher than predetermined threshold, detector is configured to output an output signal including panel coordinates generated based on first detection signal, if first detection signal detected in first period is lower than predetermined threshold, detection device is transitioned to a second period in which detector detects second detection signal output from first electrodes in response to supply of first drive signal to first electrodes and suType: ApplicationFiled: October 29, 2021Publication date: February 17, 2022Inventors: Shota HOSAKA, Takayuki NAKANISHI, Naoki TAKADA, Fumitaka GOTOH
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Patent number: 11251535Abstract: Out of a plurality of receiving element antennas (2a) in a receiving antenna (2), with respect to one receiving element antenna (2acenter) as the center, the remaining receiving element antennas (2an) are arranged symmetrically, and with distance from the one receiving element antenna (2acenter), each of the remaining receiving element antennas (2an) is arranged to have a longer distance (Ln) to a position orthogonal to a straight line (A) passing through a position at which each of one or more transmitting element antennas (1a) is arranged.Type: GrantFiled: January 30, 2017Date of Patent: February 15, 2022Assignee: MITSUBISHI ELECTRIC CORPORATIONInventors: Takayuki Nakanishi, Yoshio Inasawa, Takeshi Yamamoto
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Patent number: 11249335Abstract: The display device includes a display panel and a front surface panel that is superimposed with the display panel, and that is switched between a reflective state in which incident light is reflected and a transmissive state in which incident light is transmitted. The front surface panel can detect presence of an object to be detected.Type: GrantFiled: February 4, 2021Date of Patent: February 15, 2022Assignee: JAPAN DISPLAY INC.Inventors: Koji Yoshida, Hirofumi Ohira, Soichiro Ohama, Naoki Takada, Takayuki Nakanishi
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Publication number: 20210382571Abstract: A proximity sensor is arranged with a first electrode input with a first signal, a second electrode input with a second signal different from the first signal, a third electrode arranged closer to the first electrode than the second electrode, and the second signal has a reverse phase of the first signal.Type: ApplicationFiled: August 24, 2021Publication date: December 9, 2021Applicant: Japan Display Inc.Inventors: Takayuki NAKANISHI, Naoki TAKADA, Fumitaka GOTOH, Shota HOSAKA
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Publication number: 20210356774Abstract: According to one embodiment, a display device includes an illumination device, a display panel modulating light from the illumination device and emitting image light, a polarized light modulation element transmitting the image light from the display panel and diffusing external light, and a magnification mirror magnifying an image by the image light transmitted through the polarized light modulation element. The polarized light modulation element is a liquid crystal lens including a first substrate, a second substrate, a liquid crystal layer held between the first substrate and the second substrate, and a first control electrode and a second control electrode applying voltage to the liquid crystal layer.Type: ApplicationFiled: May 14, 2021Publication date: November 18, 2021Applicant: Japan Display Inc.Inventor: Takayuki NAKANISHI