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公开(公告)号:US12287943B2
公开(公告)日:2025-04-29
申请号:US18443774
申请日:2024-02-16
Applicant: Japan Display Inc.
Inventor: Takayuki Nakanishi , Makoto Hayashi
Abstract: 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.
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公开(公告)号:US20240069681A1
公开(公告)日:2024-02-29
申请号:US18500172
申请日:2023-11-02
Applicant: Japan Display Inc.
Inventor: Takayuki Nakanishi , Koji Noguchi , Koji Ishizaki , Yasuyuki Teranishi , Takeya Takeuchi
CPC classification number: G06F3/0446 , G06F3/03547 , G06F3/0412 , G06F3/0418 , G06F3/0445 , G06F3/047 , G09G3/2983 , G09G3/2986 , G09G3/3696 , H01J11/12 , G02F1/134363
Abstract: A touch panel, a display panel, and a display unit achieving prevention of erroneous detection caused by external noise. The touch panel includes: a plurality of detection scan electrodes extending in a first direction and a plurality of detection electrodes facing the plurality of detection scan electrodes and extending in a second direction which intersects the first direction. The one or more selected detection scan electrodes are selected, in a desired unit, from the plurality of detection scan electrodes, to be supplied with a selection pulse, and each of the first and the second detection electrodes is selected from the plurality of detection electrodes.
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公开(公告)号:US11880535B2
公开(公告)日:2024-01-23
申请号:US17988367
申请日:2022-11-16
Applicant: Japan Display Inc.
Inventor: Takayuki Nakanishi , Naoki Takada , Fumitaka Gotoh , Shota Hosaka
IPC: G06F3/044 , G06F3/041 , H03K17/96 , H03K17/955
CPC classification number: G06F3/044 , G06F3/0412 , G06F3/0416 , G06F3/0445 , G06F3/0446 , G06F3/0448 , G06F3/041662 , H03K17/955 , H03K17/962 , G06F2203/04103 , G06F2203/04108 , H03K2017/9615
Abstract: 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.
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公开(公告)号:US20230205382A1
公开(公告)日:2023-06-29
申请号:US18173879
申请日:2023-02-24
Applicant: Japan Display Inc.
Inventor: Takayuki Nakanishi , Koji Noguchi , Koji Ishizaki , Yasuyuki Teranishi , Takeya Takeuchi
CPC classification number: G06F3/0446 , G09G3/2983 , G06F3/03547 , H01J11/12 , G09G3/2986 , G06F3/047 , G06F3/0445 , G06F3/0412 , G06F3/0418 , G09G3/3696 , G02F1/134363
Abstract: A touch panel, a display panel, and a display unit achieving prevention of erroneous detection caused by external noise. The touch panel includes: a plurality of detection scan electrodes extending in a first direction and a plurality of detection electrodes facing the plurality of detection scan electrodes and extending in a second direction which intersects the first direction. The one or more selected detection scan electrodes are selected, in a desired unit, from the plurality of detection scan electrodes, to be supplied with a selection pulse, and each of the first and the second detection electrodes is selected from the plurality of detection electrodes.
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公开(公告)号:US11669203B2
公开(公告)日:2023-06-06
申请号:US17514725
申请日:2021-10-29
Applicant: Japan Display Inc.
Inventor: Shota Hosaka , Takayuki Nakanishi , Naoki Takada , Fumitaka Gotoh
CPC classification number: G06F3/0418 , G06F3/0446 , G06F3/04166 , G06F2203/04108
Abstract: 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 supply of guard signal synchronized with first drive signal to second electrodes, and detector is configured to output an output signal including panel coordinates generated based on second detection signal.
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公开(公告)号:US11668967B2
公开(公告)日:2023-06-06
申请号:US17568751
申请日:2022-01-05
Applicant: Japan Display Inc.
Inventor: Koji Yoshida , Hirofumi Ohira , Soichiro Ohama , Naoki Takada , Takayuki Nakanishi
IPC: G02F1/1333 , G02F1/1343 , G02F1/137 , G02F1/155 , G02F1/163
CPC classification number: G02F1/13338 , G02F1/137 , G02F1/13439 , G02F1/134327 , G02F1/155 , G02F1/163
Abstract: 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.
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公开(公告)号:US11494020B2
公开(公告)日:2022-11-08
申请号:US17355309
申请日:2021-06-23
Applicant: Japan Display Inc.
Inventor: Hiroshi Mizuhashi , Hayato Kurasawa , Yoshitoshi Kida , Toshinori Uehara , Takayuki Nakanishi
Abstract: 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.
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公开(公告)号:US20210294453A1
公开(公告)日:2021-09-23
申请号:US17339203
申请日:2021-06-04
Applicant: Japan Display Inc.
Inventor: Takayuki Nakanishi , Koji Noguchi , Koji Ishizaki , Yasuyuki Teranishi , Takeya Takeuchi
Abstract: A touch panel, a display panel, and a display unit achieving prevention of erroneous detection caused by external noise. The touch panel includes: a plurality of detection scan electrodes extending in a first direction and a plurality of detection electrodes facing the plurality of detection scan electrodes and extending in a second direction which intersects the first direction. A ratio of fringe capacitance to total capacitance between one or more selected detection scan electrodes and a first detection electrode is different from a ratio of fringe capacitance to total capacitance between the one or more selected detection scan electrodes and a second detection electrode. The one or more selected detection scan electrodes are selected, in a desired unit, from the plurality of detection scan electrodes, to be supplied with a selection pulse, and each of the first and the second detection electrodes is selected from the plurality of detection electrodes.
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公开(公告)号:US10795520B2
公开(公告)日:2020-10-06
申请号:US16281465
申请日:2019-02-21
Applicant: Japan Display Inc.
Inventor: Takayuki Nakanishi
IPC: G06F3/041 , G06F3/044 , H05K9/00 , G02F1/1333
Abstract: 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.
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公开(公告)号:US10672364B2
公开(公告)日:2020-06-02
申请号:US16230011
申请日:2018-12-21
Applicant: Japan Display Inc.
Inventor: Takayuki Nakanishi , Tatsuya Yata
Abstract: An image display device includes an image display unit including first pixels each constituted of sub-pixels of three or more colors included in a first color gamut and second pixels each constituted of sub-pixels of three or more colors included in a second color gamut different from the first color gamut, the first pixels and the second pixels being arranged in a matrix and adjacent to each other; and a processing unit that determines an output of the sub-pixels included in each pixel of the image display unit corresponding to an input image signal. The processing unit determines an output of the sub-pixels included in the other one of the pixels based on part of components of an input image signal corresponding to one of the first pixel and the second pixel that are adjacent to each other.
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