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公开(公告)号：US09773464B2
公开(公告)日：2017-09-26
申请号：US14734782
申请日：2015-06-09
Applicant: Japan Display Inc.
Inventor： Kohei Azumi , Hirofumi Nakagawa , Hiroshi Mizuhashi , Makoto Hayashi
CPC classification number: G09G3/3611 , G09G3/3655 , G09G3/3674 , G09G3/3685 , G09G2300/023 , G09G2300/0426
Abstract: According to one embodiment, a touch detection device includes a plurality of drive electrodes, a plurality of detection electrodes, a display driver which performs a touch scanning drive by supplying a touch drive signal to a target drive electrode to be driven, and a touch driver which transmits and receives a signal to and from the display driver, wherein at least one of the number of pulses of the drive synchronizing signal and a pulse width of each of the pulses of the drive synchronizing signal is determined based on the signal received from the display driver.
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32.发明授权公开(公告)号：US09746949B2
公开(公告)日：2017-08-29
申请号：US14182432
申请日：2014-02-18
Applicant: Japan Display Inc.
Inventor： Michio Yamamoto , Jouji Yamada , Hirofumi Nakagawa , Kohei Azumi , Makoto Hayashi , Hiroshi Mizuhashi , Kozo Ikeno , Yoshitoshi Kida
CPC classification number: G06F3/0412 , G06F3/0416 , G06F3/044
Abstract: According to one embodiment, an electronic device includes a display device includes a plurality of first electrodes arranged in a matrix form, second electrodes opposite to the first electrodes, the second electrodes including a plurality of electrode patterns extending in a first direction and aligned in a second direction to cross the first direction, and third electrodes opposite to the second electrodes, the third electrodes including a plurality of electrode patterns extending in the second direction and aligned in the first direction, a display driver applying a sensor drive signal to the second electrodes, a detection circuit transmitting a detection data including physical quantity data detected from the plurality of electrode patterns of the third electrodes at each time when the sensor drive signal is applied to the second electrodes, and an application processor processing the detection data received from the detection circuit.
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33.发明授权公开(公告)号：US09740395B2
公开(公告)日：2017-08-22
申请号：US14211818
申请日：2014-03-14
Applicant: Japan Display Inc.
Inventor： Jouji Yamada , Hirofumi Nakagawa , Michio Yamamoto , Kohei Azumi , Makoto Hayashi , Hiroshi Mizuhashi , Kozo Ikeno , Yoshitoshi Kida
IPC: G06F3/0488 , G06F3/041 , G06F3/039 , G06K9/00
CPC classification number: G06F3/0488 , G06F3/039 , G06F3/0412 , G06F3/0416 , G06F2203/04101 , G06K9/00201 , G06K9/00335 , G06K2009/00395
Abstract: According to one embodiment, an electronic apparatus includes a sensor-integrated display device integrally including a display surface and a sensor surface, a data transfer device, an image data generation module, and a processing module. The data transfer device is configured to generate and output three-dimensional information. The image data generation module is configured to generate three-dimensional image data at a plurality of sensing points on the sensor surface based on the three-dimensional information. The processing module is configured to analyze an operation content of a conductor above the sensor surface based on the image data.
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公开(公告)号：US09576549B2
公开(公告)日：2017-02-21
申请号：US14186431
申请日：2014-02-21
Applicant: Japan Display Inc.
Inventor： Yoshitoshi Kida , Jouji Yamada , Hirofumi Nakagawa , Michio Yamamoto , Kohei Azumi , Makoto Hayashi , Hiroshi Mizuhashi , Kozo Ikeno
CPC classification number: G06F3/0416 , G06F3/0412 , G06F3/0418 , G06F3/044 , G06F2203/04101 , G09G5/003
Abstract: According to one embodiment, an electronic apparatus, includes a sensor-equipped display device includes a display device and a sensor configured to detect a contact or proximate position, a display driver configured to output an image display signal to the display device and to output a drive signal to the sensor, a detecting circuit configured to generate, based on the information from the sensor, raw data (Raw data) including three-dimensional information of coordinates of a position on the display device and a physical quantity at the coordinates, and an application processor configured to discriminate whether a part of the region in the display area should be further sensed or not, based on the raw data, and if the part of the region is further sensed, to output the range of the display device to be further sensed and the timing of driving the sensor to the display driver.
Abstract translation: 根据一个实施例，电子设备包括具有传感器的显示设备，包括显示设备和被配置为检测接触或接近位置的传感器，被配置为将图像显示信号输出到显示设备并且输出 驱动信号传送到传感器，检测电路被配置为基于来自传感器的信息生成包括显示装置上的位置的坐标的三维信息和坐标处的物理量的原始数据（原始数据），以及 应用处理器，其被配置为基于所述原始数据来判别所述显示区域中的所述区域的一部分是否应被进一步感测，并且如果所述区域的所述部分被进一步感测，则将所述显示设备的所述范围输出为 进一步感测到驱动传感器到显示器驱动器的定时。
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公开(公告)号：US09448661B2
公开(公告)日：2016-09-20
申请号：US14186216
申请日：2014-02-21
Applicant: Japan Display Inc.
Inventor： Kohei Azumi , Jouji Yamada , Hirofumi Nakagawa , Michio Yamamoto , Makoto Hayashi , Hiroshi Mizuhashi , Kozo Ikeno , Yoshitoshi Kida
CPC classification number: G06F3/0416 , G06F3/0412 , G06F3/044
Abstract: According to one embodiment, an electronic device includes a display device having a plurality of first electrodes arranged in a matrix form, second electrodes including a plurality of electrode patterns extending in a first direction and aligned in a second direction to cross the first direction, and third electrodes including a plurality of electrode patterns extending in the second direction and aligned in the first direction, a display driver configured to apply a sensor drive signal to the second electrodes, a detection circuit configured to transmit a detection data group including physical quantity data detected in one detection period from the plurality of electrode patterns of the third electrodes at each time when the sensor drive signal is applied to the second electrodes, and an application processor configured to process the detection data group received from the detection circuit.
Abstract translation: 根据一个实施例，一种电子设备包括具有以矩阵形式布置的多个第一电极的显示装置，第二电极包括沿第一方向延伸并沿第二方向排列以跨越第一方向的多个电极图案;以及 第三电极，包括沿第二方向延伸并且沿第一方向排列的多个电极图案;被配置为向第二电极施加传感器驱动信号的显示驱动器;检测电路，被配置为发送包括检测到的物理量数据的检测数据组 在每个传感器驱动信号被施加到第二电极的每一次的第三电极的多个电极图案的一个检测周期中，以及应用处理器，被配置为处理从检测电路接收的检测数据组。
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Patent Agency Ranking
公开(公告)号：US12019815B2
公开(公告)日：2024-06-25
申请号：US16886022
申请日：2020-05-28
Applicant: Japan Display Inc.
Inventor： Makoto Hayashi
CPC classification number: G06F3/0412 , G06F3/04166 , G06F3/0446
Abstract: A display device is provided and includes a touch sensor with electrodes configured to operate in a touch detection period and in a display period; and pixels with pixel electrodes, wherein at least one of the electrodes has thin line portions and protruding electrode portions, the thin line and protruding electrode portions are arranged alternately in a first direction, the thin line portions have a first width in a second direction intersecting the first direction, the protruding electrode portions have a second width in the second direction, and the first width is smaller than the second width.
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37.发明授权公开(公告)号：US12008196B2
公开(公告)日：2024-06-11
申请号：US17838685
申请日：2022-06-13
Applicant: Japan Display Inc.
Inventor： Makoto Hayashi , Yuto Kakinoki , Takaaki Kono
CPC classification number: G06F3/04166 , G06F3/0412 , G06F3/0446
Abstract: An input detection system includes a display device with a detection function including a plurality of pixels, a plurality of drive electrodes, and a plurality of detection electrodes arrayed in a display region, 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, and a drive electrode scan circuit configured to supply a drive signal to the drive electrodes.
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公开(公告)号：US11868550B2
公开(公告)日：2024-01-09
申请号：US17505816
申请日：2021-10-20
Applicant: Japan Display Inc.
Inventor： Takaaki Kono , Makoto Hayashi , Yuto Kakinoki
IPC: G06F3/041 , G06F3/044 , G06F3/0362
CPC classification number: G06F3/0362 , G06F3/0416 , G06F3/0443 , G06F3/0448
Abstract: An input detection system includes a detection device including a plurality of detection electrodes arrayed in a detection region, and an input support device including a first electrode, a second electrode provided so as to be movable on a concentric circle about a rotating axis overlapping with the first electrode, and a coupling portion that electrically couples the first electrode and the second electrode. A position of the rotating axis of the input support device is fixed to the detection region of the detection device, and a reference potential is supplied to the detection electrode corresponding to the first electrode and a drive signal is supplied to the detection electrode corresponding to the second electrode.
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公开(公告)号：US11650703B2
公开(公告)日：2023-05-16
申请号：US15930717
申请日：2020-05-13
Applicant: Japan Display Inc.
Inventor： Takaaki Kono , Yoshio Owaki , Makoto Hayashi , Hiroyuki Miyake
CPC classification number: G06F3/0445 , G06F3/0416 , G06F3/0448 , G06F2203/0382 , G06F2203/04101 , G06F2203/04108
Abstract: An object of the present invention is to provide a technique for providing a detection function of detecting that an external approaching object approaches a sensor region of a touch sensor, without increasing an area of the touch sensor and making a circuit complex. According to an aspect, a display device includes a first detection electrode that detects a position of an external approaching object within a detection surface, and plural second detection electrodes that detect that the external approaching object approaches the detection surface. The second detection electrodes extend in a second direction and are arranged in a first direction intersecting the second direction. The second detection electrodes overlap the first detection electrode in a plan view.
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公开(公告)号：US10684730B2
公开(公告)日：2020-06-16
申请号：US15645141
申请日：2017-07-10
Applicant: Japan Display Inc.
Inventor： Kohei Azumi , Jouji Yamada , Hirofumi Nakagawa , Michio Yamamoto , Makoto Hayashi , Hiroshi Mizuhashi , Kozo Ikeno , Yoshitoshi Kida
Abstract: According to one embodiment, an electronic apparatus includes a sensor-equipped display device including a display device and a sensor which outputs information for detecting a contact position on the display device, a display driver which outputs a driving signal to the sensor based on one setting table, an application processor which outputs a table selection signal specifying a setting table and a sensor setting signal specifying a driving method of the sensor to the display driver, and a sensing circuit which outputs a dataset including three-dimensional information of a coordinate of a position on the display device and a physical quantity at the coordinate to the application processor, and outputs a table selection request signal generated based on the table selection signal, and a control signal which controls driving timing of the sensor to the display driver, the control signal having generated based on the sensor setting signal.
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