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公开(公告)号：US09626056B2
公开(公告)日：2017-04-18
申请号：US14802102
申请日：2015-07-17
Applicant: Japan Display Inc.
Inventor： Hayato Kurasawa , Hiroshi Mizuhashi , Yoshitoshi Kida
CPC classification number: G06F3/0412 , G02F1/13338 , G02F1/134309 , G02F2201/121 , G02F2201/123 , G06F3/0416 , G06F3/044 , G06F2203/04107 , G06F2203/04108
Abstract: According to one embodiment, a sensor-equipped display device includes a display panel, a sensor and a controller. The sensor includes a plurality of detection electrodes. Each of the detection electrodes includes a first electrode and a second electrode. The first electrode includes a greater area in a rear part than in a front part in the first direction in the detection electrode. The second electrode includes a greater area in the front part than in the rear part in the first direction in the detection electrode.
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公开(公告)号：US20170097731A1
公开(公告)日：2017-04-06
申请号：US15381660
申请日：2016-12-16
Applicant: Japan Display Inc.
Inventor： Koji Noguchi , Yoshitoshi Kida , Kohei Azumi , Takayuki Nakanishi , Hiroshi Mizuhashi
IPC: G06F3/041 , G06F3/044 , G02F1/1337 , G02F1/1362 , G02F1/1368 , G02F1/1335 , G02F1/1333 , G02F1/1343
CPC classification number: G06F3/0416 , G02F1/13338 , G02F1/133514 , G02F1/133528 , G02F1/133707 , G02F1/134336 , G02F1/136286 , G02F1/1368 , G02F2001/133302 , G02F2201/123 , G06F3/0412 , G06F3/044 , G06F2203/04108
Abstract: A display device including a display section having a plurality of pixel electrodes; and a plurality of drive electrodes extending in a first direction and arranged side-by-side in a second direction. Each of the drive electrodes has a width in the second direction corresponding to a size of the two or more pixel electrodes, and has one or more slits extending in the first direction.
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83.发明授权Display device with touch detection, drive circuit, driving method, and electronic unit 有权具有触摸检测，驱动电路，驱动方式和电子单元的显示装置公开(公告)号：US09563302B2
公开(公告)日：2017-02-07
申请号：US15008949
申请日：2016-01-28
Applicant: Japan Display Inc.
Inventor： Koji Noguchi , Yoshitoshi Kida , Takayuki Nakanishi
CPC classification number: G06F3/0412 , G06F3/0416 , G06F3/044 , G09G3/3674 , G09G5/18
Abstract: A display device includes: a plurality of drive electrodes; a plurality of detection electrodes intersecting the plurality of drive electrodes; and a scan driving unit performing a first scan drive and a second scan drive. The first scan drive allows a display drive signal for driving the display elements to be applied to each of the plurality of common drive electrodes, and the second scan drive allows a touch detection drive signal for detecting an external proximity object to be applied to each of the plurality of common drive electrodes.
Abstract translation: 显示装置包括：多个驱动电极; 与所述多个驱动电极相交的多个检测电极; 以及执行第一扫描驱动和第二扫描驱动的扫描驱动单元。 第一扫描驱动器允许用于驱动显示元件的显示驱动信号施加到多个公共驱动电极中的每一个，并且第二扫描驱动器允许用于检测外部接近物体的触摸检测驱动信号被施加到 多个公共驱动电极。
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84.发明授权Display device with touch detection function, drive method thereof, and electronic apparatus 有权具有触摸检测功能的显示装置，其驱动方法和电子设备公开(公告)号：US09285937B2
公开(公告)日：2016-03-15
申请号：US14098157
申请日：2013-12-05
Applicant: Japan Display Inc.
Inventor： Yoshitoshi Kida , Koji Noguchi , Yasuyuki Teranishi , Hiroshi Mizuhashi , Kohei Azumi
CPC classification number: G06F3/0412 , G06F3/0416 , G06F3/0418 , G06F3/044 , G06F2203/04108
Abstract: According to an aspect, a display device with a touch detection function includes: a scan drive unit that supplies a touch drive signal to a touch detection element in a touch detection operation period different from a display operation period in which a pixel signal and a display drive signal are sequentially supplied to display elements to perform display scanning; and a noise detector that detects noise included in a frequency component sampled by a touch detection unit. When the noise detector detects the noise, the scan drive unit changes a frequency of the touch drive signal in the touch detection operation period and supplies the changed frequency to the touch detection element.
Abstract translation: 根据一个方面，具有触摸检测功能的显示装置包括：扫描驱动单元，其在与像素信号和显示器的显示操作时段不同的触摸检测操作时段中向触摸检测元件提供触摸驱动信号 驱动信号顺序地提供给显示元件以执行显示扫描; 以及噪声检测器，其检测包括在由触摸检测单元采样的频率分量中的噪声。 当噪声检测器检测到噪声时，扫描驱动单元在触摸检测操作期间改变触摸驱动信号的频率，并将改变的频率提供给触摸检测元件。
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公开(公告)号：US09280954B2
公开(公告)日：2016-03-08
申请号：US14540804
申请日：2014-11-13
Applicant: Japan Display Inc.
Inventor： Koji Noguchi , Yoshitoshi Kida , Takayuki Nakanishi
CPC classification number: G06F3/0412 , G06F3/0416 , G06F3/044 , G09G3/3674 , G09G5/18
Abstract: A display device includes: a plurality of drive electrodes; a plurality of detection electrodes intersecting the plurality of drive electrodes; and a scan driving unit performing a first scan drive and a second scan drive. The first scan drive allows a display drive signal for driving the display elements to be applied to each of the plurality of common drive electrodes, and the second scan drive allows a touch detection drive signal for detecting an external proximity object to be applied to each of the plurality of common drive electrodes.
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Patent Agency Ranking
86.发明申请DISPLAY PANEL WITH TOUCH DETECTION FUNCTION, METHOD OF DRIVING THE SAME, DRIVING CIRCUIT, AND ELECTRONIC UNIT 审中-公开具有触摸检测功能的显示面板，驱动它们的方法，驱动电路和电子单元公开(公告)号：US20150370381A1
公开(公告)日：2015-12-24
申请号：US14842291
申请日：2015-09-01
Applicant: c/o Japan Display Inc.
Inventor： Hiroshi Mizuhashi , Yoshitoshi Kida , Koji Noguchi
IPC: G06F3/044
CPC classification number: G06F3/044 , G06F3/0412
Abstract: There are provide a display panel with a touch detection function, in which display operation is less affected by touch detection operation, a method of driving the display panel with a touch detection function, a driving circuit, and an electronic unit having the display panel with a touch detection function. The display panel with a touch detection function includes: one or more display elements; one or more drive electrodes; one or more touch detection electrodes; and a drive section selectively applying a DC drive signal or an AC drive signal to the drive electrodes.
Abstract translation: 提供了具有触摸检测功能的显示面板，其中显示操作受到触摸检测操作的影响较小，具有触摸检测功能的显示面板的驱动方法，驱动电路和具有显示面板的电子单元 触摸检测功能。 具有触摸检测功能的显示面板包括：一个或多个显示元件; 一个或多个驱动电极; 一个或多个触摸检测电极; 以及驱动部，选择性地将DC驱动信号或AC驱动信号施加到驱动电极。
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87.发明授权公开(公告)号：US09030431B2
公开(公告)日：2015-05-12
申请号：US13718634
申请日：2012-12-18
Applicant: Japan Display Inc.
Inventor： Hiroshi Mizuhashi , Yoshitoshi Kida
CPC classification number: G06F3/0416 , G02F1/13338 , G06F3/0412 , G06F3/044 , G06F2203/04112
Abstract: A display panel includes: display elements; a plurality of drive electrodes; one or more touch detecting electrodes that form a capacitor along with the corresponding drive electrode; a main driver unit that generates a basic drive signal including a pulse part supplied to the drive electrodes; and a first auxiliary driver unit that includes a capacitive element and that exchanges electric charges between the capacitive element and the drive electrodes in synchronization with the pulse part.
Abstract translation: 显示面板包括：显示元件; 多个驱动电极; 与相应的驱动电极一起形成电容器的一个或多个触摸检测电极; 主驱动器单元，其产生包括提供给驱动电极的脉冲部分的基本驱动信号; 以及第一辅助驱动器单元，其包括电容元件，并且与脉冲部分同步地在电容元件和驱动电极之间交换电荷。
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88.发明申请DISPLAY DEVICE WITH TOUCH DETECTION FUNCTION, DRIVE METHOD THEREOF, AND ELECTRONIC APPARATUS 有权具有触摸检测功能的显示设备，其驱动方法和电子设备公开(公告)号：US20140152617A1
公开(公告)日：2014-06-05
申请号：US14098157
申请日：2013-12-05
Applicant: Japan Display Inc.
Inventor： Yoshitoshi Kida , Koji Noguchi , Yasuyuki Teranishi , Hiroshi Mizuhashi , Kohei Azumi
IPC: G06F3/044
CPC classification number: G06F3/0412 , G06F3/0416 , G06F3/0418 , G06F3/044 , G06F2203/04108
Abstract: According to an aspect, a display device with a touch detection function includes: a scan drive unit that supplies a touch drive signal to a touch detection element in a touch detection operation period different from a display operation period in which a pixel signal and a display drive signal are sequentially supplied to display elements to perform display scanning; and a noise detector that detects noise included in a frequency component sampled by a touch detection unit. When the noise detector detects the noise, the scan drive unit changes a frequency of the touch drive signal in the touch detection operation period and supplies the changed frequency to the touch detection element.
Abstract translation: 根据一个方面，具有触摸检测功能的显示装置包括：扫描驱动单元，其在与像素信号和显示器的显示操作时段不同的触摸检测操作时段中向触摸检测元件提供触摸驱动信号 驱动信号顺序地提供给显示元件以执行显示扫描; 以及噪声检测器，其检测包括在由触摸检测单元采样的频率分量中的噪声。 当噪声检测器检测到噪声时，扫描驱动单元在触摸检测操作期间改变触摸驱动信号的频率，并将改变后的频率提供给触摸检测元件。
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89.发明授权公开(公告)号：US11960672B2
公开(公告)日：2024-04-16
申请号：US18078410
申请日：2022-12-09
Applicant: Japan Display Inc.
Inventor： Koji Noguchi , Yoshitoshi Kida , Kohei Azumi
CPC classification number: G06F3/0412 , G06F3/04166 , G06F3/0418 , G06F3/04184 , G06F3/0445 , G06F3/0446 , G06F3/047 , G09G3/36 , G09G3/3677 , G09G5/003 , G09G5/18 , G09G3/3685 , G09G2300/0426 , G09G2310/0202 , G09G2310/0297 , G09G2310/08
Abstract: A display device is provided and includes signal line; pixel electrode; drive electrode opposed to pixel electrode; scanning lines; and display periods and a detection period in frame, wherein during one of display periods, common voltage is applied to drive electrode, scanning signal is applied to some scanning lines, pixel signal is applied to pixel electrode, wherein, during detection period, AC drive or pulse signal is applied to drive electrode, AC drive or pulse signal having pulses, wherein pulses during the detection period is less than number of some of scanning signal lines.
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公开(公告)号：US11620013B2
公开(公告)日：2023-04-04
申请号：US17666674
申请日：2022-02-08
Applicant: Japan Display Inc.
Inventor： Yoshitoshi Kida , Koji Noguchi , Hiroshi Mizuhashi , Kohei Azumi
IPC: G06F3/044 , G06F3/041 , H03K17/96 , G02F1/1333
Abstract: There are provided a display panel with a touch detection function, a drive circuit, and an electronic unit, which make it possible to realize many functions related to touch detection. The display panel includes: one or more display elements; one or more drive electrodes extending in one direction; an electrode drive section integrated into a chip, and applying a drive signal to the drive electrodes; and one or more touch detection electrodes extending in a direction intersecting the direction in which the drive electrodes extend.
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