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公开(公告)号：US09753599B2
公开(公告)日：2017-09-05
申请号：US15248239
申请日：2016-08-26
Applicant: Japan Display Inc.
Inventor： Yoshitoshi Kida , Koji Noguchi , Yasuyuki Teranishi , Hiroshi Mizuhashi , Kohei Azumi
CPC classification number: G06F3/044 , G06F3/0412 , G06F3/0416 , G06F3/0418
Abstract: According to an aspect, a display device with a touch detection function includes a plurality of drive electrodes that face a plurality of pixel electrodes in an orthogonal direction to the surface of the substrate, and extend in a direction parallel to the direction in which a plurality of signal lines extend. The display device with a touch detection function also includes a scan driving unit that applies a touch drive signal to a signal line that faces, in an overlapping manner in the orthogonal direction, a drive electrode to which the touch drive signal is applied.
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公开(公告)号：US09727180B2
公开(公告)日：2017-08-08
申请号：US14187798
申请日：2014-02-24
Applicant: Japan Display Inc.
Inventor： Kohei Azumi , Jouji Yamada , Hirofumi Nakagawa , Michio Yamamoto , Makoto Hayashi , Hiroshi Mizuhashi , Kozo Ikeno , Yoshitoshi Kida
CPC classification number: G06F3/044 , G06F3/0412 , G06F3/0416
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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公开(公告)号：US09720536B2
公开(公告)日：2017-08-01
申请号：US14852748
申请日：2015-09-14
Applicant: Japan Display Inc.
Inventor： Kohei Azumi , Hiroshi Mizuhashi , Hayato Kurasawa
IPC: G06F3/0488 , G06F3/041 , G06F3/044
CPC classification number: G06F3/0412 , G06F3/0416 , G06F3/044 , G09G3/3655
Abstract: According to one embodiment, a first substrate includes a gate line extending in a first direction, a source line extending in a second direction intersecting the first direction, a switching element SW which is connected to the gate line and the source line, and a pixel electrode which is connected to the switching element SW. The first substrate includes a common electrode which is opposed to the pixel electrode, and a detection electrode element Tx necessary for sensing a state of closeness of a conductor brought externally, that extends parallel to the common electrode and is formed of a metallic material. By this structure, power consumption of a drive electrode of an input sensor can be reduced, and improvement of a drive frequency can be obtained.
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公开(公告)号：US09710100B2
公开(公告)日：2017-07-18
申请号：US14850392
申请日：2015-09-10
Applicant: Japan Display Inc.
Inventor： Hayato Kurasawa , Koji Ishizaki , Kohei Azumi
CPC classification number: G06F3/0416 , G06F3/0412 , G06F3/044 , G06F2203/04103 , G06T5/20 , G09G3/2074 , G09G3/3655 , G09G3/3696 , G09G2300/0426
Abstract: A display device includes: a display layer; plural first electrodes formed to be arranged above the display layer; a shield electrode formed apart from the plural first electrodes so as to surround the whole plural first electrodes along an arrangement surface; an insulating layer; and a semiconductive layer formed opposite to the first electrodes and the shield electrode so as to sandwich the insulating layer, wherein the difference between an average potential of the first electrodes and an average potential of the shield electrode is equal to or less than 0.5V.
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公开(公告)号：US20170131815A1
公开(公告)日：2017-05-11
申请号：US15412594
申请日：2017-01-23
Applicant: Japan Display Inc.
Inventor： Koji Noguchi , Yoshitoshi Kida , Kohei Azumi
CPC classification number: G06F3/0412 , G06F3/0416 , G06F3/0418 , G06F3/044 , G06F3/047 , G09G3/36 , G09G3/3677 , G09G3/3685 , G09G5/003 , G09G5/18 , G09G2300/0426 , G09G2310/0202 , G09G2310/0297 , G09G2310/08
Abstract: A display apparatus includes: a display device; a touch detection device; and a driver unit driving the display device so as to sequentially display M horizontal lines in each of plural unit drive periods forming one frame period and driving the touch detection device in N touch detection periods provided in each unit drive period, in which N is lower than M.
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Patent Agency Ranking
公开(公告)号：US09632621B2
公开(公告)日：2017-04-25
申请号：US15152934
申请日：2016-05-12
Applicant: Japan Display Inc.
Inventor： Shigesumi Araki , Mitsutaka Okita , Kazuhiro Nishiyama , Yoshitoshi Kida , Koji Ishizaki , Kohei Azumi , Hiroshi Mizuhashi
IPC: G06F3/041 , G02F1/1362 , G02F1/1333 , G06F3/044 , G09G3/36 , G02F1/1343 , G02F1/1345
CPC classification number: G06F3/0416 , G02F1/13338 , G02F1/133512 , G02F1/134309 , G02F1/13439 , G02F1/136286 , G02F2001/134345 , G02F2001/134372 , G02F2001/13456 , G02F2201/121 , G02F2201/123 , G06F3/0412 , G06F3/044 , G06F2203/04103 , G06F2203/04107 , G06F2203/04111 , G09G3/3607 , G09G3/3677 , G09G3/3696 , G09G2300/0809
Abstract: A display device is configured that the common electrode wiring layer is divided in a source wiring layer direction, the metal wiring layer is disposed above the source wiring layer at a position in contact with the upper part of the common electrode wiring layer, and the metal wiring layer is not disposed at a position where the common electrode wiring layer is divided. Alternatively, the metal wiring layer is not disposed at a position between the same colors as those at the division position of the common electrode wiring layer.
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117.发明授权公开(公告)号：US09588631B2
公开(公告)日：2017-03-07
申请号：US14824829
申请日：2015-08-12
Applicant: Japan Display Inc.
Inventor： Koji Noguchi , Yoshitoshi Kida , Kohei Azumi
CPC classification number: G06F3/0412 , G06F3/0416 , G06F3/0418 , G06F3/044 , G06F3/047 , G09G3/36 , G09G3/3677 , G09G3/3685 , G09G5/003 , G09G5/18 , G09G2300/0426 , G09G2310/0202 , G09G2310/0297 , G09G2310/08
Abstract: A display apparatus includes: a display device; a touch detection device; and a driver unit driving the display device so as to sequentially display M horizontal lines in each of plural unit drive periods forming one frame period and driving the touch detection device in N touch detection periods provided in each unit drive period, in which N is lower than M.
Abstract translation: 一种显示装置，包括：显示装置; 触摸检测装置; 以及驱动单元，驱动显示装置，以便在形成一个帧周期的多个单位驱动周期中顺序地显示M个水平线，并且在N个较低的每个单位驱动周期中提供的N个触摸检测周期中驱动该触摸检测装置 比M.
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公开(公告)号：US20160349911A1
公开(公告)日：2016-12-01
申请号：US15234474
申请日：2016-08-11
Applicant: Japan Display Inc.
Inventor： Kohei Azumi , Yoshitoshi Kida , Koji Noguchi , Koji Ishizaki
IPC: G06F3/041 , G02F1/1333 , G06F3/044
CPC classification number: G06F3/0416 , G02F1/13338 , G02F1/133514 , G02F1/133528 , G02F1/134336 , G02F1/13439 , G02F1/1368 , G02F2001/133302 , G02F2201/123 , G06F3/0412 , G06F3/044 , G06F2203/04112
Abstract: A touch detector capable of achieving high position resolution while improving detection sensitivity to a touch is provided. The touch detector includes: a plurality of drive electrodes arranged side by side to extend in one direction; a detection electrode extending in a direction orthogonal to a direction where the drive electrodes extend, and arranged to form a capacitance at each of intersections with the drive electrodes; and a scanning drive section sequentially selecting a predetermined plural number of target electrodes from the plurality of drive electrodes in a time-divisional manner, and applying a touch detection drive signal with a plurality of pulse waveforms for detecting an external adjacent object to the selected target electrodes to perform a scanning drive. A scanning pitch in the scanning drive is smaller than the total width of the plural number of selected target electrodes.
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119.发明授权Display device with touch detection function and electronic apparatus including same 有权具有触摸检测功能的显示装置和包括其的电子装置公开(公告)号：US09442611B2
公开(公告)日：2016-09-13
申请号：US14100969
申请日：2013-12-09
Applicant: Japan Display Inc.
Inventor： Koji Noguchi , Kohei Azumi
CPC classification number: G06F3/044 , G06F3/0412 , G06F3/0418
Abstract: According to an aspect, a display device with a touch detection function includes: a pixel electrode; a touch detection electrode; a display drive unit for outputting the pixel signal to the pixel electrode in synchronization with a display drive signal; an operation drive unit for supplying the display drive signal in a display operation period to perform a display operation and supplying a touch detection drive signal in a touch detection period to perform a touch detection operation; a touch detection unit for detecting a detection signal outputted from the touch detection electrode; and a control unit for executing the display operation period and the touch detection period in a time divisional manner. The touch detection unit performs a noise detection operation for detecting a disturbance noise superimposed on the touch detection electrode in the display operation period.
Abstract translation: 根据一方面，具有触摸检测功能的显示装置包括：像素电极; 触摸检测电极; 显示驱动单元，用于与显示驱动信号同步地将像素信号输出到像素电极; 操作驱动单元，用于在显示操作时段中提供显示驱动信号以执行显示操作，并在触摸检测周期内提供触摸检测驱动信号以执行触摸检测操作; 触摸检测单元，用于检测从触摸检测电极输出的检测信号; 以及控制单元，用于以时分方式执行显示操作周期和触摸检测周期。 触摸检测单元在显示操作时段中执行用于检测叠加在触摸检测电极上的干扰噪声的噪声检测操作。
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公开(公告)号：US20150378507A1
公开(公告)日：2015-12-31
申请号：US14850392
申请日：2015-09-10
Applicant: Japan Display Inc.
Inventor： Hayato Kurasawa , Koji Ishizaki , Kohei Azumi
CPC classification number: G06F3/0416 , G06F3/0412 , G06F3/044 , G06F2203/04103 , G06T5/20 , G09G3/2074 , G09G3/3655 , G09G3/3696 , G09G2300/0426
Abstract: A display device includes: a display layer; plural first electrodes formed to be arranged above the display layer; a shield electrode formed apart from the plural first electrodes so as to surround the whole plural first electrodes along an arrangement surface; an insulating layer; and a semiconductive layer formed opposite to the first electrodes and the shield electrode so as to sandwich the insulating layer, wherein the difference between an average potential of the first electrodes and an average potential of the shield electrode is equal to or less than 0.5V.
Abstract translation: 显示装置包括：显示层; 形成为布置在显示层上方的多个第一电极; 屏蔽电极，与所述多个第一电极分开，沿着布置表面包围整个多个第一电极; 绝缘层; 以及与第一电极和屏蔽电极相对形成以夹住绝缘层的半导体层，其中第一电极的平均电位与屏蔽电极的平均电位之间的差等于或小于0.5V。
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